[PATCH 5/9] for-each-ref: add %(tracking[:upstream]) for tracking info

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

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 builtin/branch.c       |  4 ++--
 builtin/for-each-ref.c | 18 ++++++++++++++++++
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/builtin/branch.c b/builtin/branch.c
index 0836890..7d084da 100644
--- a/builtin/branch.c
+++ b/builtin/branch.c
@@ -416,8 +416,8 @@ static int ref_cmp(const void *r1, const void *r2)
 	return strcmp(c1->name, c2->name);
 }
 
-static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
-		int show_upstream_ref)
+void fill_tracking_info(struct strbuf *stat, const char *branch_name,
+			int show_upstream_ref)
 {
 	int ours, theirs;
 	char *ref = NULL;
diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c
index 498d703..b10d48a 100644
--- a/builtin/for-each-ref.c
+++ b/builtin/for-each-ref.c
@@ -76,6 +76,8 @@ static struct {
 	{ "symref" },
 	{ "flag" },
 	{ "current" },
+	{ "tracking" },
+	{ "tracking:upstream" },
 };
 
 /*
@@ -615,6 +617,8 @@ static inline char *copy_advance(char *dst, const char *src)
 	return dst;
 }
 
+extern void fill_tracking_info(struct strbuf *stat, const char *branch_name,
+			       int show_upstream_ref);
 /*
  * Parse the object referred by ref, and grab needed value.
  */
@@ -689,6 +693,20 @@ static void populate_value(struct refinfo *ref)
 				v->s = " ";
 			continue;
 		}
+		else if (!strcmp(name, "tracking") &&
+			 !prefixcmp(ref->refname, "refs/heads/")) {
+			struct strbuf sb = STRBUF_INIT;
+			fill_tracking_info(&sb, ref->refname + 11, 0);
+			v->s = sb.buf;
+			continue;
+		}
+		else if (!strcmp(name, "tracking:upstream") &&
+			 !prefixcmp(ref->refname, "refs/heads/")) {
+			struct strbuf sb = STRBUF_INIT;
+			fill_tracking_info(&sb, ref->refname + 11, 1);
+			v->s = sb.buf;
+			continue;
+		}
 		else
 			continue;
 
-- 
1.8.2.83.gc99314b