fish-shell/share/functions/__fish_print_packages.fish
Jason Nader 266ce7c940 Improve Arch Linux package completions
Add completions for `downgrade` tool
Add new `--installed` option for printing Arch packages
Change Arch Linux package related completions to use `--installed`

add newline
2020-03-15 13:19:25 +01:00

235 lines
8.3 KiB
Fish

# Use --installed to limit to installed packages only
function __fish_print_packages
argparse --name=__fish_print_packages i/installed -- $argv
or return
set -l only_installed 1
if not set -q _flag_installed
set -e only_installed
end
# apt-cache is much, much faster than rpm, and can do this in real
# time. We use it if available.
switch (commandline -ct)
case '-**'
return
end
if type -q -f apt-cache
if not set -q only_installed
# Do not generate the cache as apparently sometimes this is slow.
# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=547550
# (It is safe to use `sed -r` here as we are guaranteed to be on a GNU platform
# if apt-cache was found. Using unicode reserved range in `fish/tr` and the
# little-endian bytecode equivalent in `sed`. Supports localization.)
apt-cache --no-generate show '.*'(commandline -ct)'.*' 2>/dev/null | sed -r '/^(Package|Description-[a-z]{2}):/!d;s/Package: (.*)/\1\t/g;s/Description-.*: (.*)/\1\xee\x80\x80\x0a/g' | tr -d \n | tr -s \uE000 \n | uniq
return
else
set -l packages (dpkg --get-selections | string replace -fr '(\S+)\s+install' "\$1" | string match -e (commandline -ct))
apt-cache --no-generate show $packages 2>/dev/null | sed -r '/^(Package|Description-[a-z]{2}):/!d;s/Package: (.*)/\1\t/g;s/Description-.*: (.*)/\1\xee\x80\x80\x0a/g' | tr -d \n | tr -s \uE000 \n | uniq
return
end
end
# Pkg is fast on FreeBSD and provides versioning info which we want for
# installed packages
if type -q -f pkg
pkg query "%n-%v"
return
end
# pkg_info on OpenBSD provides versioning info which we want for
# installed packages but, calling it directly can cause delays in
# returning information if another pkg_* tool have a lock.
# Listing /var/db/pkg is a clean alternative.
if type -q -f pkg_add
set -l files /var/db/pkg/*
string replace /var/db/pkg/ '' -- $files
return
end
### BEGIN CACHED RESULTS ###
# Set up cache directory
if test -z "$XDG_CACHE_HOME"
set XDG_CACHE_HOME $HOME/.cache
end
mkdir -m 700 -p $XDG_CACHE_HOME
# Caches for 5 minutes
if type -q -f pacman
if not set -q only_installed
set cache_file $XDG_CACHE_HOME/.pac-cache.$USER
if test -f $cache_file
cat $cache_file
set age (math (date +%s) - (stat -c '%Y' $cache_file))
set max_age 250
if test $age -lt $max_age
return
end
end
# prints: <package name> Package
pacman -Ssq | sed -e 's/$/\t'Package'/' >$cache_file &
return
else
pacman -Q | string replace ' ' \t
return
end
end
# Zypper needs caching as it is slow
if type -q -f zypper
# Use libzypp cache file if available
if test -f /var/cache/zypp/solv/@System/solv.idx
awk '!/application:|srcpackage:|product:|pattern:|patch:/ {print $1'\tPackage'}' /var/cache/zypp/solv/*/solv.idx
return
end
# If the cache is less than five minutes old, we do not recalculate it
set -l cache_file $XDG_CACHE_HOME/.zypper-cache.$USER
if test -f $cache_file
cat $cache_file
set -l age (math (date +%s) - (stat -c '%Y' $cache_file))
set -l max_age 300
if test $age -lt $max_age
return
end
end
# Remove package version information from output and pipe into cache file
zypper --quiet --non-interactive search --type=package | tail -n +4 | sed -r 's/^. \| ((\w|[-_.])+).*/\1\t'Package'/g' >$cache_file &
return
end
# yum is slow, just like rpm, so go to the background
if type -q -f /usr/share/yum-cli/completion-helper.py
# If the cache is less than six hours old, we do not recalculate it
set cache_file $XDG_CACHE_HOME/.yum-cache.$USER
if test -f $cache_file
cat $cache_file
set age (math (date +%s) - (stat -c '%Y' $cache_file))
set max_age 21600
if test $age -lt $max_age
return
end
end
# Remove package version information from output and pipe into cache file
/usr/share/yum-cli/completion-helper.py list all -d 0 -C | sed "s/\..*/\tPackage/" >$cache_file &
return
end
# Rpm is too slow for this job, so we set it up to do completions
# as a background job and cache the results.
if type -q -f rpm
# If the cache is less than five minutes old, we do not recalculate it
set cache_file $XDG_CACHE_HOME/.rpm-cache.$USER
if test -f $cache_file
cat $cache_file
set age (math (date +%s) - (stat -c '%Y' $cache_file))
set max_age 250
if test $age -lt $max_age
return
end
end
# Remove package version information from output and pipe into cache file
rpm -qa | sed -e 's/-[^-]*-[^-]*$/\t'Package'/' >$cache_file &
return
end
# Eopkg is slow in showing list of available packages
if type -q -f eopkg
# If the cache is less than max_age, we do not recalculate it
# Determine whether to print installed/available packages
if set -q only_installed
set cache_file $XDG_CACHE_HOME/.eopkg-installed-cache.$USER
if test -f $cache_file
cat $cache_file
set age (math (date +%s) - (stat -c '%Y' $cache_file))
set max_age 500
if test $age -lt $max_age
return
end
end
# Remove package version information from output and pipe into cache file
eopkg list-installed -N | cut -d ' ' -f 1 >$cache_file &
return
else
set cache_file $XDG_CACHE_HOME/.eopkg-available-cache.$USER
if test -f $cache_file
cat $cache_file
set age (math (date +%s) - (stat -c '%Y' $cache_file))
set max_age 500
if test $age -lt $max_age
return
end
end
# Remove package version information from output and pipe into cache file
eopkg list-available -N | cut -d ' ' -f 1 >$cache_file &
return
end
end
# This completes the package name from the portage tree.
# True for installing new packages. Function for printing
# installed on the system packages is in completions/emerge.fish
# eix is MUCH faster than emerge so use it if it is available
if type -q -f eix
eix --only-names "^"(commandline -ct) | cut -d/ -f2
return
else
# FIXME? Seems to be broken
if type -q -f emerge
emerge -s \^(commandline -ct) | string match -r "^\*.*" | cut -d' ' -f3 | cut -d/ -f2
return
end
end
# port needs caching, as it tends to be slow
# BSD find is used for determining file age because HFS+ and APFS
# don't save unix time, but the actual date. Also BSD stat is vastly
# different from linux stat and converting its time format is tedious
if type -q -f port
set cache_file $XDG_CACHE_HOME/.port-cache.$USER
if test -e $cache_file
# Delete if cache is older than 15 minutes
find "$cache_file" -ctime +15m | awk '{$1=$1;print}' | xargs rm
if test -f $cache_file
cat $cache_file
return
end
end
# Remove trailing whitespace and pipe into cache file
printf "all\ncurrent\nactive\ninactive\ninstalled\nuninstalled\noutdated" >$cache_file
port echo all | awk '{$1=$1};1' >>$cache_file &
cat $cache_file
return
end
if type -q -f opkg
if set -q only_installed
opkg list-installed 2>/dev/null | sed -r 's/^([a-zA-Z0-9\-]+) - ([a-zA-Z0-9\-]+)/\1\t\2/g'
return
else
opkg list 2>/dev/null | sed -r 's/^([a-zA-Z0-9\-]+) - ([a-zA-Z0-9\-]+)/\1\t\2/g'
return
end
end
end