apply: do not get confused by symlinks in the middle

diff --git a/builtin-log.c b/builtin-log.c
index 469949457f61eee95f6ba801c4f81328a06cffda..38bf52f1006fd991175621734e11e4d23f4b23de 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -13,16 +13,43 @@
 #include "tag.h"
 #include "reflog-walk.h"
 #include "patch-ids.h"
+#include "refs.h"
 
 static int default_show_root = 1;
 
 /* this is in builtin-diff.c */
 void add_head(struct rev_info *revs);
 
+static void add_name_decoration(const char *prefix, const char *name, struct object *obj)
+{
+       int plen = strlen(prefix);
+       int nlen = strlen(name);
+       struct name_decoration *res = xmalloc(sizeof(struct name_decoration) + plen + nlen);
+       memcpy(res->name, prefix, plen);
+       memcpy(res->name + plen, name, nlen + 1);
+       res->next = add_decoration(&name_decoration, obj, res);
+}
+
+static int add_ref_decoration(const char *refname, const unsigned char *sha1, int flags, void *cb_data)
+{
+       struct object *obj = parse_object(sha1);
+       if (!obj)
+               return 0;
+       add_name_decoration("", refname, obj);
+       while (obj->type == OBJ_TAG) {
+               obj = ((struct tag *)obj)->tagged;
+               if (!obj)
+                       break;
+               add_name_decoration("tag: ", refname, obj);
+       }
+       return 0;
+}
+
 static void cmd_log_init(int argc, const char **argv, const char *prefix,
                      struct rev_info *rev)
 {
        int i;
+       int decorate = 0;
 
        rev->abbrev = DEFAULT_ABBREV;
        rev->commit_format = CMIT_FMT_DEFAULT;
@@ -39,8 +66,11 @@ static void cmd_log_init(int argc, const char **argv, const char *prefix,
                                git_log_output_encoding = xstrdup(arg);
                        else
                                git_log_output_encoding = "";
-               }
-               else
+               } else if (!strcmp(arg, "--decorate")) {
+                       if (!decorate)
+                               for_each_ref(add_ref_decoration, NULL);
+                       decorate = 1;
+               } else
                        die("unrecognized argument: %s", arg);
        }
 }