From: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date: Fri, 3 Jun 2016 12:19:40 +0000 (+0700)
Subject: worktree.c: add is_main_worktree()
X-Git-Tag: v2.10.0-rc0~78^2~4
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/984ad9e56c9d884f7f1aa7d6b2052f3fb082ee5d

worktree.c: add is_main_worktree()

Main worktree _is_ different. You can lock (*) a linked worktree but not
the main one, for example. Provide an API for checking that.

(*) Add the file $GIT_DIR/worktrees/xxx/locked to avoid worktree xxx
from being removed or moved.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/worktree.c b/worktree.c
index 0782e00983..12a766a38d 100644
--- a/worktree.c
+++ b/worktree.c
@@ -229,6 +229,11 @@ struct worktree *find_worktree(struct worktree **list,
 	return *list;
 }
 
+int is_main_worktree(const struct worktree *wt)
+{
+	return !wt->id;
+}
+
 int is_worktree_being_rebased(const struct worktree *wt,
 			      const char *target)
 {
diff --git a/worktree.h b/worktree.h
index 7ad15da0dc..e1c4715238 100644
--- a/worktree.h
+++ b/worktree.h
@@ -37,6 +37,11 @@ extern struct worktree *find_worktree(struct worktree **list,
 				      const char *prefix,
 				      const char *arg);
 
+/*
+ * Return true if the given worktree is the main one.
+ */
+extern int is_main_worktree(const struct worktree *wt);
+
 /*
  * Free up the memory for worktree(s)
  */