feat: ArtifactExt as a template field

internal/tmpl/tmpl.go

@@ -63,6 +63,7 @@ const (
 	mips         = "Mips"
 	binary       = "Binary"
 	artifactName = "ArtifactName"
+	artifactExt  = "ArtifactExt"
 	artifactPath = "ArtifactPath"
 
 	// build keys.
@@ -146,6 +147,7 @@ func (t *Template) WithArtifact(a *artifact.Artifact, replacements map[string]st
 	t.fields[amd64] = replace(replacements, a.Goamd64)
 	t.fields[binary] = artifact.ExtraOr(*a, binary, t.fields[projectName].(string))
 	t.fields[artifactName] = a.Name
+	t.fields[artifactExt] = artifact.ExtraOr(*a, artifact.ExtraExt, "")
 	t.fields[artifactPath] = a.Path
 	return t
 }

internal/tmpl/tmpl_test.go

@@ -69,6 +69,9 @@ func TestWithArtifact(t *testing.T) {
 		"another line":                     "{{ .TagBody }}",
 		"runtime: " + runtime.GOOS:         "runtime: {{ .Runtime.Goos }}",
 		"runtime: " + runtime.GOARCH:       "runtime: {{ .Runtime.Goarch }}",
+		"artifact name: not-this-binary":   "artifact name: {{ .ArtifactName }}",
+		"artifact ext: .exe":               "artifact ext: {{ .ArtifactExt }}",
+		"artifact path: /tmp/foo.exe":      "artifact path: {{ .ArtifactPath }}",
 
 		"remove this": "{{ filter .Env.MULTILINE \".*remove.*\" }}",
 		"something with\nmultiple lines\nto test things": "{{ reverseFilter .Env.MULTILINE \".*remove.*\" }}",
@@ -80,6 +83,7 @@ func TestWithArtifact(t *testing.T) {
 			result, err := New(ctx).WithArtifact(
 				&artifact.Artifact{
 					Name:    "not-this-binary",
+					Path:    "/tmp/foo.exe",
 					Goarch:  "amd64",
 					Goos:    "linux",
 					Goarm:   "6",
@@ -87,6 +91,7 @@ func TestWithArtifact(t *testing.T) {
 					Goamd64: "v3",
 					Extra: map[string]interface{}{
 						artifact.ExtraBinary: "binary",
+						artifact.ExtraExt:    ".exe",
 					},
 				},
 				map[string]string{"linux": "Linux"},

www/docs/customization/templates.md

@@ -72,6 +72,7 @@ may have some extra fields:
 | `.Binary`       | binary name                           |
 | `.ArtifactName` | archive name                          |
 | `.ArtifactPath` | absolute path to artifact             |
+| `.ArtifactExt`  | binary extension (e.g. `.exe`)        |
 
 [^8]: Might have been replaced by `archives.replacements`.