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189 lines
4.6 KiB
189 lines
4.6 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 "prune-packed.h" |
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#include "object-store.h" |
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#include "shallow.h" |
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static const char * const prune_usage[] = { |
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N_("git prune [-n] [-v] [--progress] [--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 timestamp_t 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 void perform_reachability_traversal(struct rev_info *revs) |
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{ |
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static int initialized; |
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struct progress *progress = NULL; |
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if (initialized) |
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return; |
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if (show_progress) |
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progress = start_delayed_progress(_("Checking connectivity"), 0); |
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mark_reachable_objects(revs, 1, expire, progress); |
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stop_progress(&progress); |
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initialized = 1; |
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} |
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static int is_object_reachable(const struct object_id *oid, |
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struct rev_info *revs) |
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{ |
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struct object *obj; |
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perform_reachability_traversal(revs); |
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obj = lookup_object(the_repository, oid); |
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return obj && (obj->flags & SEEN); |
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} |
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static int prune_object(const struct object_id *oid, const char *fullpath, |
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void *data) |
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{ |
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struct rev_info *revs = data; |
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struct stat st; |
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if (is_object_reachable(oid, revs)) |
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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 = oid_object_info(the_repository, oid, |
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NULL); |
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printf("%s %s\n", oid_to_hex(oid), |
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(type > 0) ? type_name(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(unsigned 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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/* |
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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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int exclude_promisor_objects = 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_EXPIRY_DATE(0, "expire", &expire, |
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N_("expire objects older than <time>")), |
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OPT_BOOL(0, "exclude-promisor-objects", &exclude_promisor_objects, |
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N_("limit traversal to objects outside promisor packfiles")), |
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OPT_END() |
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}; |
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char *s; |
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expire = TIME_MAX; |
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save_commit_buffer = 0; |
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read_replace_refs = 0; |
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ref_paranoia = 1; |
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repo_init_revisions(the_repository, &revs, prefix); |
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argc = parse_options(argc, argv, prefix, options, prune_usage, 0); |
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if (repository_format_precious_objects) |
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die(_("cannot prune in a precious-objects repo")); |
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while (argc--) { |
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struct object_id oid; |
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const char *name = *argv++; |
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if (!get_oid(name, &oid)) { |
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struct object *object = parse_object_or_die(&oid, |
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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 (exclude_promisor_objects) { |
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fetch_if_missing = 0; |
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revs.exclude_promisor_objects = 1; |
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} |
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for_each_loose_file_in_objdir(get_object_directory(), prune_object, |
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prune_cruft, prune_subdir, &revs); |
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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(the_repository)) { |
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perform_reachability_traversal(&revs); |
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prune_shallow(show_only ? PRUNE_SHOW_ONLY : 0); |
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} |
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return 0; |
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}
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