From e30d78d4734bbfbc4579dbbefa449edd4925b941 Mon Sep 17 00:00:00 2001
From: peaceiris <30958501+peaceiris@users.noreply.github.com>
Date: Tue, 31 Dec 2019 23:40:06 +0900
Subject: [PATCH] ci: Fix CHANGELOG diff

---
 .github/workflows/release.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fd2d892..5ca7741 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -53,6 +53,7 @@ jobs:
 
       - name: Prepare release
         run: |
+          echo "::set-env name=CHANGELOG_SHA::$(git rev-parse HEAD)"
           git fetch origin
           npm run release -- --release-as "${RELEASE_TYPE}" --preset eslint
           git push origin "${BRANCH_NAME}"
@@ -83,7 +84,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
-          git diff HEAD^ ./CHANGELOG.md | grep "^+" | sed -e '1d' | sed -e 's/^+//g' > ./release_notes.md
+          git diff "${CHANGELOG_SHA}" HEAD ./CHANGELOG.md | grep "^+" | sed -e '1d' | sed -e 's/^+//g' > ./release_notes.md
           sed -i "1iRelease ${TAG_NAME}\n" ./release_notes.md
           hub release create \
             --draft \