clone: clarify option_reference as required

In the next patch we introduce optional references; To better distinguish
between optional and required references we rename the variable.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/clone.c b/builtin/clone.c
index 4cd3a6691a81b6689c9bcbdd96cd5e443a8904bb..ef5db7c499e72276e15251ea127ac354ed030f9b 100644 (file)
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -50,7 +50,7 @@ static int option_verbosity;
 static int option_progress = -1;
 static enum transport_family family;
 static struct string_list option_config = STRING_LIST_INIT_NODUP;
-static struct string_list option_reference = STRING_LIST_INIT_NODUP;
+static struct string_list option_required_reference = STRING_LIST_INIT_NODUP;
 static int option_dissociate;
 static int max_jobs = -1;
 
@@ -79,7 +79,7 @@ static struct option builtin_clone_options[] = {
                    N_("number of submodules cloned in parallel")),
        OPT_STRING(0, "template", &option_template, N_("template-directory"),
                   N_("directory from which templates will be used")),
-       OPT_STRING_LIST(0, "reference", &option_reference, N_("repo"),
+       OPT_STRING_LIST(0, "reference", &option_required_reference, N_("repo"),
                        N_("reference repository")),
        OPT_BOOL(0, "dissociate", &option_dissociate,
                 N_("use --reference only while cloning")),
@@ -300,7 +300,7 @@ static int add_one_reference(struct string_list_item *item, void *cb_data)
 
 static void setup_reference(void)
 {
-       for_each_string_list(&option_reference, add_one_reference, NULL);
+       for_each_string_list(&option_required_reference, add_one_reference, NULL);
 }
 
 static void copy_alternates(struct strbuf *src, struct strbuf *dst,
@@ -952,7 +952,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        git_config_set(key.buf, repo);
        strbuf_reset(&key);
 
-       if (option_reference.nr)
+       if (option_required_reference.nr)
                setup_reference();
 
        fetch_pattern = value.buf;