log: decorate HEAD -> branch with the same color for arrow and HEAD

diff --git a/revision.c b/revision.c
index ab97ffd4590cc41743d4bb828a9c5bdb1a00cce9..8f30ab1e46b4a07148b7dfe0e8f7950fd241c325 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -21,69 +21,13 @@
 
 volatile show_early_output_fn_t show_early_output;
 
-char *path_name(const struct name_path *path, const char *name)
-{
-       const struct name_path *p;
-       char *n, *m;
-       int nlen = strlen(name);
-       int len = nlen + 1;
-
-       for (p = path; p; p = p->up) {
-               if (p->elem_len)
-                       len += p->elem_len + 1;
-       }
-       n = xmalloc(len);
-       m = n + len - (nlen + 1);
-       strcpy(m, name);
-       for (p = path; p; p = p->up) {
-               if (p->elem_len) {
-                       m -= p->elem_len + 1;
-                       memcpy(m, p->elem, p->elem_len);
-                       m[p->elem_len] = '/';
-               }
-       }
-       return n;
-}
-
-static int show_path_component_truncated(FILE *out, const char *name, int len)
+void show_object_with_name(FILE *out, struct object *obj, const char *name)
 {
-       int cnt;
-       for (cnt = 0; cnt < len; cnt++) {
-               int ch = name[cnt];
-               if (!ch || ch == '\n')
-                       return -1;
-               fputc(ch, out);
-       }
-       return len;
-}
-
-static int show_path_truncated(FILE *out, const struct name_path *path)
-{
-       int emitted, ours;
-
-       if (!path)
-               return 0;
-       emitted = show_path_truncated(out, path->up);
-       if (emitted < 0)
-               return emitted;
-       if (emitted)
-               fputc('/', out);
-       ours = show_path_component_truncated(out, path->elem, path->elem_len);
-       if (ours < 0)
-               return ours;
-       return ours || emitted;
-}
-
-void show_object_with_name(FILE *out, struct object *obj,
-                          const struct name_path *path, const char *component)
-{
-       struct name_path leaf;
-       leaf.up = (struct name_path *)path;
-       leaf.elem = component;
-       leaf.elem_len = strlen(component);
+       const char *p;
 
        fprintf(out, "%s ", sha1_to_hex(obj->sha1));
-       show_path_truncated(out, &leaf);
+       for (p = name; *p && *p != '\n'; p++)
+               fputc(*p, out);
        fputc('\n', out);
 }
 
@@ -2173,6 +2117,21 @@ static int handle_revision_pseudo_opt(const char *submodule,
        return 1;
 }
 
+static void NORETURN diagnose_missing_default(const char *def)
+{
+       unsigned char sha1[20];
+       int flags;
+       const char *refname;
+
+       refname = resolve_ref_unsafe(def, 0, sha1, &flags);
+       if (!refname || !(flags & REF_ISSYMREF) || (flags & REF_ISBROKEN))
+               die(_("your current branch appears to be broken"));
+
+       skip_prefix(refname, "refs/heads/", &refname);
+       die(_("your current branch '%s' does not have any commits yet"),
+           refname);
+}
+
 /*
  * Parse revision information, filling in the "rev_info" structure,
  * and removing the used arguments from the argument list.
@@ -2302,7 +2261,7 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
                struct object *object;
                struct object_context oc;
                if (get_sha1_with_context(revs->def, 0, sha1, &oc))
-                       die("bad default revision '%s'", revs->def);
+                       diagnose_missing_default(revs->def);
                object = get_reference(revs, revs->def, sha1, 0);
                add_pending_object_with_mode(revs, object, revs->def, oc.mode);
        }