Fix conflicting yq packages, add conflict check, rename workflow

- Remove yq from packages.x86_64 (conflicts with go-yq)
- Add conflicting packages check step to tests workflow
- Rename 'Scheduled ArchISO Build' to 'Automated Arch ISO Build'
- Add --needed to all pacman install commands to suppress reinstalls

.gitea/workflows/build-iso.yaml

@@ -1,4 +1,4 @@
-name: Scheduled ArchISO Build
+name: Automated Arch ISO Build
 
 on:
   schedule:
@@ -23,7 +23,7 @@ jobs:
 
       - name: Install archiso and dependencies
         run: |
-          pacman -Syu --noconfirm archiso jq
+          pacman -Syu --noconfirm --needed archiso jq
 
       - name: Build Arch ISO
         run: |

.gitea/workflows/tests.yaml

@@ -54,7 +54,7 @@ jobs:
           printf '\n[cachyos]\nInclude = /etc/pacman.d/cachyos-mirrorlist\n' \
             >> /etc/pacman.conf
 
-          pacman -Syu --noconfirm
+          pacman -Syu --noconfirm --needed
 
       - name: Set up chaotic-aur repo
         run: |
@@ -65,7 +65,7 @@ jobs:
           printf '\n[chaotic-aur]\nInclude = /etc/pacman.d/chaotic-mirrorlist\n' \
             >> /etc/pacman.conf
 
-          pacman -Syu --noconfirm
+          pacman -Syu --noconfirm --needed
 
       - name: Lint shell scripts with ShellCheck
         run: |
@@ -260,3 +260,30 @@ jobs:
             echo ""
             echo "✅ All packages verified successfully!"
           fi
+
+      - name: Check for conflicting packages
+        run: |
+          echo "═══════════════════════════════════════════════════════════════"
+          echo "  Checking for conflicting packages in packages.x86_64"
+          echo "═══════════════════════════════════════════════════════════════"
+
+          # Collect all package names from the list
+          PKGS=()
+          while IFS= read -r pkg; do
+            [[ -z "$pkg" || "$pkg" =~ ^# ]] && continue
+            PKGS+=("$pkg")
+          done < packages.x86_64
+
+          # Use pacman -Sp --print to resolve the full install set and check for conflicts
+          # This catches "X and Y are in conflict" errors before the ISO build
+          PKG_LIST=$(printf '%s\n' "${PKGS[@]}")
+          if CONFLICTS=$(echo "$PKG_LIST" | pacman -Sp --needed - 2>&1); then
+            echo "✅ No package conflicts detected"
+          else
+            echo "$CONFLICTS" | grep -i "conflict" || true
+            echo ""
+            echo "═══════════════════════════════════════════════════════════════"
+            echo "  ❌ Conflicting packages found — fix packages.x86_64"
+            echo "═══════════════════════════════════════════════════════════════"
+            exit 1
+          fi