feat: Add support for custom publishers (#1481)

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>

internal/tmpl/tmpl.go

@@ -38,12 +38,13 @@ const (
 	timestamp   = "Timestamp"
 
 	// artifact-only keys
-	os           = "Os"
+	osKey        = "Os"
 	arch         = "Arch"
 	arm          = "Arm"
 	mips         = "Mips"
 	binary       = "Binary"
 	artifactName = "ArtifactName"
+	artifactPath = "ArtifactPath"
 
 	// gitlab only
 	artifactUploadHash = "ArtifactUploadHash"
@@ -109,12 +110,13 @@ func (t *Template) WithArtifact(a *artifact.Artifact, replacements map[string]st
 	if bin == nil {
 		bin = t.fields[projectName]
 	}
-	t.fields[os] = replace(replacements, a.Goos)
+	t.fields[osKey] = replace(replacements, a.Goos)
 	t.fields[arch] = replace(replacements, a.Goarch)
 	t.fields[arm] = replace(replacements, a.Goarm)
 	t.fields[mips] = replace(replacements, a.Gomips)
 	t.fields[binary] = bin.(string)
 	t.fields[artifactName] = a.Name
+	t.fields[artifactPath] = a.Path
 	if val, ok := a.Extra["ArtifactUploadHash"]; ok {
 		t.fields[artifactUploadHash] = val
 	} else {
@@ -150,6 +152,7 @@ func (t *Template) Apply(s string) (string, error) {
 			"toupper": strings.ToUpper,
 			"trim":    strings.TrimSpace,
 			"dir":     filepath.Dir,
+			"abs":     filepath.Abs,
 		}).
 		Parse(s)
 	if err != nil {

internal/tmpl/tmpl_test.go

@@ -1,12 +1,15 @@
 package tmpl
 
 import (
+	"os"
+	"path/filepath"
 	"testing"
 
 	"github.com/goreleaser/goreleaser/internal/artifact"
 	"github.com/goreleaser/goreleaser/pkg/config"
 	"github.com/goreleaser/goreleaser/pkg/context"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestWithArtifact(t *testing.T) {
@@ -152,6 +155,9 @@ func TestFuncMap(t *testing.T) {
 	var ctx = context.New(config.Project{
 		ProjectName: "proj",
 	})
+	wd, err := os.Getwd()
+	require.NoError(t, err)
+
 	ctx.Git.CurrentTag = "v1.2.4"
 	for _, tc := range []struct {
 		Template string
@@ -190,6 +196,11 @@ func TestFuncMap(t *testing.T) {
 			Name:     "trim",
 			Expected: "test",
 		},
+		{
+			Template: `{{ abs "file" }}`,
+			Name:     "abs",
+			Expected: filepath.Join(wd, "file"),
+		},
 	} {
 		out, err := New(ctx).Apply(tc.Template)
 		assert.NoError(t, err)