update workflow

Author: bitdruid

.github/workflows/pypi.yml

@@ -1,15 +1,34 @@
-name: build an publish
+name: 'Build an push to pypi'
 
 on:
   push:
-    branches:
-      - release
+    tags:
+      - "*"
   workflow_dispatch:
 
 jobs:
-  build-and-publish:
-    name: build an publish
+  validate-branch:
     runs-on: ubuntu-latest
+    outputs:
+      branch: ${{ steps.check_step.outputs.branch }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Get current branch
+        id: check_step
+        run: |
+          raw=$(git branch -r --contains ${{ github.ref }})
+          branch=${raw##*/}
+          echo "branch=$branch" >> $GITHUB_OUTPUT
+          echo "Commit on branch: $branch."
+
+  push-pypi:
+    runs-on: ubuntu-latest
+    needs: validate-branch
+    if: contains(${{ needs.check.outputs.branch }}, 'main')`
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python 3.8