[PATCH v3 2/7] transport: add flag for "--[no-]force-if-includes"

[Srinidhi Kaushik <shrinidhi.kaushik@gmail.com>]

Add a new flag: "TRANSPORT_PUSH_FORCE_IF_INCLUDES", which is
set if "--force-if-includes" is specified in the command line
and calls "apply_push_force_if_includes()" if set.

Update "print_one_push_status()" to catch and print the ref
status if set to "REF_STATUS_REJECT_REMOTE_UPDATED"; add a
reject reason: "REJECT_REF_NEEDS_UPDATE" to map it new ref
status.

Signed-off-by: Srinidhi Kaushik <shrinidhi.kaushik@gmail.com>
---
 transport.c | 18 +++++++++++++++++-
 transport.h | 12 +++++++-----
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/transport.c b/transport.c
index 43e24bf1e5..7f5020bba3 100644
--- a/transport.c
+++ b/transport.c
@@ -567,6 +567,11 @@ static int print_one_push_status(struct ref *ref, const char *dest, int count,
 		print_ref_status('!', "[rejected]", ref, ref->peer_ref,
 				 "stale info", porcelain, summary_width);
 		break;
+	case REF_STATUS_REJECT_REMOTE_UPDATED:
+		print_ref_status('!', "[rejected]", ref, ref->peer_ref,
+				 "remote ref updated since checkout",
+				 porcelain, summary_width);
+		break;
 	case REF_STATUS_REJECT_SHALLOW:
 		print_ref_status('!', "[rejected]", ref, ref->peer_ref,
 				 "new shallow roots not allowed",
@@ -659,6 +664,8 @@ void transport_print_push_status(const char *dest, struct ref *refs,
 			*reject_reasons |= REJECT_FETCH_FIRST;
 		} else if (ref->status == REF_STATUS_REJECT_NEEDS_FORCE) {
 			*reject_reasons |= REJECT_NEEDS_FORCE;
+		} else if (ref->status == REF_STATUS_REJECT_REMOTE_UPDATED) {
+			*reject_reasons |= REJECT_REF_NEEDS_UPDATE;
 		}
 	}
 	free(head);
@@ -1101,6 +1108,7 @@ static int run_pre_push_hook(struct transport *transport,
 		if (!r->peer_ref) continue;
 		if (r->status == REF_STATUS_REJECT_NONFASTFORWARD) continue;
 		if (r->status == REF_STATUS_REJECT_STALE) continue;
+		if (r->status == REF_STATUS_REJECT_REMOTE_UPDATED) continue;
 		if (r->status == REF_STATUS_UPTODATE) continue;
 
 		strbuf_reset(&buf);
@@ -1151,6 +1159,8 @@ int transport_push(struct repository *r,
 		int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
 		int push_ret, ret, err;
 		struct strvec ref_prefixes = STRVEC_INIT;
+		int is_cas = 0;
+		int if_includes = flags & TRANSPORT_PUSH_FORCE_IF_INCLUDES;
 
 		if (check_push_refs(local_refs, rs) < 0)
 			return -1;
@@ -1178,9 +1188,15 @@ int transport_push(struct repository *r,
 
 		if (transport->smart_options &&
 		    transport->smart_options->cas &&
-		    !is_empty_cas(transport->smart_options->cas))
+		    !is_empty_cas(transport->smart_options->cas)) {
+			is_cas = 1;
 			apply_push_cas(transport->smart_options->cas,
 				       transport->remote, remote_refs);
+		}
+
+		/* When "--force-if-includes" is specified. */
+		if (if_includes)
+			apply_push_force_if_includes(remote_refs, is_cas);
 
 		set_ref_status_for_push(remote_refs,
 			flags & TRANSPORT_PUSH_MIRROR,
diff --git a/transport.h b/transport.h
index ca409ea1e4..729bb6979e 100644
--- a/transport.h
+++ b/transport.h
@@ -136,6 +136,7 @@ struct transport {
 #define TRANSPORT_PUSH_ATOMIC			(1<<13)
 #define TRANSPORT_PUSH_OPTIONS			(1<<14)
 #define TRANSPORT_RECURSE_SUBMODULES_ONLY	(1<<15)
+#define TRANSPORT_PUSH_FORCE_IF_INCLUDES	(1<<16)
 
 int transport_summary_width(const struct ref *refs);
 
@@ -217,11 +218,12 @@ int transport_set_option(struct transport *transport, const char *name,
 void transport_set_verbosity(struct transport *transport, int verbosity,
 	int force_progress);
 
-#define REJECT_NON_FF_HEAD     0x01
-#define REJECT_NON_FF_OTHER    0x02
-#define REJECT_ALREADY_EXISTS  0x04
-#define REJECT_FETCH_FIRST     0x08
-#define REJECT_NEEDS_FORCE     0x10
+#define REJECT_NON_FF_HEAD      0x01
+#define REJECT_NON_FF_OTHER     0x02
+#define REJECT_ALREADY_EXISTS   0x04
+#define REJECT_FETCH_FIRST      0x08
+#define REJECT_NEEDS_FORCE      0x10
+#define REJECT_REF_NEEDS_UPDATE 0x20
 
 int transport_push(struct repository *repo,
 		   struct transport *connection,
-- 
2.28.0