diff --git a/.github/workflows/pr_actions.yml b/.github/workflows/pr_actions.yml
new file mode 100644
index 0000000000000..09b54659bc566
--- /dev/null
+++ b/.github/workflows/pr_actions.yml
@@ -0,0 +1,72 @@
+# This file contains actions that can be performed on PRs by issuing a comment
+name: 🕹️ On demand PR action
+
+on:
+  issue_comment:
+    types: [created, edited]
+
+jobs:
+  # Action to update test results by issuing /lint
+  run_lint:
+    name: "On demand linting"
+    if: ${{ github.event.issue.pull_request }} && github.event.comment.body == '/lint'
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 1
+        # grab the PR branch
+        ref: ${{ github.event.pull_request.head.ref }}
+        # We can't use GITHUB_TOKEN here because, github actions can't trigger actions
+        # see: https://docs.github.com/en/actions/security-guides/automatic-token-authentication#using-the-github_token-in-a-workflow
+        # So this is a personal access token
+        token: ${{ secrets.RELEASE_PLEASE_TOKEN }}
+    # we need origin/main to have comparison linting work !
+    - name: Fetch origin/main
+      run: git fetch origin main --depth=1
+    - name: Run linting
+      run: make lint front_lint
+    - name: Push changes if needed
+      uses: stefanzweifel/git-auto-commit-action@v5
+      with:
+        commit_message: "chore: Linting changes"
+        branch: ${{ github.event.pull_request.head.ref }}
+        commit_user_name: Open Food Facts Bot
+        commit_user_email: contact@openfoodfacts.org
+        commit_author: Open Food Facts Bot <contact@openfoodfacts.org>
+        push_options: ""
+        status_options: '--untracked-files=no'
+        skip_dirty_check: false
+        create_branch: no
+
+  # Action to update test results by issuing /update_tests_results
+  update_test_results:
+    name: "On demand Update Tests Results"
+    if: ${{ github.event.issue.pull_request }} && github.event.comment.body == '/update_tests_results'
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 1
+        # grab the PR branch
+        ref: ${{ github.event.pull_request.head.ref }}
+        # We can't use GITHUB_TOKEN here because, github actions can't trigger actions
+        # see: https://docs.github.com/en/actions/security-guides/automatic-token-authentication#using-the-github_token-in-a-workflow
+        # So this is a personal access token
+        token: ${{ secrets.RELEASE_PLEASE_TOKEN }}
+    - name: Run update tests results
+      run: make update_tests_results
+    - name: Push changes if needed
+      uses: stefanzweifel/git-auto-commit-action@v5
+      with:
+        commit_message: "test: Update tests results"
+        branch: ${{ github.event.pull_request.head.ref }}
+        commit_user_name: Open Food Facts Bot
+        commit_user_email: contact@openfoodfacts.org
+        commit_author: Open Food Facts Bot <contact@openfoodfacts.org>
+        push_options: ""
+        status_options: '--untracked-files=no'
+        skip_dirty_check: false
+        create_branch: no
\ No newline at end of file
diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 036ec66d7f9d0..044161017c347 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -56,6 +56,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
       with:
+        # needs depth to run git log below
         fetch-depth: 50
     - name: build
       run: make build container=backend
@@ -78,7 +79,10 @@ jobs:
     steps:
     - uses: actions/checkout@v4
       with:
-        fetch-depth: 50
+        fetch-depth: 1
+    # we need origin/main to have comparison linting work !
+    - name: Fetch origin/main
+      run: git fetch origin main --depth=1
     - name: Download backend image from artifacts
       uses: ishworkh/docker-image-artifact-download@v1
       with:
@@ -101,7 +105,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
       with:
-        fetch-depth: 50
+        fetch-depth: 1
     - name: Download backend image from artifacts
       uses: ishworkh/docker-image-artifact-download@v1
       with:
@@ -129,7 +133,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
       with:
-        fetch-depth: 50
+        fetch-depth: 1
     - name: Download backend image from artifacts
       uses: ishworkh/docker-image-artifact-download@v1
       with:
diff --git a/Makefile b/Makefile
index 89d027ae53c81..991b3b5f9c383 100644
--- a/Makefile
+++ b/Makefile
@@ -495,8 +495,10 @@ clone_deps:
 	for dep in ${DEPS} ; do \
 		echo $$dep; \
 		if [ ! -d ${DEPS_DIR}/$$dep ]; then \
+			echo "Cloning $$dep"; \
 			git clone --filter=blob:none --sparse \
 				https://github.com/openfoodfacts/$$dep.git ${DEPS_DIR}/$$dep; \
+			echo "Cloned $$dep"; \
 		else \
 			cd ${DEPS_DIR}/$$dep && git pull; \
 		fi; \