This is a low-level command that can be used to correct worktree
information after a worktree is moved. The idea is like 'index refresh'.
In future we may do "worktree refresh" automatically to keep it from
being pruned.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
Documentation/git-worktree.txt | 8 +++++++-
builtin/worktree.c | 18 ++++++++++++++++++
t/t1501-worktree.sh | 9 +++++++++
3 files changed, 34 insertions(+), 1 deletion(-)
diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt
index 62c76c1..306aeec 100644
--- a/Documentation/git-worktree.txt
+++ b/Documentation/git-worktree.txt
@@ -12,6 +12,7 @@ SYNOPSIS
'git worktree add' [-f] [--detach] [-b <new-branch>] <path> [<branch>]
'git worktree prune' [-n] [-v] [--expire <expire>]
'git worktree list' [--porcelain]
+'git worktree refresh'
DESCRIPTION
-----------
@@ -65,6 +66,11 @@ each of the linked worktrees. The output details include if the worktree is
bare, the revision currently checked out, and the branch currently checked out
(or 'detached HEAD' if none).
+refresh::
+
+This command is required to update worktree's information after it's moved.
+Executed from inside the moved worktree.
+
OPTIONS
-------
@@ -140,7 +146,7 @@ in the entry's directory. For example, if a linked working tree is moved
to `/newpath/test-next` and its `.git` file points to
`/path/main/.git/worktrees/test-next`, then update
`/path/main/.git/worktrees/test-next/gitdir` to reference `/newpath/test-next`
-instead.
+instead. Alternatively you can run "git worktree refresh".
To prevent a $GIT_DIR/worktrees entry from being pruned (which
can be useful in some situations, such as when the
diff --git a/builtin/worktree.c b/builtin/worktree.c
index 475b958..0183ce0 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -445,6 +445,22 @@ static int list(int ac, const char **av, const char *prefix)
return 0;
}
+static int refresh(int ac, const char **av, const char *prefix)
+{
+ const char *gitdir;
+
+ if (ac != 1)
+ die(_("Arguments not expected"));
+
+ gitdir = git_pathdup("gitdir");
+ if (access(gitdir, F_OK))
+ return 0;
+ if (!startup_info->first_gitfile)
+ die("BUG: .git file's location not found");
+ write_file(gitdir, "%s", startup_info->first_gitfile);
+ return 0;
+}
+
int cmd_worktree(int ac, const char **av, const char *prefix)
{
struct option options[] = {
@@ -459,5 +475,7 @@ int cmd_worktree(int ac, const char **av, const char *prefix)
return prune(ac - 1, av + 1, prefix);
if (!strcmp(av[1], "list"))
return list(ac - 1, av + 1, prefix);
+ if (!strcmp(av[1], "refresh"))
+ return refresh(ac - 1, av + 1, prefix);
usage_with_options(worktree_usage, options);
}
diff --git a/t/t1501-worktree.sh b/t/t1501-worktree.sh
index cc5b870..821831b 100755
--- a/t/t1501-worktree.sh
+++ b/t/t1501-worktree.sh
@@ -423,4 +423,13 @@ test_expect_success '$GIT_WORK_TREE overrides $GIT_DIR/common' '
)
'
+test_expect_success 'worktree refresh corrects gitdir file' '
+ git worktree add test-refresh &&
+ P=repo.git/worktrees/test-refresh/gitdir &&
+ echo corrupt >$P &&
+ git -C test-refresh worktree refresh &&
+ echo "$TRASH_DIRECTORY/test-refresh/.git" >expected &&
+ test_cmp expected $P
+'
+
test_done
--
2.7.0.96.g5373197
--
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