diff options
Diffstat (limited to 'builtin')
-rw-r--r-- | builtin/branch.c | 4 | ||||
-rw-r--r-- | builtin/checkout.c | 269 | ||||
-rw-r--r-- | builtin/clone.c | 9 | ||||
-rw-r--r-- | builtin/commit.c | 2 | ||||
-rw-r--r-- | builtin/count-objects.c | 4 | ||||
-rw-r--r-- | builtin/fetch.c | 5 | ||||
-rw-r--r-- | builtin/fsck.c | 4 | ||||
-rw-r--r-- | builtin/gc.c | 34 | ||||
-rw-r--r-- | builtin/init-db.c | 7 | ||||
-rw-r--r-- | builtin/prune.c | 99 | ||||
-rw-r--r-- | builtin/receive-pack.c | 2 | ||||
-rw-r--r-- | builtin/remote.c | 2 | ||||
-rw-r--r-- | builtin/repack.c | 8 | ||||
-rw-r--r-- | builtin/rev-parse.c | 11 |
14 files changed, 413 insertions, 47 deletions
diff --git a/builtin/branch.c b/builtin/branch.c index 1d150378e9..258fe2ff9b 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -771,7 +771,6 @@ static const char edit_description[] = "BRANCH_DESCRIPTION"; static int edit_branch_description(const char *branch_name) { - FILE *fp; int status; struct strbuf buf = STRBUF_INIT; struct strbuf name = STRBUF_INIT; @@ -784,8 +783,7 @@ static int edit_branch_description(const char *branch_name) " %s\n" "Lines starting with '%c' will be stripped.\n", branch_name, comment_line_char); - fp = fopen(git_path(edit_description), "w"); - if ((fwrite(buf.buf, 1, buf.len, fp) < buf.len) || fclose(fp)) { + if (write_file(git_path(edit_description), 0, "%s", buf.buf)) { strbuf_release(&buf); return error(_("could not write branch description template: %s"), strerror(errno)); diff --git a/builtin/checkout.c b/builtin/checkout.c index 4aad49aaa1..2f92328db4 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -20,6 +20,7 @@ #include "resolve-undo.h" #include "submodule.h" #include "argv-array.h" +#include "sigchain.h" static const char * const checkout_usage[] = { N_("git checkout [<options>] <branch>"), @@ -36,6 +37,7 @@ struct checkout_opts { int writeout_stage; int overwrite_ignore; int ignore_skipworktree; + int ignore_other_worktrees; const char *new_branch; const char *new_branch_force; @@ -48,6 +50,10 @@ struct checkout_opts { const char *prefix; struct pathspec pathspec; struct tree *source_tree; + + const char *new_worktree; + const char **saved_argv; + int new_worktree_mode; }; static int post_checkout_hook(struct commit *old, struct commit *new, @@ -267,6 +273,9 @@ static int checkout_paths(const struct checkout_opts *opts, die(_("Cannot update paths and switch to branch '%s' at the same time."), opts->new_branch); + if (opts->new_worktree) + die(_("'%s' cannot be used with updating paths"), "--to"); + if (opts->patch_mode) return run_add_interactive(revision, "--patch=checkout", &opts->pathspec); @@ -441,6 +450,11 @@ struct branch_info { const char *name; /* The short name used */ const char *path; /* The full name of a real branch */ struct commit *commit; /* The named commit */ + /* + * if not null the branch is detached because it's already + * checked out in this checkout + */ + char *checkout; }; static void setup_branch_path(struct branch_info *branch) @@ -502,7 +516,7 @@ static int merge_working_tree(const struct checkout_opts *opts, topts.dir->flags |= DIR_SHOW_IGNORED; setup_standard_excludes(topts.dir); } - tree = parse_tree_indirect(old->commit ? + tree = parse_tree_indirect(old->commit && !opts->new_worktree_mode ? old->commit->object.sha1 : EMPTY_TREE_SHA1_BIN); init_tree_desc(&trees[0], tree->buffer, tree->size); @@ -606,18 +620,21 @@ static void update_refs_for_switch(const struct checkout_opts *opts, if (opts->new_orphan_branch) { if (opts->new_branch_log && !log_all_ref_updates) { int temp; - char log_file[PATH_MAX]; - char *ref_name = mkpath("refs/heads/%s", opts->new_orphan_branch); + struct strbuf log_file = STRBUF_INIT; + int ret; + const char *ref_name; + ref_name = mkpath("refs/heads/%s", opts->new_orphan_branch); temp = log_all_ref_updates; log_all_ref_updates = 1; - if (log_ref_setup(ref_name, log_file, sizeof(log_file))) { + ret = log_ref_setup(ref_name, &log_file); + log_all_ref_updates = temp; + strbuf_release(&log_file); + if (ret) { fprintf(stderr, _("Can not do reflog for '%s'\n"), opts->new_orphan_branch); - log_all_ref_updates = temp; return; } - log_all_ref_updates = temp; } } else @@ -822,7 +839,8 @@ static int switch_branches(const struct checkout_opts *opts, return ret; } - if (!opts->quiet && !old.path && old.commit && new->commit != old.commit) + if (!opts->quiet && !old.path && old.commit && + new->commit != old.commit && !opts->new_worktree_mode) orphaned_commit_warning(old.commit, new->commit); update_refs_for_switch(opts, &old, new); @@ -832,6 +850,138 @@ static int switch_branches(const struct checkout_opts *opts, return ret || writeout_error; } +static char *junk_work_tree; +static char *junk_git_dir; +static int is_junk; +static pid_t junk_pid; + +static void remove_junk(void) +{ + struct strbuf sb = STRBUF_INIT; + if (!is_junk || getpid() != junk_pid) + return; + if (junk_git_dir) { + strbuf_addstr(&sb, junk_git_dir); + remove_dir_recursively(&sb, 0); + strbuf_reset(&sb); + } + if (junk_work_tree) { + strbuf_addstr(&sb, junk_work_tree); + remove_dir_recursively(&sb, 0); + } + strbuf_release(&sb); +} + +static void remove_junk_on_signal(int signo) +{ + remove_junk(); + sigchain_pop(signo); + raise(signo); +} + +static int prepare_linked_checkout(const struct checkout_opts *opts, + struct branch_info *new) +{ + struct strbuf sb_git = STRBUF_INIT, sb_repo = STRBUF_INIT; + struct strbuf sb = STRBUF_INIT; + const char *path = opts->new_worktree, *name; + struct stat st; + struct child_process cp; + int counter = 0, len, ret; + + if (!new->commit) + die(_("no branch specified")); + if (file_exists(path) && !is_empty_dir(path)) + die(_("'%s' already exists"), path); + + len = strlen(path); + while (len && is_dir_sep(path[len - 1])) + len--; + + for (name = path + len - 1; name > path; name--) + if (is_dir_sep(*name)) { + name++; + break; + } + strbuf_addstr(&sb_repo, + git_path("worktrees/%.*s", (int)(path + len - name), name)); + len = sb_repo.len; + if (safe_create_leading_directories_const(sb_repo.buf)) + die_errno(_("could not create leading directories of '%s'"), + sb_repo.buf); + while (!stat(sb_repo.buf, &st)) { + counter++; + strbuf_setlen(&sb_repo, len); + strbuf_addf(&sb_repo, "%d", counter); + } + name = strrchr(sb_repo.buf, '/') + 1; + + junk_pid = getpid(); + atexit(remove_junk); + sigchain_push_common(remove_junk_on_signal); + + if (mkdir(sb_repo.buf, 0777)) + die_errno(_("could not create directory of '%s'"), sb_repo.buf); + junk_git_dir = xstrdup(sb_repo.buf); + is_junk = 1; + + /* + * lock the incomplete repo so prune won't delete it, unlock + * after the preparation is over. + */ + strbuf_addf(&sb, "%s/locked", sb_repo.buf); + write_file(sb.buf, 1, "initializing\n"); + + strbuf_addf(&sb_git, "%s/.git", path); + if (safe_create_leading_directories_const(sb_git.buf)) + die_errno(_("could not create leading directories of '%s'"), + sb_git.buf); + junk_work_tree = xstrdup(path); + + strbuf_reset(&sb); + strbuf_addf(&sb, "%s/gitdir", sb_repo.buf); + write_file(sb.buf, 1, "%s\n", real_path(sb_git.buf)); + write_file(sb_git.buf, 1, "gitdir: %s/worktrees/%s\n", + real_path(get_git_common_dir()), name); + /* + * This is to keep resolve_ref() happy. We need a valid HEAD + * or is_git_directory() will reject the directory. Any valid + * value would do because this value will be ignored and + * replaced at the next (real) checkout. + */ + strbuf_reset(&sb); + strbuf_addf(&sb, "%s/HEAD", sb_repo.buf); + write_file(sb.buf, 1, "%s\n", sha1_to_hex(new->commit->object.sha1)); + strbuf_reset(&sb); + strbuf_addf(&sb, "%s/commondir", sb_repo.buf); + write_file(sb.buf, 1, "../..\n"); + + if (!opts->quiet) + fprintf_ln(stderr, _("Enter %s (identifier %s)"), path, name); + + setenv("GIT_CHECKOUT_NEW_WORKTREE", "1", 1); + setenv(GIT_DIR_ENVIRONMENT, sb_git.buf, 1); + setenv(GIT_WORK_TREE_ENVIRONMENT, path, 1); + memset(&cp, 0, sizeof(cp)); + cp.git_cmd = 1; + cp.argv = opts->saved_argv; + ret = run_command(&cp); + if (!ret) { + is_junk = 0; + free(junk_work_tree); + free(junk_git_dir); + junk_work_tree = NULL; + junk_git_dir = NULL; + } + strbuf_reset(&sb); + strbuf_addf(&sb, "%s/locked", sb_repo.buf); + unlink_or_warn(sb.buf); + strbuf_release(&sb); + strbuf_release(&sb_repo); + strbuf_release(&sb_git); + return ret; +} + static int git_checkout_config(const char *var, const char *value, void *cb) { if (!strcmp(var, "diff.ignoresubmodules")) { @@ -887,13 +1037,80 @@ static const char *unique_tracking_name(const char *name, unsigned char *sha1) return NULL; } +static void check_linked_checkout(struct branch_info *new, const char *id) +{ + struct strbuf sb = STRBUF_INIT; + struct strbuf path = STRBUF_INIT; + struct strbuf gitdir = STRBUF_INIT; + const char *start, *end; + + if (id) + strbuf_addf(&path, "%s/worktrees/%s/HEAD", get_git_common_dir(), id); + else + strbuf_addf(&path, "%s/HEAD", get_git_common_dir()); + + if (strbuf_read_file(&sb, path.buf, 0) < 0 || + !skip_prefix(sb.buf, "ref:", &start)) + goto done; + while (isspace(*start)) + start++; + end = start; + while (*end && !isspace(*end)) + end++; + if (strncmp(start, new->path, end - start) || new->path[end - start] != '\0') + goto done; + if (id) { + strbuf_reset(&path); + strbuf_addf(&path, "%s/worktrees/%s/gitdir", get_git_common_dir(), id); + if (strbuf_read_file(&gitdir, path.buf, 0) <= 0) + goto done; + strbuf_rtrim(&gitdir); + } else + strbuf_addstr(&gitdir, get_git_common_dir()); + die(_("'%s' is already checked out at '%s'"), new->name, gitdir.buf); +done: + strbuf_release(&path); + strbuf_release(&sb); + strbuf_release(&gitdir); +} + +static void check_linked_checkouts(struct branch_info *new) +{ + struct strbuf path = STRBUF_INIT; + DIR *dir; + struct dirent *d; + + strbuf_addf(&path, "%s/worktrees", get_git_common_dir()); + if ((dir = opendir(path.buf)) == NULL) { + strbuf_release(&path); + return; + } + + /* + * $GIT_COMMON_DIR/HEAD is practically outside + * $GIT_DIR so resolve_ref_unsafe() won't work (it + * uses git_path). Parse the ref ourselves. + */ + check_linked_checkout(new, NULL); + + while ((d = readdir(dir)) != NULL) { + if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, "..")) + continue; + check_linked_checkout(new, d->d_name); + } + strbuf_release(&path); + closedir(dir); +} + static int parse_branchname_arg(int argc, const char **argv, int dwim_new_local_branch_ok, struct branch_info *new, - struct tree **source_tree, - unsigned char rev[20], - const char **new_branch) + struct checkout_opts *opts, + unsigned char rev[20]) { + struct tree **source_tree = &opts->source_tree; + const char **new_branch = &opts->new_branch; + int force_detach = opts->force_detach; int argcount = 0; unsigned char branch_rev[20]; const char *arg; @@ -1014,6 +1231,17 @@ static int parse_branchname_arg(int argc, const char **argv, else new->path = NULL; /* not an existing branch */ + if (new->path && !force_detach && !*new_branch) { + unsigned char sha1[20]; + int flag; + char *head_ref = resolve_refdup("HEAD", 0, sha1, &flag); + if (head_ref && + (!(flag & REF_ISSYMREF) || strcmp(head_ref, new->path)) && + !opts->ignore_other_worktrees) + check_linked_checkouts(new); + free(head_ref); + } + new->commit = lookup_commit_reference_gently(rev, 1); if (!new->commit) { /* not a commit */ @@ -1093,6 +1321,9 @@ static int checkout_branch(struct checkout_opts *opts, die(_("Cannot switch branch to a non-commit '%s'"), new->name); + if (opts->new_worktree) + return prepare_linked_checkout(opts, new); + if (!new->commit && opts->new_branch) { unsigned char rev[20]; int flag; @@ -1135,6 +1366,10 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) N_("do not limit pathspecs to sparse entries only")), OPT_HIDDEN_BOOL(0, "guess", &dwim_new_local_branch, N_("second guess 'git checkout <no-such-branch>'")), + OPT_FILENAME(0, "to", &opts.new_worktree, + N_("check a branch out in a separate working directory")), + OPT_BOOL(0, "ignore-other-worktrees", &opts.ignore_other_worktrees, + N_("do not check if another worktree is holding the given ref")), OPT_END(), }; @@ -1143,6 +1378,9 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) opts.overwrite_ignore = 1; opts.prefix = prefix; + opts.saved_argv = xmalloc(sizeof(const char *) * (argc + 2)); + memcpy(opts.saved_argv, argv, sizeof(const char *) * (argc + 1)); + gitmodules_config(); git_config(git_checkout_config, &opts); @@ -1151,6 +1389,14 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, options, checkout_usage, PARSE_OPT_KEEP_DASHDASH); + /* recursive execution from checkout_new_worktree() */ + opts.new_worktree_mode = getenv("GIT_CHECKOUT_NEW_WORKTREE") != NULL; + if (opts.new_worktree_mode) + opts.new_worktree = NULL; + + if (!opts.new_worktree) + setup_work_tree(); + if (conflict_style) { opts.merge = 1; /* implied */ git_xmerge_config("merge.conflictstyle", conflict_style, NULL); @@ -1204,8 +1450,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) opts.track == BRANCH_TRACK_UNSPECIFIED && !opts.new_branch; int n = parse_branchname_arg(argc, argv, dwim_ok, - &new, &opts.source_tree, - rev, &opts.new_branch); + &new, &opts, rev); argv += n; argc -= n; } diff --git a/builtin/clone.c b/builtin/clone.c index 53a2e5af35..166a645e2d 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -293,16 +293,17 @@ static void copy_alternates(struct strbuf *src, struct strbuf *dst, struct strbuf line = STRBUF_INIT; while (strbuf_getline(&line, in, '\n') != EOF) { - char *abs_path, abs_buf[PATH_MAX]; + char *abs_path; if (!line.len || line.buf[0] == '#') continue; if (is_absolute_path(line.buf)) { add_to_alternates_file(line.buf); continue; } - abs_path = mkpath("%s/objects/%s", src_repo, line.buf); - normalize_path_copy(abs_buf, abs_path); - add_to_alternates_file(abs_buf); + abs_path = mkpathdup("%s/objects/%s", src_repo, line.buf); + normalize_path_copy(abs_path, abs_path); + add_to_alternates_file(abs_path); + free(abs_path); } strbuf_release(&line); fclose(in); diff --git a/builtin/commit.c b/builtin/commit.c index da79ac4bc7..310674cfd0 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -170,7 +170,7 @@ static void determine_whence(struct wt_status *s) whence = FROM_MERGE; else if (file_exists(git_path("CHERRY_PICK_HEAD"))) { whence = FROM_CHERRY_PICK; - if (file_exists(git_path("sequencer"))) + if (file_exists(git_path(SEQ_DIR))) sequencer_in_use = 1; } else diff --git a/builtin/count-objects.c b/builtin/count-objects.c index e47ef0b1af..ad0c79954a 100644 --- a/builtin/count-objects.c +++ b/builtin/count-objects.c @@ -70,8 +70,10 @@ int cmd_count_objects(int argc, const char **argv, const char *prefix) /* we do not take arguments other than flags for now */ if (argc) usage_with_options(count_objects_usage, opts); - if (verbose) + if (verbose) { report_garbage = real_report_garbage; + report_linked_checkout_garbage(); + } for_each_loose_file_in_objdir(get_object_directory(), count_loose, count_cruft, NULL, NULL); diff --git a/builtin/fetch.c b/builtin/fetch.c index f9512652cf..7910419c93 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -588,7 +588,8 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, struct strbuf note = STRBUF_INIT; const char *what, *kind; struct ref *rm; - char *url, *filename = dry_run ? "/dev/null" : git_path("FETCH_HEAD"); + char *url; + const char *filename = dry_run ? "/dev/null" : git_path("FETCH_HEAD"); int want_status; fp = fopen(filename, "a"); @@ -822,7 +823,7 @@ static void check_not_current_branch(struct ref *ref_map) static int truncate_fetch_head(void) { - char *filename = git_path("FETCH_HEAD"); + const char *filename = git_path("FETCH_HEAD"); FILE *fp = fopen(filename, "w"); if (!fp) diff --git a/builtin/fsck.c b/builtin/fsck.c index 0c757862e8..4783896fd6 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -225,12 +225,12 @@ static void check_unreachable_object(struct object *obj) 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", + const char *filename = git_path("lost-found/%s/%s", obj->type == OBJ_COMMIT ? "commit" : "other", sha1_to_hex(obj->sha1)); FILE *f; - if (safe_create_leading_directories(filename)) { + if (safe_create_leading_directories_const(filename)) { error("Could not create lost-found"); return; } diff --git a/builtin/gc.c b/builtin/gc.c index 5c634afc00..36fe33300f 100644 --- a/builtin/gc.c +++ b/builtin/gc.c @@ -33,11 +33,13 @@ static int gc_auto_threshold = 6700; static int gc_auto_pack_limit = 50; static int detach_auto = 1; static const char *prune_expire = "2.weeks.ago"; +static const char *prune_worktrees_expire = "3.months.ago"; static struct argv_array pack_refs_cmd = ARGV_ARRAY_INIT; static struct argv_array reflog = ARGV_ARRAY_INIT; static struct argv_array repack = ARGV_ARRAY_INIT; static struct argv_array prune = ARGV_ARRAY_INIT; +static struct argv_array prune_worktrees = ARGV_ARRAY_INIT; static struct argv_array rerere = ARGV_ARRAY_INIT; static char *pidfile; @@ -55,6 +57,17 @@ static void remove_pidfile_on_signal(int signo) raise(signo); } +static void git_config_date_string(const char *key, const char **output) +{ + if (git_config_get_string_const(key, output)) + return; + if (strcmp(*output, "now")) { + unsigned long now = approxidate("now"); + if (approxidate(*output) >= now) + git_die_config(key, _("Invalid %s: '%s'"), key, *output); + } +} + static void gc_config(void) { const char *value; @@ -71,16 +84,8 @@ static void gc_config(void) git_config_get_int("gc.auto", &gc_auto_threshold); git_config_get_int("gc.autopacklimit", &gc_auto_pack_limit); git_config_get_bool("gc.autodetach", &detach_auto); - - if (!git_config_get_string_const("gc.pruneexpire", &prune_expire)) { - if (strcmp(prune_expire, "now")) { - unsigned long now = approxidate("now"); - if (approxidate(prune_expire) >= now) { - git_die_config("gc.pruneexpire", _("Invalid gc.pruneexpire: '%s'"), - prune_expire); - } - } - } + git_config_date_string("gc.pruneexpire", &prune_expire); + git_config_date_string("gc.pruneworktreesexpire", &prune_worktrees_expire); git_config(git_default_config, NULL); } @@ -287,7 +292,8 @@ int cmd_gc(int argc, const char **argv, const char *prefix) argv_array_pushl(&pack_refs_cmd, "pack-refs", "--all", "--prune", NULL); argv_array_pushl(&reflog, "reflog", "expire", "--all", NULL); argv_array_pushl(&repack, "repack", "-d", "-l", NULL); - argv_array_pushl(&prune, "prune", "--expire", NULL ); + argv_array_pushl(&prune, "prune", "--expire", NULL); + argv_array_pushl(&prune_worktrees, "prune", "--worktrees", "--expire", NULL); argv_array_pushl(&rerere, "rerere", "gc", NULL); gc_config(); @@ -357,6 +363,12 @@ int cmd_gc(int argc, const char **argv, const char *prefix) return error(FAILED_RUN, prune.argv[0]); } + if (prune_worktrees_expire) { + argv_array_push(&prune_worktrees, prune_worktrees_expire); + if (run_command_v_opt(prune_worktrees.argv, RUN_GIT_CMD)) + return error(FAILED_RUN, prune_worktrees.argv[0]); + } + if (run_command_v_opt(rerere.argv, RUN_GIT_CMD)) return error(FAILED_RUN, rerere.argv[0]); diff --git a/builtin/init-db.c b/builtin/init-db.c index ab9f86b889..4335738135 100644 --- a/builtin/init-db.c +++ b/builtin/init-db.c @@ -362,7 +362,6 @@ int set_git_dir_init(const char *git_dir, const char *real_git_dir, static void separate_git_dir(const char *git_dir) { struct stat st; - FILE *fp; if (!stat(git_link, &st)) { const char *src; @@ -378,11 +377,7 @@ static void separate_git_dir(const char *git_dir) die_errno(_("unable to move %s to %s"), src, git_dir); } - fp = fopen(git_link, "w"); - if (!fp) - die(_("Could not create git link %s"), git_link); - fprintf(fp, "gitdir: %s\n", git_dir); - fclose(fp); + write_file(git_link, 1, "gitdir: %s\n", git_dir); } int init_db(const char *template_dir, unsigned int flags) diff --git a/builtin/prune.c b/builtin/prune.c index 17094ad954..0c73246c72 100644 --- a/builtin/prune.c +++ b/builtin/prune.c @@ -76,6 +76,95 @@ static int prune_subdir(int nr, const char *path, void *data) return 0; } +static int prune_worktree(const char *id, struct strbuf *reason) +{ + struct stat st; + char *path; + int fd, len; + + if (!is_directory(git_path("worktrees/%s", id))) { + strbuf_addf(reason, _("Removing worktrees/%s: not a valid directory"), id); + return 1; + } + if (file_exists(git_path("worktrees/%s/locked", id))) + return 0; + if (stat(git_path("worktrees/%s/gitdir", id), &st)) { + strbuf_addf(reason, _("Removing worktrees/%s: gitdir file does not exist"), id); + return 1; + } + fd = open(git_path("worktrees/%s/gitdir", id), O_RDONLY); + if (fd < 0) { + strbuf_addf(reason, _("Removing worktrees/%s: unable to read gitdir file (%s)"), + id, strerror(errno)); + return 1; + } + len = st.st_size; + path = xmalloc(len + 1); + read_in_full(fd, path, len); + close(fd); + while (len && (path[len - 1] == '\n' || path[len - 1] == '\r')) + len--; + if (!len) { + strbuf_addf(reason, _("Removing worktrees/%s: invalid gitdir file"), id); + free(path); + return 1; + } + path[len] = '\0'; + if (!file_exists(path)) { + struct stat st_link; + free(path); + /* + * the repo is moved manually and has not been + * accessed since? + */ + if (!stat(git_path("worktrees/%s/link", id), &st_link) && + st_link.st_nlink > 1) + return 0; + if (st.st_mtime <= expire) { + strbuf_addf(reason, _("Removing worktrees/%s: gitdir file points to non-existent location"), id); + return 1; + } else { + return 0; + } + } + free(path); + return 0; +} + +static void prune_worktrees(void) +{ + struct strbuf reason = STRBUF_INIT; + struct strbuf path = STRBUF_INIT; + DIR *dir = opendir(git_path("worktrees")); + struct dirent *d; + int ret; + if (!dir) + return; + while ((d = readdir(dir)) != NULL) { + if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, "..")) + continue; + strbuf_reset(&reason); + if (!prune_worktree(d->d_name, &reason)) + continue; + if (show_only || verbose) + printf("%s\n", reason.buf); + if (show_only) + continue; + strbuf_reset(&path); + strbuf_addstr(&path, git_path("worktrees/%s", d->d_name)); + ret = remove_dir_recursively(&path, 0); + if (ret < 0 && errno == ENOTDIR) + ret = unlink(path.buf); + if (ret) + error(_("failed to remove: %s"), strerror(errno)); + } + closedir(dir); + if (!show_only) + rmdir(git_path("worktrees")); + strbuf_release(&reason); + strbuf_release(&path); +} + /* * Write errors (particularly out of space) can result in * failed temporary packs (and more rarely indexes and other @@ -102,10 +191,12 @@ int cmd_prune(int argc, const char **argv, const char *prefix) { struct rev_info revs; struct progress *progress = NULL; + int do_prune_worktrees = 0; const struct option options[] = { OPT__DRY_RUN(&show_only, N_("do not remove, show only")), OPT__VERBOSE(&verbose, N_("report pruned objects")), OPT_BOOL(0, "progress", &show_progress, N_("show progress")), + OPT_BOOL(0, "worktrees", &do_prune_worktrees, N_("prune .git/worktrees")), OPT_EXPIRY_DATE(0, "expire", &expire, N_("expire objects older than <time>")), OPT_END() @@ -119,6 +210,14 @@ int cmd_prune(int argc, const char **argv, const char *prefix) init_revisions(&revs, prefix); argc = parse_options(argc, argv, prefix, options, prune_usage, 0); + + if (do_prune_worktrees) { + if (argc) + die(_("--worktrees does not take extra arguments")); + prune_worktrees(); + return 0; + } + while (argc--) { unsigned char sha1[20]; const char *name = *argv++; diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 5292bb5a50..d2ec52bca9 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -1008,7 +1008,7 @@ static void run_update_post_hook(struct command *commands) int argc; const char **argv; struct child_process proc = CHILD_PROCESS_INIT; - char *hook; + const char *hook; hook = find_hook("post-update"); for (argc = 0, cmd = commands; cmd; cmd = cmd->next) { diff --git a/builtin/remote.c b/builtin/remote.c index 5d3ab906bc..ad57fc984e 100644 --- a/builtin/remote.c +++ b/builtin/remote.c @@ -584,7 +584,7 @@ static int migrate_file(struct remote *remote) { struct strbuf buf = STRBUF_INIT; int i; - char *path = NULL; + const char *path = NULL; strbuf_addf(&buf, "remote.%s.url", remote->name); for (i = 0; i < remote->url_nr; i++) diff --git a/builtin/repack.c b/builtin/repack.c index f2edeb0f4c..af7340c7ba 100644 --- a/builtin/repack.c +++ b/builtin/repack.c @@ -285,7 +285,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix) failed = 0; for_each_string_list_item(item, &names) { for (ext = 0; ext < ARRAY_SIZE(exts); ext++) { - char *fname, *fname_old; + const char *fname_old; + char *fname; fname = mkpathdup("%s/pack-%s%s", packdir, item->string, exts[ext].name); if (!file_exists(fname)) { @@ -313,7 +314,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix) if (failed) { struct string_list rollback_failure = STRING_LIST_INIT_DUP; for_each_string_list_item(item, &rollback) { - char *fname, *fname_old; + const char *fname_old; + char *fname; fname = mkpathdup("%s/%s", packdir, item->string); fname_old = mkpath("%s/old-%s", packdir, item->string); if (rename(fname_old, fname)) @@ -366,7 +368,7 @@ int cmd_repack(int argc, const char **argv, const char *prefix) /* Remove the "old-" files */ for_each_string_list_item(item, &names) { for (ext = 0; ext < ARRAY_SIZE(exts); ext++) { - char *fname; + const char *fname; fname = mkpath("%s/old-%s%s", packdir, item->string, diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 3626c61da6..4d10dd9545 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -533,6 +533,13 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) for (i = 1; i < argc; i++) { const char *arg = argv[i]; + if (!strcmp(arg, "--git-path")) { + if (!argv[i + 1]) + die("--git-path requires an argument"); + puts(git_path("%s", argv[i + 1])); + i++; + continue; + } if (as_is) { if (show_file(arg, output_prefix) && as_is < 2) verify_filename(prefix, arg, 0); @@ -755,6 +762,10 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) free(cwd); continue; } + if (!strcmp(arg, "--git-common-dir")) { + puts(get_git_common_dir()); + continue; + } if (!strcmp(arg, "--resolve-git-dir")) { const char *gitdir = argv[++i]; if (!gitdir) |