Bugfix/fix in-develop labeler (#1410)

* fix issue not being labeled with in-develop

* restrict to only run on merge to develop

* Remove Python setup

Co-authored-by: Josélio Júnior <76992016+lunatic-fox@users.noreply.github.com>

---------

Co-authored-by: Josélio Júnior <76992016+lunatic-fox@users.noreply.github.com>
Co-authored-by: David Leal <halfpacho@gmail.com>

.github/workflows/in_develop_labeler.yml

@@ -1,12 +1,14 @@
 name: Label Issue In Develop
-on: 
-  pull_request:
-    types: [closed]
+on:
+  workflow_run:
+    workflows: ['On Develop PR Merge']
+    types: 
+      - completed
 jobs:
-  label:
+  label_preflight:
     name: Label Issue In Develop
     runs-on: ubuntu-18.04
-    if: github.event.pull_request.merged == true
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
     steps:
       - uses: actions/checkout@v2
 
@@ -19,9 +21,22 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -r ./.github/scripts/requirements.txt
+          
+      - name: Download workflow artifact
+        uses: dawidd6/action-download-artifact@v2.11.0
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          workflow: peek_icons.yml
+          run_id: ${{ github.event.workflow_run.id }}
+
+      - name: Read the pr_num file
+        id: pr_num_reader
+        uses: juliangruber/read-file-action@v1.0.0
+        with:
+          path: ./pr_num/pr_num.txt
 
       - name: Run in_develop_labeler.py
         env:
           TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          BODY: ${{ github.event.pull_request.body }}
-        run: python ./.github/scripts/in_develop_labeler.py $TOKEN "$BODY"
+          PR_NUM: ${{ steps.pr_num_reader.outputs.content }}
+        run: python ./.github/scripts/in_develop_labeler.py $TOKEN "$PR_NUM"

.github/workflows/in_develop_labeler_preflight.yml

@@ -0,0 +1,24 @@
+name: On Develop PR Merge
+on: 
+  pull_request:
+    types: [closed]
+    branches: [develop]
+jobs:
+  save_pr_num_in_artifact:
+    name: Preflight Label Issue In Develop
+    runs-on: ubuntu-18.04
+    if: github.event.pull_request.merged == true
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Save the PR number in an artifact
+        shell: bash
+        env:
+          PR_NUM: ${{ github.event.number }}
+        run: echo $PR_NUM > pr_num.txt
+
+      - name: Upload the PR number
+        uses: actions/upload-artifact@v2.2.4
+        with:
+          name: pr_num
+          path: ./pr_num.txt