Helped-by: Eric Sunshine <sunshine@xxxxxxxxxxxxxx>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
Documentation/git-worktree.txt | 22 ++++++++++----
builtin/worktree.c | 43 +++++++++++++++++++++++++++
contrib/completion/git-completion.bash | 5 +++-
t/t2028-worktree-move.sh (new +x) | 54 ++++++++++++++++++++++++++++++++++
4 files changed, 117 insertions(+), 7 deletions(-)
create mode 100755 t/t2028-worktree-move.sh
diff --git a/Documentation/git-worktree.txt b/Documentation/git-worktree.txt
index 27feff6..004d770 100644
--- a/Documentation/git-worktree.txt
+++ b/Documentation/git-worktree.txt
@@ -11,6 +11,7 @@ SYNOPSIS
[verse]
'git worktree add' [-f] [--detach] [--checkout] [-b <new-branch>] <path> [<branch>]
'git worktree list' [--porcelain]
+'git worktree lock' [--reason <string>] <path>
'git worktree prune' [-n] [-v] [--expire <expire>]
DESCRIPTION
@@ -38,9 +39,8 @@ 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
-being pruned by creating a file named 'locked' alongside the other
-administrative files, optionally containing a plain text reason that
-pruning should be suppressed. See section "DETAILS" for more information.
+being pruned by issuing the `git worktree lock` command, optionally
+specifying `--reason` to explain why the working tree is locked.
COMMANDS
--------
@@ -61,6 +61,14 @@ 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).
+lock::
+
+If a working tree is on a portable device or network share which
+is not always mounted, lock it to prevent its administrative
+files from being pruned automatically. This also prevents it from
+being moved or deleted. Optionally, specify a reason for the lock
+with `--reason`.
+
prune::
Prune working tree information in $GIT_DIR/worktrees.
@@ -110,6 +118,9 @@ OPTIONS
--expire <time>::
With `prune`, only expire unused working trees older than <time>.
+--reason <string>:
+ With `lock`, an explanation why the worktree is locked.
+
DETAILS
-------
Each linked working tree has a private sub-directory in the repository's
@@ -150,7 +161,8 @@ 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
+entry's working tree is stored on a portable device), use the
+`git worktree lock` comamnd, which adds a file named
'locked' to the entry's directory. The file contains the reason in
plain text. For example, if a linked working tree's `.git` file points
to `/path/main/.git/worktrees/test-next` then a file named
@@ -226,8 +238,6 @@ performed manually, such as:
- `remove` to remove a linked working tree and its administrative files (and
warn if the working tree is dirty)
- `mv` to move or rename a working tree and update its administrative files
-- `lock` to prevent automatic pruning of administrative files (for instance,
- for a working tree on a portable device)
GIT
---
diff --git a/builtin/worktree.c b/builtin/worktree.c
index f9dac37..9008dcd 100644
--- a/builtin/worktree.c
+++ b/builtin/worktree.c
@@ -14,6 +14,7 @@
static const char * const worktree_usage[] = {
N_("git worktree add [<options>] <path> [<branch>]"),
N_("git worktree list [<options>]"),
+ N_("git worktree lock [<options>] <path>"),
N_("git worktree prune [<options>]"),
NULL
};
@@ -459,6 +460,46 @@ static int list(int ac, const char **av, const char *prefix)
return 0;
}
+static int lock_worktree(int ac, const char **av, const char *prefix)
+{
+ const char *reason = "", *old_reason;
+ struct option options[] = {
+ OPT_STRING(0, "reason", &reason, N_("string"),
+ N_("reason for locking")),
+ OPT_END()
+ };
+ struct worktree **worktrees, *wt;
+ struct strbuf dst = STRBUF_INIT;
+
+ ac = parse_options(ac, av, prefix, options, worktree_usage, 0);
+ if (ac != 1)
+ usage_with_options(worktree_usage, options);
+
+ strbuf_addstr(&dst, prefix_filename(prefix,
+ strlen(prefix),
+ av[0]));
+
+ worktrees = get_worktrees();
+ wt = find_worktree_by_path(worktrees, dst.buf);
+ strbuf_release(&dst);
+ if (!wt)
+ die(_("'%s' is not a working directory"), av[0]);
+ if (is_main_worktree(wt))
+ die(_("'%s' is a main working directory"), av[0]);
+
+ old_reason = is_worktree_locked(wt);
+ if (old_reason) {
+ if (*old_reason)
+ die(_("already locked, reason: %s"), old_reason);
+ die(_("already locked"));
+ }
+
+ write_file(git_common_path("worktrees/%s/locked", wt->id),
+ "%s", reason);
+ free_worktrees(worktrees);
+ return 0;
+}
+
int cmd_worktree(int ac, const char **av, const char *prefix)
{
struct option options[] = {
@@ -475,5 +516,7 @@ 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], "lock"))
+ return lock_worktree(ac - 1, av + 1, prefix);
usage_with_options(worktree_usage, options);
}
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 951a186..f88727d 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -2597,7 +2597,7 @@ _git_whatchanged ()
_git_worktree ()
{
- local subcommands="add list prune"
+ local subcommands="add list lock prune"
local subcommand="$(__git_find_on_cmdline "$subcommands")"
if [ -z "$subcommand" ]; then
__gitcomp "$subcommands"
@@ -2609,6 +2609,9 @@ _git_worktree ()
list,--*)
__gitcomp "--porcelain"
;;
+ lock,--*)
+ __gitcomp "--reason"
+ ;;
prune,--*)
__gitcomp "--dry-run --expire --verbose"
;;
diff --git a/t/t2028-worktree-move.sh b/t/t2028-worktree-move.sh
new file mode 100755
index 0000000..aeac848
--- /dev/null
+++ b/t/t2028-worktree-move.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+test_description='test git worktree move, remove, lock and unlock'
+
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ test_commit init &&
+ git worktree add source &&
+ git worktree list --porcelain | grep "^worktree" >actual &&
+ cat <<-EOF >expected &&
+ worktree $TRASH_DIRECTORY
+ worktree $TRASH_DIRECTORY/source
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'lock main worktree' '
+ test_must_fail git worktree lock .
+'
+
+test_expect_success 'lock linked worktree' '
+ git worktree lock --reason hahaha source &&
+ echo hahaha >expected &&
+ test_cmp expected .git/worktrees/source/locked
+'
+
+test_expect_success 'lock linked worktree from another worktree' '
+ rm .git/worktrees/source/locked &&
+ git worktree add elsewhere &&
+ (
+ cd elsewhere &&
+ git worktree lock --reason hahaha ../source
+ ) &&
+ echo hahaha >expected &&
+ test_cmp expected .git/worktrees/source/locked
+'
+
+test_expect_success 'lock worktree twice' '
+ test_must_fail git worktree lock source &&
+ echo hahaha >expected &&
+ test_cmp expected .git/worktrees/source/locked
+'
+
+test_expect_success 'lock worktree twice (from the locked worktree)' '
+ (
+ cd source &&
+ test_must_fail git worktree lock .
+ ) &&
+ echo hahaha >expected &&
+ test_cmp expected .git/worktrees/source/locked
+'
+
+test_done
--
2.8.2.524.g6ff3d78
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