target = refs_resolve_ref_unsafe(get_worktree_ref_store(wt),
"HEAD",
0,
- wt->head_sha1, &flags);
+ &wt->head_oid, &flags);
if (!target)
return;
if (prefix)
arg = to_free = prefix_filename(prefix, arg);
- path = real_pathdup(arg, 1);
+ path = real_pathdup(arg, 0);
+ if (!path) {
+ free(to_free);
+ return NULL;
+ }
for (; *list; list++)
if (!fspathcmp(path, real_path((*list)->path)))
break;
return !wt->id;
}
-const char *is_worktree_locked(struct worktree *wt)
+const char *worktree_lock_reason(struct worktree *wt)
{
assert(!is_main_worktree(wt));
return wt->lock_reason;
}
+/* convenient wrapper to deal with NULL strbuf */
+static void strbuf_addf_gently(struct strbuf *buf, const char *fmt, ...)
+{
+ va_list params;
+
+ if (!buf)
+ return;
+
+ va_start(params, fmt);
+ strbuf_vaddf(buf, fmt, params);
+ va_end(params);
+}
+
+int validate_worktree(const struct worktree *wt, struct strbuf *errmsg,
+ unsigned flags)
+{
+ struct strbuf wt_path = STRBUF_INIT;
+ char *path = NULL;
+ int err, ret = -1;
+
+ strbuf_addf(&wt_path, "%s/.git", wt->path);
+
+ if (is_main_worktree(wt)) {
+ if (is_directory(wt_path.buf)) {
+ ret = 0;
+ goto done;
+ }
+ /*
+ * Main worktree using .git file to point to the
+ * repository would make it impossible to know where
+ * the actual worktree is if this function is executed
+ * from another worktree. No .git file support for now.
+ */
+ strbuf_addf_gently(errmsg,
+ _("'%s' at main working tree is not the repository directory"),
+ wt_path.buf);
+ goto done;
+ }
+
+ /*
+ * Make sure "gitdir" file points to a real .git file and that
+ * file points back here.
+ */
+ if (!is_absolute_path(wt->path)) {
+ strbuf_addf_gently(errmsg,
+ _("'%s' file does not contain absolute path to the working tree location"),
+ git_common_path("worktrees/%s/gitdir", wt->id));
+ goto done;
+ }
+
+ if (flags & WT_VALIDATE_WORKTREE_MISSING_OK &&
+ !file_exists(wt->path)) {
+ ret = 0;
+ goto done;
+ }
+
+ if (!file_exists(wt_path.buf)) {
+ strbuf_addf_gently(errmsg, _("'%s' does not exist"), wt_path.buf);
+ goto done;
+ }
+
+ path = xstrdup_or_null(read_gitfile_gently(wt_path.buf, &err));
+ if (!path) {
+ strbuf_addf_gently(errmsg, _("'%s' is not a .git file, error code %d"),
+ wt_path.buf, err);
+ goto done;
+ }
+
+ ret = fspathcmp(path, real_path(git_common_path("worktrees/%s", wt->id)));
+
+ if (ret)
+ strbuf_addf_gently(errmsg, _("'%s' does not point back to '%s'"),
+ wt->path, git_common_path("worktrees/%s", wt->id));
+done:
+ free(path);
+ strbuf_release(&wt_path);
+ return ret;
+}
+
+void update_worktree_location(struct worktree *wt, const char *path_)
+{
+ struct strbuf path = STRBUF_INIT;
+
+ if (is_main_worktree(wt))
+ BUG("can't relocate main worktree");
+
+ strbuf_realpath(&path, path_, 1);
+ if (fspathcmp(wt->path, path.buf)) {
+ write_file(git_common_path("worktrees/%s/gitdir", wt->id),
+ "%s/.git", path.buf);
+ free(wt->path);
+ wt->path = strbuf_detach(&path, NULL);
+ }
+ strbuf_release(&path);
+}
+
int is_worktree_being_rebased(const struct worktree *wt,
const char *target)
{
for (i = 0; worktrees[i]; i++) {
struct worktree *wt = worktrees[i];
const char *symref_target;
- unsigned char sha1[20];
struct ref_store *refs;
int flags;
refs = get_worktree_ref_store(wt);
symref_target = refs_resolve_ref_unsafe(refs, symref, 0,
- sha1, &flags);
- if ((flags & REF_ISSYMREF) && !strcmp(symref_target, target)) {
+ NULL, &flags);
+ if ((flags & REF_ISSYMREF) &&
+ symref_target && !strcmp(symref_target, target)) {
existing = wt;
break;
}
closedir(dir);
return ret;
}
+
+int parse_worktree_ref(const char *worktree_ref, const char **name,
+ int *name_length, const char **ref)
+{
+ if (skip_prefix(worktree_ref, "main-worktree/", &worktree_ref)) {
+ if (!*worktree_ref)
+ return -1;
+ if (name)
+ *name = NULL;
+ if (name_length)
+ *name_length = 0;
+ if (ref)
+ *ref = worktree_ref;
+ return 0;
+ }
+ if (skip_prefix(worktree_ref, "worktrees/", &worktree_ref)) {
+ const char *slash = strchr(worktree_ref, '/');
+
+ if (!slash || slash == worktree_ref || !slash[1])
+ return -1;
+ if (name)
+ *name = worktree_ref;
+ if (name_length)
+ *name_length = slash - worktree_ref;
+ if (ref)
+ *ref = slash + 1;
+ return 0;
+ }
+ return -1;
+}
+
+void strbuf_worktree_ref(const struct worktree *wt,
+ struct strbuf *sb,
+ const char *refname)
+{
+ switch (ref_type(refname)) {
+ case REF_TYPE_PSEUDOREF:
+ case REF_TYPE_PER_WORKTREE:
+ if (wt && !wt->is_current) {
+ if (is_main_worktree(wt))
+ strbuf_addstr(sb, "main-worktree/");
+ else
+ strbuf_addf(sb, "worktrees/%s/", wt->id);
+ }
+ break;
+
+ case REF_TYPE_MAIN_PSEUDOREF:
+ case REF_TYPE_OTHER_PSEUDOREF:
+ break;
+
+ case REF_TYPE_NORMAL:
+ /*
+ * For shared refs, don't prefix worktrees/ or
+ * main-worktree/. It's not necessary and
+ * files-backend.c can't handle it anyway.
+ */
+ break;
+ }
+ strbuf_addstr(sb, refname);
+}
+
+const char *worktree_ref(const struct worktree *wt, const char *refname)
+{
+ static struct strbuf sb = STRBUF_INIT;
+
+ strbuf_reset(&sb);
+ strbuf_worktree_ref(wt, &sb, refname);
+ return sb.buf;
+}
+
+int other_head_refs(each_ref_fn fn, void *cb_data)
+{
+ struct worktree **worktrees, **p;
+ int ret = 0;
+
+ worktrees = get_worktrees(0);
+ for (p = worktrees; *p; p++) {
+ struct worktree *wt = *p;
+ struct object_id oid;
+ int flag;
+
+ if (wt->is_current)
+ continue;
+
+ if (!refs_read_ref_full(get_main_ref_store(the_repository),
+ worktree_ref(wt, "HEAD"),
+ RESOLVE_REF_READING,
+ &oid, &flag))
+ ret = fn(worktree_ref(wt, "HEAD"), &oid, flag, cb_data);
+ if (ret)
+ break;
+ }
+ free_worktrees(worktrees);
+ return ret;
+}