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253 lines
6.1 KiB
253 lines
6.1 KiB
#include "cache.h" |
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#include "commit.h" |
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#include "diff.h" |
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#include "revision.h" |
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#include "builtin.h" |
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#include "reachable.h" |
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#include "parse-options.h" |
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#include "progress.h" |
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#include "dir.h" |
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|
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static const char * const prune_usage[] = { |
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N_("git prune [-n] [-v] [--expire <time>] [--] [<head>...]"), |
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NULL |
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}; |
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static int show_only; |
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static int verbose; |
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static unsigned long expire; |
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static int show_progress = -1; |
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static int prune_tmp_file(const char *fullpath) |
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{ |
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struct stat st; |
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if (lstat(fullpath, &st)) |
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return error("Could not stat '%s'", fullpath); |
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if (st.st_mtime > expire) |
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return 0; |
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if (show_only || verbose) |
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printf("Removing stale temporary file %s\n", fullpath); |
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if (!show_only) |
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unlink_or_warn(fullpath); |
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return 0; |
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} |
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static int prune_object(const unsigned char *sha1, const char *fullpath, |
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void *data) |
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{ |
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struct stat st; |
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|
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/* |
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* Do we know about this object? |
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* It must have been reachable |
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*/ |
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if (lookup_object(sha1)) |
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return 0; |
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if (lstat(fullpath, &st)) { |
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/* report errors, but do not stop pruning */ |
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error("Could not stat '%s'", fullpath); |
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return 0; |
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} |
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if (st.st_mtime > expire) |
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return 0; |
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if (show_only || verbose) { |
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enum object_type type = sha1_object_info(sha1, NULL); |
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printf("%s %s\n", sha1_to_hex(sha1), |
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(type > 0) ? typename(type) : "unknown"); |
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} |
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if (!show_only) |
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unlink_or_warn(fullpath); |
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return 0; |
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} |
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static int prune_cruft(const char *basename, const char *path, void *data) |
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{ |
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if (starts_with(basename, "tmp_obj_")) |
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prune_tmp_file(path); |
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else |
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fprintf(stderr, "bad sha1 file: %s\n", path); |
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return 0; |
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} |
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static int prune_subdir(int nr, const char *path, void *data) |
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{ |
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if (!show_only) |
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rmdir(path); |
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return 0; |
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} |
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static int prune_worktree(const char *id, struct strbuf *reason) |
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{ |
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struct stat st; |
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char *path; |
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int fd, len; |
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if (!is_directory(git_path("worktrees/%s", id))) { |
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strbuf_addf(reason, _("Removing worktrees/%s: not a valid directory"), id); |
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return 1; |
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} |
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if (file_exists(git_path("worktrees/%s/locked", id))) |
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return 0; |
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if (stat(git_path("worktrees/%s/gitdir", id), &st)) { |
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strbuf_addf(reason, _("Removing worktrees/%s: gitdir file does not exist"), id); |
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return 1; |
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} |
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fd = open(git_path("worktrees/%s/gitdir", id), O_RDONLY); |
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if (fd < 0) { |
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strbuf_addf(reason, _("Removing worktrees/%s: unable to read gitdir file (%s)"), |
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id, strerror(errno)); |
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return 1; |
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} |
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len = st.st_size; |
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path = xmalloc(len + 1); |
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read_in_full(fd, path, len); |
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close(fd); |
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while (len && (path[len - 1] == '\n' || path[len - 1] == '\r')) |
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len--; |
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if (!len) { |
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strbuf_addf(reason, _("Removing worktrees/%s: invalid gitdir file"), id); |
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free(path); |
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return 1; |
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} |
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path[len] = '\0'; |
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if (!file_exists(path)) { |
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struct stat st_link; |
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free(path); |
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/* |
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* the repo is moved manually and has not been |
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* accessed since? |
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*/ |
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if (!stat(git_path("worktrees/%s/link", id), &st_link) && |
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st_link.st_nlink > 1) |
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return 0; |
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if (st.st_mtime <= expire) { |
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strbuf_addf(reason, _("Removing worktrees/%s: gitdir file points to non-existent location"), id); |
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return 1; |
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} else { |
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return 0; |
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} |
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} |
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free(path); |
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return 0; |
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} |
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static void prune_worktrees(void) |
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{ |
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struct strbuf reason = STRBUF_INIT; |
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struct strbuf path = STRBUF_INIT; |
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DIR *dir = opendir(git_path("worktrees")); |
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struct dirent *d; |
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int ret; |
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if (!dir) |
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return; |
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while ((d = readdir(dir)) != NULL) { |
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if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, "..")) |
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continue; |
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strbuf_reset(&reason); |
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if (!prune_worktree(d->d_name, &reason)) |
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continue; |
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if (show_only || verbose) |
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printf("%s\n", reason.buf); |
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if (show_only) |
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continue; |
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strbuf_reset(&path); |
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strbuf_addstr(&path, git_path("worktrees/%s", d->d_name)); |
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ret = remove_dir_recursively(&path, 0); |
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if (ret < 0 && errno == ENOTDIR) |
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ret = unlink(path.buf); |
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if (ret) |
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error(_("failed to remove: %s"), strerror(errno)); |
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} |
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closedir(dir); |
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if (!show_only) |
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rmdir(git_path("worktrees")); |
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strbuf_release(&reason); |
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strbuf_release(&path); |
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} |
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/* |
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* Write errors (particularly out of space) can result in |
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* failed temporary packs (and more rarely indexes and other |
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* files beginning with "tmp_") accumulating in the object |
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* and the pack directories. |
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*/ |
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static void remove_temporary_files(const char *path) |
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{ |
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DIR *dir; |
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struct dirent *de; |
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dir = opendir(path); |
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if (!dir) { |
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fprintf(stderr, "Unable to open directory %s\n", path); |
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return; |
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} |
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while ((de = readdir(dir)) != NULL) |
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if (starts_with(de->d_name, "tmp_")) |
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prune_tmp_file(mkpath("%s/%s", path, de->d_name)); |
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closedir(dir); |
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} |
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int cmd_prune(int argc, const char **argv, const char *prefix) |
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{ |
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struct rev_info revs; |
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struct progress *progress = NULL; |
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int do_prune_worktrees = 0; |
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const struct option options[] = { |
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OPT__DRY_RUN(&show_only, N_("do not remove, show only")), |
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OPT__VERBOSE(&verbose, N_("report pruned objects")), |
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OPT_BOOL(0, "progress", &show_progress, N_("show progress")), |
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OPT_BOOL(0, "worktrees", &do_prune_worktrees, N_("prune .git/worktrees")), |
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OPT_EXPIRY_DATE(0, "expire", &expire, |
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N_("expire objects older than <time>")), |
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OPT_END() |
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}; |
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char *s; |
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expire = ULONG_MAX; |
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save_commit_buffer = 0; |
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check_replace_refs = 0; |
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ref_paranoia = 1; |
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init_revisions(&revs, prefix); |
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argc = parse_options(argc, argv, prefix, options, prune_usage, 0); |
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if (do_prune_worktrees) { |
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if (argc) |
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die(_("--worktrees does not take extra arguments")); |
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prune_worktrees(); |
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return 0; |
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} |
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while (argc--) { |
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unsigned char sha1[20]; |
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const char *name = *argv++; |
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if (!get_sha1(name, sha1)) { |
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struct object *object = parse_object_or_die(sha1, name); |
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add_pending_object(&revs, object, ""); |
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} |
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else |
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die("unrecognized argument: %s", name); |
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} |
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if (show_progress == -1) |
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show_progress = isatty(2); |
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if (show_progress) |
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progress = start_progress_delay(_("Checking connectivity"), 0, 0, 2); |
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mark_reachable_objects(&revs, 1, expire, progress); |
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stop_progress(&progress); |
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for_each_loose_file_in_objdir(get_object_directory(), prune_object, |
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prune_cruft, prune_subdir, NULL); |
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prune_packed_objects(show_only ? PRUNE_PACKED_DRY_RUN : 0); |
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remove_temporary_files(get_object_directory()); |
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s = mkpathdup("%s/pack", get_object_directory()); |
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remove_temporary_files(s); |
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free(s); |
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if (is_repository_shallow()) |
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prune_shallow(show_only); |
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return 0; |
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}
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