.github: use actions/checkout@v2 again

1 files changed, 4 insertions, 11 deletions

diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 27ce6ae682..0935277d31 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -24,17 +24,10 @@ jobs:
           set -x
           sudo apt-get update -q || :
           sudo apt-get install --no-install-recommends -q -y build-essential libssl-dev libyaml-dev libreadline6-dev zlib1g-dev libncurses5-dev libffi-dev libgdbm-dev bison autoconf ruby
-      # Not using official actions/checkout because it's unstable and sometimes doesn't work for a fork.
-      - name: Checkout ruby
-        run: |
-          git clone --single-branch --shallow-since=yesterday --branch=${GITHUB_REF#refs/heads/} https://github.com/${{ github.repository }} src
-          git -C src reset --hard "$GITHUB_SHA"
-        if: github.event_name == 'push'
-      - name: Checkout a pull request
-        run: |
-          git clone --single-branch --depth=50 --branch=${{ github.event.pull_request.head.ref }} https://github.com/${{ github.event.pull_request.head.repo.full_name }} src
-          git -C src reset --hard ${{ github.event.pull_request.head.sha }}
-        if: github.event_name == 'pull_request'
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 128
+          path: src
       - run: ./src/tool/actions-commit-info.sh
         id: commit_info
       - name: Fixed world writable dirs