Support to pull request event

-> Added support to pull_request event
-> Updated ReadMe file

README.md

@@ -1,5 +1,5 @@
 # Bump-N-Tag Version
-GitHub Action program to handle application version file like auto-increment of version number.
+GitHub Action program to handle application version file like auto-increment of version number based on GitHub events. This action program supports "push" and "pull-request" events.
 
 ## Inputs
 
@@ -25,17 +25,11 @@ VERSION 1.2.4.55
 ```
 
 
-## Outputs
-
-### `app_version`
-
-Output parameter to access Updated version.
-
 ## Example usage
 
 ```
 name: App Version Actions
-on: [push]
+on: [push, pull_request]  # Recommended to use either of one event
 
 jobs:
   Version-check:

entrypoint.sh

@@ -1,10 +1,30 @@
 #!/bin/sh -l
+set -e
 
 file_name=$1
 tag_version=$2
 echo "\nInput file name: $file_name : $tag_version"
 
-([ -z "$GITHUB_ONLY_ON_COMMIT" ]) || exit 0
+echo "Git Head Ref: ${GITHUB_HEAD_REF}"
+echo "Git Base Ref: ${GITHUB_BASE_REF}"
+echo "Git Event Name: ${GITHUB_EVENT_NAME}"
+
+echo "\nStarting Git Operations"
+git config --global user.email "[email protected]"
+git config --global user.name "Bump-N-Tag App"
+
+github_ref=""
+
+if test "${GITHUB_EVENT_NAME}" = "push"
+then
+    github_ref=${GITHUB_REF}
+else
+    github_ref=${GITHUB_HEAD_REF}
+    git checkout $github_ref
+fi
+
+
+echo "Git Checkout"
 
 if test -f $file_name; then
     content=$(cat $file_name)
@@ -45,16 +65,14 @@ echo "\nUpdated version: $newver"
 newcontent=$(echo ${content/$oldver/$newver})
 echo $newcontent > $file_name
 
-echo "\nStarting Git Operations"
-git config --global user.email "[email protected]"
-git config --global user.name "Bump-N-Tag App"
-
 git add -A 
 git commit -m "Incremented to ${newver}"  -m "[skip ci]"
 ([ -n "$tag_version" ] && [ "$tag_version" = "true" ]) && (git tag -a "${newver}" -m "[skip ci]") || echo "No tag created"
 
 git show-ref
-git push --follow-tags "https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" HEAD:${GITHUB_REF}
+echo "Git Push"
+
+git push --follow-tags "https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" HEAD:$github_ref
 
 
 echo "\nEnd of Action\n\n"