diff options
Diffstat (limited to 'builtin')
-rw-r--r-- | builtin/clone.c | 55 | ||||
-rw-r--r-- | builtin/commit-tree.c | 25 | ||||
-rw-r--r-- | builtin/commit.c | 16 | ||||
-rw-r--r-- | builtin/config.c | 2 | ||||
-rw-r--r-- | builtin/diff.c | 12 | ||||
-rw-r--r-- | builtin/fast-export.c | 4 | ||||
-rw-r--r-- | builtin/fetch.c | 162 | ||||
-rw-r--r-- | builtin/index-pack.c | 170 | ||||
-rw-r--r-- | builtin/mailinfo.c | 11 | ||||
-rw-r--r-- | builtin/merge.c | 16 | ||||
-rw-r--r-- | builtin/pack-objects.c | 9 | ||||
-rw-r--r-- | builtin/receive-pack.c | 70 | ||||
-rw-r--r-- | builtin/remote.c | 2 | ||||
-rw-r--r-- | builtin/revert.c | 952 | ||||
-rw-r--r-- | builtin/send-pack.c | 13 |
15 files changed, 382 insertions, 1137 deletions
diff --git a/builtin/clone.c b/builtin/clone.c index 86db954730..9084febb14 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; @@ -48,6 +48,7 @@ static int option_verbosity; static int option_progress; static struct string_list option_config; static struct string_list option_reference; +static const char *src_ref_prefix = "refs/heads/"; static int opt_parse_reference(const struct option *opt, const char *arg, int unset) { @@ -92,6 +93,8 @@ 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", @@ -427,8 +430,28 @@ 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 { + struct strbuf sb = STRBUF_INIT; + strbuf_addstr(&sb, src_ref_prefix); + strbuf_addstr(&sb, option_branch); + remote_head = find_ref_by_name(refs, sb.buf); + strbuf_release(&sb); + } + + 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); + } 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 +464,25 @@ 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 int write_one_config(const char *key, const char *value, void *data) @@ -478,7 +515,6 @@ int cmd_clone(int argc, const char **argv, const char *prefix) 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; struct refspec *refspec; @@ -498,6 +534,9 @@ 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; @@ -645,6 +684,8 @@ 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); @@ -663,6 +704,8 @@ int cmd_clone(int argc, const char **argv, const char *prefix) clear_extra_refs(); write_remote_refs(mapped_refs); + if (option_single_branch) + write_followtags(refs, reflog_msg.buf); remote_head = find_ref_by_name(refs, "HEAD"); remote_head_points_at = diff --git a/builtin/commit-tree.c b/builtin/commit-tree.c index 05353c30f2..164b655df9 100644 --- a/builtin/commit-tree.c +++ b/builtin/commit-tree.c @@ -8,8 +8,9 @@ #include "tree.h" #include "builtin.h" #include "utf8.h" +#include "gpg-interface.h" -static const char commit_tree_usage[] = "git commit-tree [(-p <sha1>)...] [-m <message>] [-F <file>] <sha1> <changelog"; +static const char commit_tree_usage[] = "git commit-tree [(-p <sha1>)...] [-S<signer>] [-m <message>] [-F <file>] <sha1> <changelog"; static void new_parent(struct commit *parent, struct commit_list **parents_p) { @@ -25,6 +26,14 @@ static void new_parent(struct commit *parent, struct commit_list **parents_p) commit_list_insert(parent, parents_p); } +static int commit_tree_config(const char *var, const char *value, void *cb) +{ + int status = git_gpg_config(var, value, NULL); + if (status) + return status; + return git_default_config(var, value, cb); +} + int cmd_commit_tree(int argc, const char **argv, const char *prefix) { int i, got_tree = 0; @@ -32,12 +41,16 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) unsigned char tree_sha1[20]; unsigned char commit_sha1[20]; struct strbuf buffer = STRBUF_INIT; + const char *sign_commit = NULL; - git_config(git_default_config, NULL); + git_config(commit_tree_config, NULL); if (argc < 2 || !strcmp(argv[1], "-h")) usage(commit_tree_usage); + if (get_sha1(argv[1], tree_sha1)) + die("Not a valid object name %s", argv[1]); + for (i = 1; i < argc; i++) { const char *arg = argv[i]; if (!strcmp(arg, "-p")) { @@ -51,6 +64,11 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) continue; } + if (!memcmp(arg, "-S", 2)) { + sign_commit = arg + 2; + continue; + } + if (!strcmp(arg, "-m")) { if (argc <= ++i) usage(commit_tree_usage); @@ -98,7 +116,8 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) die_errno("git commit-tree: failed to read"); } - if (commit_tree(&buffer, tree_sha1, parents, commit_sha1, NULL)) { + if (commit_tree(&buffer, tree_sha1, parents, commit_sha1, + NULL, sign_commit)) { strbuf_release(&buffer); return 1; } diff --git a/builtin/commit.c b/builtin/commit.c index 3069041b80..eba1377eb3 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -26,6 +26,7 @@ #include "unpack-trees.h" #include "quote.h" #include "submodule.h" +#include "gpg-interface.h" static const char * const builtin_commit_usage[] = { "git commit [options] [--] <filepattern>...", @@ -86,6 +87,8 @@ static int edit_flag = -1; /* unspecified */ static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship; static int no_post_rewrite, allow_empty_message; static char *untracked_files_arg, *force_date, *ignore_submodule_arg; +static char *sign_commit; + /* * The default commit message cleanup mode will remove the lines * beginning with # (shell comments) and leading and trailing @@ -104,7 +107,7 @@ static enum commit_whence whence; static int use_editor = 1, include_status = 1; static int show_ignored_in_status; static const char *only_include_assumed; -static struct strbuf message; +static struct strbuf message = STRBUF_INIT; static int null_termination; static enum { @@ -145,6 +148,8 @@ static struct option builtin_commit_options[] = { OPT_BOOL('e', "edit", &edit_flag, "force edit of commit"), OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"), OPT_BOOLEAN(0, "status", &include_status, "include status in commit message template"), + { OPTION_STRING, 'S', "gpg-sign", &sign_commit, "key id", + "GPG sign commit", PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, /* end commit message options */ OPT_GROUP("Commit contents options"), @@ -1325,6 +1330,7 @@ static void print_summary(const char *prefix, const unsigned char *sha1, static int git_commit_config(const char *k, const char *v, void *cb) { struct wt_status *s = cb; + int status; if (!strcmp(k, "commit.template")) return git_config_pathname(&template_file, k, v); @@ -1333,6 +1339,9 @@ static int git_commit_config(const char *k, const char *v, void *cb) return 0; } + status = git_gpg_config(k, v, NULL); + if (status) + return status; return git_status_config(k, v, s); } @@ -1486,14 +1495,15 @@ int cmd_commit(int argc, const char **argv, const char *prefix) } if (amend) { - extra = read_commit_extra_headers(current_head); + const char *exclude_gpgsig[2] = { "gpgsig", NULL }; + extra = read_commit_extra_headers(current_head, exclude_gpgsig); } else { struct commit_extra_header **tail = &extra; append_merge_tag_headers(parents, &tail); } if (commit_tree_extended(&sb, active_cache_tree->sha1, parents, sha1, - author_ident.buf, extra)) { + author_ident.buf, sign_commit, extra)) { rollback_index_files(); die(_("failed to write commit object")); } diff --git a/builtin/config.c b/builtin/config.c index 0315ad76f8..d35c06ae51 100644 --- a/builtin/config.c +++ b/builtin/config.c @@ -444,7 +444,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) ret = git_config_set(argv[0], value); if (ret == CONFIG_NOTHING_SET) error("cannot overwrite multiple values with a single value\n" - " Use a regexp, --add or --set-all to change %s.", argv[0]); + " Use a regexp, --add or --replace-all to change %s.", argv[0]); return ret; } else if (actions == ACTION_SET_ALL) { diff --git a/builtin/diff.c b/builtin/diff.c index 0fe638fc45..387afa7568 100644 --- a/builtin/diff.c +++ b/builtin/diff.c @@ -14,6 +14,7 @@ #include "log-tree.h" #include "builtin.h" #include "submodule.h" +#include "sha1-array.h" struct blobinfo { unsigned char sha1[20]; @@ -169,7 +170,7 @@ static int builtin_diff_combined(struct rev_info *revs, struct object_array_entry *ent, int ents) { - const unsigned char (*parent)[20]; + struct sha1_array parents = SHA1_ARRAY_INIT; int i; if (argc > 1) @@ -177,12 +178,11 @@ static int builtin_diff_combined(struct rev_info *revs, if (!revs->dense_combined_merges && !revs->combine_merges) revs->dense_combined_merges = revs->combine_merges = 1; - parent = xmalloc(ents * sizeof(*parent)); - for (i = 0; i < ents; i++) - hashcpy((unsigned char *)(parent + i), ent[i].item->sha1); - diff_tree_combined(parent[0], parent + 1, ents - 1, + for (i = 1; i < ents; i++) + sha1_array_append(&parents, ent[i].item->sha1); + diff_tree_combined(ent[0].item->sha1, &parents, revs->dense_combined_merges, revs); - free((void *)parent); + sha1_array_clear(&parents); return 0; } diff --git a/builtin/fast-export.c b/builtin/fast-export.c index 9836e6b7ca..08fed989a4 100644 --- a/builtin/fast-export.c +++ b/builtin/fast-export.c @@ -25,7 +25,7 @@ static const char *fast_export_usage[] = { static int progress; static enum { ABORT, VERBATIM, WARN, STRIP } signed_tag_mode = ABORT; -static enum { ERROR, DROP, REWRITE } tag_of_filtered_mode = ABORT; +static enum { ERROR, DROP, REWRITE } tag_of_filtered_mode = ERROR; static int fake_missing_tagger; static int use_done_feature; static int no_data; @@ -51,7 +51,7 @@ static int parse_opt_tag_of_filtered_mode(const struct option *opt, const char *arg, int unset) { if (unset || !strcmp(arg, "abort")) - tag_of_filtered_mode = ABORT; + tag_of_filtered_mode = ERROR; else if (!strcmp(arg, "drop")) tag_of_filtered_mode = DROP; else if (!strcmp(arg, "rewrite")) diff --git a/builtin/fetch.c b/builtin/fetch.c index 33ad3aad2c..ab186332fa 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -377,6 +377,7 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, const char *what, *kind; struct ref *rm; char *url, *filename = dry_run ? "/dev/null" : git_path("FETCH_HEAD"); + int want_merge; fp = fopen(filename, "a"); if (!fp) @@ -393,84 +394,95 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, goto abort; } - for (rm = ref_map; rm; rm = rm->next) { - struct ref *ref = NULL; - - if (rm->peer_ref) { - ref = xcalloc(1, sizeof(*ref) + strlen(rm->peer_ref->name) + 1); - strcpy(ref->name, rm->peer_ref->name); - hashcpy(ref->old_sha1, rm->peer_ref->old_sha1); - hashcpy(ref->new_sha1, rm->old_sha1); - ref->force = rm->peer_ref->force; - } + /* + * The first pass writes objects to be merged and then the + * second pass writes the rest, in order to allow using + * FETCH_HEAD as a refname to refer to the ref to be merged. + */ + for (want_merge = 1; 0 <= want_merge; want_merge--) { + for (rm = ref_map; rm; rm = rm->next) { + struct ref *ref = NULL; + + commit = lookup_commit_reference_gently(rm->old_sha1, 1); + if (!commit) + rm->merge = 0; + + if (rm->merge != want_merge) + continue; + + if (rm->peer_ref) { + ref = xcalloc(1, sizeof(*ref) + strlen(rm->peer_ref->name) + 1); + strcpy(ref->name, rm->peer_ref->name); + hashcpy(ref->old_sha1, rm->peer_ref->old_sha1); + hashcpy(ref->new_sha1, rm->old_sha1); + ref->force = rm->peer_ref->force; + } - commit = lookup_commit_reference_gently(rm->old_sha1, 1); - if (!commit) - rm->merge = 0; - if (!strcmp(rm->name, "HEAD")) { - kind = ""; - what = ""; - } - else if (!prefixcmp(rm->name, "refs/heads/")) { - kind = "branch"; - what = rm->name + 11; - } - else if (!prefixcmp(rm->name, "refs/tags/")) { - kind = "tag"; - what = rm->name + 10; - } - else if (!prefixcmp(rm->name, "refs/remotes/")) { - kind = "remote-tracking branch"; - what = rm->name + 13; - } - else { - kind = ""; - what = rm->name; - } + if (!strcmp(rm->name, "HEAD")) { + kind = ""; + what = ""; + } + else if (!prefixcmp(rm->name, "refs/heads/")) { + kind = "branch"; + what = rm->name + 11; + } + else if (!prefixcmp(rm->name, "refs/tags/")) { + kind = "tag"; + what = rm->name + 10; + } + else if (!prefixcmp(rm->name, "refs/remotes/")) { + kind = "remote-tracking branch"; + what = rm->name + 13; + } + else { + kind = ""; + what = rm->name; + } - url_len = strlen(url); - for (i = url_len - 1; url[i] == '/' && 0 <= i; i--) - ; - url_len = i + 1; - if (4 < i && !strncmp(".git", url + i - 3, 4)) - url_len = i - 3; - - strbuf_reset(¬e); - if (*what) { - if (*kind) - strbuf_addf(¬e, "%s ", kind); - strbuf_addf(¬e, "'%s' of ", what); - } - fprintf(fp, "%s\t%s\t%s", - sha1_to_hex(rm->old_sha1), - rm->merge ? "" : "not-for-merge", - note.buf); - for (i = 0; i < url_len; ++i) - if ('\n' == url[i]) - fputs("\\n", fp); - else - fputc(url[i], fp); - fputc('\n', fp); - - strbuf_reset(¬e); - if (ref) { - rc |= update_local_ref(ref, what, ¬e); - free(ref); - } else - strbuf_addf(¬e, "* %-*s %-*s -> FETCH_HEAD", - TRANSPORT_SUMMARY_WIDTH, - *kind ? kind : "branch", - REFCOL_WIDTH, - *what ? what : "HEAD"); - if (note.len) { - if (verbosity >= 0 && !shown_url) { - fprintf(stderr, _("From %.*s\n"), - url_len, url); - shown_url = 1; + url_len = strlen(url); + for (i = url_len - 1; url[i] == '/' && 0 <= i; i--) + ; + url_len = i + 1; + if (4 < i && !strncmp(".git", url + i - 3, 4)) + url_len = i - 3; + + strbuf_reset(¬e); + if (*what) { + if (*kind) + strbuf_addf(¬e, "%s ", kind); + strbuf_addf(¬e, "'%s' of ", what); + } + fprintf(fp, "%s\t%s\t%s", + sha1_to_hex(rm->old_sha1), + rm->merge ? "" : "not-for-merge", + note.buf); + for (i = 0; i < url_len; ++i) + if ('\n' == url[i]) + fputs("\\n", fp); + else + fputc(url[i], fp); + fputc('\n', fp); + + strbuf_reset(¬e); + if (ref) { + rc |= update_local_ref(ref, what, ¬e); + free(ref); + } else + strbuf_addf(¬e, "* %-*s %-*s -> FETCH_HEAD", + TRANSPORT_SUMMARY_WIDTH, + *kind ? kind : "branch", + REFCOL_WIDTH, + *what ? what : "HEAD"); + if (note.len) { + if (verbosity >= 0 && !shown_url) { + fprintf(stderr, _("From %.*s\n"), + url_len, url); + shown_url = 1; + } + if (verbosity >= 0) + fprintf(stderr, " %s\n", note.buf); } - if (verbosity >= 0) - fprintf(stderr, " %s\n", note.buf); } } @@ -573,7 +585,7 @@ 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/index-pack.c b/builtin/index-pack.c index 98025da767..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; }; /* @@ -172,10 +174,10 @@ static const char *open_pack_file(const char *pack_name) if (from_stdin) { input_fd = 0; if (!pack_name) { - static char tmpfile[PATH_MAX]; - output_fd = odb_mkstemp(tmpfile, sizeof(tmpfile), + static char tmp_file[PATH_MAX]; + output_fd = odb_mkstemp(tmp_file, sizeof(tmp_file), "pack/tmp_pack_XXXXXX"); - pack_name = xstrdup(tmpfile); + pack_name = xstrdup(tmp_file); } else output_fd = open(pack_name, O_CREAT|O_EXCL|O_RDWR, 0600); if (output_fd < 0) @@ -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/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 a896165790..3a451727d0 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -27,6 +27,7 @@ #include "resolve-undo.h" #include "remote.h" #include "fmt-merge-msg.h" +#include "gpg-interface.h" #define DEFAULT_TWOHEAD (1<<0) #define DEFAULT_OCTOPUS (1<<1) @@ -50,7 +51,7 @@ static int option_commit = 1, allow_fast_forward = 1; static int fast_forward_only, option_edit; static int allow_trivial = 1, have_message; static int overwrite_ignore = 1; -static struct strbuf merge_msg; +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; @@ -64,6 +65,7 @@ static int allow_rerere_auto; static int abort_current_merge; static int show_progress = -1; static int default_to_upstream; +static const char *sign_commit; static struct strategy all_strategy[] = { { "recursive", DEFAULT_TWOHEAD | NO_TRIVIAL }, @@ -209,6 +211,8 @@ static struct option builtin_merge_options[] = { OPT_BOOLEAN(0, "abort", &abort_current_merge, "abort the current in-progress merge"), OPT_SET_INT(0, "progress", &show_progress, "force progress reporting", 1), + { OPTION_STRING, 'S', "gpg-sign", &sign_commit, "key id", + "GPG sign commit", PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, OPT_BOOLEAN(0, "overwrite-ignore", &overwrite_ignore, "update ignored files (default)"), OPT_END() }; @@ -571,9 +575,13 @@ static int git_merge_config(const char *k, const char *v, void *cb) default_to_upstream = git_config_bool(k, v); return 0; } + status = fmt_merge_msg_config(k, v, cb); if (status) return status; + status = git_gpg_config(k, v, NULL); + if (status) + return status; return git_diff_ui_config(k, v, cb); } @@ -910,7 +918,8 @@ static int merge_trivial(struct commit *head) parent->next->item = remoteheads->item; parent->next->next = NULL; prepare_to_commit(); - if (commit_tree(&merge_msg, result_tree, parent, result_commit, NULL)) + 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"); drop_save(); @@ -942,7 +951,8 @@ static int finish_automerge(struct commit *head, strbuf_addch(&merge_msg, '\n'); prepare_to_commit(); free_commit_list(remoteheads); - if (commit_tree(&merge_msg, result_tree, parents, result_commit, NULL)) + 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); diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index 96c1680976..0f2e7b8f5c 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -1434,11 +1434,16 @@ static int try_delta(struct unpacked *trg, struct unpacked *src, return -1; /* - * We do not bother to try a delta that we discarded - * on an earlier try, but only when reusing delta data. + * We do not bother to try a delta that we discarded on an + * earlier try, but only when reusing delta data. Note that + * src_entry that is marked as the preferred_base should always + * be considered, as even if we produce a suboptimal delta against + * it, we will still save the transfer cost, as we already know + * the other side has it and we won't send src_entry at all. */ if (reuse_delta && trg_entry->in_pack && trg_entry->in_pack == src_entry->in_pack && + !src_entry->preferred_base && trg_entry->in_pack_type != OBJ_REF_DELTA && trg_entry->in_pack_type != OBJ_OFS_DELTA) return 0; diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index d2dcb7e4af..fa7448be5a 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -33,6 +33,7 @@ static int transfer_unpack_limit = -1; static int unpack_limit = 100; static int report_status; static int use_sideband; +static int quiet; static int prefer_ofs_delta = 1; static int auto_update_server_info; static int auto_gc = 1; @@ -115,20 +116,19 @@ static int receive_pack_config(const char *var, const char *value, void *cb) return git_default_config(var, value, cb); } -static int show_ref(const char *path, const unsigned char *sha1, int flag, void *cb_data) +static void show_ref(const char *path, const unsigned char *sha1) { if (sent_capabilities) packet_write(1, "%s %s\n", sha1_to_hex(sha1), path); else packet_write(1, "%s %s%c%s%s\n", sha1_to_hex(sha1), path, 0, - " report-status delete-refs side-band-64k", + " report-status delete-refs side-band-64k quiet", prefer_ofs_delta ? " ofs-delta" : ""); sent_capabilities = 1; - return 0; } -static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *cb_data) +static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, void *unused) { path = strip_namespace(path); /* @@ -141,15 +141,33 @@ static int show_ref_cb(const char *path, const unsigned char *sha1, int flag, vo */ if (!path) path = ".have"; - return show_ref(path, sha1, flag, cb_data); + show_ref(path, sha1); + return 0; +} + +static void show_one_alternate_sha1(const unsigned char sha1[20], void *unused) +{ + show_ref(".have", sha1); +} + +static void collect_one_alternate_ref(const struct ref *ref, void *data) +{ + struct sha1_array *sa = data; + sha1_array_append(sa, ref->old_sha1); } static void write_head_info(void) { + struct sha1_array sa = SHA1_ARRAY_INIT; + for_each_alternate_ref(collect_one_alternate_ref, &sa); + sha1_array_for_each_unique(&sa, show_one_alternate_sha1, NULL); + sha1_array_clear(&sa); for_each_ref(show_ref_cb, NULL); if (!sent_capabilities) - show_ref("capabilities^{}", null_sha1, 0, NULL); + show_ref("capabilities^{}", null_sha1); + /* EOF */ + packet_flush(1); } struct command { @@ -731,10 +749,13 @@ static struct command *read_head_info(void) refname = line + 82; reflen = strlen(refname); if (reflen + 82 < len) { - if (strstr(refname + reflen + 1, "report-status")) + const char *feature_list = refname + reflen + 1; + if (parse_feature_request(feature_list, "report-status")) report_status = 1; - if (strstr(refname + reflen + 1, "side-band-64k")) + if (parse_feature_request(feature_list, "side-band-64k")) use_sideband = LARGE_PACKET_MAX; + if (parse_feature_request(feature_list, "quiet")) + quiet = 1; } cmd = xcalloc(1, sizeof(struct command) + len - 80); hashcpy(cmd->old_sha1, old_sha1); @@ -788,8 +809,10 @@ static const char *unpack(void) if (ntohl(hdr.hdr_entries) < unpack_limit) { int code, i = 0; - const char *unpacker[4]; + const char *unpacker[5]; unpacker[i++] = "unpack-objects"; + if (quiet) + unpacker[i++] = "-q"; if (fsck_objects) unpacker[i++] = "--strict"; unpacker[i++] = hdr_arg; @@ -869,25 +892,6 @@ static int delete_only(struct command *commands) return 1; } -static void add_one_alternate_sha1(const unsigned char sha1[20], void *unused) -{ - add_extra_ref(".have", sha1, 0); -} - -static void collect_one_alternate_ref(const struct ref *ref, void *data) -{ - struct sha1_array *sa = data; - sha1_array_append(sa, ref->old_sha1); -} - -static void add_alternate_refs(void) -{ - struct sha1_array sa = SHA1_ARRAY_INIT; - for_each_alternate_ref(collect_one_alternate_ref, &sa); - sha1_array_for_each_unique(&sa, add_one_alternate_sha1, NULL); - sha1_array_clear(&sa); -} - int cmd_receive_pack(int argc, const char **argv, const char *prefix) { int advertise_refs = 0; @@ -903,6 +907,11 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) const char *arg = *argv++; if (*arg == '-') { + if (!strcmp(arg, "--quiet")) { + quiet = 1; + continue; + } + if (!strcmp(arg, "--advertise-refs")) { advertise_refs = 1; continue; @@ -937,12 +946,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix) unpack_limit = receive_unpack_limit; if (advertise_refs || !stateless_rpc) { - add_alternate_refs(); write_head_info(); - clear_extra_refs(); - - /* EOF */ - packet_flush(1); } if (advertise_refs) return 0; diff --git a/builtin/remote.c b/builtin/remote.c index 583eec90e0..f54a89adc7 100644 --- a/builtin/remote.c +++ b/builtin/remote.c @@ -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/revert.c b/builtin/revert.c index fce3f92981..e6840f23dc 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"), @@ -237,900 +193,6 @@ static void parse_args(int argc, const char **argv, struct replay_opts *opts) 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; - struct commit_message msg = { NULL, NULL, NULL, NULL, NULL }; - const char *sha1_abbrev = NULL; - const char *action_str = opts->action == REVERT ? "revert" : "pick"; - - for (cur = todo_list; cur; cur = cur->next) { - sha1_abbrev = find_unique_abbrev(cur->item->object.sha1, DEFAULT_ABBREV); - if (get_message(cur->item, &msg)) - return error(_("Cannot get commit message for %s"), sha1_abbrev); - strbuf_addf(buf, "%s %s %s\n", action_str, sha1_abbrev, msg.subject); - } - return 0; -} - -static struct commit *parse_insn_line(char *start, struct replay_opts *opts) -{ - unsigned char commit_sha1[20]; - char sha1_abbrev[40]; - enum replay_action action; - int insn_len = 0; - char *p, *q; - - if (!prefixcmp(start, "pick ")) { - action = CHERRY_PICK; - insn_len = strlen("pick"); - p = start + insn_len + 1; - } else if (!prefixcmp(start, "revert ")) { - action = REVERT; - insn_len = strlen("revert"); - p = start + insn_len + 1; - } else - return NULL; - - q = strchr(p, ' '); - if (!q) - return NULL; - q++; - - strlcpy(sha1_abbrev, p, q - p); - - /* - * 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 (get_sha1(sha1_abbrev, commit_sha1) < 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++) { - commit = parse_insn_line(p, opts); - if (!commit) - return error(_("Could not parse line %d."), i); - next = commit_list_append(commit, next); - p = strchrnul(p, '\n'); - if (*p) - p++; - } - 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; @@ -1139,10 +201,10 @@ 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; @@ -1154,10 +216,10 @@ 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/send-pack.c b/builtin/send-pack.c index cd1115ffc6..71f258ef6e 100644 --- a/builtin/send-pack.c +++ b/builtin/send-pack.c @@ -263,6 +263,8 @@ int send_pack(struct send_pack_args *args, args->use_ofs_delta = 1; if (server_supports("side-band-64k")) use_sideband = 1; + if (!server_supports("quiet")) + args->quiet = 0; if (!remote_refs) { fprintf(stderr, "No refs in common and none specified; doing nothing.\n" @@ -301,11 +303,12 @@ int send_pack(struct send_pack_args *args, char *old_hex = sha1_to_hex(ref->old_sha1); char *new_hex = sha1_to_hex(ref->new_sha1); - if (!cmds_sent && (status_report || use_sideband)) { - packet_buf_write(&req_buf, "%s %s %s%c%s%s", + if (!cmds_sent && (status_report || use_sideband || args->quiet)) { + packet_buf_write(&req_buf, "%s %s %s%c%s%s%s", old_hex, new_hex, ref->name, 0, status_report ? " report-status" : "", - use_sideband ? " side-band-64k" : ""); + use_sideband ? " side-band-64k" : "", + args->quiet ? " quiet" : ""); } else packet_buf_write(&req_buf, "%s %s %s", @@ -439,6 +442,10 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix) args.force_update = 1; continue; } + if (!strcmp(arg, "--quiet")) { + args.quiet = 1; + continue; + } if (!strcmp(arg, "--verbose")) { args.verbose = 1; continue; |