diff --git a/bin/build b/bin/build
index f4486c7..f1ad346 100755
--- a/bin/build
+++ b/bin/build
@@ -7,16 +7,10 @@ set -e
 BUILD_ROOT=$(realpath "${BASH_SOURCE[0]%/*}/..")
 source "$BUILD_ROOT/helpers/message-helpers.sh"
 source "$BUILD_ROOT/helpers/docker-helpers.sh"
-
-ARCH=${ARCH:-x86_64}
-
-BUILD_OUTPUT_DIR="$BUILD_ROOT/build-output/$ARCH"
-FINAL_OUTPUT_DIR="$BUILD_ROOT/pkgs.omarchy.org/$ARCH"
-SRC_DIR="$BUILD_ROOT/src"
-BUILD_DIR="$BUILD_ROOT/build"
+source "$BUILD_ROOT/helpers/paths.sh"
 
 # Create directories if they don't exist
-mkdir -p "$BUILD_OUTPUT_DIR" "$FINAL_OUTPUT_DIR" "$SRC_DIR"
+mkdir -p "$BUILD_OUTPUT_DIR" "$REPO_DIR" "$SRC_DIR"
 
 print_header "Omarchy AUR Package Builder"
 
@@ -28,6 +22,7 @@ while [[ $# -gt 0 ]]; do
   case $1 in
   --arch)
     ARCH="$2"
+    update_arch_paths
     shift 2
     ;;
   --package)
@@ -67,7 +62,7 @@ done
 # Show target architecture after parsing args
 print_info "Target architecture: $ARCH"
 print_info "Build workspace: $BUILD_OUTPUT_DIR"
-print_info "Final output: $FINAL_OUTPUT_DIR"
+print_info "Final output: $REPO_DIR"
 
 # Clean build-output directory to start fresh
 print_info "Cleaning build workspace..."
@@ -91,7 +86,7 @@ print_info "Running AUR package build..."
 
 # Ensure output directories are writable by container user
 make_dir_writable "$BUILD_OUTPUT_DIR"
-make_dir_writable "$FINAL_OUTPUT_DIR"
+make_dir_writable "$REPO_DIR"
 
 # Build Docker arguments
 DOCKER_ARGS=(
diff --git a/bin/clean-repo b/bin/clean-repo
index 5d512d9..2d5e93f 100755
--- a/bin/clean-repo
+++ b/bin/clean-repo
@@ -7,10 +7,9 @@ set -e
 # Source common functions
 BUILD_ROOT=$(realpath "${BASH_SOURCE[0]%/*}/..")
 source "$BUILD_ROOT/helpers/message-helpers.sh"
+source "$BUILD_ROOT/helpers/paths.sh"
 
 # Repository configuration
-ARCH=${ARCH:-x86_64}
-ARCH_DIR="$BUILD_ROOT/pkgs.omarchy.org/$ARCH"
 KEEP_VERSIONS=2
 
 # Function to clean old packages
@@ -20,7 +19,7 @@ clean_packages() {
 
   print_info "Cleaning old packages (keeping $keep versions)..."
 
-  cd "$ARCH_DIR"
+  cd "$REPO_DIR"
 
   # Group packages by name
   declare -A packages
@@ -105,7 +104,7 @@ remove_all_packages() {
     fi
   fi
 
-  cd "$ARCH_DIR"
+  cd "$REPO_DIR"
 
   local count=$(ls -1 *.pkg.tar.* 2>/dev/null | wc -l)
 
@@ -130,7 +129,7 @@ remove_all_packages() {
 show_disk_usage() {
   print_info "Repository Disk Usage:"
 
-  cd "$ARCH_DIR"
+  cd "$REPO_DIR"
 
   local total_size=$(du -sh . 2>/dev/null | cut -f1)
   local package_count=$(ls -1 *.pkg.tar.* 2>/dev/null | grep -v '\.sig$' | wc -l)
diff --git a/bin/list-packages b/bin/list-packages
index ba99783..d5fe61b 100755
--- a/bin/list-packages
+++ b/bin/list-packages
@@ -4,9 +4,9 @@
 SCRIPT_DIR=$(realpath "${BASH_SOURCE[0]%/*}")
 BUILD_ROOT=$(realpath "$SCRIPT_DIR/..")
 
-ARCH=${ARCH:-x86_64}
-ARCH_DIR="$BUILD_ROOT/pkgs.omarchy.org/$ARCH"
-DB_FILE="$ARCH_DIR/omarchy.db.tar.zst"
+source "$BUILD_ROOT/helpers/paths.sh"
+
+DB_FILE="$REPO_DIR/omarchy.db.tar.zst"
 
 if [[ ! -f "$DB_FILE" ]]; then
   echo "Repository database not found"
diff --git a/bin/promote-build b/bin/promote-build
index 94f3ba6..209589e 100755
--- a/bin/promote-build
+++ b/bin/promote-build
@@ -5,10 +5,7 @@ set -e
 
 BUILD_ROOT=$(realpath "${BASH_SOURCE[0]%/*}/..")
 source "$BUILD_ROOT/helpers/message-helpers.sh"
-
-ARCH=${ARCH:-x86_64}
-BUILD_OUTPUT_DIR="$BUILD_ROOT/build-output/$ARCH"
-FINAL_OUTPUT_DIR="$BUILD_ROOT/pkgs.omarchy.org/$ARCH"
+source "$BUILD_ROOT/helpers/paths.sh"
 
 print_header "Promote Build to Production"
 
@@ -18,6 +15,7 @@ while [[ $# -gt 0 ]]; do
   case $1 in
   --arch)
     ARCH="$2"
+    update_arch_paths
     shift 2
     ;;
   --dry-run)
@@ -43,7 +41,7 @@ while [[ $# -gt 0 ]]; do
 done
 
 print_info "Build output: $BUILD_OUTPUT_DIR"
-print_info "Final output: $FINAL_OUTPUT_DIR"
+print_info "Final output: $REPO_DIR"
 
 # Check if build output exists
 if [[ ! -d "$BUILD_OUTPUT_DIR" ]]; then
@@ -72,7 +70,7 @@ if [[ "$DRY_RUN" == true ]]; then
   done
 else
   echo ""
-  mkdir -p "$FINAL_OUTPUT_DIR"
+  mkdir -p "$REPO_DIR"
   
   # Copy all package files (excluding build database)
   COPIED=0
@@ -81,7 +79,7 @@ else
     [[ "$pkg_file" == omarchy-build.db* ]] && continue
     
     if [[ -f "$pkg_file" ]]; then
-      cp -v "$pkg_file" "$FINAL_OUTPUT_DIR/"
+      cp -v "$pkg_file" "$REPO_DIR/"
       COPIED=$((COPIED + 1))
     fi
   done
diff --git a/bin/release b/bin/release
index c7b3b42..41e0d2b 100755
--- a/bin/release
+++ b/bin/release
@@ -5,8 +5,8 @@ set -e
 
 BUILD_ROOT=$(realpath "${BASH_SOURCE[0]%/*}/..")
 source "$BUILD_ROOT/helpers/message-helpers.sh"
+source "$BUILD_ROOT/helpers/paths.sh"
 
-ARCH=${ARCH:-x86_64}
 SYNC_REMOTE=""
 SKIP_PROD_CHECK=false
 
diff --git a/bin/remove-package b/bin/remove-package
index 12252cc..4af5906 100755
--- a/bin/remove-package
+++ b/bin/remove-package
@@ -4,10 +4,7 @@ set -e
 BUILD_ROOT=$(realpath "${BASH_SOURCE[0]%/*}/..")
 source "$BUILD_ROOT/helpers/message-helpers.sh"
 source "$BUILD_ROOT/helpers/docker-helpers.sh"
-
-ARCH=${ARCH:-x86_64}
-REPO_DIR="$BUILD_ROOT/pkgs.omarchy.org/$ARCH"
-BUILD_DIR="$BUILD_ROOT/build"
+source "$BUILD_ROOT/helpers/paths.sh"
 
 print_header "Remove Package"
 
diff --git a/bin/repo b/bin/repo
index 764479f..405a452 100755
--- a/bin/repo
+++ b/bin/repo
@@ -10,9 +10,9 @@ BUILD_ROOT=$(realpath "$SCRIPT_DIR/..")
 
 # Source common functions
 source "$BUILD_ROOT/helpers/message-helpers.sh"
+source "$BUILD_ROOT/helpers/paths.sh"
 
 # Setup logging with timestamps
-LOG_DIR="$BUILD_ROOT/logs"
 mkdir -p "$LOG_DIR"
 
 # Rotate logs first - keep only the 10 most recent
diff --git a/bin/sign b/bin/sign
index 393ad1a..a4c4d2a 100755
--- a/bin/sign
+++ b/bin/sign
@@ -6,10 +6,7 @@ set -e
 BUILD_ROOT=$(realpath "${BASH_SOURCE[0]%/*}/..")
 source "$BUILD_ROOT/helpers/message-helpers.sh"
 source "$BUILD_ROOT/helpers/docker-helpers.sh"
-
-ARCH=${ARCH:-x86_64}
-BUILD_OUTPUT_DIR="$BUILD_ROOT/build-output/$ARCH"
-BUILD_DIR="$BUILD_ROOT/build"
+source "$BUILD_ROOT/helpers/paths.sh"
 
 print_header "Sign Packages"
 
@@ -18,6 +15,7 @@ while [[ $# -gt 0 ]]; do
   case $1 in
   --arch)
     ARCH="$2"
+    update_arch_paths
     shift 2
     ;;
   -h | --help)
diff --git a/bin/sync-aur b/bin/sync-aur
index a972376..4c03da8 100755
--- a/bin/sync-aur
+++ b/bin/sync-aur
@@ -2,8 +2,8 @@
 
 BUILD_ROOT=$(realpath "${BASH_SOURCE[0]%/*}/..")
 source "$BUILD_ROOT/helpers/message-helpers.sh"
+source "$BUILD_ROOT/helpers/paths.sh"
 
-PKGBUILDS_DIR="$BUILD_ROOT/pkgbuilds"
 PACKAGES_FILE="$BUILD_ROOT/build/packages/omarchy-aur.packages"
 TEMP_DIR=$(mktemp -d)
 
diff --git a/bin/update-repo b/bin/update-repo
index a07427b..7725d92 100755
--- a/bin/update-repo
+++ b/bin/update-repo
@@ -8,10 +8,7 @@ set -e
 BUILD_ROOT=$(realpath "${BASH_SOURCE[0]%/*}/..")
 source "$BUILD_ROOT/helpers/message-helpers.sh"
 source "$BUILD_ROOT/helpers/docker-helpers.sh"
-
-ARCH=${ARCH:-x86_64}
-BUILD_DIR="$BUILD_ROOT/build"
-ARCH_DIR="$BUILD_ROOT/pkgs.omarchy.org/$ARCH"
+source "$BUILD_ROOT/helpers/paths.sh"
 
 # Function to update repository database using Docker
 update_database() {
@@ -21,14 +18,14 @@ update_database() {
   check_docker
 
   # Ensure output directory exists
-  if [[ ! -d "$ARCH_DIR" ]]; then
-    print_error "Output directory not found: $ARCH_DIR"
+  if [[ ! -d "$REPO_DIR" ]]; then
+    print_error "Output directory not found: $REPO_DIR"
     print_warning "Run bin/repo build first"
     exit 1
   fi
 
   # Make output directory writable for container
-  make_dir_writable "$ARCH_DIR"
+  make_dir_writable "$REPO_DIR"
 
   # Build Docker image
   build_docker_image "$BUILD_DIR"
@@ -50,6 +47,7 @@ main() {
     case $1 in
     --arch)
       ARCH="$2"
+      update_arch_paths
       shift 2
       ;;
     -h | --help)
@@ -68,7 +66,7 @@ main() {
   done
 
   print_info "Target architecture: $ARCH"
-  print_info "Output directory: $ARCH_DIR"
+  print_info "Output directory: $REPO_DIR"
 
   update_database
 
diff --git a/helpers/docker-helpers.sh b/helpers/docker-helpers.sh
index 2cb160a..2562d10 100644
--- a/helpers/docker-helpers.sh
+++ b/helpers/docker-helpers.sh
@@ -1,4 +1,3 @@
-#!/bin/bash
 # Docker helper functions for Omarchy package build system
 
 # Check Docker is available and running
diff --git a/helpers/message-helpers.sh b/helpers/message-helpers.sh
index 69679b0..0078c51 100644
--- a/helpers/message-helpers.sh
+++ b/helpers/message-helpers.sh
@@ -1,4 +1,3 @@
-#!/bin/bash
 # Common printing functions for Omarchy scripts
 
 # Colors
diff --git a/helpers/paths.sh b/helpers/paths.sh
new file mode 100644
index 0000000..db1d154
--- /dev/null
+++ b/helpers/paths.sh
@@ -0,0 +1,21 @@
+# Common path variables for Omarchy package build system
+# This file should be sourced after setting BUILD_ROOT
+
+# Default architecture
+ARCH=${ARCH:-x86_64}
+
+# Core directories (architecture-independent)
+BUILD_DIR="$BUILD_ROOT/build"
+SRC_DIR="$BUILD_ROOT/src"
+LOG_DIR="$BUILD_ROOT/logs"
+PKGBUILDS_DIR="$BUILD_ROOT/pkgbuilds"
+
+# Function to update architecture-specific paths
+# Call this after changing ARCH variable
+update_arch_paths() {
+  BUILD_OUTPUT_DIR="$BUILD_ROOT/build-output/$ARCH"        # Unsigned packages
+  REPO_DIR="$BUILD_ROOT/pkgs.omarchy.org/$ARCH"            # Repository (signed packages)
+}
+
+# Initialize architecture-specific directories with default ARCH
+update_arch_paths