Improved the limited SYSTEM_INFO parser

.config/zsh/01-introspection.zsh

@@ -59,39 +59,21 @@ refresh-system-info() {
 		INTRO_STATE[hostname]=full
 	else
 		# Parse machine info if available
-		if [ -f /etc/machine-info ]; then
+		if [[ ${INTRO_STATE[MACHINE_INFO]} == present ]]; then
 			# Populate SYSTEM_INFO array as best as possible (this will be missing a _lot_ of fields that hostnamed calculates)
-			while read line; do
-				case $line in
-				PRETTY_HOSTNAME=*)
-					eval "${line/PRETTY_HOSTNAME/SYSTEM_INFO[PrettyHostname]}"
+			local shared_keys=(PrettyHostname IconName Chassis Deployment Location HardwareVendor HardwareModel HardwareVersion)
+			for key val in "${(@kv)MACHINE_INFO}"; do
+				case $key in
+				HardwareSku)
+					SYSTEM_INFO[HardwareSKU]=${MACHINE_INFO[HardwareSku]}
 					;;
-				ICON_NAME=*)
-					eval "${line/ICON_NAME/SYSTEM_INFO[IconName]}"
-					;;
-				CHASSIS=*)
-					eval "${line/CHASSIS/SYSTEM_INFO[Chassis]}"
-					;;
-				DEPLOYMENT=*)
-					eval "${line/DEPLOYMENT/SYSTEM_INFO[Deployment]}"
-					;;
-				LOCATION=*)
-					eval "${line/LOCATION/SYSTEM_INFO[Location]}"
-					;;
-				HARDWARE_VENDOR=*)
-					eval "${line/HARDWARE_VENDOR/SYSTEM_INFO[HardwareVendor]}"
-					;;
-				HARDWARE_MODEL=*)
-					eval "${line/HARDWARE_MODEL/SYSTEM_INFO[HardwareModel]}"
-					;;
-				HARDWARE_SKU=*)
-					eval "${line/HARDWARE_SKU/SYSTEM_INFO[HardwareSKU]}"
-					;;
-				HARDWARE_VERSION=*)
-					eval "${line/HARDWARE_VERSION/SYSTEM_INFO{HardwareVersion]}"
+				*)
+					if [[ ${${key:*shared_keys}:+x} == 'x' ]]; then
+						SYSTEM_INFO[$key]=${MACHINE_INFO[$key]}
+					fi
 					;;
 				esac
-			done </etc/machine-info
+			done
 			INTRO_STATE[SYSTEM_INFO]=limited
 		fi
 		# Read current (transient) hostname