Merge branch 'sk/send-pack-all-fix' into maint

"git send-pack --all <there>" was broken when its command line
option parsing was written in the 2.6 timeframe.

* sk/send-pack-all-fix:
  git-send-pack: fix --all option when used with directory

builtin/send-pack.c

@@ -225,7 +225,7 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
 	 * --all and --mirror are incompatible; neither makes sense
 	 * with any refspecs.
 	 */
-	if ((refspecs && (send_all || args.send_mirror)) ||
+	if ((nr_refspecs > 0 && (send_all || args.send_mirror)) ||
 	    (send_all && args.send_mirror))
 		usage_with_options(send_pack_usage, options);
 

t/t5400-send-pack.sh

@@ -128,6 +128,18 @@ test_expect_success 'denyNonFastforwards trumps --force' '
 	test "$victim_orig" = "$victim_head"
 '
 
+test_expect_success 'send-pack --all sends all branches' '
+	# make sure we have at least 2 branches with different
+	# values, just to be thorough
+	git branch other-branch HEAD^ &&
+
+	git init --bare all.git &&
+	git send-pack --all all.git &&
+	git for-each-ref refs/heads >expect &&
+	git -C all.git for-each-ref refs/heads >actual &&
+	test_cmp expect actual
+'
+
 test_expect_success 'push --all excludes remote-tracking hierarchy' '
 	mkdir parent &&
 	(