ci: Don't push commits merged in the upstream

.github/workflows/merge-upstream.yml

@@ -1,4 +1,4 @@
-name: Merge upstream recipes
+name: Update the recipes
 
 on:
   workflow_dispatch:
@@ -26,57 +26,23 @@ jobs:
         sparse-checkout: '.'
         ref: ${{ matrix.base_ref }}
 
-    - name: Switch to a work branch
-      id: start
-      run: |
-        echo "rev=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
-
-    - name: Install git-filter-repo
-      run: |
-        sudo apt-get update && sudo apt-get install git-filter-repo --yes
-
     - name: Fetch the upstream
       run: |
         git remote add upstream ${{ matrix.upstream }}
         git fetch upstream ${{ matrix.upstream_branch }}
 
-    - name: Configure the Git identity
-      run: |
-        # Set some identity. Actually it will be overridden later by git-filter-repo,
-        # so it can be anything
-        git config --add user.name 'github-actions[bot]'
-        git config --add user.email '6270544+github-actions[bot]@users.noreply.github.com'
-
-    - name: Retrieve the merge base
-      id: merge-base
-      run: |
-        rev=$(git merge-base upstream/${{ matrix.upstream_branch }} ${{ matrix.base_ref }})
-        echo "rev=$rev" > "$GITHUB_OUTPUT"
-
-    - name: Filter commits
-      run: |
-        git switch -C upstream-recipes upstream/${{ matrix.upstream_branch }}
-        git-filter-repo \
-          --path recipes/ --refs "${{ steps.merge-base.outputs.rev }}..HEAD" \
-          --commit-callback '
-            commit.committer_name = commit.author_name
-            commit.committer_email = commit.author_email
-            commit.committer_date = commit.author_date
-          ' --force
-
-    - name: Rebase
+    - name: Make a temporary branch
       run: |
-        git rebase -s ort -X ours ${{ steps.start.outputs.rev }}
+        git switch -C tmp upstream/${{ matrix.upstream_branch }}
+        git push --force origin HEAD
 
-    - name: Merge into the original branch
+    - name: Cherry pick commits
       run: |
-        git switch ${{ matrix.base_ref }}
-        git merge --ff upstream-recipes
+        git cherry-pick --strategy ort -X theirs ..${{ matrix.base_ref }}
 
     - name: Create a pull request
       uses: peter-evans/create-pull-request@v5
       with:
-        branch: create-pull-request/recipes
-        token: ${{ secrets.PAT_FOR_PR }}
-        title: 'Merge upstream recipe commits'
+        branch: My recipes
+        title: 'Rebase my branch onto the latest upstream'
         labels: automation