[PATCH v3 2/2] worktree: stop supporting moving worktrees manually

From

Nguyễn Thái Ngọc Duy <pclouds@gmail.com>

Date

Jan 22, 2016, 08:35 UTC

Message-ID

<1453451749-10660-3-git-send-email-pclouds@gmail.com>

In-Reply-To

<1453451749-10660-1-git-send-email-pclouds@gmail.com>

Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 Documentation/git-worktree.txt | 15 ++++++++++-----
 setup.c                        | 12 ------------
 2 files changed, 10 insertions(+), 17 deletions(-)

diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt
index 5b9ad04..62c76c1 100644
--- a/Documentation/git-worktree.txt
+++ b/Documentation/git-worktree.txt
@@ -32,11 +32,9 @@ The working tree's administrative files in the repository (see
 `git worktree prune` in the main or any linked working tree to
 clean up any stale administrative files.
 
-If you move a linked working tree to another file system, or
-within a file system that does not support hard links, you need to run
-at least one git command inside the linked working tree
-(e.g. `git status`) in order to update its administrative files in the
-repository so that they do not get automatically pruned.
+If you move a linked working tree, you need to manually update the
+administrative files so that they do not get pruned automatically. See
+section "DETAILS" for more information.
 
 If a linked working tree is stored on a portable device or network share
 which is not always mounted, you can prevent its administrative files from
@@ -137,6 +135,13 @@ thumb is do not make any assumption about whether a path belongs to
 $GIT_DIR or $GIT_COMMON_DIR when you need to directly access something
 inside $GIT_DIR. Use `git rev-parse --git-path` to get the final path.
 
+If you move a linked working tree, you need to update the 'gitdir' file
+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.
+
 To prevent a $GIT_DIR/worktrees entry from being pruned (which
 can be useful in some situations, such as when the
 entry's working tree is stored on a portable device), add a file named
diff --git a/setup.c b/setup.c
index d343725..6ee2b23 100644
--- a/setup.c
+++ b/setup.c
@@ -434,17 +434,6 @@ static int check_repository_format_gently(const char *gitdir, int *nongit_ok)
 	return ret;
 }
 
-static void update_linked_gitdir(const char *gitfile, const char *gitdir)
-{
-	struct strbuf path = STRBUF_INIT;
-	struct stat st;
-
-	strbuf_addf(&path, "%s/gitdir", gitdir);
-	if (stat(path.buf, &st) || st.st_mtime + 24 * 3600 < time(NULL))
-		write_file(path.buf, "%s", gitfile);
-	strbuf_release(&path);
-}
-
 /*
  * Try to read the location of the git directory from the .git file,
  * return path to git directory if found.
@@ -514,7 +503,6 @@ const char *read_gitfile_gently(const char *path, int *return_error_code)
 		error_code = READ_GITFILE_ERR_NOT_A_REPO;
 		goto cleanup_return;
 	}
-	update_linked_gitdir(path, dir);
 	path = real_path(dir);
 
 cleanup_return:

-- 
2.7.0.125.g9eec362