Use the tagged module selection for CI delivery

.woodpecker/release.yml

@@ -1,7 +1,6 @@
 matrix:
   include:
     - GO_IMAGE: golang:1.25.5
-      RELEASEKIT_VERSION: v0.1.0
 
 when:
   - event: tag
@@ -15,7 +14,36 @@ steps:
         from_secret: GITEA_RELEASE_TOKEN
     commands:
       - |
-        go run gitea.maximumdirect.net/eric/ReleaseKit/cmd/releasekit@${RELEASEKIT_VERSION} ci-deliver \
+        set -eu
+        test -n "$${CI_COMMIT_TAG}"
+        test -n "$${CI_COMMIT_SHA}"
+        git check-ref-format "refs/tags/$${CI_COMMIT_TAG}"
+        git fetch origin "refs/tags/$${CI_COMMIT_TAG}:refs/tags/$${CI_COMMIT_TAG}"
+        tag_commit=$(git rev-parse "refs/tags/$${CI_COMMIT_TAG}^{commit}")
+        expected_commit=$(printf '%s' "$${CI_COMMIT_SHA}" | tr '[:upper:]' '[:lower:]')
+        test "$(printf '%s' "$${tag_commit}" | tr '[:upper:]' '[:lower:]')" = "$${expected_commit}"
+        git checkout --detach "$${tag_commit}"
+        test "$(git rev-parse HEAD | tr '[:upper:]' '[:lower:]')" = "$${expected_commit}"
+        test -z "$(git status --porcelain --untracked-files=all)"
+
+        bootstrap_dir=$(mktemp -d "$${CI_WORKSPACE%/*}/.releasekit-bootstrap.XXXXXX")
+        trap 'rm -rf "$${bootstrap_dir}"' EXIT
+        cp go.mod "$${bootstrap_dir}/go.mod"
+        if [ -f go.sum ]; then
+          cp go.sum "$${bootstrap_dir}/go.sum"
+        else
+          : > "$${bootstrap_dir}/go.sum"
+        fi
+        cp "$${bootstrap_dir}/go.mod" "$${bootstrap_dir}/releasekit.mod"
+        cp "$${bootstrap_dir}/go.sum" "$${bootstrap_dir}/releasekit.sum"
+
+        export GOWORK=off
+        export GOTOOLCHAIN=local
+        releasekit_module=gitea.maximumdirect.net/eric/ReleaseKit
+        go list -mod=mod -modfile="$${bootstrap_dir}/releasekit.mod" -m "$${releasekit_module}"
+        go build -mod=mod -modfile="$${bootstrap_dir}/releasekit.mod" \
+          -o "$${bootstrap_dir}/releasekit" "$${releasekit_module}/cmd/releasekit"
+        "$${bootstrap_dir}/releasekit" ci-deliver \
           --repo "$${CI_WORKSPACE}" \
           --commit "$${CI_COMMIT_SHA}" \
           "$${CI_COMMIT_TAG}"

docs/release.md

@@ -19,9 +19,10 @@ GOWORK=off GOTOOLCHAIN=local go mod download
 ```
 
 If dependency preparation changes `go.mod` or `go.sum`, include those changes in
-the committed candidate. The release wrapper separately bootstraps the pinned
+the committed candidate. The release wrapper separately builds the ReleaseKit
-ReleaseKit command into ignored `bin/releasekit`; that build is tool preparation,
+version selected by `go.mod` into ignored `bin/releasekit`. It uses temporary
-not candidate validation.
+copies of `go.mod` and `go.sum` for tool dependency preparation; that build is
+tool preparation, not candidate validation.
 
 ## Prepare and publish the candidate
 
@@ -71,29 +72,36 @@ profile, or version input error; and `3` means the push outcome remains unknown.
 
 ## Binary delivery
 
-Woodpecker runs the pinned ReleaseKit `ci-deliver` command for tags under
+Woodpecker runs ReleaseKit's `ci-deliver` command for tags under
-`refs/tags/v*`. It verifies the triggering commit against the tag, prepares the
+`refs/tags/v*`. The tagged `go.mod` selects the ReleaseKit version, and
-tagged source, and uses `releasekit.json` to build and deliver:
+`releasekit.json` supplies Audita's build and delivery settings:
 
 - `audita-<version>-linux-amd64`
 - `audita-<version>-linux-arm64`
 - `SHA256SUMS`
 
-The workflow invokes:
+Before running Go, the workflow fetches and verifies the event tag, checks it
+out detached, and confirms the source tree is clean. It copies the tagged
+`go.mod` and `go.sum` into temporary module metadata outside the checkout. Go
+confirms that this configuration selects ReleaseKit, then builds its CLI using
+an alternate `-modfile`. The bootstrap executable and temporary files remain
+outside the tagged source. The workflow runs with the existing Go 1.25.5 image,
+`GOWORK=off`, and `GOTOOLCHAIN=local`.
+
+The resulting executable receives:
 
 ```sh
-go run gitea.maximumdirect.net/eric/ReleaseKit/cmd/releasekit@${RELEASEKIT_VERSION} ci-deliver \
+"$${bootstrap_dir}/releasekit" ci-deliver \
   --repo "$${CI_WORKSPACE}" \
   --commit "$${CI_COMMIT_SHA}" \
   "$${CI_COMMIT_TAG}"
 ```
 
-Woodpecker sets `RELEASEKIT_VERSION` to `v0.1.0` for this workflow.
+The workflow maps the existing `GITEA_RELEASE_TOKEN` secret to
-
+`RELEASEKIT_GITEA_TOKEN`. The complete checked-in release note, including its
-The complete checked-in release note, including its licensing footer, supplies
+licensing footer, supplies the hosted release body. Delivery runs independently
-the hosted release body. The workflow maps the existing `GITEA_RELEASE_TOKEN`
+after source publication; its status and logs report delivery progress or
-secret to `RELEASEKIT_GITEA_TOKEN`. Delivery runs independently after source
+failure.
-publication; its status and logs report delivery progress or failure.
 
 ReleaseKit handles content-aware retries and retained-artifact recovery. See
 the pinned [publication recovery guide](https://gitea.maximumdirect.net/eric/ReleaseKit/src/tag/v0.1.0/docs/consumers/publish.md)

scripts/release.sh

@@ -3,7 +3,23 @@ set -euo pipefail
 
 script_dir=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)
 cd "$script_dir/.."
+
+releasekit_module=gitea.maximumdirect.net/eric/ReleaseKit
+bootstrap_dir=$(mktemp -d "${TMPDIR:-/tmp}/releasekit-bootstrap.XXXXXX")
+trap 'rm -rf "$bootstrap_dir"' EXIT
+cp go.mod "$bootstrap_dir/go.mod"
+if [[ -f go.sum ]]; then
+	cp go.sum "$bootstrap_dir/go.sum"
+else
+	: > "$bootstrap_dir/go.sum"
+fi
+cp "$bootstrap_dir/go.mod" "$bootstrap_dir/releasekit.mod"
+cp "$bootstrap_dir/go.sum" "$bootstrap_dir/releasekit.sum"
+
 mkdir -p bin
-GOWORK=off GOTOOLCHAIN=local go build -mod=readonly \
+GOWORK=off GOTOOLCHAIN=local go list -mod=mod -modfile="$bootstrap_dir/releasekit.mod" -m "$releasekit_module" >/dev/null
-	-o ./bin/releasekit gitea.maximumdirect.net/eric/ReleaseKit/cmd/releasekit
+GOWORK=off GOTOOLCHAIN=local go build -mod=mod -modfile="$bootstrap_dir/releasekit.mod" \
+	-o ./bin/releasekit "$releasekit_module/cmd/releasekit"
+rm -rf "$bootstrap_dir"
+trap - EXIT
 exec ./bin/releasekit "$@"

scripts/release_test.go

@@ -11,33 +11,55 @@ import (
 	"strconv"
 	"strings"
 	"testing"
+
+	"gopkg.in/yaml.v3"
 )
 
 const goStub = `#!/usr/bin/env bash
 set -euo pipefail
-printf '%s\0' "$PWD" "GOWORK=$GOWORK" "GOTOOLCHAIN=$GOTOOLCHAIN" "$@" > "$RELEASEKIT_BUILD_LOG"
+case ${1:?missing Go command} in
-if [[ ${RELEASEKIT_BOOTSTRAP_STATUS:-0} != 0 ]]; then
+list)
-	exit "$RELEASEKIT_BOOTSTRAP_STATUS"
+	log=$RELEASEKIT_LIST_LOG
-fi
+	printf '%s\0' "$PWD" "GOWORK=$GOWORK" "GOTOOLCHAIN=$GOTOOLCHAIN" "$@" > "$log"
-output=
+	modfile=
-while (($#)); do
+	for argument in "$@"; do
-	case $1 in
+		case $argument in -modfile=*) modfile=${argument#-modfile=} ;; esac
-	-o)
+	done
+	[[ -n $modfile && -f $modfile && -f ${modfile%.mod}.sum ]]
+	cp "$modfile" "$RELEASEKIT_MODULE_LOG"
+	cp "${modfile%.mod}.sum" "$RELEASEKIT_SUM_LOG"
+	if [[ ${RELEASEKIT_BOOTSTRAP_STATUS:-0} != 0 ]]; then
+		exit "$RELEASEKIT_BOOTSTRAP_STATUS"
+	fi
+	printf '%s\n' v0.1.0
+	;;
+build)
+	printf '%s\0' "$PWD" "GOWORK=$GOWORK" "GOTOOLCHAIN=$GOTOOLCHAIN" "$@" > "$RELEASEKIT_BUILD_LOG"
+	if [[ ${RELEASEKIT_BOOTSTRAP_STATUS:-0} != 0 ]]; then
+		exit "$RELEASEKIT_BOOTSTRAP_STATUS"
+	fi
+	output=
+	while (($#)); do
+		case $1 in
+		-o)
+			shift
+			output=${1:?missing output path}
+			;;
+		-o=*) output=${1#-o=} ;;
+		esac
 		shift
-		output=${1:?missing output path}
+	done
-		;;
+	[[ -n $output ]]
-	-o=*) output=${1#-o=} ;;
+	cat > "$output" <<'RELEASEKIT_TOOL'
-	esac
-	shift
-done
-[[ -n $output ]]
-cat > "$output" <<'RELEASEKIT_TOOL'
 #!/usr/bin/env bash
 set -euo pipefail
 printf '%s\0' "$PWD" "$@" > "$RELEASEKIT_ARGS_LOG"
 exit "${RELEASEKIT_TOOL_STATUS:-0}"
 RELEASEKIT_TOOL
-chmod +x "$output"
+	chmod +x "$output"
+	;;
+*) exit 64 ;;
+esac
 `
 
 func TestReleaseWrapperForwardsNativeArgumentsAndStatus(t *testing.T) {
@@ -50,6 +72,9 @@ func TestReleaseWrapperForwardsNativeArgumentsAndStatus(t *testing.T) {
 			cmd.Env = layout.environment(map[string]string{
 				"RELEASEKIT_ARGS_LOG":    layout.argsLog,
 				"RELEASEKIT_BUILD_LOG":   layout.buildLog,
+				"RELEASEKIT_LIST_LOG":    layout.listLog,
+				"RELEASEKIT_MODULE_LOG":  layout.moduleLog,
+				"RELEASEKIT_SUM_LOG":     layout.sumLog,
 				"RELEASEKIT_TOOL_STATUS": strconv.Itoa(toolStatus),
 			})
 			output, err := cmd.CombinedOutput()
@@ -60,17 +85,49 @@ func TestReleaseWrapperForwardsNativeArgumentsAndStatus(t *testing.T) {
 				t.Fatalf("unexpected output: %q", output)
 			}
 
+			listInvocation := readNULArguments(t, layout.listLog)
 			buildInvocation := readNULArguments(t, layout.buildLog)
-			if len(buildInvocation) < 4 || buildInvocation[0] != layout.repo {
+			for name, invocation := range map[string][]string{"list": listInvocation, "build": buildInvocation} {
-				t.Fatalf("build invocation=%q, want repository %q", buildInvocation, layout.repo)
+				if len(invocation) < 4 || invocation[0] != layout.repo {
-			}
+					t.Fatalf("%s invocation=%q, want repository %q", name, invocation, layout.repo)
-			if buildInvocation[1] != "GOWORK=off" || buildInvocation[2] != "GOTOOLCHAIN=local" {
+				}
-				t.Fatalf("build environment=%q", buildInvocation[1:3])
+				if invocation[1] != "GOWORK=off" || invocation[2] != "GOTOOLCHAIN=local" {
+					t.Fatalf("%s environment=%q", name, invocation[1:3])
+				}
 			}
+			listArgs := listInvocation[3:]
 			buildArgs := buildInvocation[3:]
-			if buildArgs[0] != "build" || !slices.Contains(buildArgs, "-mod=readonly") || !slices.Contains(buildArgs, "gitea.maximumdirect.net/eric/ReleaseKit/cmd/releasekit") {
+			modfile := argumentValue(listArgs, "-modfile=")
+			if listArgs[0] != "list" || !slices.Contains(listArgs, "-mod=mod") || !slices.Contains(listArgs, "-m") || !slices.Contains(listArgs, "gitea.maximumdirect.net/eric/ReleaseKit") {
+				t.Fatalf("unexpected module-selection arguments: %q", listArgs)
+			}
+			if modfile == "" || argumentValue(buildArgs, "-modfile=") != modfile || !slices.Contains(buildArgs, "-mod=mod") {
+				t.Fatalf("list/build did not share alternate module metadata: list=%q build=%q", listArgs, buildArgs)
+			}
+			if buildArgs[0] != "build" || !slices.Contains(buildArgs, "gitea.maximumdirect.net/eric/ReleaseKit/cmd/releasekit") {
 				t.Fatalf("unexpected build arguments: %q", buildArgs)
 			}
+			if relative, err := filepath.Rel(layout.repo, modfile); err != nil || relative == "." || (!strings.HasPrefix(relative, ".."+string(filepath.Separator)) && relative != "..") {
+				t.Fatalf("alternate module file %q is not outside repository %q: relative=%q error=%v", modfile, layout.repo, relative, err)
+			}
+			if module := readText(t, layout.moduleLog); !strings.Contains(module, "gitea.maximumdirect.net/eric/ReleaseKit v0.1.0") {
+				t.Fatalf("temporary module file does not retain selected ReleaseKit version: %q", module)
+			}
+			if sum := readText(t, layout.sumLog); !strings.Contains(sum, "fixture checksum") {
+				t.Fatalf("temporary sum file did not copy source checksums: %q", sum)
+			}
+			if sourceModule := readText(t, filepath.Join(layout.repo, "go.mod")); !strings.Contains(sourceModule, "gitea.maximumdirect.net/eric/ReleaseKit v0.1.0") {
+				t.Fatalf("source go.mod changed: %q", sourceModule)
+			}
+			if sourceSum := readText(t, filepath.Join(layout.repo, "go.sum")); sourceSum != "fixture checksum\n" {
+				t.Fatalf("source go.sum changed: %q", sourceSum)
+			}
+			if _, err := os.Stat(modfile); !os.IsNotExist(err) {
+				t.Fatalf("temporary module file remains after wrapper: %v", err)
+			}
+			if _, err := os.Stat(filepath.Join(filepath.Dir(modfile), "releasekit.sum")); !os.IsNotExist(err) {
+				t.Fatalf("temporary sum file remains after wrapper: %v", err)
+			}
 			if info, err := os.Stat(filepath.Join(layout.repo, "bin", "releasekit")); err != nil || !info.Mode().IsRegular() {
 				t.Fatalf("ReleaseKit executable was not built in bin: %v", err)
 			}
@@ -84,6 +141,86 @@ func TestReleaseWrapperForwardsNativeArgumentsAndStatus(t *testing.T) {
 	}
 }
 
+func TestDeliveryWorkflowUsesModuleSelectedReleaseKit(t *testing.T) {
+	data, err := os.ReadFile("../.woodpecker/release.yml")
+	if err != nil {
+		t.Fatal(err)
+	}
+	var workflow struct {
+		Matrix struct {
+			Include []map[string]string `yaml:"include"`
+		} `yaml:"matrix"`
+		When []struct {
+			Event string `yaml:"event"`
+			Ref   string `yaml:"ref"`
+		} `yaml:"when"`
+		Steps []struct {
+			Name        string `yaml:"name"`
+			Image       string `yaml:"image"`
+			Environment map[string]struct {
+				FromSecret string `yaml:"from_secret"`
+			} `yaml:"environment"`
+			Commands []string `yaml:"commands"`
+		} `yaml:"steps"`
+	}
+	if err := yaml.Unmarshal(data, &workflow); err != nil {
+		t.Fatal(err)
+	}
+	if len(workflow.Matrix.Include) != 1 || workflow.Matrix.Include[0]["GO_IMAGE"] != "golang:1.25.5" {
+		t.Fatalf("workflow Go image = %v, want existing Go 1.25.5 image", workflow.Matrix.Include)
+	}
+	if len(workflow.When) != 1 || workflow.When[0].Event != "tag" || workflow.When[0].Ref != "refs/tags/v*" {
+		t.Fatalf("workflow trigger = %+v", workflow.When)
+	}
+	if len(workflow.Steps) != 1 || workflow.Steps[0].Name != "deliver" || workflow.Steps[0].Image != "${GO_IMAGE}" {
+		t.Fatalf("workflow delivery step = %+v", workflow.Steps)
+	}
+	if secret := workflow.Steps[0].Environment["RELEASEKIT_GITEA_TOKEN"].FromSecret; secret != "GITEA_RELEASE_TOKEN" {
+		t.Fatalf("delivery secret = %q, want existing GITEA_RELEASE_TOKEN", secret)
+	}
+	if len(workflow.Steps[0].Commands) != 1 {
+		t.Fatalf("workflow commands = %q, want one bootstrap/delivery command", workflow.Steps[0].Commands)
+	}
+	command := workflow.Steps[0].Commands[0]
+	for _, fragment := range []string{
+		"git fetch origin \"refs/tags/$${CI_COMMIT_TAG}:refs/tags/$${CI_COMMIT_TAG}\"",
+		"git checkout --detach \"$${tag_commit}\"",
+		"git status --porcelain --untracked-files=all",
+		"mktemp -d \"$${CI_WORKSPACE%/*}/.releasekit-bootstrap.XXXXXX\"",
+		"trap 'rm -rf \"$${bootstrap_dir}\"' EXIT",
+		"cp go.mod \"$${bootstrap_dir}/go.mod\"",
+		"cp go.sum \"$${bootstrap_dir}/go.sum\"",
+		"export GOWORK=off",
+		"export GOTOOLCHAIN=local",
+		"releasekit_module=gitea.maximumdirect.net/eric/ReleaseKit",
+		"go list -mod=mod -modfile=",
+		"-m \"$${releasekit_module}\"",
+		"go build -mod=mod -modfile=",
+		"-o \"$${bootstrap_dir}/releasekit\" \"$${releasekit_module}/cmd/releasekit\"",
+		"\"$${bootstrap_dir}/releasekit\" ci-deliver",
+		"--repo \"$${CI_WORKSPACE}\"",
+		"--commit \"$${CI_COMMIT_SHA}\"",
+		"\"$${CI_COMMIT_TAG}\"",
+	} {
+		if !strings.Contains(command, fragment) {
+			t.Fatalf("workflow command is missing %q: %s", fragment, command)
+		}
+	}
+	if strings.Index(command, "git checkout --detach") > strings.Index(command, "go list -mod=mod") || strings.Index(command, "git status --porcelain") > strings.Index(command, "go list -mod=mod") {
+		t.Fatalf("workflow resolves the tool before verifying the tagged source: %s", command)
+	}
+	if strings.Contains(command, "RELEASEKIT_VERSION") || strings.Contains(command, "cmd/releasekit@") {
+		t.Fatalf("workflow retains a separate tool version: %s", command)
+	}
+	goMod, err := os.ReadFile("../go.mod")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !strings.Contains(string(goMod), "gitea.maximumdirect.net/eric/ReleaseKit v0.1.0") {
+		t.Fatalf("go.mod does not retain selected supported ReleaseKit version: %s", goMod)
+	}
+}
+
 func TestReleaseWrapperStopsWhenBootstrapFails(t *testing.T) {
 	layout := newReleaseTestLayout(t)
 	cmd := exec.Command("bash", layout.wrapper, "publish", "v4.2.0")
@@ -91,6 +228,9 @@ func TestReleaseWrapperStopsWhenBootstrapFails(t *testing.T) {
 	cmd.Env = layout.environment(map[string]string{
 		"RELEASEKIT_ARGS_LOG":         layout.argsLog,
 		"RELEASEKIT_BUILD_LOG":        layout.buildLog,
+		"RELEASEKIT_LIST_LOG":         layout.listLog,
+		"RELEASEKIT_MODULE_LOG":       layout.moduleLog,
+		"RELEASEKIT_SUM_LOG":          layout.sumLog,
 		"RELEASEKIT_BOOTSTRAP_STATUS": "42",
 	})
 	output, err := cmd.CombinedOutput()
@@ -100,6 +240,17 @@ func TestReleaseWrapperStopsWhenBootstrapFails(t *testing.T) {
 	if _, err := os.Stat(layout.argsLog); !os.IsNotExist(err) {
 		t.Fatalf("ReleaseKit executed after failed bootstrap; stat error=%v", err)
 	}
+	if _, err := os.Stat(layout.buildLog); !os.IsNotExist(err) {
+		t.Fatalf("ReleaseKit build ran after module selection failed; stat error=%v", err)
+	}
+	listInvocation := readNULArguments(t, layout.listLog)
+	modfile := argumentValue(listInvocation[3:], "-modfile=")
+	if modfile == "" {
+		t.Fatalf("module selection did not use temporary metadata: %q", listInvocation)
+	}
+	if _, err := os.Stat(filepath.Dir(modfile)); !os.IsNotExist(err) {
+		t.Fatalf("temporary bootstrap directory remains after failed selection: %v", err)
+	}
 }
 
 func TestReleaseKitProfileDeclaresProductAndDeliverySettings(t *testing.T) {
@@ -176,23 +327,29 @@ func TestReleaseKitTargetMembership(t *testing.T) {
 }
 
 type releaseTestLayout struct {
-	repo     string
+	repo      string
-	caller   string
+	caller    string
-	wrapper  string
+	wrapper   string
-	argsLog  string
+	argsLog   string
-	buildLog string
+	buildLog  string
-	path     string
+	listLog   string
+	moduleLog string
+	sumLog    string
+	path      string
 }
 
 func newReleaseTestLayout(t *testing.T) releaseTestLayout {
 	t.Helper()
 	root := t.TempDir()
 	layout := releaseTestLayout{
-		repo:     filepath.Join(root, "repository"),
+		repo:      filepath.Join(root, "repository"),
-		caller:   filepath.Join(root, "caller"),
+		caller:    filepath.Join(root, "caller"),
-		argsLog:  filepath.Join(root, "tool-arguments"),
+		argsLog:   filepath.Join(root, "tool-arguments"),
-		buildLog: filepath.Join(root, "build-arguments"),
+		buildLog:  filepath.Join(root, "build-arguments"),
-		path:     filepath.Join(root, "bin"),
+		listLog:   filepath.Join(root, "list-arguments"),
+		moduleLog: filepath.Join(root, "temporary-go.mod"),
+		sumLog:    filepath.Join(root, "temporary-go.sum"),
+		path:      filepath.Join(root, "bin"),
 	}
 	if err := os.MkdirAll(filepath.Join(layout.repo, "scripts"), 0755); err != nil {
 		t.Fatal(err)
@@ -210,9 +367,29 @@ func newReleaseTestLayout(t *testing.T) releaseTestLayout {
 	layout.wrapper = filepath.Join(layout.repo, "scripts", "release.sh")
 	writeReleaseTestFile(t, layout.wrapper, wrapper, 0755)
 	writeReleaseTestFile(t, filepath.Join(layout.path, "go"), []byte(goStub), 0755)
+	writeReleaseTestFile(t, filepath.Join(layout.repo, "go.mod"), []byte("module example.com/audita-fixture\n\ngo 1.25.5\n\nrequire gitea.maximumdirect.net/eric/ReleaseKit v0.1.0\n"), 0644)
+	writeReleaseTestFile(t, filepath.Join(layout.repo, "go.sum"), []byte("fixture checksum\n"), 0644)
 	return layout
 }
 
+func readText(t *testing.T, path string) string {
+	t.Helper()
+	data, err := os.ReadFile(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	return string(data)
+}
+
+func argumentValue(arguments []string, prefix string) string {
+	for _, argument := range arguments {
+		if strings.HasPrefix(argument, prefix) {
+			return strings.TrimPrefix(argument, prefix)
+		}
+	}
+	return ""
+}
+
 func (layout releaseTestLayout) environment(values map[string]string) []string {
 	filtered := make([]string, 0, len(os.Environ())+len(values)+1)
 	for _, value := range os.Environ() {