push: better error message when no remote configured

[git.git] / builtin / push.c

diff --git a/builtin/push.c b/builtin/push.c
index e655eb7695faba13c4d9e8f25b9649ffec7195be..c3c2feb9449b5cd3539c18b58ce0fb2886a623b9 100644 (file)
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -64,23 +64,33 @@ static void set_refspecs(const char **refs, int nr)
        }
 }
 
-static void setup_push_tracking(void)
+static void setup_push_upstream(struct remote *remote)
 {
        struct strbuf refspec = STRBUF_INIT;
        struct branch *branch = branch_get(NULL);
        if (!branch)
-               die("You are not currently on a branch.");
+               die("You are not currently on a branch.\n"
+                   "To push the history leading to the current (detached HEAD)\n"
+                   "state now, use\n"
+                   "\n"
+                   "    git push %s HEAD:<name-of-remote-branch>\n",
+                   remote->name);
        if (!branch->merge_nr || !branch->merge)
-               die("The current branch %s is not tracking anything.",
+               die("The current branch %s has no upstream branch.\n"
+                   "To push the current branch and set the remote as upstream, use\n"
+                   "\n"
+                   "    git push --set-upstream %s %s\n",
+                   branch->name,
+                   remote->name,
                    branch->name);
        if (branch->merge_nr != 1)
-               die("The current branch %s is tracking multiple branches, "
+               die("The current branch %s has multiple upstream branches, "
                    "refusing to push.", branch->name);
        strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src);
        add_refspec(refspec.buf);
 }
 
-static void setup_default_push_refspecs(void)
+static void setup_default_push_refspecs(struct remote *remote)
 {
        switch (push_default) {
        default:
@@ -88,8 +98,8 @@ static void setup_default_push_refspecs(void)
                add_refspec(":");
                break;
 
-       case PUSH_DEFAULT_TRACKING:
-               setup_push_tracking();
+       case PUSH_DEFAULT_UPSTREAM:
+               setup_push_upstream(remote);
                break;
 
        case PUSH_DEFAULT_CURRENT:
@@ -147,7 +157,14 @@ static int do_push(const char *repo, int flags)
        if (!remote) {
                if (repo)
                        die("bad repository '%s'", repo);
-               die("No destination configured to push to.");
+               die("No configured push destination.\n"
+                   "Either specify the URL from the command-line or configure a remote repository using\n"
+                   "\n"
+                   "    git remote add <name> <url>\n"
+                   "\n"
+                   "and then push using the remote name\n"
+                   "\n"
+                   "    git push <name>\n");
        }
 
        if (remote->mirror)
@@ -175,7 +192,7 @@ static int do_push(const char *repo, int flags)
                        refspec = remote->push_refspec;
                        refspec_nr = remote->push_refspec_nr;
                } else if (!(flags & TRANSPORT_PUSH_MIRROR))
-                       setup_default_push_refspecs();
+                       setup_default_push_refspecs(remote);
        }
        errs = 0;
        if (remote->pushurl_nr) {