pkgatime

File contents

#!/bin/bash

LOCAL_DB=/var/lib/pacman/local

usage() {
cat <<EOF 
usage: pkgatime [packageprefix]

pkgatime will display the most recent access time of a package (by
searching all access times of the files in a package) or all installed
packages (if "package" is ommited) sorted by access time.  

Example Usage 1 -> most recent access times of all packages:
# pkgatime

Example Usage 2 -> most recent access times of apache:
# pkgatime apache

EOF
}

seconds_to_humandate() {
    date -d "01/01/1970 $1 seconds UTC"
}

if [ "$1" = "--help" -o "$1" = "-h" ]; then
    usage
    exit 0
fi

for packagedir in `find $LOCAL_DB -mindepth 1 -maxdepth 1 -type d -name ${1}\*`;do
    package=`basename $packagedir`
    db_file=$packagedir/files
    seconds=`awk '$1 ~ /\/[^\/]+$/ {if (NF==1) print "/"$1}' ${db_file}|xargs stat --format "%X"|sort -n|tail -n 1`
    if ${PIPESTATUS[1]} ;then
	echo $package $seconds `seconds_to_humandate $seconds`
    fi
done|sort -k 2 -n