difftool: Use eval to expand '--extcmd' expressions

diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index 24ee8b32421a487cba7db768981943471f7a36fd..37d02335212dea9672e2472970f66dc4ac95dfd1 100644 (file)
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
@@ -180,6 +180,12 @@ static int show_reference(const char *refname, const unsigned char *sha1, int fl
        return 0;
 }
 
+static int anti_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
+{
+       show_rev(REVERSED, sha1, refname);
+       return 0;
+}
+
 static void show_datestring(const char *flag, const char *datestr)
 {
        static char buffer[100];
@@ -558,6 +564,11 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                                for_each_ref(show_reference, NULL);
                                continue;
                        }
+                       if (!strcmp(arg, "--bisect")) {
+                               for_each_ref_in("refs/bisect/bad", show_reference, NULL);
+                               for_each_ref_in("refs/bisect/good", anti_reference, NULL);
+                               continue;
+                       }
                        if (!strcmp(arg, "--branches")) {
                                for_each_branch_ref(show_reference, NULL);
                                continue;