#include "cache.h" #include "commit.h" #include "diff.h" #include "revision.h" #include "builtin.h" #include "reachable.h" #include "parse-options.h" #include "progress.h" #include "object-store.h" static const char * const prune_usage[] = { N_("git prune [-n] [-v] [--progress] [--expire <time>] [--] [<head>...]"), NULL }; static int show_only; static int verbose; static timestamp_t expire; static int show_progress = -1; static int prune_tmp_file(const char *fullpath) { struct stat st; if (lstat(fullpath, &st)) return error("Could not stat '%s'", fullpath); if (st.st_mtime > expire) return 0; if (show_only || verbose) printf("Removing stale temporary file %s\n", fullpath); if (!show_only) unlink_or_warn(fullpath); return 0; } static int prune_object(const struct object_id *oid, const char *fullpath, void *data) { struct stat st; /* * Do we know about this object? * It must have been reachable */ if (lookup_object(the_repository, oid->hash)) return 0; if (lstat(fullpath, &st)) { /* report errors, but do not stop pruning */ error("Could not stat '%s'", fullpath); return 0; } if (st.st_mtime > expire) return 0; if (show_only || verbose) { enum object_type type = oid_object_info(the_repository, oid, NULL); printf("%s %s\n", oid_to_hex(oid), (type > 0) ? type_name(type) : "unknown"); } if (!show_only) unlink_or_warn(fullpath); return 0; } static int prune_cruft(const char *basename, const char *path, void *data) { if (starts_with(basename, "tmp_obj_")) prune_tmp_file(path); else fprintf(stderr, "bad sha1 file: %s\n", path); return 0; } static int prune_subdir(unsigned int nr, const char *path, void *data) { if (!show_only) rmdir(path); return 0; } /* * Write errors (particularly out of space) can result in * failed temporary packs (and more rarely indexes and other * files beginning with "tmp_") accumulating in the object * and the pack directories. */ static void remove_temporary_files(const char *path) { DIR *dir; struct dirent *de; dir = opendir(path); if (!dir) { fprintf(stderr, "Unable to open directory %s\n", path); return; } while ((de = readdir(dir)) != NULL) if (starts_with(de->d_name, "tmp_")) prune_tmp_file(mkpath("%s/%s", path, de->d_name)); closedir(dir); } int cmd_prune(int argc, const char **argv, const char *prefix) { struct rev_info revs; struct progress *progress = NULL; int exclude_promisor_objects = 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_EXPIRY_DATE(0, "expire", &expire, N_("expire objects older than <time>")), OPT_BOOL(0, "exclude-promisor-objects", &exclude_promisor_objects, N_("limit traversal to objects outside promisor packfiles")), OPT_END() }; char *s; expire = TIME_MAX; save_commit_buffer = 0; read_replace_refs = 0; ref_paranoia = 1; init_revisions(&revs, prefix); argc = parse_options(argc, argv, prefix, options, prune_usage, 0); if (repository_format_precious_objects) die(_("cannot prune in a precious-objects repo")); while (argc--) { struct object_id oid; const char *name = *argv++; if (!get_oid(name, &oid)) { struct object *object = parse_object_or_die(&oid, name); add_pending_object(&revs, object, ""); } else die("unrecognized argument: %s", name); } if (show_progress == -1) show_progress = isatty(2); if (show_progress) progress = start_delayed_progress(_("Checking connectivity"), 0); if (exclude_promisor_objects) { fetch_if_missing = 0; revs.exclude_promisor_objects = 1; } mark_reachable_objects(&revs, 1, expire, progress); stop_progress(&progress); for_each_loose_file_in_objdir(get_object_directory(), prune_object, prune_cruft, prune_subdir, NULL); prune_packed_objects(show_only ? PRUNE_PACKED_DRY_RUN : 0); remove_temporary_files(get_object_directory()); s = mkpathdup("%s/pack", get_object_directory()); remove_temporary_files(s); free(s); if (is_repository_shallow(the_repository)) prune_shallow(show_only); return 0; }