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Diffstat (limited to 'builtin/prune.c')
-rw-r--r--builtin/prune.c177
1 files changed, 121 insertions, 56 deletions
diff --git a/builtin/prune.c b/builtin/prune.c
index 144a3bdb33..0c73246c72 100644
--- a/builtin/prune.c
+++ b/builtin/prune.c
@@ -31,11 +31,23 @@ static int prune_tmp_file(const char *fullpath)
return 0;
}
-static int prune_object(const char *fullpath, const unsigned char *sha1)
+static int prune_object(const unsigned char *sha1, const char *fullpath,
+ void *data)
{
struct stat st;
- if (lstat(fullpath, &st))
- return error("Could not stat '%s'", fullpath);
+
+ /*
+ * Do we know about this object?
+ * It must have been reachable
+ */
+ if (lookup_object(sha1))
+ 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) {
@@ -48,68 +60,109 @@ static int prune_object(const char *fullpath, const unsigned char *sha1)
return 0;
}
-static int prune_dir(int i, struct strbuf *path)
+static int prune_cruft(const char *basename, const char *path, void *data)
{
- size_t baselen = path->len;
- DIR *dir = opendir(path->buf);
- struct dirent *de;
+ if (starts_with(basename, "tmp_obj_"))
+ prune_tmp_file(path);
+ else
+ fprintf(stderr, "bad sha1 file: %s\n", path);
+ return 0;
+}
- if (!dir)
- return 0;
+static int prune_subdir(int nr, const char *path, void *data)
+{
+ if (!show_only)
+ rmdir(path);
+ return 0;
+}
- while ((de = readdir(dir)) != NULL) {
- char name[100];
- unsigned char sha1[20];
+static int prune_worktree(const char *id, struct strbuf *reason)
+{
+ struct stat st;
+ char *path;
+ int fd, len;
- if (is_dot_or_dotdot(de->d_name))
- continue;
- if (strlen(de->d_name) == 38) {
- sprintf(name, "%02x", i);
- memcpy(name+2, de->d_name, 39);
- if (get_sha1_hex(name, sha1) < 0)
- break;
-
- /*
- * Do we know about this object?
- * It must have been reachable
- */
- if (lookup_object(sha1))
- continue;
-
- strbuf_addf(path, "/%s", de->d_name);
- prune_object(path->buf, sha1);
- strbuf_setlen(path, baselen);
- continue;
- }
- if (starts_with(de->d_name, "tmp_obj_")) {
- strbuf_addf(path, "/%s", de->d_name);
- prune_tmp_file(path->buf);
- strbuf_setlen(path, baselen);
- continue;
+ 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;
}
- fprintf(stderr, "bad sha1 file: %s/%s\n", path->buf, de->d_name);
}
- closedir(dir);
- if (!show_only)
- rmdir(path->buf);
+ free(path);
return 0;
}
-static void prune_object_dir(const char *path)
+static void prune_worktrees(void)
{
- struct strbuf buf = STRBUF_INIT;
- size_t baselen;
- int i;
-
- strbuf_addstr(&buf, path);
- strbuf_addch(&buf, '/');
- baselen = buf.len;
-
- for (i = 0; i < 256; i++) {
- strbuf_addf(&buf, "%02x", i);
- prune_dir(i, &buf);
- strbuf_setlen(&buf, baselen);
+ 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);
}
/*
@@ -138,10 +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()
@@ -151,9 +206,18 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
expire = ULONG_MAX;
save_commit_buffer = 0;
check_replace_refs = 0;
+ ref_paranoia = 1;
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++;
@@ -171,9 +235,10 @@ int cmd_prune(int argc, const char **argv, const char *prefix)
if (show_progress)
progress = start_progress_delay(_("Checking connectivity"), 0, 0, 2);
- mark_reachable_objects(&revs, 1, progress);
+ mark_reachable_objects(&revs, 1, expire, progress);
stop_progress(&progress);
- prune_object_dir(get_object_directory());
+ 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());