git remote update: Fallback to remote if group does not exist

diff --git a/remote.c b/remote.c
index f0acfb5c8642ea521fb9672c5c49759dfd2a3d82..b36fd70978fdb1683ae3b2401822ef0130cd6ead 100644 (file)
--- a/remote.c
+++ b/remote.c
@@ -39,6 +39,7 @@ static int branches_nr;
 
 static struct branch *current_branch;
 static const char *default_remote_name;
+static int explicit_default_remote_name;
 
 static struct rewrite **rewrite;
 static int rewrite_alloc;
@@ -331,8 +332,10 @@ static int handle_config(const char *key, const char *value, void *cb)
                        if (!value)
                                return config_error_nonbool(key);
                        branch->remote_name = xstrdup(value);
-                       if (branch == current_branch)
+                       if (branch == current_branch) {
                                default_remote_name = branch->remote_name;
+                               explicit_default_remote_name = 1;
+                       }
                } else if (!strcmp(subkey, ".merge")) {
                        if (!value)
                                return config_error_nonbool(key);
@@ -491,7 +494,7 @@ static struct refspec *parse_refspec_internal(int nr_refspec, const char **refsp
                int is_glob;
                const char *lhs, *rhs;
 
-               llen = is_glob = 0;
+               is_glob = 0;
 
                lhs = refspec[i];
                if (*lhs == '+') {
@@ -638,10 +641,16 @@ static int valid_remote_nick(const char *name)
 struct remote *remote_get(const char *name)
 {
        struct remote *ret;
+       int name_given = 0;
 
        read_config();
-       if (!name)
+       if (name)
+               name_given = 1;
+       else {
                name = default_remote_name;
+               name_given = explicit_default_remote_name;
+       }
+
        ret = make_remote(name, 0);
        if (valid_remote_nick(name)) {
                if (!ret->url)
@@ -649,7 +658,7 @@ struct remote *remote_get(const char *name)
                if (!ret->url)
                        read_branches_file(ret);
        }
-       if (!ret->url)
+       if (name_given && !ret->url)
                add_url_alias(ret, name);
        if (!ret->url)
                return NULL;
@@ -658,6 +667,17 @@ struct remote *remote_get(const char *name)
        return ret;
 }
 
+int remote_is_configured(const char *name)
+{
+       int i;
+       read_config();
+
+       for (i = 0; i < remotes_nr; i++)
+               if (!strcmp(name, remotes[i]->name))
+                       return 1;
+       return 0;
+}
+
 int for_each_remote(each_remote_fn fn, void *priv)
 {
        int i, result = 0;
@@ -1392,9 +1412,10 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs)
        if (theirs == ours)
                return 0;
 
-       /* Run "rev-list --left-right ours...theirs" internally... */
+       /* Run "rev-list --no-merges --left-right ours...theirs" internally... */
        rev_argc = 0;
        rev_argv[rev_argc++] = NULL;
+       rev_argv[rev_argc++] = "--no-merges";
        rev_argv[rev_argc++] = "--left-right";
        rev_argv[rev_argc++] = symmetric;
        rev_argv[rev_argc++] = "--";