refactor: initialize Git variable in a single place

Relate to #1610

Author: php-coder

.github/workflows/todos-extract-from-code.yml

@@ -95,24 +95,25 @@ jobs:
           # Make variable available for the next steps
           echo "PUZZLES_FILES_MODIFIED=$PUZZLES_FILES_MODIFIED" | tee -a "$GITHUB_ENV"
 
-      - name: Collect information about the original commit
+      - name: Initialize Git variables for committing the changes
         if: env.PUZZLES_FILES_MODIFIED == 'yes'
         run: |
+          AUTHOR_EMAIL="$(git show "$GITHUB_SHA" --no-patch --format=%aE)"
+          AUTHOR_NAME="$(git show "$GITHUB_SHA" --no-patch --format=%aN)"
+
           # Make variables available for the next steps
           (
             echo "COMMIT_MSG=$(git show "$GITHUB_SHA" --no-patch --format=oneline --abbrev-commit)"
-            echo "AUTHOR_EMAIL=$(git show "$GITHUB_SHA" --no-patch --format=%aE)"
-            echo "AUTHOR_NAME=$(git show "$GITHUB_SHA" --no-patch --format=%aN)"
+            echo "GIT_AUTHOR_NAME=GitHub Action on behalf of $AUTHOR_NAME"
+            echo "GIT_COMMITTER_NAME=GitHub Action on behalf of $AUTHOR_NAME"
+            echo "GIT_AUTHOR_EMAIL=$AUTHOR_EMAIL"
+            echo "GIT_COMMITTER_EMAIL=$AUTHOR_EMAIL"
           ) | tee -a "$GITHUB_ENV"
 
       - name: Commit the changes
         if: env.PUZZLES_FILES_MODIFIED == 'yes'
         env:
-          GIT_AUTHOR_NAME:     "GitHub Action on behalf of ${{ env.AUTHOR_NAME }}"
-          GIT_COMMITTER_NAME:  "GitHub Action on behalf of ${{ env.AUTHOR_NAME }}"
-          GIT_AUTHOR_EMAIL:    "${{ env.AUTHOR_EMAIL }}"
-          GIT_COMMITTER_EMAIL: "${{ env.AUTHOR_EMAIL }}"
-          NEW_COMMIT_MSG:      "chore: processed ${{ env.COMMIT_MSG }}"
+          NEW_COMMIT_MSG: "chore: processed ${{ env.COMMIT_MSG }}"
         working-directory: generated-todos
         run: |
           for FILE in pdd.xml todos-in-code.tsv; do