[PATCH v2 1/5] push: return reject reasons via a mask

[Chris Rorvick <chris@xxxxxxxxxxx>]

Pass all rejection reasons back from transport_push().  The logic is
simpler and more flexible with regard to providing useful feedback.

Signed-off-by: Chris Rorvick <chris@xxxxxxxxxxx>
---
 builtin/push.c |   13 ++++---------
 transport.c    |   17 ++++++++---------
 transport.h    |    9 +++++----
 3 files changed, 17 insertions(+), 22 deletions(-)

diff --git a/builtin/push.c b/builtin/push.c
index db9ba30..eaeaf7e 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -244,7 +244,7 @@ static void advise_checkout_pull_push(void)
 static int push_with_options(struct transport *transport, int flags)
 {
 	int err;
-	int nonfastforward;
+	unsigned int reject_mask;
 
 	transport_set_verbosity(transport, verbosity, progress);
 
@@ -257,7 +257,7 @@ static int push_with_options(struct transport *transport, int flags)
 	if (verbosity > 0)
 		fprintf(stderr, _("Pushing to %s\n"), transport->url);
 	err = transport_push(transport, refspec_nr, refspec, flags,
-			     &nonfastforward);
+			     &reject_mask);
 	if (err != 0)
 		error(_("failed to push some refs to '%s'"), transport->url);
 
@@ -265,18 +265,13 @@ static int push_with_options(struct transport *transport, int flags)
 	if (!err)
 		return 0;
 
-	switch (nonfastforward) {
-	default:
-		break;
-	case NON_FF_HEAD:
+	if (reject_mask & NON_FF_HEAD) {
 		advise_pull_before_push();
-		break;
-	case NON_FF_OTHER:
+	} else if (reject_mask & NON_FF_OTHER) {
 		if (default_matching_used)
 			advise_use_upstream();
 		else
 			advise_checkout_pull_push();
-		break;
 	}
 
 	return 1;
diff --git a/transport.c b/transport.c
index 9932f40..ae9fda8 100644
--- a/transport.c
+++ b/transport.c
@@ -714,7 +714,7 @@ static int print_one_push_status(struct ref *ref, const char *dest, int count, i
 }
 
 void transport_print_push_status(const char *dest, struct ref *refs,
-				  int verbose, int porcelain, int *nonfastforward)
+				  int verbose, int porcelain, unsigned int *reject_mask)
 {
 	struct ref *ref;
 	int n = 0;
@@ -733,18 +733,17 @@ void transport_print_push_status(const char *dest, struct ref *refs,
 		if (ref->status == REF_STATUS_OK)
 			n += print_one_push_status(ref, dest, n, porcelain);
 
-	*nonfastforward = 0;
+	*reject_mask = 0;
 	for (ref = refs; ref; ref = ref->next) {
 		if (ref->status != REF_STATUS_NONE &&
 		    ref->status != REF_STATUS_UPTODATE &&
 		    ref->status != REF_STATUS_OK)
 			n += print_one_push_status(ref, dest, n, porcelain);
-		if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD &&
-		    *nonfastforward != NON_FF_HEAD) {
+		if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD) {
 			if (!strcmp(head, ref->name))
-				*nonfastforward = NON_FF_HEAD;
+				*reject_mask |= NON_FF_HEAD;
 			else
-				*nonfastforward = NON_FF_OTHER;
+				*reject_mask |= NON_FF_OTHER;
 		}
 	}
 }
@@ -1031,9 +1030,9 @@ static void die_with_unpushed_submodules(struct string_list *needs_pushing)
 
 int transport_push(struct transport *transport,
 		   int refspec_nr, const char **refspec, int flags,
-		   int *nonfastforward)
+		   unsigned int *reject_mask)
 {
-	*nonfastforward = 0;
+	*reject_mask = 0;
 	transport_verify_remote_names(refspec_nr, refspec);
 
 	if (transport->push) {
@@ -1099,7 +1098,7 @@ int transport_push(struct transport *transport,
 		if (!quiet || err)
 			transport_print_push_status(transport->url, remote_refs,
 					verbose | porcelain, porcelain,
-					nonfastforward);
+					reject_mask);
 
 		if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
 			set_upstreams(transport, remote_refs, pretend);
diff --git a/transport.h b/transport.h
index 3b21c4a..b9e124a 100644
--- a/transport.h
+++ b/transport.h
@@ -140,11 +140,12 @@ int transport_set_option(struct transport *transport, const char *name,
 void transport_set_verbosity(struct transport *transport, int verbosity,
 	int force_progress);
 
-#define NON_FF_HEAD 1
-#define NON_FF_OTHER 2
+#define NON_FF_HEAD     0x01
+#define NON_FF_OTHER    0x02
+
 int transport_push(struct transport *connection,
 		   int refspec_nr, const char **refspec, int flags,
-		   int * nonfastforward);
+		   unsigned int * reject_mask);
 
 const struct ref *transport_get_remote_refs(struct transport *transport);
 
@@ -170,7 +171,7 @@ void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int v
 int transport_refs_pushed(struct ref *ref);
 
 void transport_print_push_status(const char *dest, struct ref *refs,
-		  int verbose, int porcelain, int *nonfastforward);
+		  int verbose, int porcelain, unsigned int *reject_mask);
 
 typedef void alternate_ref_fn(const struct ref *, void *);
 extern void for_each_alternate_ref(alternate_ref_fn, void *);
-- 
1.7.1

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