Rename variable

Author: ddeville

install/macos/install.sh

@@ -228,7 +228,7 @@ core_brightness_defaults_val='{
 sudo defaults write /var/root/Library/Preferences/com.apple.CoreBrightness.plist "$core_brightness_defaults_key" "$core_brightness_defaults_val"
 
 # Remap Caps Lock as Control (see https://developer.apple.com/library/archive/technotes/tn2450/_index.html)
-modifiermapping_key="$(
+modifiermapping="$(
   hidutil list --ndjson | jq -r '
     select(
       ."Built-In" == true and
@@ -238,7 +238,7 @@ modifiermapping_key="$(
     | "com.apple.keyboard.modifiermapping.\(.VendorID)-\(.ProductID)-0"
   ' | head -n1
 )"
-if [[ -z $modifiermapping_key ]]; then
+if [[ -z $modifiermapping ]]; then
   echo "Unable to find a built-in keyboard for persistent modifier mapping." >&2
 else
   hidutil property --set '{
@@ -247,7 +247,7 @@ else
       "HIDKeyboardModifierMappingDst": 0x7000000E0,
     }]
   }'
-  defaults -currentHost write NSGlobalDomain "$modifiermapping_key" -array '{
+  defaults -currentHost write NSGlobalDomain "$modifiermapping" -array '{
     HIDKeyboardModifierMappingSrc = 30064771129;
     HIDKeyboardModifierMappingDst = 30064771296;
   }'