git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/builtin-push.c b/builtin-push.c
index 54fba0e8326cb23508d68dadfe0d31bbff41833c..b68c6813b8c71e0e00790eb422e57f8e219095fb 100644 (file)
--- a/builtin-push.c
+++ b/builtin-push.c
@@ -10,7 +10,7 @@
 #include "parse-options.h"
 
 static const char * const push_usage[] = {
-       "git-push [--all] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]",
+       "git-push [--all | --mirror] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]",
        NULL,
 };
 
@@ -44,15 +44,6 @@ static void set_refspecs(const char **refs, int nr)
                        strcat(tag, refs[i]);
                        ref = tag;
                }
-               if (!strcmp("HEAD", ref)) {
-                       unsigned char sha1_dummy[20];
-                       ref = resolve_ref(ref, sha1_dummy, 1, NULL);
-                       if (!ref)
-                               die("HEAD cannot be resolved.");
-                       if (prefixcmp(ref, "refs/heads/"))
-                               die("HEAD cannot be resolved to branch.");
-                       ref = xstrdup(ref + 11);
-               }
                add_refspec(ref);
        }
 }
@@ -90,7 +81,7 @@ static int do_push(const char *repo, int flags)
                if (!err)
                        continue;
 
-               error("failed to push to '%s'", remote->url[i]);
+               error("failed to push some refs to '%s'", remote->url[i]);
                errs++;
        }
        return !!errs;
@@ -100,6 +91,7 @@ int cmd_push(int argc, const char **argv, const char *prefix)
 {
        int flags = 0;
        int all = 0;
+       int mirror = 0;
        int dry_run = 0;
        int force = 0;
        int tags = 0;
@@ -109,6 +101,7 @@ int cmd_push(int argc, const char **argv, const char *prefix)
                OPT__VERBOSE(&verbose),
                OPT_STRING( 0 , "repo", &repo, "repository", "repository"),
                OPT_BOOLEAN( 0 , "all", &all, "push all refs"),
+               OPT_BOOLEAN( 0 , "mirror", &mirror, "mirror all refs"),
                OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
                OPT_BOOLEAN( 0 , "dry-run", &dry_run, "dry run"),
                OPT_BOOLEAN('f', "force", &force, "force updates"),
@@ -130,13 +123,21 @@ int cmd_push(int argc, const char **argv, const char *prefix)
                add_refspec("refs/tags/*");
        if (all)
                flags |= TRANSPORT_PUSH_ALL;
+       if (mirror)
+               flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
 
        if (argc > 0) {
                repo = argv[0];
                set_refspecs(argv + 1, argc - 1);
        }
-       if ((flags & TRANSPORT_PUSH_ALL) && refspec)
+       if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) && refspec)
+               usage_with_options(push_usage, options);
+
+       if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
+                               (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
+               error("--all and --mirror are incompatible");
                usage_with_options(push_usage, options);
+       }
 
        return do_push(repo, flags);
 }