From 2aa8258551b497a1e5c2a5c9604a36fa6faf155f Mon Sep 17 00:00:00 2001
From: Florian Arens <60519307+Flo0807@users.noreply.github.com>
Date: Fri, 27 Mar 2026 09:34:06 +0100
Subject: [PATCH 1/4] Add daily CI pipeline for Elixir main branch

Run lint and test jobs against the latest Elixir main branch
once a day to catch compatibility issues early.
---
 .github/workflows/elixir-main.yml | 90 +++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 .github/workflows/elixir-main.yml

diff --git a/.github/workflows/elixir-main.yml b/.github/workflows/elixir-main.yml
new file mode 100644
index 000000000..9cec60e45
--- /dev/null
+++ b/.github/workflows/elixir-main.yml
@@ -0,0 +1,90 @@
+name: Elixir Main
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: "0 6 * * *" # Every day at 06:00 UTC
+
+jobs:
+  test:
+    name: "Test backpex (Elixir main)"
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - uses: erlef/setup-beam@9d5b75ddfda22fb979d2270283237aef8aa68d6b # v1.22.0
+        with:
+          otp-version: "28"
+          elixir-version: "main"
+
+      - name: Setup node
+        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
+        with:
+          node-version: 24
+          cache: "yarn"
+          cache-dependency-path: yarn.lock
+
+      - name: Restore the deps and _build cache
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
+        id: restore-cache
+        env:
+          MIX_LOCK_HASH: ${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
+        with:
+          path: |
+            deps
+            _build
+          key: ${{ runner.os }}-elixir-main-otp-28-build-deps-mixlockhash-${{ env.MIX_LOCK_HASH }}
+          restore-keys: ${{ runner.os }}-elixir-main-otp-28-build-deps-
+
+      - name: Install dependencies
+        if: steps.restore-cache.outputs.cache-hit != 'true'
+        run: mix deps.get
+
+      - name: Compile dependencies
+        if: steps.restore-cache.outputs.cache-hit != 'true'
+        run: mix deps.compile
+
+      - name: Compile with warnings as errors
+        run: mix compile --warnings-as-errors --force
+
+      - name: Cache node modules
+        uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
+        id: yarn-cache
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-node-24-yarn-${{ hashFiles('yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-node-24-yarn-
+
+      - name: Install node dependencies
+        if: steps.yarn-cache.outputs.cache-hit != 'true'
+        run: yarn install --pure-lockfile
+
+      - name: Check formatting
+        run: mix format --check-formatted
+
+      - name: JavaScript Standard
+        run: yarn run lint:standard
+
+      - name: Credo
+        run: mix credo
+
+      - name: Sobelow
+        run: mix sobelow --config
+
+      - name: Deps Unused
+        run: mix deps.unlock --check-unused
+
+      - name: Run tests
+        run: mix test
+
+      - name: Run doc tests
+        run: mix test test/doc_test.exs
+
+      - name: Gettext Check
+        run: mix gettext.extract --check-up-to-date
+
+      - name: Check assets up-to-date
+        run: mix assets.check

From 7963dd89de4c0336a7c0e042d5cc75a2b157b557 Mon Sep 17 00:00:00 2001
From: Florian Arens <60519307+Flo0807@users.noreply.github.com>
Date: Fri, 27 Mar 2026 09:37:29 +0100
Subject: [PATCH 2/4] Change Elixir main CI schedule from daily to weekly

---
 .github/workflows/elixir-main.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/elixir-main.yml b/.github/workflows/elixir-main.yml
index 9cec60e45..509ce8e7c 100644
--- a/.github/workflows/elixir-main.yml
+++ b/.github/workflows/elixir-main.yml
@@ -3,7 +3,7 @@ name: Elixir Main
 on:
   workflow_dispatch:
   schedule:
-    - cron: "0 6 * * *" # Every day at 06:00 UTC
+    - cron: "0 6 * * 1" # Every Monday at 06:00 UTC
 
 jobs:
   test:

From bd5986c5b68d6f37011d8fec22b2dec315faa2af Mon Sep 17 00:00:00 2001
From: Florian Arens <60519307+Flo0807@users.noreply.github.com>
Date: Fri, 27 Mar 2026 09:53:06 +0100
Subject: [PATCH 3/4] Use resolved Elixir and OTP versions in cache keys

Avoid stale cache hits when Elixir main or OTP 28.x
changes between runs.
---
 .github/workflows/elixir-main.yml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/elixir-main.yml b/.github/workflows/elixir-main.yml
index 509ce8e7c..ebba2710f 100644
--- a/.github/workflows/elixir-main.yml
+++ b/.github/workflows/elixir-main.yml
@@ -15,6 +15,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - uses: erlef/setup-beam@9d5b75ddfda22fb979d2270283237aef8aa68d6b # v1.22.0
+        id: beam
         with:
           otp-version: "28"
           elixir-version: "main"
@@ -30,13 +31,15 @@ jobs:
         uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         id: restore-cache
         env:
+          OTP_VERSION: ${{ steps.beam.outputs.otp-version }}
+          ELIXIR_VERSION: ${{ steps.beam.outputs.elixir-version }}
           MIX_LOCK_HASH: ${{ hashFiles(format('{0}{1}', github.workspace, '/mix.lock')) }}
         with:
           path: |
             deps
             _build
-          key: ${{ runner.os }}-elixir-main-otp-28-build-deps-mixlockhash-${{ env.MIX_LOCK_HASH }}
-          restore-keys: ${{ runner.os }}-elixir-main-otp-28-build-deps-
+          key: ${{ runner.os }}-elixir-${{ env.ELIXIR_VERSION }}-otp-${{ env.OTP_VERSION }}-build-deps-mixlockhash-${{ env.MIX_LOCK_HASH }}
+          restore-keys: ${{ runner.os }}-elixir-${{ env.ELIXIR_VERSION }}-otp-${{ env.OTP_VERSION }}-build-deps-
 
       - name: Install dependencies
         if: steps.restore-cache.outputs.cache-hit != 'true'

From 7b9e0c28d876cb40f1ee61ad338def811496f9d1 Mon Sep 17 00:00:00 2001
From: Florian Arens <60519307+Flo0807@users.noreply.github.com>
Date: Fri, 27 Mar 2026 09:54:17 +0100
Subject: [PATCH 4/4] Always run deps.get and deps.compile

Elixir main changes frequently, so always refresh
dependencies to avoid stale build artifacts.
---
 .github/workflows/elixir-main.yml | 2 --
 1 file changed, 2 deletions(-)

diff --git a/.github/workflows/elixir-main.yml b/.github/workflows/elixir-main.yml
index ebba2710f..95f89edbf 100644
--- a/.github/workflows/elixir-main.yml
+++ b/.github/workflows/elixir-main.yml
@@ -42,11 +42,9 @@ jobs:
           restore-keys: ${{ runner.os }}-elixir-${{ env.ELIXIR_VERSION }}-otp-${{ env.OTP_VERSION }}-build-deps-
 
       - name: Install dependencies
-        if: steps.restore-cache.outputs.cache-hit != 'true'
         run: mix deps.get
 
       - name: Compile dependencies
-        if: steps.restore-cache.outputs.cache-hit != 'true'
         run: mix deps.compile
 
       - name: Compile with warnings as errors