From 7ef4a9124a62e29956b576e4f105ba9c21d5a30f Mon Sep 17 00:00:00 2001
From: Samgu Lee <cable8mm@gmail.com>
Date: Sun, 7 Jun 2026 18:48:41 +0900
Subject: [PATCH] feat: set publishing strategy

---
 .github/workflows/astro.yml            |  5 +-
 .github/workflows/update-changelog.yml | 86 ++++++++++++++++++++++++++
 CHANGELOG.md                           |  1 +
 3 files changed, 89 insertions(+), 3 deletions(-)
 create mode 100644 .github/workflows/update-changelog.yml
 create mode 100644 CHANGELOG.md

diff --git a/.github/workflows/astro.yml b/.github/workflows/astro.yml
index 6e1b43a..bd4e99f 100644
--- a/.github/workflows/astro.yml
+++ b/.github/workflows/astro.yml
@@ -5,9 +5,8 @@
 name: Deploy Astro site to Pages
 
 on:
-  # Runs on pushes targeting the default branch
-  push:
-    branches: ["main"]
+  release:
+    types: [published]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
diff --git a/.github/workflows/update-changelog.yml b/.github/workflows/update-changelog.yml
new file mode 100644
index 0000000..d1be063
--- /dev/null
+++ b/.github/workflows/update-changelog.yml
@@ -0,0 +1,86 @@
+name: update-changelog
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+
+    permissions:
+      # Give the default GITHUB_TOKEN write permission to commit and push the
+      # updated CHANGELOG back to the repository.
+      # https://github.blog/changelog/2023-02-02-github-actions-updating-the-default-github_token-permissions-to-read-only/
+      contents: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v5
+        with:
+          # Fetch entire history of repository to ensure relase date can be
+          # extracted from commit of the given tag.
+          fetch-depth: 0
+          # Checkout target branch of this release. Ensures that the CHANGELOG
+          # is not out of date.
+          ref: ${{ github.event.release.target_commitish }}
+
+      - name: Check if branch and release match
+        if: ${{ github.event.release.target_commitish != 'main' && github.event.release.target_commitish != 'master' }}
+        id: guard
+        run: |
+          NUMERIC_VERSION="${RELEASE_TAG_NAME#v}"
+          MAJOR_VERSION="${NUMERIC_VERSION%%.*}"
+          BRANCH_MAJOR_VERSION="${BRANCH%%.*}"
+
+          echo "MAJOR_VERSION=$(echo $MAJOR_VERSION)" >> $GITHUB_OUTPUT;
+          echo "BRANCH_MAJOR_VERSION=$(echo $BRANCH_MAJOR_VERSION)" >> $GITHUB_OUTPUT;
+
+          if [ "$MAJOR_VERSION" != "$BRANCH_MAJOR_VERSION" ]; then
+            echo "Mismatched versions! Aborting."
+            VERSION_MISMATCH='true';
+          else
+            echo "Versions match! Proceeding."
+            VERSION_MISMATCH='false';
+          fi
+          echo "VERSION_MISMATCH=$(echo $VERSION_MISMATCH)" >> $GITHUB_OUTPUT;
+        env:
+          BRANCH: ${{ github.event.release.target_commitish }}
+          RELEASE_TAG_NAME: ${{ github.event.release.tag_name }}
+
+      - name: Fail if branch and release tag do not match
+        if: ${{ steps.guard.outputs.VERSION_MISMATCH == 'true' }}
+        uses: actions/github-script@v6
+        with:
+          script: |
+            core.setFailed('Workflow failed. Release version does not match with selected target branch. Changelog not updated automatically.')
+
+      - name: Extract release date from git tag
+        id: release_date
+        run: |
+          # Get UNIX timestamp from git-tag
+          TIMESTAMP_OF_RELEASE_COMMIT=$(git log -1 --date=unix --format=%ad '${{ github.event.release.tag_name }}');
+
+          # Convert timestamp to UTC date in Y-m-d format
+          FORMATED_DATE=$(date -u -d @$TIMESTAMP_OF_RELEASE_COMMIT +%Y-%m-%d)
+
+          # Make date available to other steps
+          echo "date=$(echo $FORMATED_DATE)" >> $GITHUB_OUTPUT;
+
+      - name: Update Changelog
+        uses: stefanzweifel/changelog-updater-action@v1
+        with:
+          # Pass extracted release date, release notes and version to the Action.
+          release-date: ${{ steps.release_date.outputs.date }}
+          release-notes: ${{ github.event.release.body }}
+          latest-version: ${{ github.event.release.tag_name }}
+          compare-url-target-revision: ${{ github.event.release.target_commitish }}
+          parse-github-usernames: true
+
+      - name: Commit updated CHANGELOG
+        uses: stefanzweifel/git-auto-commit-action@v6
+        with:
+          # Push updated CHANGELOG to release target branch.
+          branch: ${{ github.event.release.target_commitish }}
+          commit_message: Update CHANGELOG
+          file_pattern: CHANGELOG.md
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..38bf0d7
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1 @@
+# Release Notes