Add changelog output paramter

The content of the change log will not be provided as output.
Fixes #6

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## v2.2.0
 
+- Add output parameter for parsed change log content (Fixes [#6](https://github.com/Roang-zero1/github-create-release-action/issues/6))
 - Updated to latest submark version (Fixes [#1](https://github.com/Roang-zero1/github-create-release-action/issues/1))
 - Fix parsing for tags with slashes (Pull Request #9)
 

action.yml

@@ -40,6 +40,10 @@ inputs:
     description: "Heading level at which the tag headings exist."
     default: "h2"
     required: false
+outputs:
+  changelog:
+    description: "Parsed content from the provided changelog file"
+
 runs:
   using: "docker"
   image: "Dockerfile"

entrypoint.sh

@@ -37,6 +37,7 @@ create_release_data() {
     RELEASE_BODY=$(submark -O --$INPUT_CHANGELOG_HEADING $TAG $INPUT_CHANGELOG_FILE)
     if [ -n "${RELEASE_BODY}" ]; then
       echo "Changelog entry found, adding to release"
+      echo "::set-output name=changelog::$(echo ${RELEASE_BODY})"
       RELEASE_DATA=$(echo ${RELEASE_DATA} | jq --arg body "${RELEASE_BODY}" '.body = $body')
     else
       echo "\e[31mChangelog entry not found!\e[0m"