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authorJunio C Hamano <gitster@pobox.com>2017-04-26 06:39:12 (GMT)
committerJunio C Hamano <gitster@pobox.com>2017-04-26 06:39:12 (GMT)
commite31159746e30a24d7064bf30491ccd73444eb00a (patch)
tree4fc61f845670e28417a989d24fc37e7e91d645d3
parent7ba7bff6294153449453b27ebdcb2ad2e751736d (diff)
parent507e6e9eecce5e7a2cc204c844bbb2f9b17b31e3 (diff)
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Merge branch 'nd/worktree-add-lock'
Allow to lock a worktree immediately after it's created. This helps prevent a race between "git worktree add; git worktree lock" and "git worktree prune". * nd/worktree-add-lock: worktree add: add --lock option
-rw-r--r--Documentation/git-worktree.txt7
-rw-r--r--builtin/worktree.c15
-rwxr-xr-xt/t2025-worktree-add.sh6
3 files changed, 23 insertions, 5 deletions
diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt
index 553cf84..b472acc 100644
--- a/Documentation/git-worktree.txt
+++ b/Documentation/git-worktree.txt
@@ -9,7 +9,7 @@ git-worktree - Manage multiple working trees
SYNOPSIS
--------
[verse]
-'git worktree add' [-f] [--detach] [--checkout] [-b <new-branch>] <path> [<branch>]
+'git worktree add' [-f] [--detach] [--checkout] [--lock] [-b <new-branch>] <path> [<branch>]
'git worktree list' [--porcelain]
'git worktree lock' [--reason <string>] <worktree>
'git worktree prune' [-n] [-v] [--expire <expire>]
@@ -107,6 +107,11 @@ OPTIONS
such as configuring sparse-checkout. See "Sparse checkout"
in linkgit:git-read-tree[1].
+--lock::
+ Keep the working tree locked after creation. This is the
+ equivalent of `git worktree lock` after `git worktree add`,
+ but without race condition.
+
-n::
--dry-run::
With `prune`, do not remove anything; just report what it would
diff --git a/builtin/worktree.c b/builtin/worktree.c
index 57caa08..1722a9b 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -24,6 +24,7 @@ struct add_opts {
int force;
int detach;
int checkout;
+ int keep_locked;
const char *new_branch;
int force_new_branch;
};
@@ -240,7 +241,10 @@ static int add_worktree(const char *path, const char *refname,
* after the preparation is over.
*/
strbuf_addf(&sb, "%s/locked", sb_repo.buf);
- write_file(sb.buf, "initializing");
+ if (!opts->keep_locked)
+ write_file(sb.buf, "initializing");
+ else
+ write_file(sb.buf, "added with --lock");
strbuf_addf(&sb_git, "%s/.git", path);
if (safe_create_leading_directories_const(sb_git.buf))
@@ -301,9 +305,11 @@ static int add_worktree(const char *path, const char *refname,
junk_git_dir = NULL;
done:
- strbuf_reset(&sb);
- strbuf_addf(&sb, "%s/locked", sb_repo.buf);
- unlink_or_warn(sb.buf);
+ if (ret || !opts->keep_locked) {
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "%s/locked", sb_repo.buf);
+ unlink_or_warn(sb.buf);
+ }
argv_array_clear(&child_env);
strbuf_release(&sb);
strbuf_release(&symref);
@@ -326,6 +332,7 @@ static int add(int ac, const char **av, const char *prefix)
N_("create or reset a branch")),
OPT_BOOL(0, "detach", &opts.detach, N_("detach HEAD at named commit")),
OPT_BOOL(0, "checkout", &opts.checkout, N_("populate the new working tree")),
+ OPT_BOOL(0, "lock", &opts.keep_locked, N_("keep the new working tree locked")),
OPT_END()
};
diff --git a/t/t2025-worktree-add.sh b/t/t2025-worktree-add.sh
index b618d6b..b5c47ac 100755
--- a/t/t2025-worktree-add.sh
+++ b/t/t2025-worktree-add.sh
@@ -63,6 +63,12 @@ test_expect_success '"add" worktree' '
)
'
+test_expect_success '"add" worktree with lock' '
+ git rev-parse HEAD >expect &&
+ git worktree add --detach --lock here-with-lock master &&
+ test -f .git/worktrees/here-with-lock/locked
+'
+
test_expect_success '"add" worktree from a subdir' '
(
mkdir sub &&