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worktree: new place for "git prune --worktrees"
Commit 23af91d (prune: strategies for linked checkouts - 2014-11-30) adds "--worktrees" to "git prune" without realizing that "git prune" is for object database only. This patch moves the same functionality to a new command "git worktree". Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| git-worktree(1) | ||
| =============== | ||
|
|
||
| NAME | ||
| ---- | ||
| git-worktree - Manage multiple worktrees | ||
|
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||
|
|
||
| SYNOPSIS | ||
| -------- | ||
| [verse] | ||
| 'git worktree prune' [-n] [-v] [--expire <expire>] | ||
|
|
||
| DESCRIPTION | ||
| ----------- | ||
|
|
||
| Manage multiple worktrees attached to the same repository. These are | ||
| created by the command `git checkout --to`. | ||
|
|
||
| COMMANDS | ||
| -------- | ||
| prune:: | ||
|
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| Prune working tree information in $GIT_DIR/worktrees. | ||
|
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||
| OPTIONS | ||
| ------- | ||
|
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||
| -n:: | ||
| --dry-run:: | ||
| Do not remove anything; just report what it would | ||
| remove. | ||
|
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||
| -v:: | ||
| --verbose:: | ||
| Report all removals. | ||
|
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| --expire <time>:: | ||
| Only expire unused worktrees older than <time>. | ||
|
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||
| SEE ALSO | ||
| -------- | ||
|
|
||
| linkgit:git-checkout[1] | ||
|
|
||
| GIT | ||
| --- | ||
| Part of the linkgit:git[1] suite |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| #include "cache.h" | ||
| #include "builtin.h" | ||
| #include "dir.h" | ||
| #include "parse-options.h" | ||
|
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| static const char * const worktree_usage[] = { | ||
| N_("git worktree prune [<options>]"), | ||
| NULL | ||
| }; | ||
|
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| static int show_only; | ||
| static int verbose; | ||
| static unsigned long expire; | ||
|
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| static int prune_worktree(const char *id, struct strbuf *reason) | ||
| { | ||
| struct stat st; | ||
| char *path; | ||
| int fd, len; | ||
|
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| 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; | ||
| } | ||
|
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||
| 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); | ||
| } | ||
|
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| static int prune(int ac, const char **av, const char *prefix) | ||
| { | ||
| struct option options[] = { | ||
| OPT__DRY_RUN(&show_only, N_("do not remove, show only")), | ||
| OPT__VERBOSE(&verbose, N_("report pruned objects")), | ||
| OPT_EXPIRY_DATE(0, "expire", &expire, | ||
| N_("expire objects older than <time>")), | ||
| OPT_END() | ||
| }; | ||
|
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| expire = ULONG_MAX; | ||
| ac = parse_options(ac, av, prefix, options, worktree_usage, 0); | ||
| if (ac) | ||
| usage_with_options(worktree_usage, options); | ||
| prune_worktrees(); | ||
| return 0; | ||
| } | ||
|
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| int cmd_worktree(int ac, const char **av, const char *prefix) | ||
| { | ||
| struct option options[] = { | ||
| OPT_END() | ||
| }; | ||
|
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| if (ac < 2) | ||
| usage_with_options(worktree_usage, options); | ||
| if (!strcmp(av[1], "prune")) | ||
| return prune(ac - 1, av + 1, prefix); | ||
| usage_with_options(worktree_usage, options); | ||
| } |
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