[PATCH 4/9] for-each-ref: add %(current) for current branch marker

[Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 builtin/for-each-ref.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index 08d4eb1..498d703 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -75,6 +75,7 @@ static struct {
 	{ "upstream" },
 	{ "symref" },
 	{ "flag" },
+	{ "current" },
 };
 
 /*
@@ -90,6 +91,7 @@ static struct {
 static const char **used_atom;
 static cmp_type *used_atom_type;
 static int used_atom_cnt, sort_atom_limit, need_tagged, need_symref;
+static const char *head;
 
 /*
  * Used to parse format string and sort specifiers
@@ -676,6 +678,17 @@ static void populate_value(struct refinfo *ref)
 			}
 			continue;
 		}
+		else if (!strcmp(name, "current")) {
+			if (!head) {
+				unsigned char sha1[20];
+				head = resolve_refdup("HEAD", sha1, 0, NULL);
+			}
+			if (strcmp(head, "HEAD") && !strcmp(ref->refname, head))
+				v->s = "*";
+			else
+				v->s = " ";
+			continue;
+		}
 		else
 			continue;
 
-- 
1.8.2.83.gc99314b

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