Merge pull request #647 from tj-actions/chore/remove-logging-the-github-context

.github/workflows/test.yml

@@ -270,8 +270,6 @@ jobs:
         with:
           submodules: true
           fetch-depth: 0
-      - name: Show github context
-        run: echo '${{ toJSON(github) }}'
       - name: Run changed-files with defaults
         id: changed-files
         uses: ./

diff-sha.sh

@@ -70,8 +70,12 @@ if [[ -z $GITHUB_BASE_REF ]]; then
     fi
 
     if [[ "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
-      INITIAL_COMMIT="true"
-      echo "::debug::Initial commit detected"
+      PREVIOUS_SHA=$(git rev-parse "$CURRENT_SHA^1")
+
+      if [[ "$PREVIOUS_SHA" == "$CURRENT_SHA" ]]; then
+        INITIAL_COMMIT="true"
+        echo "::debug::Initial commit detected"
+      fi
     fi
   else
     PREVIOUS_SHA=$INPUT_BASE_SHA