Add feature for stripping v prefix (#12)

.github/workflows/test.yml

@@ -19,6 +19,12 @@ jobs:
     - name: Test dev
       run: |
         test "v1.0.0" = "${{steps.tag_dev.outputs.tag}}"
+    - name: Run dev with strip v
+      id: tag_dev_strip_v
+      run: GITHUB_REF=refs/tags/v1.0.0 INPUT_STRIP_V=true node main.js
+    - name: Test dev with strip v
+      run: |
+        test "1.0.0" = "${{steps.tag_dev_strip_v.outputs.tag}}"
     - name: Run prod
       id: tag_prod
       if: startsWith(github.ref, 'refs/tags') == true

action.yml

@@ -3,6 +3,11 @@ description: Get tag name from GITHUB_REF environment variable
 branding:
   icon: tag
   color: gray-dark
+inputs:
+  strip_v:
+    required: false
+    default: false
+    description: Whether to strip "v" from the tag or not
 outputs:
   tag:
     description: Git tag name

main.js

@@ -3,11 +3,16 @@ const core = require("@actions/core")
 async function main() {
   try {
     const ref = process.env.GITHUB_REF
+    const strip_v = process.env.INPUT_STRIP_V
     if(!ref)
       throw "GITHUB_REF is not defined"
     if(!ref.startsWith("refs/tags/"))
       throw `Not a tag ref (${ref})`
-    const tag = ref.replace(/^refs\/tags\//, "")
+    let tag = ref.replace(/^refs\/tags\//, "")
+
+    if(strip_v === "true" && tag.startsWith("v"))
+      tag = tag.replace(/^v/, "")
+
 
     core.info(`ref=${ref}`)
     core.info(`tag=${tag}`)