diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 7b1689cc7..b81487acc 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -14,7 +14,33 @@ jobs:
           GITHUB_CONTEXT: ${{ toJson(github) }}
         run: echo "$GITHUB_CONTEXT"
 
+      - name: Initializing git repository
+        run: |
+          git init --initial-branch=main
+          git remote add origin ${{ github.event.repository.html_url }}
+
+      - name: Fetching base and head commit (push)
+        if: github.event_name == 'push'
+        env:
+          PUSHED_COMMITS: ${{ toJSON(github.event.commits) }}
+        run: |
+          if [[ ${{ github.event.before }} == 0000000000000000000000000000000000000000 ]]
+          then
+            before=$(echo "$PUSHED_COMMITS" | jq .[0].id --raw-output)
+
+            git fetch --no-tags --prune --no-recurse-submodules --depth=2 origin $before ${{ github.event.after }}
+
+            echo "BASE=$(git rev-parse $before~1)" >> $GITHUB_ENV
+          else
+            git fetch --no-tags --prune --no-recurse-submodules --depth=1 origin ${{ github.event.before }} ${{ github.event.after }}
+
+            echo "BASE=${{ github.event.before }}" >> $GITHUB_ENV
+          fi
+
+          echo "HEAD=${{ github.event.after }}" >> $GITHUB_ENV
+
       - name: Fetching base and head commit (pull_request)
+        if: github.event_name == 'pull_request'
         run: |
           git fetch --no-tags --prune --no-recurse-submodules --depth=$((${{ github.event.pull_request.commits }} + 1)) origin ${{ github.event.pull_request.head.sha }}
           git fetch --no-tags --prune --no-recurse-submodules --depth=10 origin ${{ github.event.pull_request.base.sha }}
@@ -32,9 +58,6 @@ jobs:
 
       - name: Checkout
         uses: actions/checkout@v3
-        with:
-          fetch-depth: 2
-          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Setup node
         uses: actions/setup-node@v2