Add onlyPrefix and exceptPrefix arguments

README.md

@@ -36,6 +36,26 @@ jobs:
           expire-in: 7days # Setting this to 0 will delete all artifacts
 ```
 
+### Optional arguments
+
+#### `onlyPrefix`
+
+Only purge artifacts that start with `tmp_` as a prefix.
+
+```yaml
+with:
+  onlyPrefix: tmp_  
+```
+
+#### `exceptPrefix`
+
+Exclude any artifacts that start with `prod_` as a prefix
+
+```yaml
+with:
+  exceptPrefix: prod_
+```
+
 ## Contributing
 
 There are few improvements to be made, namely

action.yml

@@ -11,6 +11,14 @@ inputs:
   token:
     required: true
     description: 'Github auth token'
+  onlyPrefix:
+    required: false
+    description: 'Only artifacts with the specified prefix will be deleted'
+    default: ''
+  exceptPrefix:
+    required: false
+    description: 'Artifacts with this prefix will not be included for deletion'
+    default: ''
 runs:
   using: 'node12'
   main: 'dist/index.js'

src/utils.ts

@@ -44,9 +44,14 @@ export async function* eachArtifact(
 
 export interface IActionInputs {
   expireInMs: number
+  onlyPrefix: string
+  exceptPrefix: string
 }
 export function getActionInputs(): IActionInputs {
   const expireInHumanReadable = core.getInput('expire-in', { required: true })
   const expireInMs = parseDuration(expireInHumanReadable)
-  return { expireInMs }
+  const onlyPrefix = core.getInput('onlyPrefix', { required: false })
+  const exceptPrefix = core.getInput('exceptPrefix', { required: false })
+
+  return { expireInMs, onlyPrefix, exceptPrefix }
 }