Fix tests: proper CachyOS key import via pacman-key instead of broken URL

.gitea/workflows/tests.yaml

@@ -29,14 +29,19 @@ jobs:
               echo "═══════════════════════════════════════════════════════════════"
               echo "  Setting up CachyOS repo"
               echo "═══════════════════════════════════════════════════════════════"
-              curl -fsSL https://mirror.cachyos.org/cachyos-keyring.pkg.tar.zst \
-                -o /tmp/cachyos-keyring.pkg.tar.zst
-              pacman -U --noconfirm /tmp/cachyos-keyring.pkg.tar.zst || true
+              pacman-key --init
+              pacman-key --populate archlinux
 
+              # Import CachyOS signing key
+              pacman-key --recv-key F3B607488DB35A47 --keyserver keyserver.ubuntu.com
+              pacman-key --lsign-key F3B607488DB35A47
+
+              # Add CachyOS mirrorlist
               printf "%s\n" \
                 "Server = https://mirror.cachyos.org/\$repo/\$arch" \
                 > /etc/pacman.d/cachyos-mirrorlist
 
+              # Add CachyOS repo to pacman.conf
               printf "\n[cachyos]\nSigLevel = Optional TrustAll\nInclude = /etc/pacman.d/cachyos-mirrorlist\n" \
                 >> /etc/pacman.conf
 
@@ -46,7 +51,7 @@ jobs:
               echo "  Setting up chaotic-aur repo"
               echo "═══════════════════════════════════════════════════════════════"
               pacman-key --recv-key FBA220DFC880C036 --keyserver keyserver.ubuntu.com
-              pacman-key --lsign-key FBA220DFC880C036 || true
+              pacman-key --lsign-key FBA220DFC880C036
 
               printf "%s\n" \
                 "Server = https://chaotic.archlinux.org/\$repo/\$arch" \