feat: add optional tag_prefix

README.md

@@ -37,6 +37,10 @@ release ; `tag`: creates a lightweight tag ; `none`: computes the next
 
 **Optional** Format used to create tags. Default `"v%major%.%minor%.%patch%"`.
 
+### `tag_prefixt`
+
+**Optional** Tag prefix for monorepo. Default `""`.
+
 ### `tag`
 
 **Optional** Tag to use. If left undefined, it will be computed using the tags

action.yml

@@ -27,6 +27,11 @@ inputs:
     required: true
     default: 'v%major%.%minor%.%patch%'
 
+  tag_prefix:
+    description: 'Format used to create tags'
+    required: true
+    default: ''
+
   tag:
     description: 'Tag to use'
     required: false
@@ -37,7 +42,7 @@ outputs:
 
 runs:
   using: 'docker'
-  image: 'docker://krogon/semver-release-action:v2.1.0'
+  image: 'docker://krogon/semver-release-action:v2.2.0'
   args:
     - ${{ inputs.release_branch }}
     - ${{ inputs.release_strategy }}

action.yml.dist

@@ -27,6 +27,11 @@ inputs:
     required: true
     default: 'v%major%.%minor%.%patch%'
 
+  tag_prefix:
+    description: 'Format used to create tags'
+    required: true
+    default: ''
+
   tag:
     description: 'Tag to use'
     required: false

internal/pkg/event/guard.go

@@ -1,7 +1,7 @@
 package event
 
 import (
-	"io/ioutil"
+	"io"
 	"os"
 
 	"github.com/K-Phoen/semver-release-action/internal/pkg/action"
@@ -116,7 +116,7 @@ func readEvent(cmd *cobra.Command, filePath string) []byte {
 	action.AssertNoError(cmd, err, "could not open GitHub event file: %s", err)
 	defer file.Close()
 
-	b, err := ioutil.ReadAll(file)
+	b, err := io.ReadAll(file)
 	action.AssertNoError(cmd, err, "could not read GitHub event file: %s", err)
 
 	return b

internal/pkg/git/git.go

@@ -15,8 +15,8 @@ import (
 
 func LatestTagCommand() *cobra.Command {
 	return &cobra.Command{
-		Use:  "latest-tag [REPOSITORY] [GH_TOKEN] [TAG_FORMAT]",
-		Args: cobra.ExactArgs(3),
+		Use:  "latest-tag [REPOSITORY] [GH_TOKEN] [TAG_FORMAT] [TAG_PREFIX]",
+		Args: cobra.ExactArgs(4),
 		Run:  executeLatestTag,
 	}
 }
@@ -33,6 +33,7 @@ func executeLatestTag(cmd *cobra.Command, args []string) {
 	repository := args[0]
 	githubToken := args[1]
 	tagFormat := args[2]
+	tagPrefix := args[3]
 
 	ctx := context.Background()
 
@@ -53,15 +54,22 @@ func executeLatestTag(cmd *cobra.Command, args []string) {
 	}
 	action.AssertNoError(cmd, err, "could not list git refs: %s", err)
 
+	latest := filterRemoteTags(refs, tagFormat, tagPrefix)
+	cmd.Printf("%sv%s", tagPrefix, latest)
+}
+
+func filterRemoteTags(refs []*github.Reference, tagFormat string, tagPrefix string) semver.Version {
 	latest := semver.MustParse("0.0.0")
 	tagFormatRegex := createRegexFromTagFormat(tagFormat)
 
 	for _, ref := range refs {
 		versionStr := strings.Replace(*ref.Ref, "refs/tags/", "", 1)
+		versionStr = strings.Replace(versionStr, tagPrefix, "", 1)
 		formatValid, _ := regexp.MatchString(tagFormatRegex, versionStr)
 		if !formatValid {
 			continue
 		}
+
 		version, err := semver.ParseTolerant(versionStr)
 		if err != nil {
 			continue
@@ -72,5 +80,5 @@ func executeLatestTag(cmd *cobra.Command, args []string) {
 		}
 	}
 
-	cmd.Printf("v%s", latest)
+	return latest
 }

internal/pkg/git/git_test.go

@@ -0,0 +1,58 @@
+package git
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/blang/semver/v4"
+	"github.com/google/go-github/v45/github"
+)
+
+func Test_filterRemoteTags(t *testing.T) {
+	tagFormat := "v%major%.%minor%.%patch%"
+	tests := []struct {
+		name      string
+		refs      []*github.Reference
+		tagFormat string
+		tagPrefix string
+		want      semver.Version
+	}{
+		{
+			name:      "sample",
+			tagFormat: tagFormat,
+			tagPrefix: "",
+			refs: []*github.Reference{
+				{Ref: github.String("refs/tags/v0.5.5")},
+				{Ref: github.String("refs/tags/v1.2.3")},
+			},
+			want: semver.Version{Major: 1, Minor: 2, Patch: 3},
+		},
+		{
+			name:      "sampleA",
+			tagFormat: tagFormat,
+			tagPrefix: "moduleA-",
+			refs: []*github.Reference{
+				{Ref: github.String("refs/tags/moduleA-v0.5.5")},
+				{Ref: github.String("refs/tags/moduleB-v1.2.3")},
+			},
+			want: semver.Version{Major: 0, Minor: 5, Patch: 5},
+		},
+		{
+			name:      "sampleB",
+			tagFormat: tagFormat,
+			tagPrefix: "moduleB-",
+			refs: []*github.Reference{
+				{Ref: github.String("refs/tags/moduleA-v0.5.5")},
+				{Ref: github.String("refs/tags/moduleB-v1.2.3")},
+			},
+			want: semver.Version{Major: 1, Minor: 2, Patch: 3},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := filterRemoteTags(tt.refs, tt.tagFormat, tt.tagPrefix); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("filterRemoteTags() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

internal/pkg/semver/model_test.go

@@ -60,6 +60,11 @@ func TestFormat(t *testing.T) {
 			format:          "v%major%.%minor%.%patch%-RC",
 			expectedVersion: "v1.2.3-RC",
 		},
+		{
+			version:         Version{major: 1, minor: 2, patch: 3},
+			format:          "module-v%major%.%minor%.%patch%",
+			expectedVersion: "module-v1.2.3",
+		},
 	}
 
 	for _, testCase := range cases {