Fix tests: reset pacman.conf, correct CachyOS mirror URL format

.gitea/workflows/tests.yaml

@@ -12,22 +12,45 @@ jobs:
       - name: Checkout repo
         uses: actions/checkout@v4
 
-      - name: Install prerequisites
+      - name: Reset pacman.conf to stock
         run: |
-          pacman -Syu --noconfirm --needed shellcheck yamllint
+          cat > /etc/pacman.conf << 'STOCKCONF'
+          [options]
+          DisableSandbox
+          HoldPkg     = pacman glibc
+          Architecture = auto
+          CheckSpace
+          ParallelDownloads = 5
+          SigLevel    = Required DatabaseOptional
+          LocalFileSigLevel = Optional
+
+          [core]
+          Include = /etc/pacman.d/mirrorlist
+
+          [extra]
+          Include = /etc/pacman.d/mirrorlist
+          STOCKCONF
+          sed -i 's/^          //' /etc/pacman.conf
+
+          # Remove stale sync databases for custom repos
+          rm -f /var/lib/pacman/sync/cachyos* /var/lib/pacman/sync/chaotic*
+
+      - name: Install prerequisites
+        run: pacman -Syu --noconfirm --needed shellcheck yamllint
 
       - name: Set up CachyOS repo
         run: |
-          # Import CachyOS key
           pacman-key --recv-keys F3B607488DB35A47 --keyserver keyserver.ubuntu.com
           pacman-key --lsign-key F3B607488DB35A47
 
-          # Install keyring and mirrorlist packages
           pacman -U --noconfirm \
             'https://mirror.cachyos.org/repo/x86_64/cachyos/cachyos-keyring-20240331-1-any.pkg.tar.zst' \
             'https://mirror.cachyos.org/repo/x86_64/cachyos/cachyos-mirrorlist-27-1-any.pkg.tar.zst'
 
-          # Add CachyOS repo to pacman.conf
+          # Fix the mirrorlist URL (pacnew has wrong format)
+          printf '%s\n' 'Server = https://mirror.cachyos.org/repo/$arch/$repo' \
+            > /etc/pacman.d/cachyos-mirrorlist
+
           printf '\n[cachyos]\nInclude = /etc/pacman.d/cachyos-mirrorlist\n' \
             >> /etc/pacman.conf
 
@@ -35,11 +58,6 @@ jobs:
 
       - name: Set up chaotic-aur repo
         run: |
-          # Import chaotic-aur key
-          pacman-key --recv-keys 3056513887B78A2F --keyserver keyserver.ubuntu.com
-          pacman-key --lsign-key 3056513887B78A2F
-
-          # Install keyring and mirrorlist packages
           pacman -U --noconfirm \
             'https://cdn-mirror.chaotic.cx/chaotic-aur/chaotic-keyring.pkg.tar.zst' \
             'https://cdn-mirror.chaotic.cx/chaotic-aur/chaotic-mirrorlist.pkg.tar.zst'