for-each-ref: add "upstream" format field

[thirdparty/git.git] / builtin-for-each-ref.c

diff --git a/builtin-for-each-ref.c b/builtin-for-each-ref.c
index 653dca9a5765d9a5873f5ac1b7345d2182ad7d01..8796352eb673ff1f52df13329ee99530eaa98c39 100644 (file)
--- a/builtin-for-each-ref.c
+++ b/builtin-for-each-ref.c
@@ -8,6 +8,7 @@
 #include "blob.h"
 #include "quote.h"
 #include "parse-options.h"
+#include "remote.h"
 
 /* Quoting styles */
 #define QUOTE_NONE 0
@@ -66,6 +67,7 @@ static struct {
        { "subject" },
        { "body" },
        { "contents" },
+       { "upstream" },
 };
 
 /*
@@ -682,6 +684,18 @@ static void populate_value(struct refinfo *ref)
 
                if (!prefixcmp(name, "refname"))
                        refname = ref->refname;
+               else if(!prefixcmp(name, "upstream")) {
+                       struct branch *branch;
+                       /* only local branches may have an upstream */
+                       if (prefixcmp(ref->refname, "refs/heads/"))
+                               continue;
+                       branch = branch_get(ref->refname + 11);
+
+                       if (!branch || !branch->merge || !branch->merge[0] ||
+                           !branch->merge[0]->dst)
+                               continue;
+                       refname = branch->merge[0]->dst;
+               }
                else
                        continue;