worktree: teach 'move' to override lock when --force given twice

For consistency with "add -f -f", which allows a missing but locked worktree path to be re-used, allow "move -f -f" to override a lock, as well, as a convenience. Signed-off-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Eric Sunshine committed Aug 28, 2018 at 17:20 UTC 68a6b3a1bd45eb1814a0c1cedfe347692c3f2ff7
3 files changed +26 -4
Documentation/git-worktree.txt
+3
@@ -125,6 +125,9 @@ OPTIONS
125 manually). This option overrides these safeguards. To add a missing but
126 locked working tree path, specify `--force` twice.
127 +
128 +`move` refuses to move a locked working tree unless `--force` is specified
129 +twice.
130 ++
131 `remove` refuses to remove an unclean working tree unless `--force` is used.
132
133 -b <new-branch>::
builtin/worktree.c
+9 -4
@@ -740,13 +740,17 @@ static void validate_no_submodules(const struct worktree *wt)
740
741 static int move_worktree(int ac, const char **av, const char *prefix)
742 {
743 + int force = 0;
744 struct option options[] = {
745 + OPT__FORCE(&force,
746 + N_("force move even if worktree is dirty or locked"),
747 + PARSE_OPT_NOCOMPLETE),
748 OPT_END()
749 };
750 struct worktree **worktrees, *wt;
751 struct strbuf dst = STRBUF_INIT;
752 struct strbuf errmsg = STRBUF_INIT;
749 - const char *reason;
753 + const char *reason = NULL;
754 char *path;
755
756 ac = parse_options(ac, av, prefix, options, worktree_usage, 0);
@@ -777,12 +781,13 @@ static int move_worktree(int ac, const char **av, const char *prefix)
781
782 validate_no_submodules(wt);
783
780 - reason = is_worktree_locked(wt);
784 + if (force < 2)
785 + reason = is_worktree_locked(wt);
786 if (reason) {
787 if (*reason)
783 - die(_("cannot move a locked working tree, lock reason: %s"),
788 + die(_("cannot move a locked working tree, lock reason: %s\nuse 'move -f -f' to override or unlock first"),
789 reason);
785 - die(_("cannot move a locked working tree"));
790 + die(_("cannot move a locked working tree;\nuse 'move -f -f' to override or unlock first"));
791 }
792 if (validate_worktree(wt, &errmsg, 0))
793 die(_("validation failed, cannot move working tree: %s"),
t/t2028-worktree-move.sh
+14
@@ -98,6 +98,20 @@ test_expect_success 'move worktree to another dir' '
98 test_cmp expected2 actual2
99 '
100
101 +test_expect_success 'move locked worktree (force)' '
102 + test_when_finished "
103 + git worktree unlock flump || :
104 + git worktree remove flump || :
105 + git worktree unlock ploof || :
106 + git worktree remove ploof || :
107 + " &&
108 + git worktree add --detach flump &&
109 + git worktree lock flump &&
110 + test_must_fail git worktree move flump ploof" &&
111 + test_must_fail git worktree move --force flump ploof" &&
112 + git worktree move --force --force flump ploof
113 +'
114 +
115 test_expect_success 'remove main worktree' '
116 test_must_fail git worktree remove .
117 '