Script to get info on latest installed Gatekeeper, MRT and XProtect updates

check_latest_Xprotect_Gatekeeper_MRT_update.sh

#!/bin/bash

VersionAndInstallDate(){

identify_latest_update=$(printf "%s\n" $(pkgutil --pkgs=".*"$package_type".*") | sort -k1 | tail -1)

version_info=$(pkgutil --pkg-info-plist "$identify_latest_update" | plutil -extract pkg-version xml1 - -o - | xmllint --xpath 'string(//plist/string)' -)

# Read install date and translate it into human-readable output

install_date_info=$(/bin/date -r $(pkgutil --pkg-info-plist "$identify_latest_update" | plutil -extract install-time xml1 - -o - | xmllint --xpath 'string(//plist/integer)' - ) '+%m-%d-%Y')

echo "$package_type version: $version_info"
echo "$package_type installation date: $install_date_info"
echo "$package_type package receipt identifier: $identify_latest_update"
}

package_type="Gatekeeper"
VersionAndInstallDate
echo ""
package_type="MRT"
VersionAndInstallDate
echo ""
package_type="XProtect"
VersionAndInstallDate

Thank you for sharing this. Works great on Mojave, but on High Sierra 10.13.6 17G7204 I got the following error:

`Gatekeeper version: 171.1.1562026697
Gatekeeper installation date: 07-08-2019
Gatekeeper package receipt identifier: com.apple.pkg.GatekeeperConfigData.16U1817

MRT version: 1.42.1.1559870917
MRT installation date: 06-26-2019
MRT package receipt identifier: com.apple.pkg.MRTConfigData.16U4054

No receipt for '' found at '/'.
-:2: parser error : Premature end of data in tag stdin line 1

^
No receipt for '' found at '/'.
-:2: parser error : Premature end of data in tag stdin line 1

^
usage: date [-jnRu] [-d dst] [-r seconds] [-t west] [-v[+|-]val[ymwdHMS]] ...
[-f fmt date | [[[mm]dd]HH]MM[[cc]yy][.ss]] [+format]
XProtect version:
XProtect installation date:
XProtect package receipt identifier: `