push: rename config variable for more general use

The 'pushNonFastForward' advice config can be used to squelch several
instances of push-related advice.  Rename it to 'pushUpdateRejected' to
cover other reject scenarios that are unrelated to fast-forwarding.
Retain the old name for compatibility.
Signed-off-by: NChris Rorvick <chris@rorvick.com>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

Documentation/config.txt

@@ -140,7 +140,7 @@ advice.*::
 	can tell Git that you do not need help by setting these to 'false':
 +
 --
-	pushNonFastForward::
+	pushUpdateRejected::
 		Set this variable to 'false' if you want to disable
 		'pushNonFFCurrent', 'pushNonFFDefault', and
 		'pushNonFFMatching' simultaneously.

advice.c

 #include "cache.h"
 
-int advice_push_nonfastforward = 1;
+int advice_push_update_rejected = 1;
 int advice_push_non_ff_current = 1;
 int advice_push_non_ff_default = 1;
 int advice_push_non_ff_matching = 1;
@@ -14,7 +14,7 @@ static struct {
 	const char *name;
 	int *preference;
 } advice_config[] = {
-	{ "pushnonfastforward", &advice_push_nonfastforward },
+	{ "pushupdaterejected", &advice_push_update_rejected },
 	{ "pushnonffcurrent", &advice_push_non_ff_current },
 	{ "pushnonffdefault", &advice_push_non_ff_default },
 	{ "pushnonffmatching", &advice_push_non_ff_matching },
@@ -23,6 +23,9 @@ static struct {
 	{ "resolveconflict", &advice_resolve_conflict },
 	{ "implicitidentity", &advice_implicit_identity },
 	{ "detachedhead", &advice_detached_head },
+
+	/* make this an alias for backward compatibility */
+	{ "pushnonfastforward", &advice_push_update_rejected }
 };
 
 void advise(const char *advice, ...)

advice.h

@@ -3,7 +3,7 @@
 
 #include "git-compat-util.h"
 
-extern int advice_push_nonfastforward;
+extern int advice_push_update_rejected;
 extern int advice_push_non_ff_current;
 extern int advice_push_non_ff_default;
 extern int advice_push_non_ff_matching;

builtin/push.c

@@ -226,21 +226,21 @@ static const char message_advice_ref_already_exists[] =
 
 static void advise_pull_before_push(void)
 {
-	if (!advice_push_non_ff_current || !advice_push_nonfastforward)
+	if (!advice_push_non_ff_current || !advice_push_update_rejected)
 		return;
 	advise(_(message_advice_pull_before_push));
 }
 
 static void advise_use_upstream(void)
 {
-	if (!advice_push_non_ff_default || !advice_push_nonfastforward)
+	if (!advice_push_non_ff_default || !advice_push_update_rejected)
 		return;
 	advise(_(message_advice_use_upstream));
 }
 
 static void advise_checkout_pull_push(void)
 {
-	if (!advice_push_non_ff_matching || !advice_push_nonfastforward)
+	if (!advice_push_non_ff_matching || !advice_push_update_rejected)
 		return;
 	advise(_(message_advice_checkout_pull_push));
 }