refactor/fix: deploy/upgrade/rollback

See coop-cloud/abra#461

tests/integration/app_upgrade.bats

@@ -33,6 +33,16 @@ teardown(){
   assert_failure
 }
 
+@test "retrieve recipe if missing" {
+  run rm -rf "$ABRA_DIR/recipes/$TEST_RECIPE"
+  assert_success
+  assert_not_exists "$ABRA_DIR/recipes/$TEST_RECIPE"
+
+  run $ABRA app upgrade "$TEST_APP_DOMAIN" --no-input --no-converge-checks
+  assert_failure
+  assert_exists "$ABRA_DIR/recipes/$TEST_RECIPE"
+}
+
 # bats test_tags=slow
 @test "error if specific version is not an upgrade" {
   run $ABRA app deploy "$TEST_APP_DOMAIN" "0.1.0+1.20.0" --no-input --no-converge-checks
@@ -118,6 +128,19 @@ teardown(){
   assert_output --partial '0.2.0+1.21.0'
 }
 
+@test "force upgrade with no available upgrades" {
+  run $ABRA app deploy "$TEST_APP_DOMAIN" \
+    --no-input --no-converge-checks
+  assert_success
+
+  latestRelease=$(_latest_release)
+
+  run $ABRA app upgrade "$TEST_APP_DOMAIN" \
+    --force --no-input --no-converge-checks
+  assert_success
+  assert_output --partial "$latestRelease"
+}
+
 # bats test_tags=slow
 @test "upgrade to latest" {
   run $ABRA app deploy "$TEST_APP_DOMAIN" "0.1.0+1.20.0" --no-input --no-converge-checks