feat: write undeploy version

See toolshed/organising#633

tests/integration/app_undeploy.bats

@@ -107,10 +107,10 @@ teardown(){
 
 # bats test_tags=slow
 @test "undeploy chaos deployment" {
-  run $ABRA app deploy "$TEST_APP_DOMAIN" \
-    --no-input --no-converge-checks --chaos
+  run $ABRA app deploy "$TEST_APP_DOMAIN" --no-input --chaos
 
-  _undeploy_app
+  run $ABRA app undeploy "$TEST_APP_DOMAIN" --no-input
+  assert_success
   
   # NOTE(d1): ensure chaos undeploy
   assert_output --partial ${_get_current_hash:0:8}

tests/integration/app_undeploy_env_version.bats

@@ -0,0 +1,60 @@
+#!/usr/bin/env bash
+
+setup_file(){
+  load "$PWD/tests/integration/helpers/common"
+  _common_setup
+  _add_server
+  _new_app
+}
+
+teardown_file(){
+  _rm_app
+  _rm_server
+  _reset_recipe
+}
+
+setup(){
+  load "$PWD/tests/integration/helpers/common"
+  _common_setup
+  _ensure_catalogue
+}
+
+teardown(){
+  _reset_recipe
+  _undeploy_app
+  _reset_app
+}
+
+# bats test_tags=slow
+@test "undeploy version written to env" {
+  run $ABRA app deploy "$TEST_APP_DOMAIN" "0.1.0+1.20.0" \
+    --no-input --no-converge-checks
+  assert_success
+
+  run grep -q "TYPE=$TEST_RECIPE:0.1.0+1.20.0" \
+    "$ABRA_DIR/servers/$TEST_SERVER/$TEST_APP_DOMAIN.env"
+  assert_success
+
+  run sed -i "s/TYPE=$TEST_RECIPE:.*/TYPE=$TEST_RECIPE/g" \
+    "$ABRA_DIR/servers/$TEST_SERVER/$TEST_APP_DOMAIN.env"
+  assert_success
+
+  run $ABRA app undeploy "$TEST_APP_DOMAIN" --no-input
+  assert_success
+
+  run grep -q "TYPE=$TEST_RECIPE:0.1.0+1.20.0" \
+    "$ABRA_DIR/servers/$TEST_SERVER/$TEST_APP_DOMAIN.env"
+  assert_success
+}
+
+# bats test_tags=slow
+@test "chaos commit written to env" {
+  run $ABRA app deploy "$TEST_APP_DOMAIN" --no-input --chaos
+
+  run $ABRA app undeploy "$TEST_APP_DOMAIN" --no-input
+  assert_success
+
+  run grep -q "TYPE=$TEST_RECIPE:${_get_current_hash:0:8}" \
+    "$ABRA_DIR/servers/$TEST_SERVER/$TEST_APP_DOMAIN.env"
+  assert_success
+}