Refactor CI workflow to build and push NixOS schemes, replacing parallel builds with sequential processing for better cache management. Introduce a new script for pushing builds to Attic cache and remove the obsolete build-all-schemes script.

.github/workflows/build-schemes.yml

@@ -35,38 +35,55 @@ jobs:
         echo "schemes=$SCHEMES" >> $GITHUB_OUTPUT
         echo "Available schemes: $SCHEMES"
     
-    - name: Build all schemes
-      run: |
-        for scheme in ${{ steps.schemes.outputs.schemes }}; do
-          echo "Building scheme: $scheme"
-          nix build .#nixosConfigurations.${HOSTNAME}.config.system.build.toplevel \
-            --override-input stylix-scheme $scheme \
-            --out-link ./result-$scheme &
-        done
-        wait
-        echo "All schemes built successfully!"
-    
     - name: Configure Attic cache
       run: |
         # Configure attic client to use your cache server
         attic login servidos https://cache.servidos.lat ${{ secrets.ATTIC_TOKEN }}
     
-    - name: Push schemes to cache
+    - name: Build and push all schemes
       run: |
-        echo "Pushing all scheme builds to cache..."
+        echo "Building and pushing all schemes..."
-        # Push all built derivations to cache
-        if ls result* 1> /dev/null 2>&1; then
-          attic push servidos:nixos result*
-        fi
         
-        # Push each scheme build individually for better cache granularity
+        # Store original scheme
+        ORIGINAL_SCHEME=$(grep -oP "scheme = schemesFile\.schemes\.\K\w+" config/stylix.nix)
+        echo "Original scheme: $ORIGINAL_SCHEME"
+        
+        # Build and push each scheme
         for scheme in ${{ steps.schemes.outputs.schemes }}; do
-          echo "Pushing scheme $scheme to cache..."
+          echo "========================================="
+          echo "Processing scheme: $scheme"
+          echo "========================================="
+          
+          # Update stylix.nix to use this scheme
+          sed -i "s/scheme = schemesFile\.schemes\.\w\+;/scheme = schemesFile.schemes.$scheme;/" config/stylix.nix
+          
+          # Verify the change
+          grep "scheme = schemesFile.schemes" config/stylix.nix
+          
+          # Build the configuration
+          echo "Building $scheme..."
+          nix build .#nixosConfigurations.${HOSTNAME}.config.system.build.toplevel \
+            --out-link ./result-$scheme
+          
+          # Push to cache
+          echo "Pushing $scheme to cache..."
+          attic push servidos:nixos ./result-$scheme
+          
+          # Also push using print-out-paths for better cache coverage
           nix build .#nixosConfigurations.${HOSTNAME}.config.system.build.toplevel \
-            --override-input stylix-scheme $scheme \
             --print-out-paths | attic push servidos:nixos --stdin
+          
+          echo "✓ Completed $scheme"
+          echo ""
         done
-        echo "All schemes pushed to cache successfully!"
+        
+        # Restore original scheme
+        echo "Restoring original scheme: $ORIGINAL_SCHEME"
+        sed -i "s/scheme = schemesFile\.schemes\.\w\+;/scheme = schemesFile.schemes.$ORIGINAL_SCHEME;/" config/stylix.nix
+        
+        echo "========================================="
+        echo "All schemes built and pushed successfully!"
+        echo "========================================="
     
     - name: Upload build artifacts
       uses: actions/upload-artifact@v4
@@ -77,7 +94,10 @@ jobs:
     
     - name: Summary
       run: |
+        SCHEME_COUNT=$(echo "${{ steps.schemes.outputs.schemes }}" | wc -w)
         echo "✅ Color scheme builds completed successfully!"
-        echo "- Built all ${{ steps.schemes.outputs.schemes }} schemes"
+        echo "- Built $SCHEME_COUNT schemes: ${{ steps.schemes.outputs.schemes }}"
         echo "- Pushed all builds to Atticd cache"
         echo "- Uploaded artifacts for backup"
+        echo ""
+        echo "You can now switch schemes quickly without waiting for builds!"

scripts/build-all-schemes.nix

@@ -1,34 +0,0 @@
-{
-  pkgs,
-  inputs,
-  hostname ? "server",
-}:
-let
-  utils = import ./scheme-utils.nix { inherit pkgs inputs; };
-  schemes = utils.availableSchemes;
-  mkBuildScript =
-    scheme:
-    pkgs.writeShellScript "build-${scheme}" ''
-      echo "Building NixOS configuration with scheme: ${scheme}"
-      nix build .#nixosConfigurations.${hostname}.config.system.build.toplevel \
-        --override-input stylix-scheme ${scheme} \
-        --out-link ./result-${scheme}
-      echo "Build completed for scheme: ${scheme}"
-    '';
-  buildAllScript = pkgs.writeShellScript "build-all-schemes" ''
-    echo "Building all ${toString (builtins.length schemes)} schemes in parallel..."
-    echo "Schemes: ${builtins.concatStringsSep " " schemes}"
-    ${builtins.concatStringsSep "\n" (map (scheme: "${mkBuildScript scheme} &") schemes)}
-    wait
-    echo "All schemes built successfully!"
-    echo "Results available in ./result-* directories"
-  '';
-
-in
-{
-  inherit schemes buildAllScript;
-  buildScripts = builtins.listToAttrs (
-    map (scheme: pkgs.lib.nameValuePair "build-${scheme}" (mkBuildScript scheme)) schemes
-  );
-  inherit (utils) lightSchemes darkSchemes availableColors;
-}

scripts/push-to-cache.sh

@@ -0,0 +1,125 @@
+#!/usr/bin/env bash
+# Script to push NixOS builds to Atticd cache
+
+set -euo pipefail
+
+# Colors for output
+GREEN='\033[0;32m'
+BLUE='\033[0;34m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# Configuration
+CACHE_NAME="servidos:nixos"
+CACHE_URL="https://cache.servidos.lat"
+
+echo -e "${BLUE}=========================================${NC}"
+echo -e "${BLUE}NixOS Build Cache Pusher${NC}"
+echo -e "${BLUE}=========================================${NC}"
+echo ""
+
+# Check if attic is available
+if ! command -v attic &> /dev/null; then
+    echo -e "${YELLOW}Error: attic is not installed or not in PATH${NC}"
+    exit 1
+fi
+
+# Check if ATTIC_TOKEN is set
+if [ -z "${ATTIC_TOKEN:-}" ]; then
+    echo -e "${YELLOW}Warning: ATTIC_TOKEN environment variable is not set${NC}"
+    echo "Please set it with: export ATTIC_TOKEN=your_token_here"
+    exit 1
+fi
+
+# Login to cache
+echo -e "${GREEN}→ Logging into cache...${NC}"
+attic login servidos "$CACHE_URL" "$ATTIC_TOKEN"
+
+# Determine what to push
+if [ $# -eq 0 ]; then
+    # No arguments - push all result* symlinks
+    if ls result* 1> /dev/null 2>&1; then
+        echo -e "${GREEN}→ Found result symlinks, pushing to cache...${NC}"
+        attic push "$CACHE_NAME" result*
+        echo -e "${GREEN}✓ Successfully pushed all results to cache!${NC}"
+    else
+        echo -e "${YELLOW}No result symlinks found. Build something first!${NC}"
+        echo ""
+        echo "Usage examples:"
+        echo "  1. Push all results:    $0"
+        echo "  2. Push specific path:  $0 /nix/store/xxxxx-nixos-system-xxx"
+        echo "  3. Push current config: $0 --current [hostname]"
+        exit 1
+    fi
+elif [ "$1" = "--current" ]; then
+    # Push current system configuration
+    HOSTNAME="${2:-$(hostname)}"
+    echo -e "${GREEN}→ Building current configuration for $HOSTNAME...${NC}"
+    nix build ".#nixosConfigurations.$HOSTNAME.config.system.build.toplevel" --print-out-paths | \
+        attic push "$CACHE_NAME" --stdin
+    echo -e "${GREEN}✓ Successfully pushed $HOSTNAME configuration to cache!${NC}"
+elif [ "$1" = "--all-schemes" ]; then
+    # Build and push all schemes
+    HOSTNAME="${2:-server}"
+    
+    # Get current directory
+    SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+    PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
+    
+    cd "$PROJECT_ROOT"
+    
+    # Get available schemes
+    SCHEMES=$(nix eval --raw --impure --expr '
+      let
+        pkgs = import <nixpkgs> {};
+        inputs = {};
+        utils = import ./scripts/scheme-utils.nix { inherit pkgs inputs; };
+      in
+      builtins.concatStringsSep " " utils.availableSchemes
+    ')
+    
+    echo -e "${GREEN}→ Building and pushing all schemes for $HOSTNAME...${NC}"
+    echo -e "Schemes: $SCHEMES"
+    echo ""
+    
+    # Store original scheme
+    ORIGINAL_SCHEME=$(grep -oP "scheme = schemesFile\.schemes\.\K\w+" config/stylix.nix)
+    echo -e "Original scheme: $ORIGINAL_SCHEME"
+    echo ""
+    
+    # Build and push each scheme
+    for scheme in $SCHEMES; do
+        echo -e "${BLUE}→ Processing $scheme...${NC}"
+        
+        # Update stylix.nix
+        sed -i "s/scheme = schemesFile\.schemes\.\w\+;/scheme = schemesFile.schemes.$scheme;/" config/stylix.nix
+        
+        # Build and push
+        nix build ".#nixosConfigurations.$HOSTNAME.config.system.build.toplevel" \
+            --out-link "./result-$scheme"
+        attic push "$CACHE_NAME" "./result-$scheme"
+        
+        echo -e "${GREEN}✓ Completed $scheme${NC}"
+        echo ""
+    done
+    
+    # Restore original scheme
+    echo -e "${BLUE}→ Restoring original scheme: $ORIGINAL_SCHEME${NC}"
+    sed -i "s/scheme = schemesFile\.schemes\.\w\+;/scheme = schemesFile.schemes.$ORIGINAL_SCHEME;/" config/stylix.nix
+    
+    echo -e "${GREEN}✓ All schemes pushed successfully!${NC}"
+else
+    # Push specific store path(s)
+    echo -e "${GREEN}→ Pushing specified path(s) to cache...${NC}"
+    for path in "$@"; do
+        echo "  - $path"
+        echo "$path" | attic push "$CACHE_NAME" --stdin
+    done
+    echo -e "${GREEN}✓ Successfully pushed to cache!${NC}"
+fi
+
+echo ""
+echo -e "${BLUE}=========================================${NC}"
+echo -e "${GREEN}Cache push completed!${NC}"
+echo -e "${BLUE}=========================================${NC}"
+