Merge branch 'jc/apply-epoch-patch' into maint

diff --git a/builtin-push.c b/builtin-push.c
index 7be12399b6d95c63efd9102df7967dca61655063..50328f4b08e6fc69bb80a9649df2065efb0a9b2c 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 | --mirror] [--dry-run] [--tags] [--receive-pack=<git-receive-pack>] [--repo=<repository>] [-f | --force] [-v] [<repository> <refspec>...]",
+       "git push [--all | --mirror] [--dry-run] [--porcelain] [--tags] [--receive-pack=<git-receive-pack>] [--repo=<repository>] [-f | --force] [-v] [<repository> <refspec>...]",
        NULL,
 };
 
@@ -64,36 +64,11 @@ static void setup_push_tracking(void)
        add_refspec(refspec.buf);
 }
 
-static const char *warn_unconfigured_push_msg[] = {
-       "You did not specify any refspecs to push, and the current remote",
-       "has not configured any push refspecs. The default action in this",
-       "case is to push all matching refspecs, that is, all branches",
-       "that exist both locally and remotely will be updated.  This may",
-       "not necessarily be what you want to happen.",
-       "",
-       "You can specify what action you want to take in this case, and",
-       "avoid seeing this message again, by configuring 'push.default' to:",
-       "  'nothing'  : Do not push anything",
-       "  'matching' : Push all matching branches (default)",
-       "  'tracking' : Push the current branch to whatever it is tracking",
-       "  'current'  : Push the current branch"
-};
-
-static void warn_unconfigured_push(void)
-{
-       int i;
-       for (i = 0; i < ARRAY_SIZE(warn_unconfigured_push_msg); i++)
-               warning("%s", warn_unconfigured_push_msg[i]);
-}
-
 static void setup_default_push_refspecs(void)
 {
        git_config(git_default_config, NULL);
        switch (push_default) {
-       case PUSH_DEFAULT_UNSPECIFIED:
-               warn_unconfigured_push();
-               /* fallthrough */
-
+       default:
        case PUSH_DEFAULT_MATCHING:
                add_refspec(":");
                break;
@@ -165,6 +140,7 @@ static int do_push(const char *repo, int flags)
                struct transport *transport =
                        transport_get(remote, url[i]);
                int err;
+               int nonfastforward;
                if (receivepack)
                        transport_set_option(transport,
                                             TRANS_OPT_RECEIVEPACK, receivepack);
@@ -173,13 +149,19 @@ static int do_push(const char *repo, int flags)
 
                if (flags & TRANSPORT_PUSH_VERBOSE)
                        fprintf(stderr, "Pushing to %s\n", url[i]);
-               err = transport_push(transport, refspec_nr, refspec, flags);
+               err = transport_push(transport, refspec_nr, refspec, flags,
+                                    &nonfastforward);
                err |= transport_disconnect(transport);
 
                if (!err)
                        continue;
 
                error("failed to push some refs to '%s'", url[i]);
+               if (nonfastforward) {
+                       printf("To prevent you from losing history, non-fast-forward updates were rejected.\n"
+                              "Merge the remote changes before pushing again.\n"
+                              "See 'non-fast forward' section of 'git push --help' for details.\n");
+               }
                errs++;
        }
        return !!errs;
@@ -200,6 +182,7 @@ int cmd_push(int argc, const char **argv, const char *prefix)
                            (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)),
                OPT_BOOLEAN( 0 , "tags", &tags, "push tags"),
                OPT_BIT( 0 , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN),
+               OPT_BIT( 0,  "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN),
                OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE),
                OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"),
                OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"),