Merge branch 'rr/die-on-missing-upstream'
[gitweb.git] / branch.c
index 2bef1e7e71b7cb3375b3d96fab5c4f20e0c3adff..c5c6984cb5266c27d3c13aa6e6aacaab56e112c0 100644 (file)
--- a/branch.c
+++ b/branch.c
@@ -57,7 +57,7 @@ void install_branch_config(int flag, const char *local, const char *origin, cons
        if (remote_is_branch
            && !strcmp(local, shortname)
            && !origin) {
-               warning("Not setting branch %s as its own upstream.",
+               warning(_("Not setting branch %s as its own upstream."),
                        local);
                return;
        }
@@ -78,25 +78,25 @@ void install_branch_config(int flag, const char *local, const char *origin, cons
 
        if (flag & BRANCH_CONFIG_VERBOSE) {
                if (remote_is_branch && origin)
-                       printf(rebasing ?
-                              "Branch %s set up to track remote branch %s from %s by rebasing.\n" :
-                              "Branch %s set up to track remote branch %s from %s.\n",
-                              local, shortname, origin);
+                       printf_ln(rebasing ?
+                                 _("Branch %s set up to track remote branch %s from %s by rebasing.") :
+                                 _("Branch %s set up to track remote branch %s from %s."),
+                                 local, shortname, origin);
                else if (remote_is_branch && !origin)
-                       printf(rebasing ?
-                              "Branch %s set up to track local branch %s by rebasing.\n" :
-                              "Branch %s set up to track local branch %s.\n",
-                              local, shortname);
+                       printf_ln(rebasing ?
+                                 _("Branch %s set up to track local branch %s by rebasing.") :
+                                 _("Branch %s set up to track local branch %s."),
+                                 local, shortname);
                else if (!remote_is_branch && origin)
-                       printf(rebasing ?
-                              "Branch %s set up to track remote ref %s by rebasing.\n" :
-                              "Branch %s set up to track remote ref %s.\n",
-                              local, remote);
+                       printf_ln(rebasing ?
+                                 _("Branch %s set up to track remote ref %s by rebasing.") :
+                                 _("Branch %s set up to track remote ref %s."),
+                                 local, remote);
                else if (!remote_is_branch && !origin)
-                       printf(rebasing ?
-                              "Branch %s set up to track local ref %s by rebasing.\n" :
-                              "Branch %s set up to track local ref %s.\n",
-                              local, remote);
+                       printf_ln(rebasing ?
+                                 _("Branch %s set up to track local ref %s by rebasing.") :
+                                 _("Branch %s set up to track local ref %s."),
+                                 local, remote);
                else
                        die("BUG: impossible combination of %d and %p",
                            remote_is_branch, origin);
@@ -115,7 +115,7 @@ static int setup_tracking(const char *new_ref, const char *orig_ref,
        int config_flags = quiet ? 0 : BRANCH_CONFIG_VERBOSE;
 
        if (strlen(new_ref) > 1024 - 7 - 7 - 1)
-               return error("Tracking not set up: name too long: %s",
+               return error(_("Tracking not set up: name too long: %s"),
                                new_ref);
 
        memset(&tracking, 0, sizeof(tracking));
@@ -134,7 +134,7 @@ static int setup_tracking(const char *new_ref, const char *orig_ref,
                }
 
        if (tracking.matches > 1)
-               return error("Not tracking: ambiguous information for ref %s",
+               return error(_("Not tracking: ambiguous information for ref %s"),
                                orig_ref);
 
        install_branch_config(config_flags, new_ref, tracking.remote,
@@ -179,12 +179,12 @@ int validate_new_branchname(const char *name, struct strbuf *ref,
                            int force, int attr_only)
 {
        if (strbuf_check_branch_ref(ref, name))
-               die("'%s' is not a valid branch name.", name);
+               die(_("'%s' is not a valid branch name."), name);
 
        if (!ref_exists(ref->buf))
                return 0;
        else if (!force && !attr_only)
-               die("A branch named '%s' already exists.", ref->buf + strlen("refs/heads/"));
+               die(_("A branch named '%s' already exists."), ref->buf + strlen("refs/heads/"));
 
        if (!attr_only) {
                const char *head;
@@ -192,11 +192,40 @@ int validate_new_branchname(const char *name, struct strbuf *ref,
 
                head = resolve_ref_unsafe("HEAD", sha1, 0, NULL);
                if (!is_bare_repository() && head && !strcmp(head, ref->buf))
-                       die("Cannot force update the current branch.");
+                       die(_("Cannot force update the current branch."));
        }
        return 1;
 }
 
+static int check_tracking_branch(struct remote *remote, void *cb_data)
+{
+       char *tracking_branch = cb_data;
+       struct refspec query;
+       memset(&query, 0, sizeof(struct refspec));
+       query.dst = tracking_branch;
+       return !(remote_find_tracking(remote, &query) ||
+                prefixcmp(query.src, "refs/heads/"));
+}
+
+static int validate_remote_tracking_branch(char *ref)
+{
+       return !for_each_remote(check_tracking_branch, ref);
+}
+
+static const char upstream_not_branch[] =
+N_("Cannot setup tracking information; starting point '%s' is not a branch.");
+static const char upstream_missing[] =
+N_("the requested upstream branch '%s' does not exist");
+static const char upstream_advice[] =
+N_("\n"
+"If you are planning on basing your work on an upstream\n"
+"branch that already exists at the remote, you may need to\n"
+"run \"git fetch\" to retrieve it.\n"
+"\n"
+"If you are planning to push out a new local branch that\n"
+"will track its remote counterpart, you may want to use\n"
+"\"git push -u\" to set the upstream config as you push.");
+
 void create_branch(const char *head,
                   const char *name, const char *start_name,
                   int force, int reflog, int clobber_head,
@@ -224,38 +253,47 @@ void create_branch(const char *head,
        }
 
        real_ref = NULL;
-       if (get_sha1(start_name, sha1))
-               die("Not a valid object name: '%s'.", start_name);
+       if (get_sha1(start_name, sha1)) {
+               if (explicit_tracking) {
+                       if (advice_set_upstream_failure) {
+                               error(_(upstream_missing), start_name);
+                               advise(_(upstream_advice));
+                               exit(1);
+                       }
+                       die(_(upstream_missing), start_name);
+               }
+               die(_("Not a valid object name: '%s'."), start_name);
+       }
 
        switch (dwim_ref(start_name, strlen(start_name), sha1, &real_ref)) {
        case 0:
                /* Not branching from any existing branch */
                if (explicit_tracking)
-                       die("Cannot setup tracking information; starting point is not a branch.");
+                       die(_(upstream_not_branch), start_name);
                break;
        case 1:
                /* Unique completion -- good, only if it is a real branch */
                if (prefixcmp(real_ref, "refs/heads/") &&
-                   prefixcmp(real_ref, "refs/remotes/")) {
+                   validate_remote_tracking_branch(real_ref)) {
                        if (explicit_tracking)
-                               die("Cannot setup tracking information; starting point is not a branch.");
+                               die(_(upstream_not_branch), start_name);
                        else
                                real_ref = NULL;
                }
                break;
        default:
-               die("Ambiguous object name: '%s'.", start_name);
+               die(_("Ambiguous object name: '%s'."), start_name);
                break;
        }
 
        if ((commit = lookup_commit_reference(sha1)) == NULL)
-               die("Not a valid branch point: '%s'.", start_name);
+               die(_("Not a valid branch point: '%s'."), start_name);
        hashcpy(sha1, commit->object.sha1);
 
        if (!dont_change_ref) {
                lock = lock_any_ref_for_update(ref.buf, NULL, 0);
                if (!lock)
-                       die_errno("Failed to lock ref for update");
+                       die_errno(_("Failed to lock ref for update"));
        }
 
        if (reflog)
@@ -273,7 +311,7 @@ void create_branch(const char *head,
 
        if (!dont_change_ref)
                if (write_ref_sha1(lock, sha1, msg) < 0)
-                       die_errno("Failed to write ref");
+                       die_errno(_("Failed to write ref"));
 
        strbuf_release(&ref);
        free(real_ref);