Merge pull request #552 from bstansberry/Issue_549

[Issue_549] Have the update_post workflow merge main into the 'update…

.github/workflows/update_post_merge.yml

@@ -0,0 +1,85 @@
+name: "Update the blog post's date"
+
+on:
+  workflow_dispatch:
+    inputs:
+      PR_NUM:
+        description: "PR ID to amend. Leave empty to perform changes on the main branch."
+        required: false
+      post_name:
+        description: "Blog post name to amend"
+        required: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Clone git repository
+        uses: actions/checkout@v4
+        with:
+          ref: "main"
+      - name: Update the date of ${{ github.event.inputs.post_name }}
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          set -e
+
+          readonly OLD_POST="${{ github.event.inputs.post_name }}"
+          readonly ORIGINAL_PR="${{ github.event.inputs.PR_NUM }}"
+          readonly NEW_DATE="$(date '+%Y-%m-%d')"
+
+          readonly REPO_ID="wildfly/wildfly.org"
+          readonly COMMIT_USERNAME="Wildfly.org CI"
+          readonly COMMIT_EMAIL="[email protected]"
+
+          FIX_BRANCH_NAME=''
+          SOURCE_LINK=""
+          if [ "${ORIGINAL_PR}" != '' ]; then
+            echo "Checking out PR${ORIGINAL_PR}"
+            gh pr checkout "${ORIGINAL_PR}" --repo "${REPO_ID}"
+            FIX_BRANCH_NAME="fix_pr_${ORIGINAL_PR}"
+          
+            SOURCE_LINK="[PR${ORIGINAL_PR}]($(gh browse ${ORIGINAL_PR} --repo "${REPO_ID}" -n))"
+          else
+            echo "Using branch main"
+            FIX_BRANCH_NAME="fix_pr_main"
+
+            SOURCE_LINK="[main]($(gh browse -b main -n --repo "${REPO_ID}"))"
+          fi
+
+          if [ ! -f "_posts/${OLD_POST}" ]; then
+            echo "Blog post ${OLD_POST} not found"
+            exit 1
+          fi
+
+          echo "Creating a new branch: "
+          git checkout -b "${FIX_BRANCH_NAME}"
+          
+          if [ "${ORIGINAL_PR}" != '' ]; then
+            // Issue_549 Merge main into the PR branch to avoid permission issues if main
+            // includes .github/workflows changes that are not in the PR branch
+            MERGE_TARGET="$(git branch --show-current 2>/dev/null)"
+            git merge main -m "Merge 'main' into '${MERGE_TARGET}'"
+          fi
+          
+          readonly OLD_DATE=$(echo ${OLD_POST} | sed -E "s/([0-9]{4}\-[0-9]{2}\-[0-9]{2}).*/\1/")
+
+          echo "Replacing ${OLD_DATE} in the blog post"
+          sed -E -i "s/date:( *)${OLD_DATE}/date:\1${NEW_DATE}/"  "_posts/${OLD_POST}"
+
+          readonly NEW_POST="${NEW_DATE}"`echo "${OLD_POST}" | sed -E "s/[0-9]{4}\-[0-9]{2}\-[0-9]{2}//"`
+          echo "Renaming the ${OLD_POST} to ${NEW_POST}"
+
+          git mv _posts/${OLD_POST} _posts/${NEW_POST}
+
+          echo "Committing changes and creating update PR"
+          git config --global user.name "${COMMIT_USERNAME}"
+          git config --global user.email "${COMMIT_EMAIL}"
+
+          readonly COMMIT_MESSAGE="Update ${OLD_POST} blog date"
+          git commit -am "${COMMIT_MESSAGE}"
+          git push --set-upstream origin "${FIX_BRANCH_NAME}"
+
+          gh pr create --title "${COMMIT_MESSAGE}"\
+           --body "Date update for ${OLD_POST} from ${SOURCE_LINK}"\
+           --repo "${REPO_ID}"