fix: properly handle tag and branch pushes

tests/unit/git_8.bats

@@ -0,0 +1,51 @@
+#!/usr/bin/env bats
+
+load test_helper
+
+TEST_PLUGIN_APP=smoke-test-app
+TEST_PLUGIN_GIT_REPO=https://github.com/dokku/${TEST_PLUGIN_APP}.git
+TEST_PLUGIN_LOCAL_REPO="$(mktemp -d)/$TEST_PLUGIN_APP"
+
+clone_test_app() {
+  git clone "$TEST_PLUGIN_GIT_REPO" "$TEST_PLUGIN_LOCAL_REPO"
+}
+
+remove_test_app() {
+  rm -rf $TEST_PLUGIN_LOCAL_REPO
+}
+
+setup() {
+  global_setup
+  create_app
+  clone_test_app
+}
+
+teardown() {
+  remove_test_app || true
+  destroy_app
+  global_teardown
+}
+
+@test "(git) push tags and branches" {
+  # https://github.com/dokku/dokku/issues/5188
+  local GIT_REMOTE=${GIT_REMOTE:="dokku@${DOKKU_DOMAIN}:$TEST_APP"}
+  run git -C "$TEST_PLUGIN_LOCAL_REPO" remote add target "$GIT_REMOTE"
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run git -C "$TEST_PLUGIN_LOCAL_REPO" push target 1.0.0:master
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run git -C "$TEST_PLUGIN_LOCAL_REPO" push target 2.0.0:master -f
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+
+  run git -C "$TEST_PLUGIN_LOCAL_REPO" push target master -f
+  echo "output: $output"
+  echo "status: $status"
+  assert_success
+}