[PATCH v2 04/12] worktree.c: mark current worktree

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 worktree.c | 18 +++++++++++++++++-
 worktree.h |  1 +
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/worktree.c b/worktree.c
index 360ba41..452f64a 100644
--- a/worktree.c
+++ b/worktree.c
@@ -2,6 +2,7 @@
 #include "refs.h"
 #include "strbuf.h"
 #include "worktree.h"
+#include "dir.h"
 
 void free_worktrees(struct worktree **worktrees)
 {
@@ -94,6 +95,7 @@ static struct worktree *get_main_worktree(void)
 	worktree->is_bare = is_bare;
 	worktree->head_ref = NULL;
 	worktree->is_detached = is_detached;
+	worktree->is_current = 0;
 	add_head_info(&head_ref, worktree);
 
 done:
@@ -138,6 +140,7 @@ static struct worktree *get_linked_worktree(const char *id)
 	worktree->is_bare = 0;
 	worktree->head_ref = NULL;
 	worktree->is_detached = is_detached;
+	worktree->is_current = 0;
 	add_head_info(&head_ref, worktree);
 
 done:
@@ -150,10 +153,11 @@ done:
 struct worktree **get_worktrees(void)
 {
 	struct worktree **list = NULL;
+	struct strbuf git_dir = STRBUF_INIT;
 	struct strbuf path = STRBUF_INIT;
 	DIR *dir;
 	struct dirent *d;
-	int counter = 0, alloc = 2;
+	int i, counter = 0, alloc = 2;
 
 	list = xmalloc(alloc * sizeof(struct worktree *));
 
@@ -178,6 +182,18 @@ struct worktree **get_worktrees(void)
 	}
 	ALLOC_GROW(list, counter + 1, alloc);
 	list[counter] = NULL;
+
+	strbuf_addstr(&git_dir, absolute_path(get_git_dir()));
+	for (i = 0; i < counter; i++) {
+		struct worktree *wt = list[i];
+		strbuf_addstr(&path, absolute_path(get_worktree_git_dir(wt)));
+		wt->is_current = !strcmp_icase(git_dir.buf, path.buf);
+		strbuf_reset(&path);
+		if (wt->is_current)
+			break;
+	}
+	strbuf_release(&git_dir);
+	strbuf_release(&path);
 	return list;
 }
 
diff --git a/worktree.h b/worktree.h
index d71d7ec..625fb8d 100644
--- a/worktree.h
+++ b/worktree.h
@@ -8,6 +8,7 @@ struct worktree {
 	unsigned char head_sha1[20];
 	int is_detached;
 	int is_bare;
+	int is_current;
 };
 
 /* Functions for acting on the information about worktrees. */
-- 
2.8.0.rc0.210.gd302cd2