diff options
Diffstat (limited to 'builtin')
-rw-r--r-- | builtin/apply.c | 3 | ||||
-rw-r--r-- | builtin/blame.c | 27 | ||||
-rw-r--r-- | builtin/branch.c | 4 | ||||
-rw-r--r-- | builtin/cat-file.c | 8 | ||||
-rw-r--r-- | builtin/checkout.c | 35 | ||||
-rw-r--r-- | builtin/clone.c | 353 | ||||
-rw-r--r-- | builtin/commit.c | 94 | ||||
-rw-r--r-- | builtin/config.c | 96 | ||||
-rw-r--r-- | builtin/diff.c | 6 | ||||
-rw-r--r-- | builtin/fast-export.c | 4 | ||||
-rw-r--r-- | builtin/fetch-pack.c | 65 | ||||
-rw-r--r-- | builtin/fetch.c | 25 | ||||
-rw-r--r-- | builtin/fmt-merge-msg.c | 128 | ||||
-rw-r--r-- | builtin/fsck.c | 7 | ||||
-rw-r--r-- | builtin/grep.c | 189 | ||||
-rw-r--r-- | builtin/index-pack.c | 164 | ||||
-rw-r--r-- | builtin/log.c | 4 | ||||
-rw-r--r-- | builtin/mailinfo.c | 11 | ||||
-rw-r--r-- | builtin/merge.c | 196 | ||||
-rw-r--r-- | builtin/pack-objects.c | 330 | ||||
-rw-r--r-- | builtin/prune-packed.c | 4 | ||||
-rw-r--r-- | builtin/prune.c | 2 | ||||
-rw-r--r-- | builtin/push.c | 28 | ||||
-rw-r--r-- | builtin/receive-pack.c | 24 | ||||
-rw-r--r-- | builtin/remote.c | 4 | ||||
-rw-r--r-- | builtin/rev-list.c | 40 | ||||
-rw-r--r-- | builtin/revert.c | 959 | ||||
-rw-r--r-- | builtin/symbolic-ref.c | 11 | ||||
-rw-r--r-- | builtin/tag.c | 122 | ||||
-rw-r--r-- | builtin/verify-tag.c | 10 |
30 files changed, 1198 insertions, 1755 deletions
diff --git a/builtin/apply.c b/builtin/apply.c index c24dc546d0..389898f133 100644 --- a/builtin/apply.c +++ b/builtin/apply.c @@ -14,6 +14,7 @@ #include "builtin.h" #include "string-list.h" #include "dir.h" +#include "diff.h" #include "parse-options.h" /* @@ -3241,7 +3242,7 @@ static void stat_patch_list(struct patch *patch) show_stats(patch); } - printf(" %d files changed, %d insertions(+), %d deletions(-)\n", files, adds, dels); + print_stat_summary(stdout, files, adds, dels); } static void numstat_patch_list(struct patch *patch) diff --git a/builtin/blame.c b/builtin/blame.c index 5a67c202f0..324d476abf 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -1829,18 +1829,6 @@ static int read_ancestry(const char *graft_file) } /* - * How many columns do we need to show line numbers in decimal? - */ -static int lineno_width(int lines) -{ - int i, width; - - for (width = 1, i = 10; i <= lines; width++) - i *= 10; - return width; -} - -/* * How many columns do we need to show line numbers, authors, * and filenames? */ @@ -1880,9 +1868,9 @@ static void find_alignment(struct scoreboard *sb, int *option) if (largest_score < ent_score(sb, e)) largest_score = ent_score(sb, e); } - max_orig_digits = lineno_width(longest_src_lines); - max_digits = lineno_width(longest_dst_lines); - max_score_digits = lineno_width(largest_score); + max_orig_digits = decimal_width(longest_src_lines); + max_digits = decimal_width(longest_dst_lines); + max_score_digits = decimal_width(largest_score); } /* @@ -2050,14 +2038,8 @@ static int git_blame_config(const char *var, const char *value, void *cb) return 0; } - switch (userdiff_config(var, value)) { - case 0: - break; - case -1: + if (userdiff_config(var, value) < 0) return -1; - default: - return 0; - } return git_default_config(var, value, cb); } @@ -2320,6 +2302,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix) OPT_BIT('s', NULL, &output_option, "Suppress author name and timestamp (Default: off)", OUTPUT_NO_AUTHOR), OPT_BIT('e', "show-email", &output_option, "Show author email instead of name (Default: off)", OUTPUT_SHOW_EMAIL), OPT_BIT('w', NULL, &xdl_opts, "Ignore whitespace differences", XDF_IGNORE_WHITESPACE), + OPT_BIT(0, "minimal", &xdl_opts, "Spend extra cycles to find better match", XDF_NEED_MINIMAL), OPT_STRING('S', NULL, &revs_file, "file", "Use revisions from <file> instead of calling git-rev-list"), OPT_STRING(0, "contents", &contents_from, "file", "Use <file>'s contents as the final image"), { OPTION_CALLBACK, 'C', NULL, &opt, "score", "Find line copies within and across files", PARSE_OPT_OPTARG, blame_copy_callback }, diff --git a/builtin/branch.c b/builtin/branch.c index cb17bc3675..d8cccf725d 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -530,6 +530,10 @@ static int print_ref_list(int kinds, int detached, int verbose, int abbrev, stru if (merge_filter != NO_FILTER) { struct commit *filter; filter = lookup_commit_reference_gently(merge_filter_ref, 0); + if (!filter) + die("object '%s' does not point to a commit", + sha1_to_hex(merge_filter_ref)); + filter->object.flags |= UNINTERESTING; add_pending_object(&ref_list.revs, (struct object *) filter, ""); diff --git a/builtin/cat-file.c b/builtin/cat-file.c index 07bd984084..8ed501f220 100644 --- a/builtin/cat-file.c +++ b/builtin/cat-file.c @@ -226,14 +226,8 @@ static const char * const cat_file_usage[] = { static int git_cat_file_config(const char *var, const char *value, void *cb) { - switch (userdiff_config(var, value)) { - case 0: - break; - case -1: + if (userdiff_config(var, value) < 0) return -1; - default: - return 0; - } return git_default_config(var, value, cb); } diff --git a/builtin/checkout.c b/builtin/checkout.c index f1984d9933..6b9061f26f 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -514,20 +514,6 @@ static void report_tracking(struct branch_info *new) strbuf_release(&sb); } -static void detach_advice(const char *old_path, const char *new_name) -{ - const char fmt[] = - "Note: checking out '%s'.\n\n" - "You are in 'detached HEAD' state. You can look around, make experimental\n" - "changes and commit them, and you can discard any commits you make in this\n" - "state without impacting any branches by performing another checkout.\n\n" - "If you want to create a new branch to retain commits you create, you may\n" - "do so (now or later) by using -b with the checkout command again. Example:\n\n" - " git checkout -b new_branch_name\n\n"; - - fprintf(stderr, fmt, new_name); -} - static void update_refs_for_switch(struct checkout_opts *opts, struct branch_info *old, struct branch_info *new) @@ -575,7 +561,7 @@ static void update_refs_for_switch(struct checkout_opts *opts, REF_NODEREF, DIE_ON_ERR); if (!opts->quiet) { if (old->path && advice_detached_head) - detach_advice(old->path, new->name); + detach_advice(new->name); describe_detached_head(_("HEAD is now at"), new->commit); } } else if (new->path) { /* Switch branches. */ @@ -922,6 +908,17 @@ static int parse_branchname_arg(int argc, const char **argv, return argcount; } +static int switch_unborn_to_new_branch(struct checkout_opts *opts) +{ + int status; + struct strbuf branch_ref = STRBUF_INIT; + + strbuf_addf(&branch_ref, "refs/heads/%s", opts->new_branch); + status = create_symref("HEAD", branch_ref.buf, "checkout -b"); + strbuf_release(&branch_ref); + return status; +} + int cmd_checkout(int argc, const char **argv, const char *prefix) { struct checkout_opts opts; @@ -1093,5 +1090,13 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) if (opts.writeout_stage) die(_("--ours/--theirs is incompatible with switching branches.")); + if (!new.commit) { + unsigned char rev[20]; + int flag; + + if (!read_ref_full("HEAD", rev, 0, &flag) && + (flag & REF_ISSYMREF) && is_null_sha1(rev)) + return switch_unborn_to_new_branch(&opts); + } return switch_branches(&opts, &new); } diff --git a/builtin/clone.c b/builtin/clone.c index b9e882d302..bbd5c96237 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -37,7 +37,7 @@ static const char * const builtin_clone_usage[] = { NULL }; -static int option_no_checkout, option_bare, option_mirror; +static int option_no_checkout, option_bare, option_mirror, option_single_branch = -1; static int option_local, option_no_hardlinks, option_shared, option_recursive; static char *option_template, *option_depth; static char *option_origin = NULL; @@ -92,6 +92,8 @@ static struct option builtin_clone_options[] = { "path to git-upload-pack on the remote"), OPT_STRING(0, "depth", &option_depth, "depth", "create a shallow clone of that depth"), + OPT_BOOL(0, "single-branch", &option_single_branch, + "clone only one branch, HEAD or --branch"), OPT_STRING(0, "separate-git-dir", &real_git_dir, "gitdir", "separate git dir from working tree"), OPT_STRING_LIST('c', "config", &option_config, "key=value", @@ -105,7 +107,7 @@ static const char *argv_submodule[] = { static char *get_repo_path(const char *repo, int *is_bundle) { - static char *suffix[] = { "/.git", ".git", "" }; + static char *suffix[] = { "/.git", "", ".git/.git", ".git" }; static char *bundle_suffix[] = { ".bundle", "" }; struct stat st; int i; @@ -115,7 +117,7 @@ static char *get_repo_path(const char *repo, int *is_bundle) path = mkpath("%s%s", repo, suffix[i]); if (stat(path, &st)) continue; - if (S_ISDIR(st.st_mode)) { + if (S_ISDIR(st.st_mode) && is_git_directory(path)) { *is_bundle = 0; return xstrdup(absolute_path(path)); } else if (S_ISREG(st.st_mode) && st.st_size > 8) { @@ -230,9 +232,6 @@ static int add_one_reference(struct string_list_item *item, void *cb_data) { char *ref_git; struct strbuf alternate = STRBUF_INIT; - struct remote *remote; - struct transport *transport; - const struct ref *extra; /* Beware: real_path() and mkpath() return static buffer */ ref_git = xstrdup(real_path(item->string)); @@ -247,14 +246,6 @@ static int add_one_reference(struct string_list_item *item, void *cb_data) strbuf_addf(&alternate, "%s/objects", ref_git); add_to_alternates_file(alternate.buf); strbuf_release(&alternate); - - remote = remote_get(ref_git); - transport = transport_get(remote, ref_git); - for (extra = transport_get_remote_refs(transport); extra; - extra = extra->next) - add_extra_ref(extra->name, extra->old_sha1, 0); - - transport_disconnect(transport); free(ref_git); return 0; } @@ -361,13 +352,8 @@ static void copy_or_link_directory(struct strbuf *src, struct strbuf *dest, closedir(dir); } -static const struct ref *clone_local(const char *src_repo, - const char *dest_repo) +static void clone_local(const char *src_repo, const char *dest_repo) { - const struct ref *ret; - struct remote *remote; - struct transport *transport; - if (option_shared) { struct strbuf alt = STRBUF_INIT; strbuf_addf(&alt, "%s/objects", src_repo); @@ -383,13 +369,8 @@ static const struct ref *clone_local(const char *src_repo, strbuf_release(&dest); } - remote = remote_get(src_repo); - transport = transport_get(remote, src_repo); - ret = transport_get_remote_refs(transport); - transport_disconnect(transport); if (0 <= option_verbosity) printf(_("done.\n")); - return ret; } static const char *junk_work_tree; @@ -420,6 +401,26 @@ static void remove_junk_on_signal(int signo) raise(signo); } +static struct ref *find_remote_branch(const struct ref *refs, const char *branch) +{ + struct ref *ref; + struct strbuf head = STRBUF_INIT; + strbuf_addstr(&head, "refs/heads/"); + strbuf_addstr(&head, branch); + ref = find_ref_by_name(refs, head.buf); + strbuf_release(&head); + + if (ref) + return ref; + + strbuf_addstr(&head, "refs/tags/"); + strbuf_addstr(&head, branch); + ref = find_ref_by_name(refs, head.buf); + strbuf_release(&head); + + return ref; +} + static struct ref *wanted_peer_refs(const struct ref *refs, struct refspec *refspec) { @@ -427,8 +428,27 @@ static struct ref *wanted_peer_refs(const struct ref *refs, struct ref *local_refs = head; struct ref **tail = head ? &head->next : &local_refs; - get_fetch_map(refs, refspec, &tail, 0); - if (!option_mirror) + if (option_single_branch) { + struct ref *remote_head = NULL; + + if (!option_branch) + remote_head = guess_remote_head(head, refs, 0); + else + remote_head = find_remote_branch(refs, option_branch); + + if (!remote_head && option_branch) + warning(_("Could not find remote branch %s to clone."), + option_branch); + else { + get_fetch_map(remote_head, refspec, &tail, 0); + + /* if --branch=tag, pull the requested tag explicitly */ + get_fetch_map(remote_head, tag_refspec, &tail, 0); + } + } else + get_fetch_map(refs, refspec, &tail, 0); + + if (!option_mirror && !option_single_branch) get_fetch_map(refs, tag_refspec, &tail, 0); return local_refs; @@ -441,11 +461,134 @@ static void write_remote_refs(const struct ref *local_refs) for (r = local_refs; r; r = r->next) { if (!r->peer_ref) continue; - add_extra_ref(r->peer_ref->name, r->old_sha1, 0); + add_packed_ref(r->peer_ref->name, r->old_sha1); } pack_refs(PACK_REFS_ALL); - clear_extra_refs(); +} + +static void write_followtags(const struct ref *refs, const char *msg) +{ + const struct ref *ref; + for (ref = refs; ref; ref = ref->next) { + if (prefixcmp(ref->name, "refs/tags/")) + continue; + if (!suffixcmp(ref->name, "^{}")) + continue; + if (!has_sha1_file(ref->old_sha1)) + continue; + update_ref(msg, ref->name, ref->old_sha1, + NULL, 0, DIE_ON_ERR); + } +} + +static void update_remote_refs(const struct ref *refs, + const struct ref *mapped_refs, + const struct ref *remote_head_points_at, + const char *branch_top, + const char *msg) +{ + if (refs) { + write_remote_refs(mapped_refs); + if (option_single_branch) + write_followtags(refs, msg); + } + + if (remote_head_points_at && !option_bare) { + struct strbuf head_ref = STRBUF_INIT; + strbuf_addstr(&head_ref, branch_top); + strbuf_addstr(&head_ref, "HEAD"); + create_symref(head_ref.buf, + remote_head_points_at->peer_ref->name, + msg); + } +} + +static void update_head(const struct ref *our, const struct ref *remote, + const char *msg) +{ + if (our && !prefixcmp(our->name, "refs/heads/")) { + /* Local default branch link */ + create_symref("HEAD", our->name, NULL); + if (!option_bare) { + const char *head = skip_prefix(our->name, "refs/heads/"); + update_ref(msg, "HEAD", our->old_sha1, NULL, 0, DIE_ON_ERR); + install_branch_config(0, head, option_origin, our->name); + } + } else if (our) { + struct commit *c = lookup_commit_reference(our->old_sha1); + /* --branch specifies a non-branch (i.e. tags), detach HEAD */ + update_ref(msg, "HEAD", c->object.sha1, + NULL, REF_NODEREF, DIE_ON_ERR); + } else if (remote) { + /* + * We know remote HEAD points to a non-branch, or + * HEAD points to a branch but we don't know which one. + * Detach HEAD in all these cases. + */ + update_ref(msg, "HEAD", remote->old_sha1, + NULL, REF_NODEREF, DIE_ON_ERR); + } +} + +static int checkout(void) +{ + unsigned char sha1[20]; + char *head; + struct lock_file *lock_file; + struct unpack_trees_options opts; + struct tree *tree; + struct tree_desc t; + int err = 0, fd; + + if (option_no_checkout) + return 0; + + head = resolve_refdup("HEAD", sha1, 1, NULL); + if (!head) { + warning(_("remote HEAD refers to nonexistent ref, " + "unable to checkout.\n")); + return 0; + } + if (!strcmp(head, "HEAD")) { + if (advice_detached_head) + detach_advice(sha1_to_hex(sha1)); + } else { + if (prefixcmp(head, "refs/heads/")) + die(_("HEAD not found below refs/heads!")); + } + free(head); + + /* We need to be in the new work tree for the checkout */ + setup_work_tree(); + + lock_file = xcalloc(1, sizeof(struct lock_file)); + fd = hold_locked_index(lock_file, 1); + + memset(&opts, 0, sizeof opts); + opts.update = 1; + opts.merge = 1; + opts.fn = oneway_merge; + opts.verbose_update = (option_verbosity > 0); + opts.src_index = &the_index; + opts.dst_index = &the_index; + + tree = parse_tree_indirect(sha1); + parse_tree(tree); + init_tree_desc(&t, tree->buffer, tree->size); + unpack_trees(1, &t, &opts); + + if (write_cache(fd, active_cache, active_nr) || + commit_locked_index(lock_file)) + die(_("unable to write new index file")); + + err |= run_hook(NULL, "post-checkout", sha1_to_hex(null_sha1), + sha1_to_hex(sha1), "1", NULL); + + if (!err && option_recursive) + err = run_command_v_opt(argv_submodule, RUN_GIT_CMD); + + return err; } static int write_one_config(const char *key, const char *value, void *data) @@ -475,11 +618,13 @@ int cmd_clone(int argc, const char **argv, const char *prefix) const struct ref *remote_head_points_at; const struct ref *our_head_points_at; struct ref *mapped_refs; + const struct ref *ref; struct strbuf key = STRBUF_INIT, value = STRBUF_INIT; struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT; struct transport *transport = NULL; - char *src_ref_prefix = "refs/heads/"; - int err = 0; + const char *src_ref_prefix = "refs/heads/"; + struct remote *remote; + int err = 0, complete_refs_before_fetch = 1; struct refspec *refspec; const char *fetch_pattern; @@ -498,6 +643,9 @@ int cmd_clone(int argc, const char **argv, const char *prefix) usage_msg_opt(_("You must specify a repository to clone."), builtin_clone_usage, builtin_clone_options); + if (option_single_branch == -1) + option_single_branch = option_depth ? 1 : 0; + if (option_mirror) option_bare = 1; @@ -630,13 +778,10 @@ int cmd_clone(int argc, const char **argv, const char *prefix) strbuf_reset(&value); - if (is_local) { - refs = clone_local(path, git_dir); - mapped_refs = wanted_peer_refs(refs, refspec); - } else { - struct remote *remote = remote_get(option_origin); - transport = transport_get(remote, remote->url[0]); + remote = remote_get(option_origin); + transport = transport_get(remote, remote->url[0]); + if (!is_local) { if (!transport->get_refs_list || !transport->fetch) die(_("Don't know how to clone %s"), transport->url); @@ -645,49 +790,57 @@ int cmd_clone(int argc, const char **argv, const char *prefix) if (option_depth) transport_set_option(transport, TRANS_OPT_DEPTH, option_depth); + if (option_single_branch) + transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1"); transport_set_verbosity(transport, option_verbosity, option_progress); if (option_upload_pack) transport_set_option(transport, TRANS_OPT_UPLOADPACK, option_upload_pack); - - refs = transport_get_remote_refs(transport); - if (refs) { - mapped_refs = wanted_peer_refs(refs, refspec); - transport_fetch_refs(transport, mapped_refs); - } } + refs = transport_get_remote_refs(transport); + if (refs) { - clear_extra_refs(); + mapped_refs = wanted_peer_refs(refs, refspec); + /* + * transport_get_remote_refs() may return refs with null sha-1 + * in mapped_refs (see struct transport->get_refs_list + * comment). In that case we need fetch it early because + * remote_head code below relies on it. + * + * for normal clones, transport_get_remote_refs() should + * return reliable ref set, we can delay cloning until after + * remote HEAD check. + */ + for (ref = refs; ref; ref = ref->next) + if (is_null_sha1(ref->old_sha1)) { + complete_refs_before_fetch = 0; + break; + } - write_remote_refs(mapped_refs); + if (!is_local && !complete_refs_before_fetch) + transport_fetch_refs(transport, mapped_refs); remote_head = find_ref_by_name(refs, "HEAD"); remote_head_points_at = guess_remote_head(remote_head, mapped_refs, 0); if (option_branch) { - struct strbuf head = STRBUF_INIT; - strbuf_addstr(&head, src_ref_prefix); - strbuf_addstr(&head, option_branch); our_head_points_at = - find_ref_by_name(mapped_refs, head.buf); - strbuf_release(&head); - - if (!our_head_points_at) { - warning(_("Remote branch %s not found in " - "upstream %s, using HEAD instead"), - option_branch, option_origin); - our_head_points_at = remote_head_points_at; - } + find_remote_branch(mapped_refs, option_branch); + + if (!our_head_points_at) + die(_("Remote branch %s not found in upstream %s"), + option_branch, option_origin); } else our_head_points_at = remote_head_points_at; } else { warning(_("You appear to have cloned an empty repository.")); + mapped_refs = NULL; our_head_points_at = NULL; remote_head_points_at = NULL; remote_head = NULL; @@ -697,84 +850,20 @@ int cmd_clone(int argc, const char **argv, const char *prefix) "refs/heads/master"); } - if (remote_head_points_at && !option_bare) { - struct strbuf head_ref = STRBUF_INIT; - strbuf_addstr(&head_ref, branch_top.buf); - strbuf_addstr(&head_ref, "HEAD"); - create_symref(head_ref.buf, - remote_head_points_at->peer_ref->name, - reflog_msg.buf); - } + if (is_local) + clone_local(path, git_dir); + else if (refs && complete_refs_before_fetch) + transport_fetch_refs(transport, mapped_refs); - if (our_head_points_at) { - /* Local default branch link */ - create_symref("HEAD", our_head_points_at->name, NULL); - if (!option_bare) { - const char *head = skip_prefix(our_head_points_at->name, - "refs/heads/"); - update_ref(reflog_msg.buf, "HEAD", - our_head_points_at->old_sha1, - NULL, 0, DIE_ON_ERR); - install_branch_config(0, head, option_origin, - our_head_points_at->name); - } - } else if (remote_head) { - /* Source had detached HEAD pointing somewhere. */ - if (!option_bare) { - update_ref(reflog_msg.buf, "HEAD", - remote_head->old_sha1, - NULL, REF_NODEREF, DIE_ON_ERR); - our_head_points_at = remote_head; - } - } else { - /* Nothing to checkout out */ - if (!option_no_checkout) - warning(_("remote HEAD refers to nonexistent ref, " - "unable to checkout.\n")); - option_no_checkout = 1; - } + update_remote_refs(refs, mapped_refs, remote_head_points_at, + branch_top.buf, reflog_msg.buf); - if (transport) { - transport_unlock_pack(transport); - transport_disconnect(transport); - } + update_head(our_head_points_at, remote_head, reflog_msg.buf); - if (!option_no_checkout) { - struct lock_file *lock_file = xcalloc(1, sizeof(struct lock_file)); - struct unpack_trees_options opts; - struct tree *tree; - struct tree_desc t; - int fd; - - /* We need to be in the new work tree for the checkout */ - setup_work_tree(); - - fd = hold_locked_index(lock_file, 1); - - memset(&opts, 0, sizeof opts); - opts.update = 1; - opts.merge = 1; - opts.fn = oneway_merge; - opts.verbose_update = (option_verbosity > 0); - opts.src_index = &the_index; - opts.dst_index = &the_index; - - tree = parse_tree_indirect(our_head_points_at->old_sha1); - parse_tree(tree); - init_tree_desc(&t, tree->buffer, tree->size); - unpack_trees(1, &t, &opts); - - if (write_cache(fd, active_cache, active_nr) || - commit_locked_index(lock_file)) - die(_("unable to write new index file")); - - err |= run_hook(NULL, "post-checkout", sha1_to_hex(null_sha1), - sha1_to_hex(our_head_points_at->old_sha1), "1", - NULL); - - if (!err && option_recursive) - err = run_command_v_opt(argv_submodule, RUN_GIT_CMD); - } + transport_unlock_pack(transport); + transport_disconnect(transport); + + err = checkout(); strbuf_release(&reflog_msg); strbuf_release(&branch_top); diff --git a/builtin/commit.c b/builtin/commit.c index 2deccb5444..b257ae8774 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -196,16 +196,16 @@ static void determine_whence(struct wt_status *s) static const char *whence_s(void) { - char *s = ""; + const char *s = ""; switch (whence) { case FROM_COMMIT: break; case FROM_MERGE: - s = "merge"; + s = _("merge"); break; case FROM_CHERRY_PICK: - s = "cherry-pick"; + s = _("cherry-pick"); break; } @@ -400,7 +400,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, fd = hold_locked_index(&index_lock, 1); add_files_to_cache(also ? prefix : NULL, pathspec, 0); refresh_cache_or_die(refresh_flags); - update_main_cache_tree(1); + update_main_cache_tree(WRITE_TREE_SILENT); if (write_cache(fd, active_cache, active_nr) || close_lock_file(&index_lock)) die(_("unable to write new_index file")); @@ -421,7 +421,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix, fd = hold_locked_index(&index_lock, 1); refresh_cache_or_die(refresh_flags); if (active_cache_changed) { - update_main_cache_tree(1); + update_main_cache_tree(WRITE_TREE_SILENT); if (write_cache(fd, active_cache, active_nr) || commit_locked_index(&index_lock)) die(_("unable to write new_index file")); @@ -533,9 +533,20 @@ static int is_a_merge(const struct commit *current_head) static const char sign_off_header[] = "Signed-off-by: "; +static void export_one(const char *var, const char *s, const char *e, int hack) +{ + struct strbuf buf = STRBUF_INIT; + if (hack) + strbuf_addch(&buf, hack); + strbuf_addf(&buf, "%.*s", (int)(e - s), s); + setenv(var, buf.buf, 1); + strbuf_release(&buf); +} + static void determine_author_info(struct strbuf *author_ident) { char *name, *email, *date; + struct ident_split author; name = getenv("GIT_AUTHOR_NAME"); email = getenv("GIT_AUTHOR_EMAIL"); @@ -585,6 +596,11 @@ static void determine_author_info(struct strbuf *author_ident) date = force_date; strbuf_addstr(author_ident, fmt_ident(name, email, date, IDENT_ERROR_ON_NO_NAME)); + if (!split_ident_line(&author, author_ident->buf, author_ident->len)) { + export_one("GIT_AUTHOR_NAME", author.name_begin, author.name_end, 0); + export_one("GIT_AUTHOR_EMAIL", author.mail_begin, author.mail_end, 0); + export_one("GIT_AUTHOR_DATE", author.date_begin, author.tz_end, '@'); + } } static int ends_rfc2822_footer(struct strbuf *sb) @@ -652,6 +668,9 @@ static int prepare_to_commit(const char *index_file, const char *prefix, int ident_shown = 0; int clean_message_contents = (cleanup_mode != CLEANUP_NONE); + /* This checks and barfs if author is badly specified */ + determine_author_info(author_ident); + if (!no_verify && run_hook(index_file, "pre-commit", NULL)) return 0; @@ -771,9 +790,6 @@ static int prepare_to_commit(const char *index_file, const char *prefix, strbuf_release(&sb); - /* This checks and barfs if author is badly specified */ - determine_author_info(author_ident); - /* This checks if committer ident is explicitly given */ strbuf_addstr(&committer_ident, git_committer_info(0)); if (use_editor && include_status) { @@ -905,27 +921,10 @@ static int prepare_to_commit(const char *index_file, const char *prefix, return 1; } -/* - * Find out if the message in the strbuf contains only whitespace and - * Signed-off-by lines. - */ -static int message_is_empty(struct strbuf *sb) +static int rest_is_empty(struct strbuf *sb, int start) { - struct strbuf tmpl = STRBUF_INIT; + int i, eol; const char *nl; - int eol, i, start = 0; - - if (cleanup_mode == CLEANUP_NONE && sb->len) - return 0; - - /* See if the template is just a prefix of the message. */ - if (template_file && strbuf_read_file(&tmpl, template_file, 0) > 0) { - stripspace(&tmpl, cleanup_mode == CLEANUP_ALL); - if (start + tmpl.len <= sb->len && - memcmp(tmpl.buf, sb->buf + start, tmpl.len) == 0) - start += tmpl.len; - } - strbuf_release(&tmpl); /* Check if the rest is just whitespace and Signed-of-by's. */ for (i = start; i < sb->len; i++) { @@ -948,6 +947,40 @@ static int message_is_empty(struct strbuf *sb) return 1; } +/* + * Find out if the message in the strbuf contains only whitespace and + * Signed-off-by lines. + */ +static int message_is_empty(struct strbuf *sb) +{ + if (cleanup_mode == CLEANUP_NONE && sb->len) + return 0; + return rest_is_empty(sb, 0); +} + +/* + * See if the user edited the message in the editor or left what + * was in the template intact + */ +static int template_untouched(struct strbuf *sb) +{ + struct strbuf tmpl = STRBUF_INIT; + char *start; + + if (cleanup_mode == CLEANUP_NONE && sb->len) + return 0; + + if (!template_file || strbuf_read_file(&tmpl, template_file, 0) <= 0) + return 0; + + stripspace(&tmpl, cleanup_mode == CLEANUP_ALL); + start = (char *)skip_prefix(sb->buf, tmpl.buf); + if (!start) + start = sb->buf; + strbuf_release(&tmpl); + return rest_is_empty(sb, start - sb->buf); +} + static const char *find_author_by_nickname(const char *name) { struct rev_info revs; @@ -1055,6 +1088,8 @@ static int parse_and_validate_options(int argc, const char *argv[], die(_("Only one of -c/-C/-F/--fixup can be used.")); if (message.len && f > 0) die((_("Option -m cannot be combined with -c/-C/-F/--fixup."))); + if (f || message.len) + template_file = NULL; if (edit_message) use_message = edit_message; if (amend && !use_message && !fixup_message) @@ -1494,6 +1529,11 @@ int cmd_commit(int argc, const char **argv, const char *prefix) if (cleanup_mode != CLEANUP_NONE) stripspace(&sb, cleanup_mode == CLEANUP_ALL); + if (template_untouched(&sb) && !allow_empty_message) { + rollback_index_files(); + fprintf(stderr, _("Aborting commit; you did not edit the message.\n")); + exit(1); + } if (message_is_empty(&sb) && !allow_empty_message) { rollback_index_files(); fprintf(stderr, _("Aborting commit due to empty commit message.\n")); diff --git a/builtin/config.c b/builtin/config.c index d35c06ae51..33c8820af6 100644 --- a/builtin/config.c +++ b/builtin/config.c @@ -25,6 +25,7 @@ static const char *given_config_file; static int actions, types; static const char *get_color_slot, *get_colorbool_slot; static int end_null; +static int respect_includes = -1; #define ACTION_GET (1<<0) #define ACTION_GET_ALL (1<<1) @@ -74,6 +75,7 @@ static struct option builtin_config_options[] = { OPT_BIT(0, "path", &types, "value is a path (file or directory name)", TYPE_PATH), OPT_GROUP("Other"), OPT_BOOLEAN('z', "null", &end_null, "terminate values with NUL byte"), + OPT_BOOL(0, "includes", &respect_includes, "respect include directives on lookup"), OPT_END(), }; @@ -161,8 +163,11 @@ static int get_value(const char *key_, const char *regex_) int ret = -1; char *global = NULL, *repo_config = NULL; const char *system_wide = NULL, *local; + struct config_include_data inc = CONFIG_INCLUDE_INIT; + config_fn_t fn; + void *data; - local = config_exclusive_filename; + local = given_config_file; if (!local) { const char *home = getenv("HOME"); local = repo_config = git_pathdup("config"); @@ -213,19 +218,28 @@ static int get_value(const char *key_, const char *regex_) } } + fn = show_config; + data = NULL; + if (respect_includes) { + inc.fn = fn; + inc.data = data; + fn = git_config_include; + data = &inc; + } + if (do_all && system_wide) - git_config_from_file(show_config, system_wide, NULL); + git_config_from_file(fn, system_wide, data); if (do_all && global) - git_config_from_file(show_config, global, NULL); + git_config_from_file(fn, global, data); if (do_all) - git_config_from_file(show_config, local, NULL); - git_config_from_parameters(show_config, NULL); + git_config_from_file(fn, local, data); + git_config_from_parameters(fn, data); if (!do_all && !seen) - git_config_from_file(show_config, local, NULL); + git_config_from_file(fn, local, data); if (!do_all && !seen && global) - git_config_from_file(show_config, global, NULL); + git_config_from_file(fn, global, data); if (!do_all && !seen && system_wide) - git_config_from_file(show_config, system_wide, NULL); + git_config_from_file(fn, system_wide, data); free(key); if (regexp) { @@ -301,7 +315,8 @@ static void get_color(const char *def_color) { get_color_found = 0; parsed_color[0] = '\0'; - git_config(git_get_color_config, NULL); + git_config_with_options(git_get_color_config, NULL, + given_config_file, respect_includes); if (!get_color_found && def_color) color_parse(def_color, "command line", parsed_color); @@ -328,7 +343,8 @@ static int get_colorbool(int print) { get_colorbool_found = -1; get_diff_color_found = -1; - git_config(git_get_colorbool_config, NULL); + git_config_with_options(git_get_colorbool_config, NULL, + given_config_file, respect_includes); if (get_colorbool_found < 0) { if (!strcmp(get_colorbool_slot, "color.diff")) @@ -351,7 +367,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) int nongit = !startup_info->have_repository; char *value; - config_exclusive_filename = getenv(CONFIG_ENVIRONMENT); + given_config_file = getenv(CONFIG_ENVIRONMENT); argc = parse_options(argc, argv, prefix, builtin_config_options, builtin_config_usage, @@ -366,24 +382,26 @@ int cmd_config(int argc, const char **argv, const char *prefix) char *home = getenv("HOME"); if (home) { char *user_config = xstrdup(mkpath("%s/.gitconfig", home)); - config_exclusive_filename = user_config; + given_config_file = user_config; } else { die("$HOME not set"); } } else if (use_system_config) - config_exclusive_filename = git_etc_gitconfig(); + given_config_file = git_etc_gitconfig(); else if (use_local_config) - config_exclusive_filename = git_pathdup("config"); + given_config_file = git_pathdup("config"); else if (given_config_file) { if (!is_absolute_path(given_config_file) && prefix) - config_exclusive_filename = prefix_filename(prefix, - strlen(prefix), - given_config_file); - else - config_exclusive_filename = given_config_file; + given_config_file = + xstrdup(prefix_filename(prefix, + strlen(prefix), + given_config_file)); } + if (respect_includes == -1) + respect_includes = !given_config_file; + if (end_null) { term = '\0'; delim = '\n'; @@ -420,28 +438,30 @@ int cmd_config(int argc, const char **argv, const char *prefix) if (actions == ACTION_LIST) { check_argc(argc, 0, 0); - if (git_config(show_all_config, NULL) < 0) { - if (config_exclusive_filename) + if (git_config_with_options(show_all_config, NULL, + given_config_file, + respect_includes) < 0) { + if (given_config_file) die_errno("unable to read config file '%s'", - config_exclusive_filename); + given_config_file); else die("error processing config file(s)"); } } else if (actions == ACTION_EDIT) { check_argc(argc, 0, 0); - if (!config_exclusive_filename && nongit) + if (!given_config_file && nongit) die("not in a git directory"); git_config(git_default_config, NULL); - launch_editor(config_exclusive_filename ? - config_exclusive_filename : git_path("config"), + launch_editor(given_config_file ? + given_config_file : git_path("config"), NULL, NULL); } else if (actions == ACTION_SET) { int ret; check_argc(argc, 2, 2); value = normalize_value(argv[0], argv[1]); - ret = git_config_set(argv[0], value); + ret = git_config_set_in_file(given_config_file, argv[0], value); if (ret == CONFIG_NOTHING_SET) error("cannot overwrite multiple values with a single value\n" " Use a regexp, --add or --replace-all to change %s.", argv[0]); @@ -450,17 +470,20 @@ int cmd_config(int argc, const char **argv, const char *prefix) else if (actions == ACTION_SET_ALL) { check_argc(argc, 2, 3); value = normalize_value(argv[0], argv[1]); - return git_config_set_multivar(argv[0], value, argv[2], 0); + return git_config_set_multivar_in_file(given_config_file, + argv[0], value, argv[2], 0); } else if (actions == ACTION_ADD) { check_argc(argc, 2, 2); value = normalize_value(argv[0], argv[1]); - return git_config_set_multivar(argv[0], value, "^$", 0); + return git_config_set_multivar_in_file(given_config_file, + argv[0], value, "^$", 0); } else if (actions == ACTION_REPLACE_ALL) { check_argc(argc, 2, 3); value = normalize_value(argv[0], argv[1]); - return git_config_set_multivar(argv[0], value, argv[2], 1); + return git_config_set_multivar_in_file(given_config_file, + argv[0], value, argv[2], 1); } else if (actions == ACTION_GET) { check_argc(argc, 1, 2); @@ -481,18 +504,22 @@ int cmd_config(int argc, const char **argv, const char *prefix) else if (actions == ACTION_UNSET) { check_argc(argc, 1, 2); if (argc == 2) - return git_config_set_multivar(argv[0], NULL, argv[1], 0); + return git_config_set_multivar_in_file(given_config_file, + argv[0], NULL, argv[1], 0); else - return git_config_set(argv[0], NULL); + return git_config_set_in_file(given_config_file, + argv[0], NULL); } else if (actions == ACTION_UNSET_ALL) { check_argc(argc, 1, 2); - return git_config_set_multivar(argv[0], NULL, argv[1], 1); + return git_config_set_multivar_in_file(given_config_file, + argv[0], NULL, argv[1], 1); } else if (actions == ACTION_RENAME_SECTION) { int ret; check_argc(argc, 2, 2); - ret = git_config_rename_section(argv[0], argv[1]); + ret = git_config_rename_section_in_file(given_config_file, + argv[0], argv[1]); if (ret < 0) return ret; if (ret == 0) @@ -501,7 +528,8 @@ int cmd_config(int argc, const char **argv, const char *prefix) else if (actions == ACTION_REMOVE_SECTION) { int ret; check_argc(argc, 1, 1); - ret = git_config_rename_section(argv[0], NULL); + ret = git_config_rename_section_in_file(given_config_file, + argv[0], NULL); if (ret < 0) return ret; if (ret == 0) diff --git a/builtin/diff.c b/builtin/diff.c index 387afa7568..9069dc41be 100644 --- a/builtin/diff.c +++ b/builtin/diff.c @@ -285,6 +285,10 @@ int cmd_diff(int argc, const char **argv, const char *prefix) /* Otherwise, we are doing the usual "git" diff */ rev.diffopt.skip_stat_unmatch = !!diff_auto_refresh_index; + /* Scale to real terminal size and respect statGraphWidth config */ + rev.diffopt.stat_width = -1; + rev.diffopt.stat_graph_width = -1; + /* Default to let external and textconv be used */ DIFF_OPT_SET(&rev.diffopt, ALLOW_EXTERNAL); DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV); @@ -323,7 +327,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix) add_head_to_pending(&rev); if (!rev.pending.nr) { struct tree *tree; - tree = lookup_tree((const unsigned char*)EMPTY_TREE_SHA1_BIN); + tree = lookup_tree(EMPTY_TREE_SHA1_BIN); add_pending_object(&rev, &tree->object, "HEAD"); } break; diff --git a/builtin/fast-export.c b/builtin/fast-export.c index 08fed989a4..19509ea754 100644 --- a/builtin/fast-export.c +++ b/builtin/fast-export.c @@ -647,9 +647,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix) "Output full tree for each commit"), OPT_BOOLEAN(0, "use-done-feature", &use_done_feature, "Use the done feature to terminate the stream"), - { OPTION_NEGBIT, 0, "data", &no_data, NULL, - "Skip output of blob data", - PARSE_OPT_NOARG | PARSE_OPT_NEGHELP, NULL, 1 }, + OPT_BOOL(0, "no-data", &no_data, "Skip output of blob data"), OPT_END() }; diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c index a4d3e90a86..10db15b184 100644 --- a/builtin/fetch-pack.c +++ b/builtin/fetch-pack.c @@ -23,7 +23,9 @@ static struct fetch_pack_args args = { }; static const char fetch_pack_usage[] = -"git fetch-pack [--all] [--quiet|-q] [--keep|-k] [--thin] [--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] [--no-progress] [-v] [<host>:]<directory> [<refs>...]"; +"git fetch-pack [--all] [--stdin] [--quiet|-q] [--keep|-k] [--thin] " +"[--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] " +"[--no-progress] [-v] [<host>:]<directory> [<refs>...]"; #define COMPLETE (1U << 0) #define COMMON (1U << 1) @@ -58,9 +60,9 @@ static void rev_list_push(struct commit *commit, int mark) } } -static int rev_list_insert_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data) +static int rev_list_insert_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { - struct object *o = deref_tag(parse_object(sha1), path, 0); + struct object *o = deref_tag(parse_object(sha1), refname, 0); if (o && o->type == OBJ_COMMIT) rev_list_push((struct commit *)o, SEEN); @@ -68,9 +70,9 @@ static int rev_list_insert_ref(const char *path, const unsigned char *sha1, int return 0; } -static int clear_marks(const char *path, const unsigned char *sha1, int flag, void *cb_data) +static int clear_marks(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { - struct object *o = deref_tag(parse_object(sha1), path, 0); + struct object *o = deref_tag(parse_object(sha1), refname, 0); if (o && o->type == OBJ_COMMIT) clear_commit_marks((struct commit *)o, @@ -256,11 +258,6 @@ static void insert_one_alternate_ref(const struct ref *ref, void *unused) rev_list_insert_ref(NULL, ref->old_sha1, 0, NULL); } -static void insert_alternate_refs(void) -{ - for_each_alternate_ref(insert_one_alternate_ref, NULL); -} - #define INITIAL_FLUSH 16 #define PIPESAFE_FLUSH 32 #define LARGE_FLUSH 1024 @@ -295,7 +292,7 @@ static int find_common(int fd[2], unsigned char *result_sha1, marked = 1; for_each_ref(rev_list_insert_ref, NULL); - insert_alternate_refs(); + for_each_alternate_ref(insert_one_alternate_ref, NULL); fetching = 0; for ( ; refs ; refs = refs->next) { @@ -493,7 +490,7 @@ done: static struct commit_list *complete; -static int mark_complete(const char *path, const unsigned char *sha1, int flag, void *cb_data) +static int mark_complete(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { struct object *o = parse_object(sha1); @@ -586,6 +583,11 @@ static void filter_refs(struct ref **refs, int nr_match, char **match) *refs = newlist; } +static void mark_alternate_complete(const struct ref *ref, void *unused) +{ + mark_complete(NULL, ref->old_sha1, 0, NULL); +} + static int everything_local(struct ref **refs, int nr_match, char **match) { struct ref *ref; @@ -614,6 +616,7 @@ static int everything_local(struct ref **refs, int nr_match, char **match) if (!args.depth) { for_each_ref(mark_complete, NULL); + for_each_alternate_ref(mark_alternate_complete, NULL); if (cutoff) mark_recent_complete_commits(cutoff); } @@ -941,6 +944,10 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) args.fetch_all = 1; continue; } + if (!strcmp("--stdin", arg)) { + args.stdin_refs = 1; + continue; + } if (!strcmp("-v", arg)) { args.verbose = 1; continue; @@ -972,6 +979,40 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix) if (!dest) usage(fetch_pack_usage); + if (args.stdin_refs) { + /* + * Copy refs from cmdline to new growable list, then + * append the refs from the standard input. + */ + int alloc_heads = nr_heads; + int size = nr_heads * sizeof(*heads); + heads = memcpy(xmalloc(size), heads, size); + if (args.stateless_rpc) { + /* in stateless RPC mode we use pkt-line to read + * from stdin, until we get a flush packet + */ + static char line[1000]; + for (;;) { + int n = packet_read_line(0, line, sizeof(line)); + if (!n) + break; + if (line[n-1] == '\n') + n--; + ALLOC_GROW(heads, nr_heads + 1, alloc_heads); + heads[nr_heads++] = xmemdupz(line, n); + } + } + else { + /* read from stdin one ref per line, until EOF */ + struct strbuf line = STRBUF_INIT; + while (strbuf_getline(&line, stdin, '\n') != EOF) { + ALLOC_GROW(heads, nr_heads + 1, alloc_heads); + heads[nr_heads++] = strbuf_detach(&line, NULL); + } + strbuf_release(&line); + } + } + if (args.stateless_rpc) { conn = NULL; fd[0] = 0; diff --git a/builtin/fetch.c b/builtin/fetch.c index 8ec4eae3eb..1c8cb62445 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -240,6 +240,7 @@ static int s_update_ref(const char *action, static int update_local_ref(struct ref *ref, const char *remote, + const struct ref *remote_ref, struct strbuf *display) { struct commit *current = NULL, *updated; @@ -293,18 +294,26 @@ static int update_local_ref(struct ref *ref, const char *msg; const char *what; int r; - if (!strncmp(ref->name, "refs/tags/", 10)) { + /* + * Nicely describe the new ref we're fetching. + * Base this on the remote's ref name, as it's + * more likely to follow a standard layout. + */ + const char *name = remote_ref ? remote_ref->name : ""; + if (!prefixcmp(name, "refs/tags/")) { msg = "storing tag"; what = _("[new tag]"); - } - else { + } else if (!prefixcmp(name, "refs/heads/")) { msg = "storing head"; what = _("[new branch]"); - if ((recurse_submodules != RECURSE_SUBMODULES_OFF) && - (recurse_submodules != RECURSE_SUBMODULES_ON)) - check_for_new_submodule_commits(ref->new_sha1); + } else { + msg = "storing ref"; + what = _("[new ref]"); } + if ((recurse_submodules != RECURSE_SUBMODULES_OFF) && + (recurse_submodules != RECURSE_SUBMODULES_ON)) + check_for_new_submodule_commits(ref->new_sha1); r = s_update_ref(msg, ref, 0); strbuf_addf(display, "%c %-*s %-*s -> %s%s", r ? '!' : '*', @@ -466,7 +475,7 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, strbuf_reset(¬e); if (ref) { - rc |= update_local_ref(ref, what, ¬e); + rc |= update_local_ref(ref, what, rm, ¬e); free(ref); } else strbuf_addf(¬e, "* %-*s %-*s -> FETCH_HEAD", @@ -585,7 +594,7 @@ static void find_non_local_tags(struct transport *transport, for_each_ref(add_existing, &existing_refs); for (ref = transport_get_remote_refs(transport); ref; ref = ref->next) { - if (prefixcmp(ref->name, "refs/tags")) + if (prefixcmp(ref->name, "refs/tags/")) continue; /* diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c index c81a7fef26..fc083e3c5c 100644 --- a/builtin/fmt-merge-msg.c +++ b/builtin/fmt-merge-msg.c @@ -53,7 +53,48 @@ static void init_src_data(struct src_data *data) static struct string_list srcs = STRING_LIST_INIT_DUP; static struct string_list origins = STRING_LIST_INIT_DUP; -static int handle_line(char *line) +struct merge_parents { + int alloc, nr; + struct merge_parent { + unsigned char given[20]; + unsigned char commit[20]; + unsigned char used; + } *item; +}; + +/* + * I know, I know, this is inefficient, but you won't be pulling and merging + * hundreds of heads at a time anyway. + */ +static struct merge_parent *find_merge_parent(struct merge_parents *table, + unsigned char *given, + unsigned char *commit) +{ + int i; + for (i = 0; i < table->nr; i++) { + if (given && hashcmp(table->item[i].given, given)) + continue; + if (commit && hashcmp(table->item[i].commit, commit)) + continue; + return &table->item[i]; + } + return NULL; +} + +static void add_merge_parent(struct merge_parents *table, + unsigned char *given, + unsigned char *commit) +{ + if (table->nr && find_merge_parent(table, given, commit)) + return; + ALLOC_GROW(table->item, table->nr + 1, table->alloc); + hashcpy(table->item[table->nr].given, given); + hashcpy(table->item[table->nr].commit, commit); + table->item[table->nr].used = 0; + table->nr++; +} + +static int handle_line(char *line, struct merge_parents *merge_parents) { int i, len = strlen(line); struct origin_data *origin_data; @@ -61,6 +102,7 @@ static int handle_line(char *line) struct src_data *src_data; struct string_list_item *item; int pulling_head = 0; + unsigned char sha1[20]; if (len < 43 || line[40] != '\t') return 1; @@ -71,14 +113,15 @@ static int handle_line(char *line) if (line[41] != '\t') return 2; - line[40] = 0; - origin_data = xcalloc(1, sizeof(struct origin_data)); - i = get_sha1(line, origin_data->sha1); - line[40] = '\t'; - if (i) { - free(origin_data); + i = get_sha1_hex(line, sha1); + if (i) return 3; - } + + if (!find_merge_parent(merge_parents, sha1, NULL)) + return 0; /* subsumed by other parents */ + + origin_data = xcalloc(1, sizeof(struct origin_data)); + hashcpy(origin_data->sha1, sha1); if (line[len - 1] == '\n') line[len - 1] = 0; @@ -366,6 +409,67 @@ static void fmt_merge_msg_sigs(struct strbuf *out) strbuf_release(&tagbuf); } +static void find_merge_parents(struct merge_parents *result, + struct strbuf *in, unsigned char *head) +{ + struct commit_list *parents, *next; + struct commit *head_commit; + int pos = 0, i, j; + + parents = NULL; + while (pos < in->len) { + int len; + char *p = in->buf + pos; + char *newline = strchr(p, '\n'); + unsigned char sha1[20]; + struct commit *parent; + struct object *obj; + + len = newline ? newline - p : strlen(p); + pos += len + !!newline; + + if (len < 43 || + get_sha1_hex(p, sha1) || + p[40] != '\t' || + p[41] != '\t') + continue; /* skip not-for-merge */ + /* + * Do not use get_merge_parent() here; we do not have + * "name" here and we do not want to contaminate its + * util field yet. + */ + obj = parse_object(sha1); + parent = (struct commit *)peel_to_type(NULL, 0, obj, OBJ_COMMIT); + if (!parent) + continue; + commit_list_insert(parent, &parents); + add_merge_parent(result, obj->sha1, parent->object.sha1); + } + head_commit = lookup_commit(head); + if (head_commit) + commit_list_insert(head_commit, &parents); + parents = reduce_heads(parents); + + while (parents) { + for (i = 0; i < result->nr; i++) + if (!hashcmp(result->item[i].commit, + parents->item->object.sha1)) + result->item[i].used = 1; + next = parents->next; + free(parents); + parents = next; + } + + for (i = j = 0; i < result->nr; i++) { + if (result->item[i].used) { + if (i != j) + result->item[j] = result->item[i]; + j++; + } + } + result->nr = j; +} + int fmt_merge_msg(struct strbuf *in, struct strbuf *out, struct fmt_merge_msg_opts *opts) { @@ -373,6 +477,9 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out, unsigned char head_sha1[20]; const char *current_branch; void *current_branch_to_free; + struct merge_parents merge_parents; + + memset(&merge_parents, 0, sizeof(merge_parents)); /* get current branch */ current_branch = current_branch_to_free = @@ -382,6 +489,8 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out, if (!prefixcmp(current_branch, "refs/heads/")) current_branch += 11; + find_merge_parents(&merge_parents, in, head_sha1); + /* get a line */ while (pos < in->len) { int len; @@ -392,7 +501,7 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out, pos += len + !!newline; i++; p[len] = 0; - if (handle_line(p)) + if (handle_line(p, &merge_parents)) die ("Error in line %d: %.*s", i, len, p); } @@ -423,6 +532,7 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out, strbuf_complete_line(out); free(current_branch_to_free); + free(merge_parents.item); return 0; } diff --git a/builtin/fsck.c b/builtin/fsck.c index 8c479a791b..67eb553c7d 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -29,6 +29,7 @@ static int errors_found; static int write_lost_and_found; static int verbose; static int show_progress = -1; +static int show_dangling = 1; #define ERROR_OBJECT 01 #define ERROR_REACHABLE 02 #define ERROR_PACK 04 @@ -221,8 +222,9 @@ static void check_unreachable_object(struct object *obj) * start looking at, for example. */ if (!obj->used) { - printf("dangling %s %s\n", typename(obj->type), - sha1_to_hex(obj->sha1)); + if (show_dangling) + printf("dangling %s %s\n", typename(obj->type), + sha1_to_hex(obj->sha1)); if (write_lost_and_found) { char *filename = git_path("lost-found/%s/%s", obj->type == OBJ_COMMIT ? "commit" : "other", @@ -614,6 +616,7 @@ static char const * const fsck_usage[] = { static struct option fsck_opts[] = { OPT__VERBOSE(&verbose, "be verbose"), OPT_BOOLEAN(0, "unreachable", &show_unreachable, "show unreachable objects"), + OPT_BOOL(0, "dangling", &show_dangling, "show dangling objects"), OPT_BOOLEAN(0, "tags", &show_tags, "report tags"), OPT_BOOLEAN(0, "root", &show_root, "report root nodes"), OPT_BOOLEAN(0, "cache", &keep_cache_objects, "make index objects head nodes"), diff --git a/builtin/grep.c b/builtin/grep.c index 5c2ae94e55..643938d905 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -29,25 +29,12 @@ static int use_threads = 1; #define THREADS 8 static pthread_t threads[THREADS]; -static void *load_sha1(const unsigned char *sha1, unsigned long *size, - const char *name); -static void *load_file(const char *filename, size_t *sz); - -enum work_type {WORK_SHA1, WORK_FILE}; - /* We use one producer thread and THREADS consumer * threads. The producer adds struct work_items to 'todo' and the * consumers pick work items from the same array. */ struct work_item { - enum work_type type; - char *name; - - /* if type == WORK_SHA1, then 'identifier' is a SHA1, - * otherwise type == WORK_FILE, and 'identifier' is a NUL - * terminated filename. - */ - void *identifier; + struct grep_source source; char done; struct strbuf out; }; @@ -85,21 +72,6 @@ static inline void grep_unlock(void) pthread_mutex_unlock(&grep_mutex); } -/* Used to serialize calls to read_sha1_file. */ -static pthread_mutex_t read_sha1_mutex; - -static inline void read_sha1_lock(void) -{ - if (use_threads) - pthread_mutex_lock(&read_sha1_mutex); -} - -static inline void read_sha1_unlock(void) -{ - if (use_threads) - pthread_mutex_unlock(&read_sha1_mutex); -} - /* Signalled when a new work_item is added to todo. */ static pthread_cond_t cond_add; @@ -113,7 +85,8 @@ static pthread_cond_t cond_result; static int skip_first_line; -static void add_work(enum work_type type, char *name, void *id) +static void add_work(struct grep_opt *opt, enum grep_source_type type, + const char *name, const void *id) { grep_lock(); @@ -121,9 +94,9 @@ static void add_work(enum work_type type, char *name, void *id) pthread_cond_wait(&cond_write, &grep_mutex); } - todo[todo_end].type = type; - todo[todo_end].name = name; - todo[todo_end].identifier = id; + grep_source_init(&todo[todo_end].source, type, name, id); + if (opt->binary != GREP_BINARY_TEXT) + grep_source_load_driver(&todo[todo_end].source); todo[todo_end].done = 0; strbuf_reset(&todo[todo_end].out); todo_end = (todo_end + 1) % ARRAY_SIZE(todo); @@ -151,21 +124,6 @@ static struct work_item *get_work(void) return ret; } -static void grep_sha1_async(struct grep_opt *opt, char *name, - const unsigned char *sha1) -{ - unsigned char *s; - s = xmalloc(20); - memcpy(s, sha1, 20); - add_work(WORK_SHA1, name, s); -} - -static void grep_file_async(struct grep_opt *opt, char *name, - const char *filename) -{ - add_work(WORK_FILE, name, xstrdup(filename)); -} - static void work_done(struct work_item *w) { int old_done; @@ -192,8 +150,7 @@ static void work_done(struct work_item *w) write_or_die(1, p, len); } - free(w->name); - free(w->identifier); + grep_source_clear(&w->source); } if (old_done != todo_done) @@ -216,25 +173,8 @@ static void *run(void *arg) break; opt->output_priv = w; - if (w->type == WORK_SHA1) { - unsigned long sz; - void* data = load_sha1(w->identifier, &sz, w->name); - - if (data) { - hit |= grep_buffer(opt, w->name, data, sz); - free(data); - } - } else if (w->type == WORK_FILE) { - size_t sz; - void* data = load_file(w->identifier, &sz); - if (data) { - hit |= grep_buffer(opt, w->name, data, sz); - free(data); - } - } else { - assert(0); - } - + hit |= grep_source(opt, &w->source); + grep_source_clear_data(&w->source); work_done(w); } free_grep_patterns(arg); @@ -254,11 +194,12 @@ static void start_threads(struct grep_opt *opt) int i; pthread_mutex_init(&grep_mutex, NULL); - pthread_mutex_init(&read_sha1_mutex, NULL); + pthread_mutex_init(&grep_read_mutex, NULL); pthread_mutex_init(&grep_attr_mutex, NULL); pthread_cond_init(&cond_add, NULL); pthread_cond_init(&cond_write, NULL); pthread_cond_init(&cond_result, NULL); + grep_use_locks = 1; for (i = 0; i < ARRAY_SIZE(todo); i++) { strbuf_init(&todo[i].out, 0); @@ -302,17 +243,16 @@ static int wait_all(void) } pthread_mutex_destroy(&grep_mutex); - pthread_mutex_destroy(&read_sha1_mutex); + pthread_mutex_destroy(&grep_read_mutex); pthread_mutex_destroy(&grep_attr_mutex); pthread_cond_destroy(&cond_add); pthread_cond_destroy(&cond_write); pthread_cond_destroy(&cond_result); + grep_use_locks = 0; return hit; } #else /* !NO_PTHREADS */ -#define read_sha1_lock() -#define read_sha1_unlock() static int wait_all(void) { @@ -325,11 +265,8 @@ static int grep_config(const char *var, const char *value, void *cb) struct grep_opt *opt = cb; char *color = NULL; - switch (userdiff_config(var, value)) { - case 0: break; - case -1: return -1; - default: return 0; - } + if (userdiff_config(var, value) < 0) + return -1; if (!strcmp(var, "grep.extendedregexp")) { if (git_config_bool(var, value)) @@ -374,21 +311,9 @@ static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type { void *data; - read_sha1_lock(); + grep_read_lock(); data = read_sha1_file(sha1, type, size); - read_sha1_unlock(); - return data; -} - -static void *load_sha1(const unsigned char *sha1, unsigned long *size, - const char *name) -{ - enum object_type type; - void *data = lock_and_read_sha1_file(sha1, &type, size); - - if (!data) - error(_("'%s': unable to read %s"), name, sha1_to_hex(sha1)); - + grep_read_unlock(); return data; } @@ -396,7 +321,6 @@ static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1, const char *filename, int tree_name_len) { struct strbuf pathbuf = STRBUF_INIT; - char *name; if (opt->relative && opt->prefix_length) { quote_path_relative(filename + tree_name_len, -1, &pathbuf, @@ -406,87 +330,51 @@ static int grep_sha1(struct grep_opt *opt, const unsigned char *sha1, strbuf_addstr(&pathbuf, filename); } - name = strbuf_detach(&pathbuf, NULL); - #ifndef NO_PTHREADS if (use_threads) { - grep_sha1_async(opt, name, sha1); + add_work(opt, GREP_SOURCE_SHA1, pathbuf.buf, sha1); + strbuf_release(&pathbuf); return 0; } else #endif { + struct grep_source gs; int hit; - unsigned long sz; - void *data = load_sha1(sha1, &sz, name); - if (!data) - hit = 0; - else - hit = grep_buffer(opt, name, data, sz); - free(data); - free(name); - return hit; - } -} + grep_source_init(&gs, GREP_SOURCE_SHA1, pathbuf.buf, sha1); + strbuf_release(&pathbuf); + hit = grep_source(opt, &gs); -static void *load_file(const char *filename, size_t *sz) -{ - struct stat st; - char *data; - int i; - - if (lstat(filename, &st) < 0) { - err_ret: - if (errno != ENOENT) - error(_("'%s': %s"), filename, strerror(errno)); - return NULL; - } - if (!S_ISREG(st.st_mode)) - return NULL; - *sz = xsize_t(st.st_size); - i = open(filename, O_RDONLY); - if (i < 0) - goto err_ret; - data = xmalloc(*sz + 1); - if (st.st_size != read_in_full(i, data, *sz)) { - error(_("'%s': short read %s"), filename, strerror(errno)); - close(i); - free(data); - return NULL; + grep_source_clear(&gs); + return hit; } - close(i); - data[*sz] = 0; - return data; } static int grep_file(struct grep_opt *opt, const char *filename) { struct strbuf buf = STRBUF_INIT; - char *name; if (opt->relative && opt->prefix_length) quote_path_relative(filename, -1, &buf, opt->prefix); else strbuf_addstr(&buf, filename); - name = strbuf_detach(&buf, NULL); #ifndef NO_PTHREADS if (use_threads) { - grep_file_async(opt, name, filename); + add_work(opt, GREP_SOURCE_FILE, buf.buf, filename); + strbuf_release(&buf); return 0; } else #endif { + struct grep_source gs; int hit; - size_t sz; - void *data = load_file(filename, &sz); - if (!data) - hit = 0; - else - hit = grep_buffer(opt, name, data, sz); - free(data); - free(name); + grep_source_init(&gs, GREP_SOURCE_FILE, buf.buf, filename); + strbuf_release(&buf); + hit = grep_source(opt, &gs); + + grep_source_clear(&gs); return hit; } } @@ -615,10 +503,10 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, struct strbuf base; int hit, len; - read_sha1_lock(); + grep_read_lock(); data = read_object_with_reference(obj->sha1, tree_type, &size, NULL); - read_sha1_unlock(); + grep_read_unlock(); if (!data) die(_("unable to read tree (%s)"), sha1_to_hex(obj->sha1)); @@ -796,9 +684,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix) struct option options[] = { OPT_BOOLEAN(0, "cached", &cached, "search in index instead of in the work tree"), - { OPTION_BOOLEAN, 0, "index", &use_index, NULL, - "finds in contents not managed by git", - PARSE_OPT_NOARG | PARSE_OPT_NEGHELP }, + OPT_NEGBIT(0, "no-index", &use_index, + "finds in contents not managed by git", 1), OPT_BOOLEAN(0, "untracked", &untracked, "search in both tracked and untracked files"), OPT_SET_INT(0, "exclude-standard", &opt_exclude, @@ -1030,8 +917,6 @@ int cmd_grep(int argc, const char **argv, const char *prefix) use_threads = 0; #endif - opt.use_threads = use_threads; - #ifndef NO_PTHREADS if (use_threads) { if (!(opt.name_only || opt.unmatch_name_only || opt.count) diff --git a/builtin/index-pack.c b/builtin/index-pack.c index af7dc37a44..dd1c5c961d 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -34,6 +34,8 @@ struct base_data { struct object_entry *obj; void *data; unsigned long size; + int ref_first, ref_last; + int ofs_first, ofs_last; }; /* @@ -221,6 +223,15 @@ static NORETURN void bad_object(unsigned long offset, const char *format, ...) die("pack has bad object at offset %lu: %s", offset, buf); } +static struct base_data *alloc_base_data(void) +{ + struct base_data *base = xmalloc(sizeof(struct base_data)); + memset(base, 0, sizeof(*base)); + base->ref_last = -1; + base->ofs_last = -1; + return base; +} + static void free_base_data(struct base_data *c) { if (c->data) { @@ -504,14 +515,52 @@ static int is_delta_type(enum object_type type) return (type == OBJ_REF_DELTA || type == OBJ_OFS_DELTA); } +/* + * This function is part of find_unresolved_deltas(). There are two + * walkers going in the opposite ways. + * + * The first one in find_unresolved_deltas() traverses down from + * parent node to children, deflating nodes along the way. However, + * memory for deflated nodes is limited by delta_base_cache_limit, so + * at some point parent node's deflated content may be freed. + * + * The second walker is this function, which goes from current node up + * to top parent if necessary to deflate the node. In normal + * situation, its parent node would be already deflated, so it just + * needs to apply delta. + * + * In the worst case scenario, parent node is no longer deflated because + * we're running out of delta_base_cache_limit; we need to re-deflate + * parents, possibly up to the top base. + * + * All deflated objects here are subject to be freed if we exceed + * delta_base_cache_limit, just like in find_unresolved_deltas(), we + * just need to make sure the last node is not freed. + */ static void *get_base_data(struct base_data *c) { if (!c->data) { struct object_entry *obj = c->obj; + struct base_data **delta = NULL; + int delta_nr = 0, delta_alloc = 0; - if (is_delta_type(obj->type)) { - void *base = get_base_data(c->base); - void *raw = get_data_from_pack(obj); + while (is_delta_type(c->obj->type) && !c->data) { + ALLOC_GROW(delta, delta_nr + 1, delta_alloc); + delta[delta_nr++] = c; + c = c->base; + } + if (!delta_nr) { + c->data = get_data_from_pack(obj); + c->size = obj->size; + base_cache_used += c->size; + prune_base_data(c); + } + for (; delta_nr > 0; delta_nr--) { + void *base, *raw; + c = delta[delta_nr - 1]; + obj = c->obj; + base = get_base_data(c->base); + raw = get_data_from_pack(obj); c->data = patch_delta( base, c->base->size, raw, obj->size, @@ -519,13 +568,10 @@ static void *get_base_data(struct base_data *c) free(raw); if (!c->data) bad_object(obj->idx.offset, "failed to apply delta"); - } else { - c->data = get_data_from_pack(obj); - c->size = obj->size; + base_cache_used += c->size; + prune_base_data(c); } - - base_cache_used += c->size; - prune_base_data(c); + free(delta); } return c->data; } @@ -553,58 +599,76 @@ static void resolve_delta(struct object_entry *delta_obj, nr_resolved_deltas++; } -static void find_unresolved_deltas(struct base_data *base, - struct base_data *prev_base) +static struct base_data *find_unresolved_deltas_1(struct base_data *base, + struct base_data *prev_base) { - int i, ref_first, ref_last, ofs_first, ofs_last; - - /* - * This is a recursive function. Those brackets should help reducing - * stack usage by limiting the scope of the delta_base union. - */ - { + if (base->ref_last == -1 && base->ofs_last == -1) { union delta_base base_spec; hashcpy(base_spec.sha1, base->obj->idx.sha1); find_delta_children(&base_spec, - &ref_first, &ref_last, OBJ_REF_DELTA); + &base->ref_first, &base->ref_last, OBJ_REF_DELTA); memset(&base_spec, 0, sizeof(base_spec)); base_spec.offset = base->obj->idx.offset; find_delta_children(&base_spec, - &ofs_first, &ofs_last, OBJ_OFS_DELTA); - } + &base->ofs_first, &base->ofs_last, OBJ_OFS_DELTA); - if (ref_last == -1 && ofs_last == -1) { - free(base->data); - return; - } + if (base->ref_last == -1 && base->ofs_last == -1) { + free(base->data); + return NULL; + } - link_base_data(prev_base, base); + link_base_data(prev_base, base); + } - for (i = ref_first; i <= ref_last; i++) { - struct object_entry *child = objects + deltas[i].obj_no; - struct base_data result; + if (base->ref_first <= base->ref_last) { + struct object_entry *child = objects + deltas[base->ref_first].obj_no; + struct base_data *result = alloc_base_data(); assert(child->real_type == OBJ_REF_DELTA); - resolve_delta(child, base, &result); - if (i == ref_last && ofs_last == -1) + resolve_delta(child, base, result); + if (base->ref_first == base->ref_last && base->ofs_last == -1) free_base_data(base); - find_unresolved_deltas(&result, base); + + base->ref_first++; + return result; } - for (i = ofs_first; i <= ofs_last; i++) { - struct object_entry *child = objects + deltas[i].obj_no; - struct base_data result; + if (base->ofs_first <= base->ofs_last) { + struct object_entry *child = objects + deltas[base->ofs_first].obj_no; + struct base_data *result = alloc_base_data(); assert(child->real_type == OBJ_OFS_DELTA); - resolve_delta(child, base, &result); - if (i == ofs_last) + resolve_delta(child, base, result); + if (base->ofs_first == base->ofs_last) free_base_data(base); - find_unresolved_deltas(&result, base); + + base->ofs_first++; + return result; } unlink_base_data(base); + return NULL; +} + +static void find_unresolved_deltas(struct base_data *base) +{ + struct base_data *new_base, *prev_base = NULL; + for (;;) { + new_base = find_unresolved_deltas_1(base, prev_base); + + if (new_base) { + prev_base = base; + base = new_base; + } else { + free(base); + base = prev_base; + if (!base) + return; + prev_base = base->base; + } + } } static int compare_delta_entry(const void *a, const void *b) @@ -684,13 +748,13 @@ static void parse_pack_objects(unsigned char *sha1) progress = start_progress("Resolving deltas", nr_deltas); for (i = 0; i < nr_objects; i++) { struct object_entry *obj = &objects[i]; - struct base_data base_obj; + struct base_data *base_obj = alloc_base_data(); if (is_delta_type(obj->type)) continue; - base_obj.obj = obj; - base_obj.data = NULL; - find_unresolved_deltas(&base_obj, NULL); + base_obj->obj = obj; + base_obj->data = NULL; + find_unresolved_deltas(base_obj); display_progress(progress, nr_resolved_deltas); } } @@ -783,20 +847,20 @@ static void fix_unresolved_deltas(struct sha1file *f, int nr_unresolved) for (i = 0; i < n; i++) { struct delta_entry *d = sorted_by_pos[i]; enum object_type type; - struct base_data base_obj; + struct base_data *base_obj = alloc_base_data(); if (objects[d->obj_no].real_type != OBJ_REF_DELTA) continue; - base_obj.data = read_sha1_file(d->base.sha1, &type, &base_obj.size); - if (!base_obj.data) + base_obj->data = read_sha1_file(d->base.sha1, &type, &base_obj->size); + if (!base_obj->data) continue; - if (check_sha1_signature(d->base.sha1, base_obj.data, - base_obj.size, typename(type))) + if (check_sha1_signature(d->base.sha1, base_obj->data, + base_obj->size, typename(type))) die("local object %s is corrupt", sha1_to_hex(d->base.sha1)); - base_obj.obj = append_obj_to_pack(f, d->base.sha1, - base_obj.data, base_obj.size, type); - find_unresolved_deltas(&base_obj, NULL); + base_obj->obj = append_obj_to_pack(f, d->base.sha1, + base_obj->data, base_obj->size, type); + find_unresolved_deltas(base_obj); display_progress(progress, nr_resolved_deltas); } free(sorted_by_pos); diff --git a/builtin/log.c b/builtin/log.c index 7d1f6f88a0..8a47012b0b 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -77,6 +77,8 @@ static void cmd_log_init_defaults(struct rev_info *rev) get_commit_format(fmt_pretty, rev); rev->verbose_header = 1; DIFF_OPT_SET(&rev->diffopt, RECURSIVE); + rev->diffopt.stat_width = -1; /* use full terminal width */ + rev->diffopt.stat_graph_width = -1; /* respect statGraphWidth config */ rev->abbrev_commit = default_abbrev_commit; rev->show_root_diff = default_show_root; rev->subject_prefix = fmt_patch_subject_prefix; @@ -447,6 +449,8 @@ int cmd_show(int argc, const char **argv, const char *prefix) rev.diff = 1; rev.always_show_header = 1; rev.no_walk = 1; + rev.diffopt.stat_width = -1; /* Scale to real terminal size */ + memset(&opt, 0, sizeof(opt)); opt.def = "HEAD"; opt.tweak = show_rev_tweak_rev; diff --git a/builtin/mailinfo.c b/builtin/mailinfo.c index bfb32b7233..eaf9e157a3 100644 --- a/builtin/mailinfo.c +++ b/builtin/mailinfo.c @@ -250,8 +250,17 @@ static void cleanup_subject(struct strbuf *subject) (7 <= remove && memmem(subject->buf + at, remove, "PATCH", 5))) strbuf_remove(subject, at, remove); - else + else { at += remove; + /* + * If the input had a space after the ], keep + * it. We don't bother with finding the end of + * the space, since we later normalize it + * anyway. + */ + if (isspace(subject->buf[at])) + at += 1; + } continue; } break; diff --git a/builtin/merge.c b/builtin/merge.c index b4fbc60e6d..470fc57c5d 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -48,11 +48,10 @@ static const char * const builtin_merge_usage[] = { static int show_diffstat = 1, shortlog_len = -1, squash; static int option_commit = 1, allow_fast_forward = 1; -static int fast_forward_only, option_edit; +static int fast_forward_only, option_edit = -1; static int allow_trivial = 1, have_message; static int overwrite_ignore = 1; static struct strbuf merge_msg = STRBUF_INIT; -static struct commit_list *remoteheads; static struct strategy **use_strategies; static size_t use_strategies_nr, use_strategies_alloc; static const char **xopts; @@ -193,7 +192,7 @@ static struct option builtin_merge_options[] = { "create a single commit instead of doing a merge"), OPT_BOOLEAN(0, "commit", &option_commit, "perform a commit if the merge succeeds (default)"), - OPT_BOOLEAN('e', "edit", &option_edit, + OPT_BOOL('e', "edit", &option_edit, "edit message before committing"), OPT_BOOLEAN(0, "ff", &allow_fast_forward, "allow fast-forward (default)"), @@ -318,7 +317,7 @@ static void finish_up_to_date(const char *msg) drop_save(); } -static void squash_message(struct commit *commit) +static void squash_message(struct commit *commit, struct commit_list *remoteheads) { struct rev_info rev; struct strbuf out = STRBUF_INIT; @@ -366,6 +365,7 @@ static void squash_message(struct commit *commit) } static void finish(struct commit *head_commit, + struct commit_list *remoteheads, const unsigned char *new_head, const char *msg) { struct strbuf reflog_message = STRBUF_INIT; @@ -380,7 +380,7 @@ static void finish(struct commit *head_commit, getenv("GIT_REFLOG_ACTION"), msg); } if (squash) { - squash_message(head_commit); + squash_message(head_commit, remoteheads); } else { if (verbosity >= 0 && !merge_msg.len) printf(_("No merge message -- not updating HEAD\n")); @@ -399,6 +399,8 @@ static void finish(struct commit *head_commit, if (new_head && show_diffstat) { struct diff_options opts; diff_setup(&opts); + opts.stat_width = -1; /* use full terminal width */ + opts.stat_graph_width = -1; /* respect statGraphWidth config */ opts.output_format |= DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT; opts.detect_rename = DIFF_DETECT_RENAME; @@ -681,6 +683,7 @@ int try_merge_command(const char *strategy, size_t xopts_nr, } static int try_merge_strategy(const char *strategy, struct commit_list *common, + struct commit_list *remoteheads, struct commit *head, const char *head_arg) { int index_fd; @@ -874,39 +877,49 @@ static void read_merge_msg(struct strbuf *msg) die_errno(_("Could not read from '%s'"), filename); } -static void write_merge_state(void); -static void abort_commit(const char *err_msg) +static void write_merge_state(struct commit_list *); +static void abort_commit(struct commit_list *remoteheads, const char *err_msg) { if (err_msg) error("%s", err_msg); fprintf(stderr, _("Not committing merge; use 'git commit' to complete the merge.\n")); - write_merge_state(); + write_merge_state(remoteheads); exit(1); } -static void prepare_to_commit(void) +static const char merge_editor_comment[] = +N_("Please enter a commit message to explain why this merge is necessary,\n" + "especially if it merges an updated upstream into a topic branch.\n" + "\n" + "Lines starting with '#' will be ignored, and an empty message aborts\n" + "the commit.\n"); + +static void prepare_to_commit(struct commit_list *remoteheads) { struct strbuf msg = STRBUF_INIT; + const char *comment = _(merge_editor_comment); strbuf_addbuf(&msg, &merge_msg); strbuf_addch(&msg, '\n'); + if (0 < option_edit) + strbuf_add_lines(&msg, "# ", comment, strlen(comment)); write_merge_msg(&msg); run_hook(get_index_file(), "prepare-commit-msg", git_path("MERGE_MSG"), "merge", NULL, NULL); - if (option_edit) { + if (0 < option_edit) { if (launch_editor(git_path("MERGE_MSG"), NULL, NULL)) - abort_commit(NULL); + abort_commit(remoteheads, NULL); } read_merge_msg(&msg); - stripspace(&msg, option_edit); + stripspace(&msg, 0 < option_edit); if (!msg.len) - abort_commit(_("Empty commit message.")); + abort_commit(remoteheads, _("Empty commit message.")); strbuf_release(&merge_msg); strbuf_addbuf(&merge_msg, &msg); strbuf_release(&msg); } -static int merge_trivial(struct commit *head) +static int merge_trivial(struct commit *head, struct commit_list *remoteheads) { unsigned char result_tree[20], result_commit[20]; struct commit_list *parent = xmalloc(sizeof(*parent)); @@ -917,45 +930,37 @@ static int merge_trivial(struct commit *head) parent->next = xmalloc(sizeof(*parent->next)); parent->next->item = remoteheads->item; parent->next->next = NULL; - prepare_to_commit(); + prepare_to_commit(remoteheads); if (commit_tree(&merge_msg, result_tree, parent, result_commit, NULL, sign_commit)) die(_("failed to write commit object")); - finish(head, result_commit, "In-index merge"); + finish(head, remoteheads, result_commit, "In-index merge"); drop_save(); return 0; } static int finish_automerge(struct commit *head, + int head_subsumed, struct commit_list *common, + struct commit_list *remoteheads, unsigned char *result_tree, const char *wt_strategy) { - struct commit_list *parents = NULL, *j; + struct commit_list *parents = NULL; struct strbuf buf = STRBUF_INIT; unsigned char result_commit[20]; free_commit_list(common); - if (allow_fast_forward) { - parents = remoteheads; + parents = remoteheads; + if (!head_subsumed || !allow_fast_forward) commit_list_insert(head, &parents); - parents = reduce_heads(parents); - } else { - struct commit_list **pptr = &parents; - - pptr = &commit_list_insert(head, - pptr)->next; - for (j = remoteheads; j; j = j->next) - pptr = &commit_list_insert(j->item, pptr)->next; - } strbuf_addch(&merge_msg, '\n'); - prepare_to_commit(); - free_commit_list(remoteheads); + prepare_to_commit(remoteheads); if (commit_tree(&merge_msg, result_tree, parents, result_commit, NULL, sign_commit)) die(_("failed to write commit object")); strbuf_addf(&buf, "Merge made by the '%s' strategy.", wt_strategy); - finish(head, result_commit, buf.buf); + finish(head, remoteheads, result_commit, buf.buf); strbuf_release(&buf); drop_save(); return 0; @@ -1060,7 +1065,7 @@ static int setup_with_upstream(const char ***argv) return i; } -static void write_merge_state(void) +static void write_merge_state(struct commit_list *remoteheads) { const char *filename; int fd; @@ -1099,6 +1104,66 @@ static void write_merge_state(void) close(fd); } +static int default_edit_option(void) +{ + static const char name[] = "GIT_MERGE_AUTOEDIT"; + const char *e = getenv(name); + struct stat st_stdin, st_stdout; + + if (have_message) + /* an explicit -m msg without --[no-]edit */ + return 0; + + if (e) { + int v = git_config_maybe_bool(name, e); + if (v < 0) + die("Bad value '%s' in environment '%s'", e, name); + return v; + } + + /* Use editor if stdin and stdout are the same and is a tty */ + return (!fstat(0, &st_stdin) && + !fstat(1, &st_stdout) && + isatty(0) && isatty(1) && + st_stdin.st_dev == st_stdout.st_dev && + st_stdin.st_ino == st_stdout.st_ino && + st_stdin.st_mode == st_stdout.st_mode); +} + +static struct commit_list *collect_parents(struct commit *head_commit, + int *head_subsumed, + int argc, const char **argv) +{ + int i; + struct commit_list *remoteheads = NULL, *parents, *next; + struct commit_list **remotes = &remoteheads; + + if (head_commit) + remotes = &commit_list_insert(head_commit, remotes)->next; + for (i = 0; i < argc; i++) { + struct commit *commit = get_merge_parent(argv[i]); + if (!commit) + die(_("%s - not something we can merge"), argv[i]); + remotes = &commit_list_insert(commit, remotes)->next; + } + *remotes = NULL; + + parents = reduce_heads(remoteheads); + + *head_subsumed = 1; /* we will flip this to 0 when we find it */ + for (remoteheads = NULL, remotes = &remoteheads; + parents; + parents = next) { + struct commit *commit = parents->item; + next = parents->next; + if (commit == head_commit) + *head_subsumed = 0; + else + remotes = &commit_list_insert(commit, remotes)->next; + } + return remoteheads; +} + int cmd_merge(int argc, const char **argv, const char *prefix) { unsigned char result_tree[20]; @@ -1107,11 +1172,11 @@ int cmd_merge(int argc, const char **argv, const char *prefix) struct commit *head_commit; struct strbuf buf = STRBUF_INIT; const char *head_arg; - int flag, i, ret = 0; + int flag, i, ret = 0, head_subsumed; int best_cnt = -1, merge_was_ok = 0, automerge_was_ok = 0; struct commit_list *common = NULL; const char *best_strategy = NULL, *wt_strategy = NULL; - struct commit_list **remotes = &remoteheads; + struct commit_list *remoteheads, *p; void *branch_to_free; if (argc == 2 && !strcmp(argv[1], "-h")) @@ -1216,6 +1281,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) head_arg = argv[1]; argv += 2; argc -= 2; + remoteheads = collect_parents(head_commit, &head_subsumed, argc, argv); } else if (!head_commit) { struct commit *remote_head; /* @@ -1231,7 +1297,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (!allow_fast_forward) die(_("Non-fast-forward commit does not make sense into " "an empty head")); - remote_head = get_merge_parent(argv[0]); + remoteheads = collect_parents(head_commit, &head_subsumed, argc, argv); + remote_head = remoteheads->item; if (!remote_head) die(_("%s - not something we can merge"), argv[0]); read_empty(remote_head->object.sha1, 0); @@ -1249,8 +1316,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * the standard merge summary message to be appended * to the given message. */ - for (i = 0; i < argc; i++) - merge_name(argv[i], &merge_names); + remoteheads = collect_parents(head_commit, &head_subsumed, argc, argv); + for (p = remoteheads; p; p = p->next) + merge_name(merge_remote_util(p->item)->name, &merge_names); if (!have_message || shortlog_len) { struct fmt_merge_msg_opts opts; @@ -1269,31 +1337,31 @@ int cmd_merge(int argc, const char **argv, const char *prefix) builtin_merge_options); strbuf_addstr(&buf, "merge"); - for (i = 0; i < argc; i++) - strbuf_addf(&buf, " %s", argv[i]); + for (p = remoteheads; p; p = p->next) + strbuf_addf(&buf, " %s", merge_remote_util(p->item)->name); setenv("GIT_REFLOG_ACTION", buf.buf, 0); strbuf_reset(&buf); - for (i = 0; i < argc; i++) { - struct commit *commit = get_merge_parent(argv[i]); - if (!commit) - die(_("%s - not something we can merge"), argv[i]); - remotes = &commit_list_insert(commit, remotes)->next; + for (p = remoteheads; p; p = p->next) { + struct commit *commit = p->item; strbuf_addf(&buf, "GITHEAD_%s", sha1_to_hex(commit->object.sha1)); - setenv(buf.buf, argv[i], 1); + setenv(buf.buf, merge_remote_util(commit)->name, 1); strbuf_reset(&buf); if (!fast_forward_only && merge_remote_util(commit) && merge_remote_util(commit)->obj && - merge_remote_util(commit)->obj->type == OBJ_TAG) { - option_edit = 1; + merge_remote_util(commit)->obj->type == OBJ_TAG) allow_fast_forward = 0; - } } + if (option_edit < 0) + option_edit = default_edit_option(); + if (!use_strategies) { - if (!remoteheads->next) + if (!remoteheads) + ; /* already up-to-date */ + else if (!remoteheads->next) add_strategies(pull_twohead, DEFAULT_TWOHEAD); else add_strategies(pull_octopus, DEFAULT_OCTOPUS); @@ -1306,7 +1374,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix) allow_trivial = 0; } - if (!remoteheads->next) + if (!remoteheads) + ; /* already up-to-date */ + else if (!remoteheads->next) common = get_merge_bases(head_commit, remoteheads->item, 1); else { struct commit_list *list = remoteheads; @@ -1318,10 +1388,11 @@ int cmd_merge(int argc, const char **argv, const char *prefix) update_ref("updating ORIG_HEAD", "ORIG_HEAD", head_commit->object.sha1, NULL, 0, DIE_ON_ERR); - if (!common) + if (remoteheads && !common) ; /* No common ancestors found. We need a real merge. */ - else if (!remoteheads->next && !common->next && - common->item == remoteheads->item) { + else if (!remoteheads || + (!remoteheads->next && !common->next && + common->item == remoteheads->item)) { /* * If head can reach all the merge then we are up to date. * but first the most common case of merging one remote. @@ -1359,7 +1430,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) goto done; } - finish(head_commit, commit->object.sha1, msg.buf); + finish(head_commit, remoteheads, commit->object.sha1, msg.buf); drop_save(); goto done; } else if (!remoteheads->next && common->next) @@ -1381,7 +1452,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (!read_tree_trivial(common->item->object.sha1, head_commit->object.sha1, remoteheads->item->object.sha1)) { - ret = merge_trivial(head_commit); + ret = merge_trivial(head_commit, remoteheads); goto done; } printf(_("Nope.\n")); @@ -1452,7 +1523,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix) wt_strategy = use_strategies[i]->name; ret = try_merge_strategy(use_strategies[i]->name, - common, head_commit, head_arg); + common, remoteheads, + head_commit, head_arg); if (!option_commit && !ret) { merge_was_ok = 1; /* @@ -1494,8 +1566,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * auto resolved the merge cleanly. */ if (automerge_was_ok) { - ret = finish_automerge(head_commit, common, result_tree, - wt_strategy); + ret = finish_automerge(head_commit, head_subsumed, + common, remoteheads, + result_tree, wt_strategy); goto done; } @@ -1520,13 +1593,14 @@ int cmd_merge(int argc, const char **argv, const char *prefix) restore_state(head_commit->object.sha1, stash); printf(_("Using the %s to prepare resolving by hand.\n"), best_strategy); - try_merge_strategy(best_strategy, common, head_commit, head_arg); + try_merge_strategy(best_strategy, common, remoteheads, + head_commit, head_arg); } if (squash) - finish(head_commit, NULL, NULL); + finish(head_commit, remoteheads, NULL, NULL); else - write_merge_state(); + write_merge_state(remoteheads); if (merge_was_ok) fprintf(stderr, _("Automatic merge went well; " diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index 0f2e7b8f5c..7b07c092cc 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -18,16 +18,11 @@ #include "refs.h" #include "thread-utils.h" -static const char pack_usage[] = - "git pack-objects [ -q | --progress | --all-progress ]\n" - " [--all-progress-implied]\n" - " [--max-pack-size=<n>] [--local] [--incremental]\n" - " [--window=<n>] [--window-memory=<n>] [--depth=<n>]\n" - " [--no-reuse-delta] [--no-reuse-object] [--delta-base-offset]\n" - " [--threads=<n>] [--non-empty] [--revs [--unpacked | --all]]\n" - " [--reflog] [--stdout | base-name] [--include-tag]\n" - " [--keep-unreachable | --unpack-unreachable]\n" - " [< ref-list | < object-list]"; +static const char *pack_usage[] = { + "git pack-objects --stdout [options...] [< ref-list | < object-list]", + "git pack-objects [options...] base-name [< ref-list | < object-list]", + NULL +}; struct object_entry { struct pack_idx_entry idx; @@ -2305,204 +2300,159 @@ static void get_object_list(int ac, const char **av) loosen_unused_packed_objects(&revs); } +static int option_parse_index_version(const struct option *opt, + const char *arg, int unset) +{ + char *c; + const char *val = arg; + pack_idx_opts.version = strtoul(val, &c, 10); + if (pack_idx_opts.version > 2) + die(_("unsupported index version %s"), val); + if (*c == ',' && c[1]) + pack_idx_opts.off32_limit = strtoul(c+1, &c, 0); + if (*c || pack_idx_opts.off32_limit & 0x80000000) + die(_("bad index version '%s'"), val); + return 0; +} + +static int option_parse_ulong(const struct option *opt, + const char *arg, int unset) +{ + if (unset) + die(_("option %s does not accept negative form"), + opt->long_name); + + if (!git_parse_ulong(arg, opt->value)) + die(_("unable to parse value '%s' for option %s"), + arg, opt->long_name); + return 0; +} + +#define OPT_ULONG(s, l, v, h) \ + { OPTION_CALLBACK, (s), (l), (v), "n", (h), \ + PARSE_OPT_NONEG, option_parse_ulong } + int cmd_pack_objects(int argc, const char **argv, const char *prefix) { int use_internal_rev_list = 0; int thin = 0; int all_progress_implied = 0; - uint32_t i; - const char **rp_av; - int rp_ac_alloc = 64; - int rp_ac; + const char *rp_av[6]; + int rp_ac = 0; + int rev_list_unpacked = 0, rev_list_all = 0, rev_list_reflog = 0; + struct option pack_objects_options[] = { + OPT_SET_INT('q', "quiet", &progress, + "do not show progress meter", 0), + OPT_SET_INT(0, "progress", &progress, + "show progress meter", 1), + OPT_SET_INT(0, "all-progress", &progress, + "show progress meter during object writing phase", 2), + OPT_BOOL(0, "all-progress-implied", + &all_progress_implied, + "similar to --all-progress when progress meter is shown"), + { OPTION_CALLBACK, 0, "index-version", NULL, "version[,offset]", + "write the pack index file in the specified idx format version", + 0, option_parse_index_version }, + OPT_ULONG(0, "max-pack-size", &pack_size_limit, + "maximum size of each output pack file"), + OPT_BOOL(0, "local", &local, + "ignore borrowed objects from alternate object store"), + OPT_BOOL(0, "incremental", &incremental, + "ignore packed objects"), + OPT_INTEGER(0, "window", &window, + "limit pack window by objects"), + OPT_ULONG(0, "window-memory", &window_memory_limit, + "limit pack window by memory in addition to object limit"), + OPT_INTEGER(0, "depth", &depth, + "maximum length of delta chain allowed in the resulting pack"), + OPT_BOOL(0, "reuse-delta", &reuse_delta, + "reuse existing deltas"), + OPT_BOOL(0, "reuse-object", &reuse_object, + "reuse existing objects"), + OPT_BOOL(0, "delta-base-offset", &allow_ofs_delta, + "use OFS_DELTA objects"), + OPT_INTEGER(0, "threads", &delta_search_threads, + "use threads when searching for best delta matches"), + OPT_BOOL(0, "non-empty", &non_empty, + "do not create an empty pack output"), + OPT_BOOL(0, "revs", &use_internal_rev_list, + "read revision arguments from standard input"), + { OPTION_SET_INT, 0, "unpacked", &rev_list_unpacked, NULL, + "limit the objects to those that are not yet packed", + PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 }, + { OPTION_SET_INT, 0, "all", &rev_list_all, NULL, + "include objects reachable from any reference", + PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 }, + { OPTION_SET_INT, 0, "reflog", &rev_list_reflog, NULL, + "include objects referred by reflog entries", + PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, 1 }, + OPT_BOOL(0, "stdout", &pack_to_stdout, + "output pack to stdout"), + OPT_BOOL(0, "include-tag", &include_tag, + "include tag objects that refer to objects to be packed"), + OPT_BOOL(0, "keep-unreachable", &keep_unreachable, + "keep unreachable objects"), + OPT_BOOL(0, "unpack-unreachable", &unpack_unreachable, + "unpack unreachable objects"), + OPT_BOOL(0, "thin", &thin, + "create thin packs"), + OPT_BOOL(0, "honor-pack-keep", &ignore_packed_keep, + "ignore packs that have companion .keep file"), + OPT_INTEGER(0, "compression", &pack_compression_level, + "pack compression level"), + OPT_SET_INT(0, "keep-true-parents", &grafts_replace_parents, + "do not hide commits by grafts", 0), + OPT_END(), + }; read_replace_refs = 0; - rp_av = xcalloc(rp_ac_alloc, sizeof(*rp_av)); - - rp_av[0] = "pack-objects"; - rp_av[1] = "--objects"; /* --thin will make it --objects-edge */ - rp_ac = 2; - reset_pack_idx_option(&pack_idx_opts); git_config(git_pack_config, NULL); if (!pack_compression_seen && core_compression_seen) pack_compression_level = core_compression_level; progress = isatty(2); - for (i = 1; i < argc; i++) { - const char *arg = argv[i]; - - if (*arg != '-') - break; + argc = parse_options(argc, argv, prefix, pack_objects_options, + pack_usage, 0); - if (!strcmp("--non-empty", arg)) { - non_empty = 1; - continue; - } - if (!strcmp("--local", arg)) { - local = 1; - continue; - } - if (!strcmp("--incremental", arg)) { - incremental = 1; - continue; - } - if (!strcmp("--honor-pack-keep", arg)) { - ignore_packed_keep = 1; - continue; - } - if (!prefixcmp(arg, "--compression=")) { - char *end; - int level = strtoul(arg+14, &end, 0); - if (!arg[14] || *end) - usage(pack_usage); - if (level == -1) - level = Z_DEFAULT_COMPRESSION; - else if (level < 0 || level > Z_BEST_COMPRESSION) - die("bad pack compression level %d", level); - pack_compression_level = level; - continue; - } - if (!prefixcmp(arg, "--max-pack-size=")) { - pack_size_limit_cfg = 0; - if (!git_parse_ulong(arg+16, &pack_size_limit)) - usage(pack_usage); - continue; - } - if (!prefixcmp(arg, "--window=")) { - char *end; - window = strtoul(arg+9, &end, 0); - if (!arg[9] || *end) - usage(pack_usage); - continue; - } - if (!prefixcmp(arg, "--window-memory=")) { - if (!git_parse_ulong(arg+16, &window_memory_limit)) - usage(pack_usage); - continue; - } - if (!prefixcmp(arg, "--threads=")) { - char *end; - delta_search_threads = strtoul(arg+10, &end, 0); - if (!arg[10] || *end || delta_search_threads < 0) - usage(pack_usage); -#ifdef NO_PTHREADS - if (delta_search_threads != 1) - warning("no threads support, " - "ignoring %s", arg); -#endif - continue; - } - if (!prefixcmp(arg, "--depth=")) { - char *end; - depth = strtoul(arg+8, &end, 0); - if (!arg[8] || *end) - usage(pack_usage); - continue; - } - if (!strcmp("--progress", arg)) { - progress = 1; - continue; - } - if (!strcmp("--all-progress", arg)) { - progress = 2; - continue; - } - if (!strcmp("--all-progress-implied", arg)) { - all_progress_implied = 1; - continue; - } - if (!strcmp("-q", arg)) { - progress = 0; - continue; - } - if (!strcmp("--no-reuse-delta", arg)) { - reuse_delta = 0; - continue; - } - if (!strcmp("--no-reuse-object", arg)) { - reuse_object = reuse_delta = 0; - continue; - } - if (!strcmp("--delta-base-offset", arg)) { - allow_ofs_delta = 1; - continue; - } - if (!strcmp("--stdout", arg)) { - pack_to_stdout = 1; - continue; - } - if (!strcmp("--revs", arg)) { - use_internal_rev_list = 1; - continue; - } - if (!strcmp("--keep-unreachable", arg)) { - keep_unreachable = 1; - continue; - } - if (!strcmp("--unpack-unreachable", arg)) { - unpack_unreachable = 1; - continue; - } - if (!strcmp("--include-tag", arg)) { - include_tag = 1; - continue; - } - if (!strcmp("--unpacked", arg) || - !strcmp("--reflog", arg) || - !strcmp("--all", arg)) { - use_internal_rev_list = 1; - if (rp_ac >= rp_ac_alloc - 1) { - rp_ac_alloc = alloc_nr(rp_ac_alloc); - rp_av = xrealloc(rp_av, - rp_ac_alloc * sizeof(*rp_av)); - } - rp_av[rp_ac++] = arg; - continue; - } - if (!strcmp("--thin", arg)) { - use_internal_rev_list = 1; - thin = 1; - rp_av[1] = "--objects-edge"; - continue; - } - if (!prefixcmp(arg, "--index-version=")) { - char *c; - pack_idx_opts.version = strtoul(arg + 16, &c, 10); - if (pack_idx_opts.version > 2) - die("bad %s", arg); - if (*c == ',') - pack_idx_opts.off32_limit = strtoul(c+1, &c, 0); - if (*c || pack_idx_opts.off32_limit & 0x80000000) - die("bad %s", arg); - continue; - } - if (!strcmp(arg, "--keep-true-parents")) { - grafts_replace_parents = 0; - continue; - } - usage(pack_usage); - } - - /* Traditionally "pack-objects [options] base extra" failed; - * we would however want to take refs parameter that would - * have been given to upstream rev-list ourselves, which means - * we somehow want to say what the base name is. So the - * syntax would be: - * - * pack-objects [options] base <refs...> - * - * in other words, we would treat the first non-option as the - * base_name and send everything else to the internal revision - * walker. - */ + if (argc) { + base_name = argv[0]; + argc--; + } + if (pack_to_stdout != !base_name || argc) + usage_with_options(pack_usage, pack_objects_options); - if (!pack_to_stdout) - base_name = argv[i++]; + rp_av[rp_ac++] = "pack-objects"; + if (thin) { + use_internal_rev_list = 1; + rp_av[rp_ac++] = "--objects-edge"; + } else + rp_av[rp_ac++] = "--objects"; - if (pack_to_stdout != !base_name) - usage(pack_usage); + if (rev_list_all) { + use_internal_rev_list = 1; + rp_av[rp_ac++] = "--all"; + } + if (rev_list_reflog) { + use_internal_rev_list = 1; + rp_av[rp_ac++] = "--reflog"; + } + if (rev_list_unpacked) { + use_internal_rev_list = 1; + rp_av[rp_ac++] = "--unpacked"; + } + if (!reuse_object) + reuse_delta = 0; + if (pack_compression_level == -1) + pack_compression_level = Z_DEFAULT_COMPRESSION; + else if (pack_compression_level < 0 || pack_compression_level > Z_BEST_COMPRESSION) + die("bad pack compression level %d", pack_compression_level); +#ifdef NO_PTHREADS + if (delta_search_threads != 1) + warning("no threads support, ignoring --threads"); +#endif if (!pack_to_stdout && !pack_size_limit) pack_size_limit = pack_size_limit_cfg; if (pack_to_stdout && pack_size_limit) diff --git a/builtin/prune-packed.c b/builtin/prune-packed.c index f9463deec2..b58a2e1eb2 100644 --- a/builtin/prune-packed.c +++ b/builtin/prune-packed.c @@ -35,8 +35,6 @@ static void prune_dir(int i, DIR *dir, char *pathname, int len, int opts) unlink_or_warn(pathname); display_progress(progress, i + 1); } - pathname[len] = 0; - rmdir(pathname); } void prune_packed_objects(int opts) @@ -65,6 +63,8 @@ void prune_packed_objects(int opts) continue; prune_dir(i, d, pathname, len + 3, opts); closedir(d); + pathname[len + 2] = '\0'; + rmdir(pathname); } stop_progress(&progress); } diff --git a/builtin/prune.c b/builtin/prune.c index 58d7cb8324..b99b635e44 100644 --- a/builtin/prune.c +++ b/builtin/prune.c @@ -85,9 +85,9 @@ static int prune_dir(int i, char *path) } fprintf(stderr, "bad sha1 file: %s/%s\n", path, de->d_name); } + closedir(dir); if (!show_only) rmdir(path); - closedir(dir); return 0; } diff --git a/builtin/push.c b/builtin/push.c index 6c373cf28b..b6c0fee4c6 100644 --- a/builtin/push.c +++ b/builtin/push.c @@ -65,6 +65,16 @@ static void set_refspecs(const char **refs, int nr) } } +static int push_url_of_remote(struct remote *remote, const char ***url_p) +{ + if (remote->pushurl_nr) { + *url_p = remote->pushurl; + return remote->pushurl_nr; + } + *url_p = remote->url; + return remote->url_nr; +} + static void setup_push_upstream(struct remote *remote) { struct strbuf refspec = STRBUF_INIT; @@ -76,7 +86,7 @@ static void setup_push_upstream(struct remote *remote) "\n" " git push %s HEAD:<name-of-remote-branch>\n"), remote->name); - if (!branch->merge_nr || !branch->merge) + if (!branch->merge_nr || !branch->merge || !branch->remote_name) die(_("The current branch %s has no upstream branch.\n" "To push the current branch and set the remote as upstream, use\n" "\n" @@ -87,6 +97,12 @@ static void setup_push_upstream(struct remote *remote) if (branch->merge_nr != 1) die(_("The current branch %s has multiple upstream branches, " "refusing to push."), branch->name); + if (strcmp(branch->remote_name, remote->name)) + die(_("You are pushing to remote '%s', which is not the upstream of\n" + "your current branch '%s', without telling me what to push\n" + "to update which remote branch."), + remote->name, branch->name); + strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src); add_refspec(refspec.buf); } @@ -196,13 +212,7 @@ static int do_push(const char *repo, int flags) setup_default_push_refspecs(remote); } errs = 0; - if (remote->pushurl_nr) { - url = remote->pushurl; - url_nr = remote->pushurl_nr; - } else { - url = remote->url; - url_nr = remote->url_nr; - } + url_nr = push_url_of_remote(remote, &url); if (url_nr) { for (i = 0; i < url_nr; i++) { struct transport *transport = @@ -261,6 +271,8 @@ int cmd_push(int argc, const char **argv, const char *prefix) OPT_BIT('u', "set-upstream", &flags, "set upstream for git pull/status", TRANSPORT_PUSH_SET_UPSTREAM), OPT_BOOL(0, "progress", &progress, "force progress reporting"), + OPT_BIT(0, "prune", &flags, "prune locally removed refs", + TRANSPORT_PUSH_PRUNE), OPT_END() }; diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index fa7448be5a..0afb8b2896 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -642,8 +642,10 @@ static void check_aliased_updates(struct command *commands) } sort_string_list(&ref_list); - for (cmd = commands; cmd; cmd = cmd->next) - check_aliased_update(cmd, &ref_list); + for (cmd = commands; cmd; cmd = cmd->next) { + if (!cmd->error_string) + check_aliased_update(cmd, &ref_list); + } string_list_clear(&ref_list, 0); } @@ -707,8 +709,10 @@ static void execute_commands(struct command *commands, const char *unpacker_erro set_connectivity_errors(commands); if (run_receive_hook(commands, pre_receive_hook, 0)) { - for (cmd = commands; cmd; cmd = cmd->next) - cmd->error_string = "pre-receive hook declined"; + for (cmd = commands; cmd; cmd = cmd->next) { + if (!cmd->error_string) + cmd->error_string = "pre-receive hook declined"; + } return; } @@ -717,9 +721,15 @@ static void execute_commands(struct command *commands, const char *unpacker_erro free(head_name_to_free); head_name = head_name_to_free = resolve_refdup("HEAD", sha1, 0, NULL); - for (cmd = commands; cmd; cmd = cmd->next) - if (!cmd->skip_update) - cmd->error_string = update(cmd); + for (cmd = commands; cmd; cmd = cmd->next) { + if (cmd->error_string) + continue; + + if (cmd->skip_update) + continue; + + cmd->error_string = update(cmd); + } } static struct command *read_head_info(void) diff --git a/builtin/remote.c b/builtin/remote.c index 583eec90e0..fec92bc66e 100644 --- a/builtin/remote.c +++ b/builtin/remote.c @@ -16,7 +16,7 @@ static const char * const builtin_remote_usage[] = { "git remote [-v | --verbose] show [-n] <name>", "git remote prune [-n | --dry-run] <name>", "git remote [-v | --verbose] update [-p | --prune] [(<group> | <remote>)...]", - "git remote set-branches <name> [--add] <branch>...", + "git remote set-branches [--add] <name> <branch>...", "git remote set-url <name> <newurl> [<oldurl>]", "git remote set-url --add <name> <newurl>", "git remote set-url --delete <name> <url>", @@ -534,7 +534,7 @@ static int add_branch_for_removal(const char *refname, } /* don't delete non-remote-tracking refs */ - if (prefixcmp(refname, "refs/remotes")) { + if (prefixcmp(refname, "refs/remotes/")) { /* advise user how to delete local branches */ if (!prefixcmp(refname, "refs/heads/")) string_list_append(branches->skipped, diff --git a/builtin/rev-list.c b/builtin/rev-list.c index ab3be7ca82..4c4d404afc 100644 --- a/builtin/rev-list.c +++ b/builtin/rev-list.c @@ -52,6 +52,11 @@ static void show_commit(struct commit *commit, void *data) struct rev_list_info *info = data; struct rev_info *revs = info->revs; + if (info->flags & REV_LIST_QUIET) { + finish_commit(commit, data); + return; + } + graph_show_commit(revs->graph); if (revs->count) { @@ -172,19 +177,21 @@ static void finish_object(struct object *obj, const struct name_path *path, const char *name, void *cb_data) { + struct rev_list_info *info = cb_data; if (obj->type == OBJ_BLOB && !has_sha1_file(obj->sha1)) die("missing blob object '%s'", sha1_to_hex(obj->sha1)); + if (info->revs->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT) + parse_object(obj->sha1); } static void show_object(struct object *obj, const struct name_path *path, const char *component, void *cb_data) { - struct rev_info *info = cb_data; - + struct rev_list_info *info = cb_data; finish_object(obj, path, component, cb_data); - if (info->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT) - parse_object(obj->sha1); + if (info->flags & REV_LIST_QUIET) + return; show_object_with_name(stdout, obj, path, component); } @@ -242,13 +249,6 @@ void print_commit_list(struct commit_list *list, } } -static void show_tried_revs(struct commit_list *tried) -{ - printf("bisect_tried='"); - print_commit_list(tried, "%s|", "%s"); - printf("'\n"); -} - static void print_var_str(const char *var, const char *val) { printf("%s='%s'\n", var, val); @@ -261,12 +261,12 @@ static void print_var_int(const char *var, int val) static int show_bisect_vars(struct rev_list_info *info, int reaches, int all) { - int cnt, flags = info->bisect_show_flags; + int cnt, flags = info->flags; char hex[41] = ""; struct commit_list *tried; struct rev_info *revs = info->revs; - if (!revs->commits && !(flags & BISECT_SHOW_TRIED)) + if (!revs->commits) return 1; revs->commits = filter_skipped(revs->commits, &tried, @@ -294,9 +294,6 @@ static int show_bisect_vars(struct rev_list_info *info, int reaches, int all) printf("------\n"); } - if (flags & BISECT_SHOW_TRIED) - show_tried_revs(tried); - print_var_str("bisect_rev", hex); print_var_int("bisect_nr", cnt - 1); print_var_int("bisect_good", all - reaches - 1); @@ -315,7 +312,6 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) int bisect_list = 0; int bisect_show_vars = 0; int bisect_find_all = 0; - int quiet = 0; git_config(git_default_config, NULL); init_revisions(&revs, prefix); @@ -328,7 +324,8 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) if (revs.bisect) bisect_list = 1; - quiet = DIFF_OPT_TST(&revs.diffopt, QUICK); + if (DIFF_OPT_TST(&revs.diffopt, QUICK)) + info.flags |= REV_LIST_QUIET; for (i = 1 ; i < argc; i++) { const char *arg = argv[i]; @@ -347,7 +344,7 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) if (!strcmp(arg, "--bisect-all")) { bisect_list = 1; bisect_find_all = 1; - info.bisect_show_flags = BISECT_SHOW_ALL; + info.flags |= BISECT_SHOW_ALL; revs.show_decorations = 1; continue; } @@ -398,10 +395,7 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) return show_bisect_vars(&info, reaches, all); } - traverse_commit_list(&revs, - quiet ? finish_commit : show_commit, - quiet ? finish_object : show_object, - &info); + traverse_commit_list(&revs, show_commit, show_object, &info); if (revs.count) { if (revs.left_right && revs.cherry_mark) diff --git a/builtin/revert.c b/builtin/revert.c index 0d8020cf64..92f3fa5f57 100644 --- a/builtin/revert.c +++ b/builtin/revert.c @@ -1,18 +1,9 @@ #include "cache.h" #include "builtin.h" -#include "object.h" -#include "commit.h" -#include "tag.h" -#include "run-command.h" -#include "exec_cmd.h" -#include "utf8.h" #include "parse-options.h" -#include "cache-tree.h" #include "diff.h" #include "revision.h" #include "rerere.h" -#include "merge-recursive.h" -#include "refs.h" #include "dir.h" #include "sequencer.h" @@ -39,49 +30,14 @@ static const char * const cherry_pick_usage[] = { NULL }; -enum replay_action { REVERT, CHERRY_PICK }; -enum replay_subcommand { - REPLAY_NONE, - REPLAY_REMOVE_STATE, - REPLAY_CONTINUE, - REPLAY_ROLLBACK -}; - -struct replay_opts { - enum replay_action action; - enum replay_subcommand subcommand; - - /* Boolean options */ - int edit; - int record_origin; - int no_commit; - int signoff; - int allow_ff; - int allow_rerere_auto; - - int mainline; - - /* Merge strategy */ - const char *strategy; - const char **xopts; - size_t xopts_nr, xopts_alloc; - - /* Only used by REPLAY_NONE */ - struct rev_info *revs; -}; - -#define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION" - static const char *action_name(const struct replay_opts *opts) { - return opts->action == REVERT ? "revert" : "cherry-pick"; + return opts->action == REPLAY_REVERT ? "revert" : "cherry-pick"; } -static char *get_encoding(const char *message); - static const char * const *revert_or_cherry_pick_usage(struct replay_opts *opts) { - return opts->action == REVERT ? revert_usage : cherry_pick_usage; + return opts->action == REPLAY_REVERT ? revert_usage : cherry_pick_usage; } static int option_parse_x(const struct option *opt, @@ -160,7 +116,7 @@ static void parse_args(int argc, const char **argv, struct replay_opts *opts) OPT_END(), }; - if (opts->action == CHERRY_PICK) { + if (opts->action == REPLAY_PICK) { struct option cp_extra[] = { OPT_BOOLEAN('x', NULL, &opts->record_origin, "append commit name"), OPT_BOOLEAN(0, "ff", &opts->allow_ff, "allow fast-forward"), @@ -225,914 +181,21 @@ static void parse_args(int argc, const char **argv, struct replay_opts *opts) if (opts->subcommand != REPLAY_NONE) { opts->revs = NULL; } else { + struct setup_revision_opt s_r_opt; opts->revs = xmalloc(sizeof(*opts->revs)); init_revisions(opts->revs, NULL); opts->revs->no_walk = 1; if (argc < 2) usage_with_options(usage_str, options); - argc = setup_revisions(argc, argv, opts->revs, NULL); + memset(&s_r_opt, 0, sizeof(s_r_opt)); + s_r_opt.assume_dashdash = 1; + argc = setup_revisions(argc, argv, opts->revs, &s_r_opt); } if (argc > 1) usage_with_options(usage_str, options); } -struct commit_message { - char *parent_label; - const char *label; - const char *subject; - char *reencoded_message; - const char *message; -}; - -static int get_message(struct commit *commit, struct commit_message *out) -{ - const char *encoding; - const char *abbrev, *subject; - int abbrev_len, subject_len; - char *q; - - if (!commit->buffer) - return -1; - encoding = get_encoding(commit->buffer); - if (!encoding) - encoding = "UTF-8"; - if (!git_commit_encoding) - git_commit_encoding = "UTF-8"; - - out->reencoded_message = NULL; - out->message = commit->buffer; - if (strcmp(encoding, git_commit_encoding)) - out->reencoded_message = reencode_string(commit->buffer, - git_commit_encoding, encoding); - if (out->reencoded_message) - out->message = out->reencoded_message; - - abbrev = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV); - abbrev_len = strlen(abbrev); - - subject_len = find_commit_subject(out->message, &subject); - - out->parent_label = xmalloc(strlen("parent of ") + abbrev_len + - strlen("... ") + subject_len + 1); - q = out->parent_label; - q = mempcpy(q, "parent of ", strlen("parent of ")); - out->label = q; - q = mempcpy(q, abbrev, abbrev_len); - q = mempcpy(q, "... ", strlen("... ")); - out->subject = q; - q = mempcpy(q, subject, subject_len); - *q = '\0'; - return 0; -} - -static void free_message(struct commit_message *msg) -{ - free(msg->parent_label); - free(msg->reencoded_message); -} - -static char *get_encoding(const char *message) -{ - const char *p = message, *eol; - - while (*p && *p != '\n') { - for (eol = p + 1; *eol && *eol != '\n'; eol++) - ; /* do nothing */ - if (!prefixcmp(p, "encoding ")) { - char *result = xmalloc(eol - 8 - p); - strlcpy(result, p + 9, eol - 8 - p); - return result; - } - p = eol; - if (*p == '\n') - p++; - } - return NULL; -} - -static void write_cherry_pick_head(struct commit *commit, const char *pseudoref) -{ - const char *filename; - int fd; - struct strbuf buf = STRBUF_INIT; - - strbuf_addf(&buf, "%s\n", sha1_to_hex(commit->object.sha1)); - - filename = git_path("%s", pseudoref); - fd = open(filename, O_WRONLY | O_CREAT, 0666); - if (fd < 0) - die_errno(_("Could not open '%s' for writing"), filename); - if (write_in_full(fd, buf.buf, buf.len) != buf.len || close(fd)) - die_errno(_("Could not write to '%s'"), filename); - strbuf_release(&buf); -} - -static void print_advice(int show_hint) -{ - char *msg = getenv("GIT_CHERRY_PICK_HELP"); - - if (msg) { - fprintf(stderr, "%s\n", msg); - /* - * A conflict has occured but the porcelain - * (typically rebase --interactive) wants to take care - * of the commit itself so remove CHERRY_PICK_HEAD - */ - unlink(git_path("CHERRY_PICK_HEAD")); - return; - } - - if (show_hint) { - advise("after resolving the conflicts, mark the corrected paths"); - advise("with 'git add <paths>' or 'git rm <paths>'"); - advise("and commit the result with 'git commit'"); - } -} - -static void write_message(struct strbuf *msgbuf, const char *filename) -{ - static struct lock_file msg_file; - - int msg_fd = hold_lock_file_for_update(&msg_file, filename, - LOCK_DIE_ON_ERROR); - if (write_in_full(msg_fd, msgbuf->buf, msgbuf->len) < 0) - die_errno(_("Could not write to %s"), filename); - strbuf_release(msgbuf); - if (commit_lock_file(&msg_file) < 0) - die(_("Error wrapping up %s"), filename); -} - -static struct tree *empty_tree(void) -{ - return lookup_tree((const unsigned char *)EMPTY_TREE_SHA1_BIN); -} - -static int error_dirty_index(struct replay_opts *opts) -{ - if (read_cache_unmerged()) - return error_resolve_conflict(action_name(opts)); - - /* Different translation strings for cherry-pick and revert */ - if (opts->action == CHERRY_PICK) - error(_("Your local changes would be overwritten by cherry-pick.")); - else - error(_("Your local changes would be overwritten by revert.")); - - if (advice_commit_before_merge) - advise(_("Commit your changes or stash them to proceed.")); - return -1; -} - -static int fast_forward_to(const unsigned char *to, const unsigned char *from) -{ - struct ref_lock *ref_lock; - - read_cache(); - if (checkout_fast_forward(from, to)) - exit(1); /* the callee should have complained already */ - ref_lock = lock_any_ref_for_update("HEAD", from, 0); - return write_ref_sha1(ref_lock, to, "cherry-pick"); -} - -static int do_recursive_merge(struct commit *base, struct commit *next, - const char *base_label, const char *next_label, - unsigned char *head, struct strbuf *msgbuf, - struct replay_opts *opts) -{ - struct merge_options o; - struct tree *result, *next_tree, *base_tree, *head_tree; - int clean, index_fd; - const char **xopt; - static struct lock_file index_lock; - - index_fd = hold_locked_index(&index_lock, 1); - - read_cache(); - - init_merge_options(&o); - o.ancestor = base ? base_label : "(empty tree)"; - o.branch1 = "HEAD"; - o.branch2 = next ? next_label : "(empty tree)"; - - head_tree = parse_tree_indirect(head); - next_tree = next ? next->tree : empty_tree(); - base_tree = base ? base->tree : empty_tree(); - - for (xopt = opts->xopts; xopt != opts->xopts + opts->xopts_nr; xopt++) - parse_merge_opt(&o, *xopt); - - clean = merge_trees(&o, - head_tree, - next_tree, base_tree, &result); - - if (active_cache_changed && - (write_cache(index_fd, active_cache, active_nr) || - commit_locked_index(&index_lock))) - /* TRANSLATORS: %s will be "revert" or "cherry-pick" */ - die(_("%s: Unable to write new index file"), action_name(opts)); - rollback_lock_file(&index_lock); - - if (!clean) { - int i; - strbuf_addstr(msgbuf, "\nConflicts:\n\n"); - for (i = 0; i < active_nr;) { - struct cache_entry *ce = active_cache[i++]; - if (ce_stage(ce)) { - strbuf_addch(msgbuf, '\t'); - strbuf_addstr(msgbuf, ce->name); - strbuf_addch(msgbuf, '\n'); - while (i < active_nr && !strcmp(ce->name, - active_cache[i]->name)) - i++; - } - } - } - - return !clean; -} - -/* - * If we are cherry-pick, and if the merge did not result in - * hand-editing, we will hit this commit and inherit the original - * author date and name. - * If we are revert, or if our cherry-pick results in a hand merge, - * we had better say that the current user is responsible for that. - */ -static int run_git_commit(const char *defmsg, struct replay_opts *opts) -{ - /* 6 is max possible length of our args array including NULL */ - const char *args[6]; - int i = 0; - - args[i++] = "commit"; - args[i++] = "-n"; - if (opts->signoff) - args[i++] = "-s"; - if (!opts->edit) { - args[i++] = "-F"; - args[i++] = defmsg; - } - args[i] = NULL; - - return run_command_v_opt(args, RUN_GIT_CMD); -} - -static int do_pick_commit(struct commit *commit, struct replay_opts *opts) -{ - unsigned char head[20]; - struct commit *base, *next, *parent; - const char *base_label, *next_label; - struct commit_message msg = { NULL, NULL, NULL, NULL, NULL }; - char *defmsg = NULL; - struct strbuf msgbuf = STRBUF_INIT; - int res; - - if (opts->no_commit) { - /* - * We do not intend to commit immediately. We just want to - * merge the differences in, so let's compute the tree - * that represents the "current" state for merge-recursive - * to work on. - */ - if (write_cache_as_tree(head, 0, NULL)) - die (_("Your index file is unmerged.")); - } else { - if (get_sha1("HEAD", head)) - return error(_("You do not have a valid HEAD")); - if (index_differs_from("HEAD", 0)) - return error_dirty_index(opts); - } - discard_cache(); - - if (!commit->parents) { - parent = NULL; - } - else if (commit->parents->next) { - /* Reverting or cherry-picking a merge commit */ - int cnt; - struct commit_list *p; - - if (!opts->mainline) - return error(_("Commit %s is a merge but no -m option was given."), - sha1_to_hex(commit->object.sha1)); - - for (cnt = 1, p = commit->parents; - cnt != opts->mainline && p; - cnt++) - p = p->next; - if (cnt != opts->mainline || !p) - return error(_("Commit %s does not have parent %d"), - sha1_to_hex(commit->object.sha1), opts->mainline); - parent = p->item; - } else if (0 < opts->mainline) - return error(_("Mainline was specified but commit %s is not a merge."), - sha1_to_hex(commit->object.sha1)); - else - parent = commit->parents->item; - - if (opts->allow_ff && parent && !hashcmp(parent->object.sha1, head)) - return fast_forward_to(commit->object.sha1, head); - - if (parent && parse_commit(parent) < 0) - /* TRANSLATORS: The first %s will be "revert" or - "cherry-pick", the second %s a SHA1 */ - return error(_("%s: cannot parse parent commit %s"), - action_name(opts), sha1_to_hex(parent->object.sha1)); - - if (get_message(commit, &msg) != 0) - return error(_("Cannot get commit message for %s"), - sha1_to_hex(commit->object.sha1)); - - /* - * "commit" is an existing commit. We would want to apply - * the difference it introduces since its first parent "prev" - * on top of the current HEAD if we are cherry-pick. Or the - * reverse of it if we are revert. - */ - - defmsg = git_pathdup("MERGE_MSG"); - - if (opts->action == REVERT) { - base = commit; - base_label = msg.label; - next = parent; - next_label = msg.parent_label; - strbuf_addstr(&msgbuf, "Revert \""); - strbuf_addstr(&msgbuf, msg.subject); - strbuf_addstr(&msgbuf, "\"\n\nThis reverts commit "); - strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1)); - - if (commit->parents && commit->parents->next) { - strbuf_addstr(&msgbuf, ", reversing\nchanges made to "); - strbuf_addstr(&msgbuf, sha1_to_hex(parent->object.sha1)); - } - strbuf_addstr(&msgbuf, ".\n"); - } else { - const char *p; - - base = parent; - base_label = msg.parent_label; - next = commit; - next_label = msg.label; - - /* - * Append the commit log message to msgbuf; it starts - * after the tree, parent, author, committer - * information followed by "\n\n". - */ - p = strstr(msg.message, "\n\n"); - if (p) { - p += 2; - strbuf_addstr(&msgbuf, p); - } - - if (opts->record_origin) { - strbuf_addstr(&msgbuf, "(cherry picked from commit "); - strbuf_addstr(&msgbuf, sha1_to_hex(commit->object.sha1)); - strbuf_addstr(&msgbuf, ")\n"); - } - } - - if (!opts->strategy || !strcmp(opts->strategy, "recursive") || opts->action == REVERT) { - res = do_recursive_merge(base, next, base_label, next_label, - head, &msgbuf, opts); - write_message(&msgbuf, defmsg); - } else { - struct commit_list *common = NULL; - struct commit_list *remotes = NULL; - - write_message(&msgbuf, defmsg); - - commit_list_insert(base, &common); - commit_list_insert(next, &remotes); - res = try_merge_command(opts->strategy, opts->xopts_nr, opts->xopts, - common, sha1_to_hex(head), remotes); - free_commit_list(common); - free_commit_list(remotes); - } - - /* - * If the merge was clean or if it failed due to conflict, we write - * CHERRY_PICK_HEAD for the subsequent invocation of commit to use. - * However, if the merge did not even start, then we don't want to - * write it at all. - */ - if (opts->action == CHERRY_PICK && !opts->no_commit && (res == 0 || res == 1)) - write_cherry_pick_head(commit, "CHERRY_PICK_HEAD"); - if (opts->action == REVERT && ((opts->no_commit && res == 0) || res == 1)) - write_cherry_pick_head(commit, "REVERT_HEAD"); - - if (res) { - error(opts->action == REVERT - ? _("could not revert %s... %s") - : _("could not apply %s... %s"), - find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV), - msg.subject); - print_advice(res == 1); - rerere(opts->allow_rerere_auto); - } else { - if (!opts->no_commit) - res = run_git_commit(defmsg, opts); - } - - free_message(&msg); - free(defmsg); - - return res; -} - -static void prepare_revs(struct replay_opts *opts) -{ - if (opts->action != REVERT) - opts->revs->reverse ^= 1; - - if (prepare_revision_walk(opts->revs)) - die(_("revision walk setup failed")); - - if (!opts->revs->commits) - die(_("empty commit set passed")); -} - -static void read_and_refresh_cache(struct replay_opts *opts) -{ - static struct lock_file index_lock; - int index_fd = hold_locked_index(&index_lock, 0); - if (read_index_preload(&the_index, NULL) < 0) - die(_("git %s: failed to read the index"), action_name(opts)); - refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, NULL, NULL, NULL); - if (the_index.cache_changed) { - if (write_index(&the_index, index_fd) || - commit_locked_index(&index_lock)) - die(_("git %s: failed to refresh the index"), action_name(opts)); - } - rollback_lock_file(&index_lock); -} - -/* - * Append a commit to the end of the commit_list. - * - * next starts by pointing to the variable that holds the head of an - * empty commit_list, and is updated to point to the "next" field of - * the last item on the list as new commits are appended. - * - * Usage example: - * - * struct commit_list *list; - * struct commit_list **next = &list; - * - * next = commit_list_append(c1, next); - * next = commit_list_append(c2, next); - * assert(commit_list_count(list) == 2); - * return list; - */ -static struct commit_list **commit_list_append(struct commit *commit, - struct commit_list **next) -{ - struct commit_list *new = xmalloc(sizeof(struct commit_list)); - new->item = commit; - *next = new; - new->next = NULL; - return &new->next; -} - -static int format_todo(struct strbuf *buf, struct commit_list *todo_list, - struct replay_opts *opts) -{ - struct commit_list *cur = NULL; - const char *sha1_abbrev = NULL; - const char *action_str = opts->action == REVERT ? "revert" : "pick"; - const char *subject; - int subject_len; - - for (cur = todo_list; cur; cur = cur->next) { - sha1_abbrev = find_unique_abbrev(cur->item->object.sha1, DEFAULT_ABBREV); - subject_len = find_commit_subject(cur->item->buffer, &subject); - strbuf_addf(buf, "%s %s %.*s\n", action_str, sha1_abbrev, - subject_len, subject); - } - return 0; -} - -static struct commit *parse_insn_line(char *bol, char *eol, struct replay_opts *opts) -{ - unsigned char commit_sha1[20]; - enum replay_action action; - char *end_of_object_name; - int saved, status, padding; - - if (!prefixcmp(bol, "pick")) { - action = CHERRY_PICK; - bol += strlen("pick"); - } else if (!prefixcmp(bol, "revert")) { - action = REVERT; - bol += strlen("revert"); - } else - return NULL; - - /* Eat up extra spaces/ tabs before object name */ - padding = strspn(bol, " \t"); - if (!padding) - return NULL; - bol += padding; - - end_of_object_name = bol + strcspn(bol, " \t\n"); - saved = *end_of_object_name; - *end_of_object_name = '\0'; - status = get_sha1(bol, commit_sha1); - *end_of_object_name = saved; - - /* - * Verify that the action matches up with the one in - * opts; we don't support arbitrary instructions - */ - if (action != opts->action) { - const char *action_str; - action_str = action == REVERT ? "revert" : "cherry-pick"; - error(_("Cannot %s during a %s"), action_str, action_name(opts)); - return NULL; - } - - if (status < 0) - return NULL; - - return lookup_commit_reference(commit_sha1); -} - -static int parse_insn_buffer(char *buf, struct commit_list **todo_list, - struct replay_opts *opts) -{ - struct commit_list **next = todo_list; - struct commit *commit; - char *p = buf; - int i; - - for (i = 1; *p; i++) { - char *eol = strchrnul(p, '\n'); - commit = parse_insn_line(p, eol, opts); - if (!commit) - return error(_("Could not parse line %d."), i); - next = commit_list_append(commit, next); - p = *eol ? eol + 1 : eol; - } - if (!*todo_list) - return error(_("No commits parsed.")); - return 0; -} - -static void read_populate_todo(struct commit_list **todo_list, - struct replay_opts *opts) -{ - const char *todo_file = git_path(SEQ_TODO_FILE); - struct strbuf buf = STRBUF_INIT; - int fd, res; - - fd = open(todo_file, O_RDONLY); - if (fd < 0) - die_errno(_("Could not open %s"), todo_file); - if (strbuf_read(&buf, fd, 0) < 0) { - close(fd); - strbuf_release(&buf); - die(_("Could not read %s."), todo_file); - } - close(fd); - - res = parse_insn_buffer(buf.buf, todo_list, opts); - strbuf_release(&buf); - if (res) - die(_("Unusable instruction sheet: %s"), todo_file); -} - -static int populate_opts_cb(const char *key, const char *value, void *data) -{ - struct replay_opts *opts = data; - int error_flag = 1; - - if (!value) - error_flag = 0; - else if (!strcmp(key, "options.no-commit")) - opts->no_commit = git_config_bool_or_int(key, value, &error_flag); - else if (!strcmp(key, "options.edit")) - opts->edit = git_config_bool_or_int(key, value, &error_flag); - else if (!strcmp(key, "options.signoff")) - opts->signoff = git_config_bool_or_int(key, value, &error_flag); - else if (!strcmp(key, "options.record-origin")) - opts->record_origin = git_config_bool_or_int(key, value, &error_flag); - else if (!strcmp(key, "options.allow-ff")) - opts->allow_ff = git_config_bool_or_int(key, value, &error_flag); - else if (!strcmp(key, "options.mainline")) - opts->mainline = git_config_int(key, value); - else if (!strcmp(key, "options.strategy")) - git_config_string(&opts->strategy, key, value); - else if (!strcmp(key, "options.strategy-option")) { - ALLOC_GROW(opts->xopts, opts->xopts_nr + 1, opts->xopts_alloc); - opts->xopts[opts->xopts_nr++] = xstrdup(value); - } else - return error(_("Invalid key: %s"), key); - - if (!error_flag) - return error(_("Invalid value for %s: %s"), key, value); - - return 0; -} - -static void read_populate_opts(struct replay_opts **opts_ptr) -{ - const char *opts_file = git_path(SEQ_OPTS_FILE); - - if (!file_exists(opts_file)) - return; - if (git_config_from_file(populate_opts_cb, opts_file, *opts_ptr) < 0) - die(_("Malformed options sheet: %s"), opts_file); -} - -static void walk_revs_populate_todo(struct commit_list **todo_list, - struct replay_opts *opts) -{ - struct commit *commit; - struct commit_list **next; - - prepare_revs(opts); - - next = todo_list; - while ((commit = get_revision(opts->revs))) - next = commit_list_append(commit, next); -} - -static int create_seq_dir(void) -{ - const char *seq_dir = git_path(SEQ_DIR); - - if (file_exists(seq_dir)) { - error(_("a cherry-pick or revert is already in progress")); - advise(_("try \"git cherry-pick (--continue | --quit | --abort)\"")); - return -1; - } - else if (mkdir(seq_dir, 0777) < 0) - die_errno(_("Could not create sequencer directory %s"), seq_dir); - return 0; -} - -static void save_head(const char *head) -{ - const char *head_file = git_path(SEQ_HEAD_FILE); - static struct lock_file head_lock; - struct strbuf buf = STRBUF_INIT; - int fd; - - fd = hold_lock_file_for_update(&head_lock, head_file, LOCK_DIE_ON_ERROR); - strbuf_addf(&buf, "%s\n", head); - if (write_in_full(fd, buf.buf, buf.len) < 0) - die_errno(_("Could not write to %s"), head_file); - if (commit_lock_file(&head_lock) < 0) - die(_("Error wrapping up %s."), head_file); -} - -static int reset_for_rollback(const unsigned char *sha1) -{ - const char *argv[4]; /* reset --merge <arg> + NULL */ - argv[0] = "reset"; - argv[1] = "--merge"; - argv[2] = sha1_to_hex(sha1); - argv[3] = NULL; - return run_command_v_opt(argv, RUN_GIT_CMD); -} - -static int rollback_single_pick(void) -{ - unsigned char head_sha1[20]; - - if (!file_exists(git_path("CHERRY_PICK_HEAD")) && - !file_exists(git_path("REVERT_HEAD"))) - return error(_("no cherry-pick or revert in progress")); - if (read_ref_full("HEAD", head_sha1, 0, NULL)) - return error(_("cannot resolve HEAD")); - if (is_null_sha1(head_sha1)) - return error(_("cannot abort from a branch yet to be born")); - return reset_for_rollback(head_sha1); -} - -static int sequencer_rollback(struct replay_opts *opts) -{ - const char *filename; - FILE *f; - unsigned char sha1[20]; - struct strbuf buf = STRBUF_INIT; - - filename = git_path(SEQ_HEAD_FILE); - f = fopen(filename, "r"); - if (!f && errno == ENOENT) { - /* - * There is no multiple-cherry-pick in progress. - * If CHERRY_PICK_HEAD or REVERT_HEAD indicates - * a single-cherry-pick in progress, abort that. - */ - return rollback_single_pick(); - } - if (!f) - return error(_("cannot open %s: %s"), filename, - strerror(errno)); - if (strbuf_getline(&buf, f, '\n')) { - error(_("cannot read %s: %s"), filename, ferror(f) ? - strerror(errno) : _("unexpected end of file")); - fclose(f); - goto fail; - } - fclose(f); - if (get_sha1_hex(buf.buf, sha1) || buf.buf[40] != '\0') { - error(_("stored pre-cherry-pick HEAD file '%s' is corrupt"), - filename); - goto fail; - } - if (reset_for_rollback(sha1)) - goto fail; - remove_sequencer_state(); - strbuf_release(&buf); - return 0; -fail: - strbuf_release(&buf); - return -1; -} - -static void save_todo(struct commit_list *todo_list, struct replay_opts *opts) -{ - const char *todo_file = git_path(SEQ_TODO_FILE); - static struct lock_file todo_lock; - struct strbuf buf = STRBUF_INIT; - int fd; - - fd = hold_lock_file_for_update(&todo_lock, todo_file, LOCK_DIE_ON_ERROR); - if (format_todo(&buf, todo_list, opts) < 0) - die(_("Could not format %s."), todo_file); - if (write_in_full(fd, buf.buf, buf.len) < 0) { - strbuf_release(&buf); - die_errno(_("Could not write to %s"), todo_file); - } - if (commit_lock_file(&todo_lock) < 0) { - strbuf_release(&buf); - die(_("Error wrapping up %s."), todo_file); - } - strbuf_release(&buf); -} - -static void save_opts(struct replay_opts *opts) -{ - const char *opts_file = git_path(SEQ_OPTS_FILE); - - if (opts->no_commit) - git_config_set_in_file(opts_file, "options.no-commit", "true"); - if (opts->edit) - git_config_set_in_file(opts_file, "options.edit", "true"); - if (opts->signoff) - git_config_set_in_file(opts_file, "options.signoff", "true"); - if (opts->record_origin) - git_config_set_in_file(opts_file, "options.record-origin", "true"); - if (opts->allow_ff) - git_config_set_in_file(opts_file, "options.allow-ff", "true"); - if (opts->mainline) { - struct strbuf buf = STRBUF_INIT; - strbuf_addf(&buf, "%d", opts->mainline); - git_config_set_in_file(opts_file, "options.mainline", buf.buf); - strbuf_release(&buf); - } - if (opts->strategy) - git_config_set_in_file(opts_file, "options.strategy", opts->strategy); - if (opts->xopts) { - int i; - for (i = 0; i < opts->xopts_nr; i++) - git_config_set_multivar_in_file(opts_file, - "options.strategy-option", - opts->xopts[i], "^$", 0); - } -} - -static int pick_commits(struct commit_list *todo_list, struct replay_opts *opts) -{ - struct commit_list *cur; - int res; - - setenv(GIT_REFLOG_ACTION, action_name(opts), 0); - if (opts->allow_ff) - assert(!(opts->signoff || opts->no_commit || - opts->record_origin || opts->edit)); - read_and_refresh_cache(opts); - - for (cur = todo_list; cur; cur = cur->next) { - save_todo(cur, opts); - res = do_pick_commit(cur->item, opts); - if (res) - return res; - } - - /* - * Sequence of picks finished successfully; cleanup by - * removing the .git/sequencer directory - */ - remove_sequencer_state(); - return 0; -} - -static int continue_single_pick(void) -{ - const char *argv[] = { "commit", NULL }; - - if (!file_exists(git_path("CHERRY_PICK_HEAD")) && - !file_exists(git_path("REVERT_HEAD"))) - return error(_("no cherry-pick or revert in progress")); - return run_command_v_opt(argv, RUN_GIT_CMD); -} - -static int sequencer_continue(struct replay_opts *opts) -{ - struct commit_list *todo_list = NULL; - - if (!file_exists(git_path(SEQ_TODO_FILE))) - return continue_single_pick(); - read_populate_opts(&opts); - read_populate_todo(&todo_list, opts); - - /* Verify that the conflict has been resolved */ - if (file_exists(git_path("CHERRY_PICK_HEAD")) || - file_exists(git_path("REVERT_HEAD"))) { - int ret = continue_single_pick(); - if (ret) - return ret; - } - if (index_differs_from("HEAD", 0)) - return error_dirty_index(opts); - todo_list = todo_list->next; - return pick_commits(todo_list, opts); -} - -static int single_pick(struct commit *cmit, struct replay_opts *opts) -{ - setenv(GIT_REFLOG_ACTION, action_name(opts), 0); - return do_pick_commit(cmit, opts); -} - -static int pick_revisions(struct replay_opts *opts) -{ - struct commit_list *todo_list = NULL; - unsigned char sha1[20]; - - if (opts->subcommand == REPLAY_NONE) - assert(opts->revs); - - read_and_refresh_cache(opts); - - /* - * Decide what to do depending on the arguments; a fresh - * cherry-pick should be handled differently from an existing - * one that is being continued - */ - if (opts->subcommand == REPLAY_REMOVE_STATE) { - remove_sequencer_state(); - return 0; - } - if (opts->subcommand == REPLAY_ROLLBACK) - return sequencer_rollback(opts); - if (opts->subcommand == REPLAY_CONTINUE) - return sequencer_continue(opts); - - /* - * If we were called as "git cherry-pick <commit>", just - * cherry-pick/revert it, set CHERRY_PICK_HEAD / - * REVERT_HEAD, and don't touch the sequencer state. - * This means it is possible to cherry-pick in the middle - * of a cherry-pick sequence. - */ - if (opts->revs->cmdline.nr == 1 && - opts->revs->cmdline.rev->whence == REV_CMD_REV && - opts->revs->no_walk && - !opts->revs->cmdline.rev->flags) { - struct commit *cmit; - if (prepare_revision_walk(opts->revs)) - die(_("revision walk setup failed")); - cmit = get_revision(opts->revs); - if (!cmit || get_revision(opts->revs)) - die("BUG: expected exactly one commit from walk"); - return single_pick(cmit, opts); - } - - /* - * Start a new cherry-pick/ revert sequence; but - * first, make sure that an existing one isn't in - * progress - */ - - walk_revs_populate_todo(&todo_list, opts); - if (create_seq_dir() < 0) - return -1; - if (get_sha1("HEAD", sha1)) { - if (opts->action == REVERT) - return error(_("Can't revert as initial commit")); - return error(_("Can't cherry-pick into empty head")); - } - save_head(sha1_to_hex(sha1)); - save_opts(opts); - return pick_commits(todo_list, opts); -} - int cmd_revert(int argc, const char **argv, const char *prefix) { struct replay_opts opts; @@ -1141,10 +204,10 @@ int cmd_revert(int argc, const char **argv, const char *prefix) memset(&opts, 0, sizeof(opts)); if (isatty(0)) opts.edit = 1; - opts.action = REVERT; + opts.action = REPLAY_REVERT; git_config(git_default_config, NULL); parse_args(argc, argv, &opts); - res = pick_revisions(&opts); + res = sequencer_pick_revisions(&opts); if (res < 0) die(_("revert failed")); return res; @@ -1156,10 +219,10 @@ int cmd_cherry_pick(int argc, const char **argv, const char *prefix) int res; memset(&opts, 0, sizeof(opts)); - opts.action = CHERRY_PICK; + opts.action = REPLAY_PICK; git_config(git_default_config, NULL); parse_args(argc, argv, &opts); - res = pick_revisions(&opts); + res = sequencer_pick_revisions(&opts); if (res < 0) die(_("cherry-pick failed")); return res; diff --git a/builtin/symbolic-ref.c b/builtin/symbolic-ref.c index 2ef5962386..801d62ece5 100644 --- a/builtin/symbolic-ref.c +++ b/builtin/symbolic-ref.c @@ -8,13 +8,15 @@ static const char * const git_symbolic_ref_usage[] = { NULL }; +static int shorten; + static void check_symref(const char *HEAD, int quiet) { unsigned char sha1[20]; int flag; - const char *refs_heads_master = resolve_ref_unsafe(HEAD, sha1, 0, &flag); + const char *refname = resolve_ref_unsafe(HEAD, sha1, 0, &flag); - if (!refs_heads_master) + if (!refname) die("No such ref: %s", HEAD); else if (!(flag & REF_ISSYMREF)) { if (!quiet) @@ -22,7 +24,9 @@ static void check_symref(const char *HEAD, int quiet) else exit(1); } - puts(refs_heads_master); + if (shorten) + refname = shorten_unambiguous_ref(refname, 0); + puts(refname); } int cmd_symbolic_ref(int argc, const char **argv, const char *prefix) @@ -32,6 +36,7 @@ int cmd_symbolic_ref(int argc, const char **argv, const char *prefix) struct option options[] = { OPT__QUIET(&quiet, "suppress error message for non-symbolic (detached) refs"), + OPT_BOOL(0, "short", &shorten, "shorten ref output"), OPT_STRING('m', NULL, &msg, "reason", "reason of the update"), OPT_END(), }; diff --git a/builtin/tag.c b/builtin/tag.c index 31f02e80f6..fe7e5e5b3d 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -15,11 +15,13 @@ #include "diff.h" #include "revision.h" #include "gpg-interface.h" +#include "sha1-array.h" static const char * const git_tag_usage[] = { "git tag [-a|-s|-u <key-id>] [-f] [-m <msg>|-F <file>] <tagname> [<head>]", "git tag -d <tagname>...", - "git tag -l [-n[<num>]] [<pattern>...]", + "git tag -l [-n[<num>]] [--contains <commit>] [--points-at <object>] " + "\n\t\t[<pattern>...]", "git tag -v <tagname>...", NULL }; @@ -30,6 +32,8 @@ struct tag_filter { struct commit_list *with_commit; }; +static struct sha1_array points_at; + static int match_pattern(const char **patterns, const char *ref) { /* no pattern means match everything */ @@ -41,6 +45,24 @@ static int match_pattern(const char **patterns, const char *ref) return 0; } +static const unsigned char *match_points_at(const char *refname, + const unsigned char *sha1) +{ + const unsigned char *tagged_sha1 = NULL; + struct object *obj; + + if (sha1_array_lookup(&points_at, sha1) >= 0) + return sha1; + obj = parse_object(sha1); + if (!obj) + die(_("malformed object at '%s'"), refname); + if (obj->type == OBJ_TAG) + tagged_sha1 = ((struct tag *)obj)->tagged->sha1; + if (tagged_sha1 && sha1_array_lookup(&points_at, tagged_sha1) >= 0) + return tagged_sha1; + return NULL; +} + static int in_commit_list(const struct commit_list *want, struct commit *c) { for (; want; want = want->next) @@ -83,18 +105,51 @@ static int contains(struct commit *candidate, const struct commit_list *want) return contains_recurse(candidate, want); } +static void show_tag_lines(const unsigned char *sha1, int lines) +{ + int i; + unsigned long size; + enum object_type type; + char *buf, *sp, *eol; + size_t len; + + buf = read_sha1_file(sha1, &type, &size); + if (!buf) + die_errno("unable to read object %s", sha1_to_hex(sha1)); + if (type != OBJ_COMMIT && type != OBJ_TAG) + goto free_return; + if (!size) + die("an empty %s object %s?", + typename(type), sha1_to_hex(sha1)); + + /* skip header */ + sp = strstr(buf, "\n\n"); + if (!sp) + goto free_return; + + /* only take up to "lines" lines, and strip the signature from a tag */ + if (type == OBJ_TAG) + size = parse_signature(buf, size); + for (i = 0, sp += 2; i < lines && sp < buf + size; i++) { + if (i) + printf("\n "); + eol = memchr(sp, '\n', size - (sp - buf)); + len = eol ? eol - sp : size - (sp - buf); + fwrite(sp, len, 1, stdout); + if (!eol) + break; + sp = eol + 1; + } +free_return: + free(buf); +} + static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data) { struct tag_filter *filter = cb_data; if (match_pattern(filter->patterns, refname)) { - int i; - unsigned long size; - enum object_type type; - char *buf, *sp, *eol; - size_t len; - if (filter->with_commit) { struct commit *commit; @@ -105,38 +160,16 @@ static int show_reference(const char *refname, const unsigned char *sha1, return 0; } + if (points_at.nr && !match_points_at(refname, sha1)) + return 0; + if (!filter->lines) { printf("%s\n", refname); return 0; } printf("%-15s ", refname); - - buf = read_sha1_file(sha1, &type, &size); - if (!buf || !size) - return 0; - - /* skip header */ - sp = strstr(buf, "\n\n"); - if (!sp) { - free(buf); - return 0; - } - /* only take up to "lines" lines, and strip the signature */ - size = parse_signature(buf, size); - for (i = 0, sp += 2; - i < filter->lines && sp < buf + size; - i++) { - if (i) - printf("\n "); - eol = memchr(sp, '\n', size - (sp - buf)); - len = eol ? eol - sp : size - (sp - buf); - fwrite(sp, len, 1, stdout); - if (!eol) - break; - sp = eol + 1; - } + show_tag_lines(sha1, filter->lines); putchar('\n'); - free(buf); } return 0; @@ -375,6 +408,23 @@ static int strbuf_check_tag_ref(struct strbuf *sb, const char *name) return check_refname_format(sb->buf, 0); } +static int parse_opt_points_at(const struct option *opt __attribute__((unused)), + const char *arg, int unset) +{ + unsigned char sha1[20]; + + if (unset) { + sha1_array_clear(&points_at); + return 0; + } + if (!arg) + return error(_("switch 'points-at' requires an object")); + if (get_sha1(arg, sha1)) + return error(_("malformed object name '%s'"), arg); + sha1_array_append(&points_at, sha1); + return 0; +} + int cmd_tag(int argc, const char **argv, const char *prefix) { struct strbuf buf = STRBUF_INIT; @@ -417,6 +467,10 @@ int cmd_tag(int argc, const char **argv, const char *prefix) PARSE_OPT_LASTARG_DEFAULT, parse_opt_with_commit, (intptr_t)"HEAD", }, + { + OPTION_CALLBACK, 0, "points-at", NULL, "object", + "print only tags of the object", 0, parse_opt_points_at + }, OPT_END() }; @@ -448,6 +502,8 @@ int cmd_tag(int argc, const char **argv, const char *prefix) die(_("-n option is only allowed with -l.")); if (with_commit) die(_("--contains option is only allowed with -l.")); + if (points_at.nr) + die(_("--points-at option is only allowed with -l.")); if (delete) return for_each_tag_name(argv, delete_tag); if (verify) diff --git a/builtin/verify-tag.c b/builtin/verify-tag.c index 28c2174338..986789f706 100644 --- a/builtin/verify-tag.c +++ b/builtin/verify-tag.c @@ -58,6 +58,14 @@ static int verify_tag(const char *name, int verbose) return ret; } +static int git_verify_tag_config(const char *var, const char *value, void *cb) +{ + int status = git_gpg_config(var, value, cb); + if (status) + return status; + return git_default_config(var, value, cb); +} + int cmd_verify_tag(int argc, const char **argv, const char *prefix) { int i = 1, verbose = 0, had_error = 0; @@ -66,7 +74,7 @@ int cmd_verify_tag(int argc, const char **argv, const char *prefix) OPT_END() }; - git_config(git_default_config, NULL); + git_config(git_verify_tag_config, NULL); argc = parse_options(argc, argv, prefix, verify_tag_options, verify_tag_usage, PARSE_OPT_KEEP_ARGV0); 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