From ca950a12634f60398457aedb43e947963c3d4b3e Mon Sep 17 00:00:00 2001
From: Pierre Quinton <pierre.quinton@gmail.com>
Date: Fri, 8 Aug 2025 09:52:53 +0200
Subject: [PATCH 1/4] Add an automatic tagger

---
 .github/workflows/tagger.yml | 53 ++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 .github/workflows/tagger.yml

diff --git a/.github/workflows/tagger.yml b/.github/workflows/tagger.yml
new file mode 100644
index 000000000..08eb37f47
--- /dev/null
+++ b/.github/workflows/tagger.yml
@@ -0,0 +1,53 @@
+name: PR Tagger
+
+on:
+  pull_request:
+    types: [opened, synchronize]
+
+permissions:
+  pull-requests: write
+
+jobs:
+  tag-pr:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Add tags based on changed files
+        uses: actions/github-script@v6
+        with:
+          script: |
+            const tag_map = {
+              'src/torchjd/_autogram/': 'package: autogram',
+              'src/torchjd/_autojac/': 'package: autojac',
+              'src/torchjd/aggregation/': 'package: aggregation',
+              '.github/workflows/': 'CI',
+              'docs/': 'docs',
+              'tests/': 'test'
+            };
+
+            const tags_to_add = new Set();
+
+            const files = await github.rest.pulls.listFiles({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              pull_number: context.issue.number,
+            });
+
+            for (const file of files.data) {
+              for (const package_dir in tag_map) {
+                if (file.filename.startsWith(package_dir)) {
+                  tags_to_add.add(tag_map[package_dir]);
+                }
+              }
+            }
+
+            if (tags_to_add.size > 0) {
+              await github.rest.issues.addLabels({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: context.issue.number,
+                labels: Array.from(tags_to_add)
+              });
+              console.log(`Added tags: ${Array.from(tags_to_add).join(', ')}`);
+            } else {
+              console.log('No relevant files changed, no tags added.');
+            }

From e2338d1f65a67d1aaf61c329722378615170e9d8 Mon Sep 17 00:00:00 2001
From: Pierre Quinton <pierre.quinton@gmail.com>
Date: Fri, 8 Aug 2025 09:58:19 +0200
Subject: [PATCH 2/4] Add a change to the `aggregation` package to check update
 of tags, this is to be reverted

---
 src/torchjd/aggregation/_upgrad.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/torchjd/aggregation/_upgrad.py b/src/torchjd/aggregation/_upgrad.py
index 96a3ccccd..397aa5a8e 100644
--- a/src/torchjd/aggregation/_upgrad.py
+++ b/src/torchjd/aggregation/_upgrad.py
@@ -53,7 +53,7 @@ def __init__(
         self._pref_vector = pref_vector
         self._norm_eps = norm_eps
         self._reg_eps = reg_eps
-        self._solver = solver
+        self._solver = solver + "test"
 
         super().__init__(
             _UPGradWrapper(weighting, norm_eps=norm_eps, reg_eps=reg_eps, solver=solver)

From 7bf4a864cf78043bf9d069d153dfa6858d84e09f Mon Sep 17 00:00:00 2001
From: Pierre Quinton <pierre.quinton@gmail.com>
Date: Fri, 8 Aug 2025 09:59:13 +0200
Subject: [PATCH 3/4] Revert "Add a change to the `aggregation` package to
 check update of tags, this is to be reverted"

This reverts commit e2338d1f65a67d1aaf61c329722378615170e9d8.
---
 src/torchjd/aggregation/_upgrad.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/torchjd/aggregation/_upgrad.py b/src/torchjd/aggregation/_upgrad.py
index 397aa5a8e..96a3ccccd 100644
--- a/src/torchjd/aggregation/_upgrad.py
+++ b/src/torchjd/aggregation/_upgrad.py
@@ -53,7 +53,7 @@ def __init__(
         self._pref_vector = pref_vector
         self._norm_eps = norm_eps
         self._reg_eps = reg_eps
-        self._solver = solver + "test"
+        self._solver = solver
 
         super().__init__(
             _UPGradWrapper(weighting, norm_eps=norm_eps, reg_eps=reg_eps, solver=solver)

From 645db47dfd1c8bc334f649d52304aa0569e83eb6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Val=C3=A9rian=20Rey?=
 <31951177+ValerianRey@users.noreply.github.com>
Date: Thu, 30 Oct 2025 05:46:32 +0100
Subject: [PATCH 4/4] Update .github/workflows/tagger.yml

Co-authored-by: Pierre Quinton <pierre.quinton@epfl.ch>
---
 .github/workflows/tagger.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/tagger.yml b/.github/workflows/tagger.yml
index 08eb37f47..64e068a72 100644
--- a/.github/workflows/tagger.yml
+++ b/.github/workflows/tagger.yml
@@ -19,7 +19,7 @@ jobs:
               'src/torchjd/_autogram/': 'package: autogram',
               'src/torchjd/_autojac/': 'package: autojac',
               'src/torchjd/aggregation/': 'package: aggregation',
-              '.github/workflows/': 'CI',
+              '.github/workflows/': 'ci',
               'docs/': 'docs',
               'tests/': 'test'
             };