So far we haven't needed to identify an existing worktree from command
line. Future commands such as lock or move will need it. The current
implementation identifies worktrees by path (*). In future, the function
could learn to identify by $(basename $path) or tags...
(*) We could probably go cheaper with comparing inode number (and
probably more reliable than paths when unicode enters the game). But not
all systems have good inode that so let's stick to something simple for
now.
Helped-by: Eric Sunshine <sunsh...@sunshineco.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
worktree.c | 15 +++++++++++++++
worktree.h | 8 ++++++++
2 files changed, 23 insertions(+)
diff --git a/worktree.c b/worktree.c
index f4a4f38..0782e00 100644
--- a/worktree.c
+++ b/worktree.c
@@ -214,6 +214,21 @@ const char *get_worktree_git_dir(const struct worktree *wt)
return git_common_path("worktrees/%s", wt->id);
}
+struct worktree *find_worktree(struct worktree **list,
+ const char *prefix,
+ const char *arg)
+{
+ char *path;
+
+ arg = prefix_filename(prefix, strlen(prefix), arg);
+ path = xstrdup(real_path(arg));
+ for (; *list; list++)
+ if (!fspathcmp(path, real_path((*list)->path)))
+ break;
+ free(path);
+ return *list;
+}
+
int is_worktree_being_rebased(const struct worktree *wt,
const char *target)
{
diff --git a/worktree.h b/worktree.h
index 1394909..7ad15da 100644
--- a/worktree.h
+++ b/worktree.h
@@ -29,6 +29,14 @@ extern struct worktree **get_worktrees(void);
*/
extern const char *get_worktree_git_dir(const struct worktree *wt);
+/*
+ * Search a worktree that can be unambiguously identified by
+ * "arg". "prefix" must not be NULL.
+ */
+extern struct worktree *find_worktree(struct worktree **list,
+ const char *prefix,
+ const char *arg);
+
/*
* Free up the memory for worktree(s)
*/
--
2.8.2.524.g6ff3d78
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