Merge pull request #77 from fkrafi/feature/custom_preid_support_#76

#76: added support for custom preid

README.md

@@ -54,6 +54,17 @@ Make sure you use the `actions/checkout@v2` action!
     default: prerelease
 ```
 
+**preid:** Set a preid value will building prerelease version  (optional - defaults to 'rc'). Example:
+```yaml
+- name:  'Automated Version Bump'
+  uses:  'phips28/gh-action-bump-version@master'
+  env:
+    GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  with:
+    default: prerelease
+    preid: 'prc'
+```
+
 **wording:** Customize the messages that trigger the version bump. It must be a string, case sensitive, coma separated  (optional). Example:
 ```yaml
 - name:  'Automated Version Bump'

action.yml

@@ -39,6 +39,10 @@ inputs:
     description: 'Set a default version bump to use'
     default: 'patch'
     required: false
+  preid:
+    description: 'Set a custom preid for prerelease build'
+    default: 'rc'
+    required: false
   commit-message:
     description: 'Set a custom commit message for version bump commit'
     default: ''

index.js

@@ -52,7 +52,7 @@ Toolkit.run(async tools => {
     }
   }
   ))) {
-    const preid = foundWord.split('-')[1]
+    const preid = process.env.INPUT_PREID || foundWord.split('-')[1]
     version = `prerelease --preid=${preid}`
   } else if (Array.isArray(patchWords) && patchWords.length) {
     if (!messages.some(message => patchWords.some(word => message.includes(word)))) {