Merge branch 'db/push-single-with-HEAD'

* db/push-single-with-HEAD:
  Resolve value supplied for no-colon push refspecs

builtin-push.c

@@ -44,15 +44,6 @@ static void set_refspecs(const char **refs, int nr)
 			strcat(tag, refs[i]);
 			ref = tag;
 		}
-		if (!strcmp("HEAD", ref)) {
-			unsigned char sha1_dummy[20];
-			ref = resolve_ref(ref, sha1_dummy, 1, NULL);
-			if (!ref)
-				die("HEAD cannot be resolved.");
-			if (prefixcmp(ref, "refs/heads/"))
-				die("HEAD cannot be resolved to branch.");
-			ref = xstrdup(ref + 11);
-		}
 		add_refspec(ref);
 	}
 }

remote.c

@@ -730,9 +730,17 @@ static int match_explicit(struct ref *src, struct ref *dst,
 		errs = 1;
 
 	if (!dst_value) {
+		unsigned char sha1[20];
+		int flag;
+
 		if (!matched_src)
 			return errs;
-		dst_value = matched_src->name;
+		dst_value = resolve_ref(matched_src->name, sha1, 1, &flag);
+		if (!dst_value ||
+		    ((flag & REF_ISSYMREF) &&
+		     prefixcmp(dst_value, "refs/heads/")))
+			die("%s cannot be resolved to branch.",
+			    matched_src->name);
 	}
 
 	switch (count_refspec_match(dst_value, dst, &matched_dst)) {

t/t5516-fetch-push.sh

@@ -302,6 +302,49 @@ test_expect_success 'push with HEAD nonexisting at remote' '
 	check_push_result $the_commit heads/local
 '
 
+test_expect_success 'push with +HEAD' '
+
+	mk_test heads/master &&
+	git checkout master &&
+	git branch -D local &&
+	git checkout -b local &&
+	git push testrepo master local &&
+	check_push_result $the_commit heads/master &&
+	check_push_result $the_commit heads/local &&
+
+	# Without force rewinding should fail
+	git reset --hard HEAD^ &&
+	! git push testrepo HEAD &&
+	check_push_result $the_commit heads/local &&
+
+	# With force rewinding should succeed
+	git push testrepo +HEAD &&
+	check_push_result $the_first_commit heads/local
+
+'
+
+test_expect_success 'push with config remote.*.push = HEAD' '
+
+	mk_test heads/local &&
+	git checkout master &&
+	git branch -f local $the_commit &&
+	(
+		cd testrepo &&
+		git checkout local &&
+		git reset --hard $the_first_commit
+	) &&
+	git config remote.there.url testrepo &&
+	git config remote.there.push HEAD &&
+	git config branch.master.remote there &&
+	git push &&
+	check_push_result $the_commit heads/master &&
+	check_push_result $the_first_commit heads/local
+'
+
+# clean up the cruft left with the previous one
+git config --remove-section remote.there
+git config --remove-section branch.master
+
 test_expect_success 'push with dry-run' '
 
 	mk_test heads/master &&