prezto/modules/dpkg/functions/deb-history
Indrajit Raychaudhuri 84e0787411 general: Remove redundant usage of cat
In general, the substitution ‘$(cat foo)’ may be replaced by the
equivalent but faster ‘$(<foo)’.

See: https://zsh.sourceforge.io/Doc/Release/Expansion.html#Command-Substitution
2023-05-04 13:58:37 -05:00

40 lines
833 B
Text

#
# Displays dpkg history.
#
# Authors:
# Peter Leung <commandolinux@gmail.com>
# Benjamin Boudreau <boudreau.benjamin@gmail.com>
# Sorin Ionescu <sorin.ionescu@gmail.com>
#
# function deb-history {
case "$1" in
(install)
zgrep --no-filename 'install ' $(ls -rt /var/log/dpkg*)
;;
(upgrade|remove)
zgrep --no-filename "$1" $(ls -rt /var/log/dpkg*)
;;
(rollback)
zgrep --no-filename upgrade $(ls -rt /var/log/dpkg*) \
| grep "$2" -A10000000 \
| grep "$3" -B10000000 \
| awk '{print $4"="$5}'
;;
(list)
zcat $(ls -rt /var/log/dpkg*)
;;
(*)
>&2 <<EOF
Commands:
install - List installed packages
upgrade - List upgraded packages
remove - List removed packages
rollback - List rollback information
list - Display contents of dpkg logs
EOF
;;
esac
# }