Added a path to output a list of releases formatted as JSON

README.md

@@ -87,6 +87,7 @@ jobs:
 |-----------------------|-----------------------------------------------------------------------------------|:--------:|:-------------:|
 | token                 | The GITHUB_TOKEN secret.                                                          |    yes   |               |
 | release_file          | The path to the RELEASE file or pattern to match one or multiple RELEASE files.   |    no    |    RELEASE    |
+| output_releases_file  | The path to output the list of releases formatted in JSON.                        |    no    |               |
 
 ## Outputs
 

action.yaml

@@ -13,6 +13,9 @@ inputs:
   token:
     description: 'The GITHUB_TOKEN secret.'
     required: true
+  output_releases_file_path:
+    description: 'The path to output the list of releases formatted in JSON.'
+    required: false
 
 outputs:
   releases:
@@ -24,3 +27,4 @@ runs:
   args:
     - release-file=${{ inputs.release_file }}
     - token=${{ inputs.token }}
+    - output-releases-file-path=${{ inputs.output_releases_file_path }}

main.go

@@ -140,6 +140,12 @@ func main() {
 		log.Fatalf("Failed to marshal releases: %v\n", err)
 	}
 	fmt.Printf("::set-output name=releases::%s\n", string(releasesJSON))
+	if args.OutputReleasesFilePath != "" {
+		if err := os.WriteFile(args.OutputReleasesFilePath, releasesJSON, 0644); err != nil {
+			log.Fatalf("Failed to write releases JSON to %s: %v\n", args.OutputReleasesFilePath, err)
+		}
+		log.Printf("Successfully wrote releases JSON to %s\n", args.OutputReleasesFilePath)
+	}
 
 	// Create GitHub releases if the event was push.
 	if event.Name == eventPush {
@@ -166,8 +172,9 @@ func main() {
 }
 
 type arguments struct {
-	ReleaseFile string
-	Token       string
+	ReleaseFile            string
+	Token                  string
+	OutputReleasesFilePath string
 }
 
 func parseArgs(args []string) (arguments, error) {
@@ -183,6 +190,8 @@ func parseArgs(args []string) (arguments, error) {
 			out.ReleaseFile = ps[1]
 		case "token":
 			out.Token = ps[1]
+		case "output-releases-file-path":
+			out.OutputReleasesFilePath = ps[1]
 		}
 	}