1 files changed, 31 insertions, 31 deletions

diff --git a/modules/system/nix-update/nix-update.sh b/modules/system/nix-update/nix-update.sh
index e65a33c..79718fd 100644
--- a/modules/system/nix-update/nix-update.sh
+++ b/modules/system/nix-update/nix-update.sh
@@ -8,13 +8,13 @@ warn()  { printf '\033[1;33m==> warning:\033[0m %s\n' "$*" >&2; }
 error() { printf '\033[1;31m==> error:\033[0m %s\n' "$*" >&2; }
 die()   { error "$*"; exit 1; }
 
-HM_DIR="$HOME/.config/home-manager"
-NIXOS_DIR="/etc/nixos"
-ONLY_FLAKE=false
-ONLY_SWITCH=false
-TARGET=""
+HOME_MANAGER_CONFIG_DIR="$HOME/.config/home-manager"
+NIXOS_CONFIG_DIR="/etc/nixos"
+ONLY_UPDATE_FLAKE_INPUTS=false
+ONLY_SWITCH_CONFIGURATION=false
+UPDATE_TARGET=""
 
-usage() {
+print_usage() {
   echo "Usage: $0 <home-manager|nixos|both> [--only-flake|--only-switch]"
   echo ""
   echo "Commands:"
@@ -28,58 +28,58 @@ usage() {
   exit 1
 }
 
-parse_args() {
+parse_command_line_arguments() {
   while [[ $# -gt 0 ]]; do
     case "$1" in
       home-manager | nixos | both)
-        if [[ -n "$TARGET" ]]; then
+        if [[ -n "$UPDATE_TARGET" ]]; then
           error "only one target allowed"
-          usage
+          print_usage
         fi
-        TARGET="$1"
+        UPDATE_TARGET="$1"
         shift
         ;;
       --only-flake)
-        ONLY_FLAKE=true
+        ONLY_UPDATE_FLAKE_INPUTS=true
         shift
         ;;
       --only-switch)
-        ONLY_SWITCH=true
+        ONLY_SWITCH_CONFIGURATION=true
         shift
         ;;
       -h | --help)
-        usage
+        print_usage
         ;;
       *)
         error "unknown option '$1'"
-        usage
+        print_usage
         ;;
     esac
   done
 
-  if [[ -z "$TARGET" ]]; then
+  if [[ -z "$UPDATE_TARGET" ]]; then
     error "no target specified"
-    usage
+    print_usage
   fi
 }
 
-update_home_manager() {
+update_home_manager_configuration() {
   info "Updating home-manager..."
-  cd "$HM_DIR"
+  cd "$HOME_MANAGER_CONFIG_DIR"
 
   info "Staging users/arpit/private.nix..."
   git add users/arpit/private.nix -f
 
   trap 'git rm --cached users/arpit/private.nix >/dev/null 2>&1 || true' EXIT INT TERM HUP
 
-  if [[ "$ONLY_SWITCH" == false ]]; then
+  if [[ "$ONLY_SWITCH_CONFIGURATION" == false ]]; then
     info "Running nix flake update..."
     nix flake update
   fi
 
-  if [[ "$ONLY_FLAKE" == false ]]; then
+  if [[ "$ONLY_UPDATE_FLAKE_INPUTS" == false ]]; then
     info "Running home-manager switch..."
-    home-manager switch --flake "$HM_DIR#arpit"
+    home-manager switch --flake "$HOME_MANAGER_CONFIG_DIR#arpit"
   fi
 
   info "Unstaging users/arpit/private.nix..."
@@ -90,22 +90,22 @@ update_home_manager() {
   info "home-manager update complete"
 }
 
-update_nixos() {
+update_nixos_configuration() {
   info "Updating NixOS..."
   sudo -v
-  cd "$NIXOS_DIR"
+  cd "$NIXOS_CONFIG_DIR"
 
   info "Staging hardware-configuration.nix..."
   git add hardware-configuration.nix -f
 
   trap 'git rm --cached hardware-configuration.nix >/dev/null 2>&1 || true' EXIT INT TERM HUP
 
-  if [[ "$ONLY_SWITCH" == false ]]; then
+  if [[ "$ONLY_SWITCH_CONFIGURATION" == false ]]; then
     info "Running nix flake update..."
     nix flake update
   fi
 
-  if [[ "$ONLY_FLAKE" == false ]]; then
+  if [[ "$ONLY_UPDATE_FLAKE_INPUTS" == false ]]; then
     info "Running nixos-rebuild switch..."
     sudo nixos-rebuild switch
   fi
@@ -118,17 +118,17 @@ update_nixos() {
   info "NixOS update complete"
 }
 
-parse_args "$@"
+parse_command_line_arguments "$@"
 
-case "$TARGET" in
+case "$UPDATE_TARGET" in
   home-manager)
-    update_home_manager
+    update_home_manager_configuration
     ;;
   nixos)
-    update_nixos
+    update_nixos_configuration
     ;;
   both)
-    update_nixos
-    update_home_manager
+    update_nixos_configuration
+    update_home_manager_configuration
     ;;
 esac