Merge pull request #288 from onflow/hannah/call-docs-refresh-with-diff

Add github actions for getting diff & calling refresh

> @codingone21 Thank you for automating this, but it got me wondering, could we extract this whole thing in our own Github action that could be then referenced in all the CDs? cc @10thfloor

I think that is possible! We already refactored the 'refresh' workflow into a singular repository (in /flow). We can take it a step further to refactor more common code into a single workflow, and call this in fewer lines of code.

Author: codingone21

.github/workflows/call-refresh-doc.yml

@@ -0,0 +1,52 @@
+# This workflow is stored and called from each repository that contains documentation files
+name: call-refresh-doc
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  compare:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+      
+    - name: Get changed files
+      id: changed-files
+      uses: tj-actions/changed-files@v19
+      with:
+        files: |
+          docs/**/*.md
+          docs/**/*.mdx
+
+    # --- Log all diff info --- 
+    - name: Log the files commit SHA if any md/mdx files have diffs
+      continue-on-error: true
+      if: steps.changed-files.outputs.any_modified == 'true'
+      run: |
+        for file in ${{ steps.changed-files.outputs.all_modified_files }}; do
+          echo "$file was modified" with the commit ${{ github.sha }}
+        done
+        for file in ${{ steps.changed-files.outputs.added_files }}; do
+          echo "$file was added"
+        done
+        for file in ${{ steps.changed-files.outputs.deleted_files }}; do
+          echo "$file was deleted"
+        done
+        for file in ${{ steps.changed-files.outputs.all_modified_files }}; do
+          echo "$file was modified"
+        done
+    outputs: 
+      all_modified_files: ${{ steps.changed-files.outputs.all_modified_files }}
+      any_modified: ${{ steps.changed-files.outputs.any_modified }}
+
+  # --- If modified, call refresh --- 
+  call-refresh-workflow-passing-data:
+    runs-on: ubuntu-latest
+    needs: compare
+    if: ${{ needs.compare.outputs.all_modified_files != 0 }}
+    uses: onflow/flow/.github/workflows/refresh-doc.yml@master
+    with:
+      contentPaths: ${{ needs.compare.outputs.all_modified_files }}
+      repository: ${{ github.event.repository.name }}
+      commitSha: ${{ github.sha }}