if (!git_dir)
git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
+ /*
+ * When --separate-git-dir is used inside a linked worktree, take
+ * care to ensure that the common .git/ directory is relocated, not
+ * the worktree-specific .git/worktrees/<id>/ directory.
+ */
+ if (real_git_dir) {
+ int err;
+ const char *p;
+ struct strbuf sb = STRBUF_INIT;
+
+ p = read_gitfile_gently(git_dir, &err);
+ if (p && get_common_dir(&sb, p)) {
+ struct strbuf mainwt = STRBUF_INIT;
+
+ strbuf_addbuf(&mainwt, &sb);
+ strbuf_strip_suffix(&mainwt, "/.git");
+ if (chdir(mainwt.buf) < 0)
+ die_errno(_("cannot chdir to %s"), mainwt.buf);
+ strbuf_release(&mainwt);
+ git_dir = strbuf_detach(&sb, NULL);
+ }
+ strbuf_release(&sb);
+ }
+
if (is_bare_repository_cfg < 0)
is_bare_repository_cfg = guess_repository_type(git_dir);
test_i18ngrep "incompatible" err
'
+test_expect_success 'bare & --separate-git-dir incompatible within worktree' '
+ test_when_finished "rm -rf bare.git linkwt seprepo" &&
+ test_commit gumby &&
+ git clone --bare . bare.git &&
+ git -C bare.git worktree add --detach ../linkwt &&
+ test_must_fail git -C linkwt init --separate-git-dir seprepo 2>err &&
+ test_i18ngrep "incompatible" err
+'
+
test_lazy_prereq GETCWD_IGNORES_PERMS '
base=GETCWD_TEST_BASE_DIR &&
mkdir -p $base/dir &&
test_path_is_dir realgitdir/refs
'
-test_expect_success 're-init to move gitdir with linked worktrees' '
+sep_git_dir_worktree () {
test_when_finished "rm -rf mainwt linkwt seprepo" &&
git init mainwt &&
test_commit -C mainwt gumby &&
git -C mainwt worktree add --detach ../linkwt &&
- git -C mainwt init --separate-git-dir ../seprepo &&
+ git -C "$1" init --separate-git-dir ../seprepo &&
git -C mainwt rev-parse --git-common-dir >expect &&
git -C linkwt rev-parse --git-common-dir >actual &&
test_cmp expect actual
+}
+
+test_expect_success 're-init to move gitdir with linked worktrees' '
+ sep_git_dir_worktree mainwt
+'
+
+test_expect_success 're-init to move gitdir within linked worktree' '
+ sep_git_dir_worktree linkwt
'
test_expect_success MINGW '.git hidden' '