fish-shell/share/functions/__fish_print_packages.fish

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function __fish_print_packages
# apt-cache is much, much faster than rpm, and can do this in real
# time. We use it if available.
switch (commandline -tc)
case '-**'
return
end
#Get the word 'Package' in the current language
set -l package (_ Package)
if which apt-cache >/dev/null ^/dev/null
# Apply the following filters to output of apt-cache:
# 1) Remove package names with parentesis in them, since these seem to not correspond to actual packages as reported by rpm
# 2) Remove package names that are .so files, since these seem to not correspond to actual packages as reported by rpm
# 3) Remove path information such as /usr/bin/, as rpm packages do not have paths
apt-cache --no-generate pkgnames (commandline -tc)|grep -v \( |grep -v '\.so\(\.[0-9]\)*$'|sed -e 's/\/.*\///'|sed -e 's/$/\t'$package'/'
return
end
# Rpm is too slow for this job, so we set it up to do completions
# as a background job and cache the results.
if which rpm >/dev/null ^/dev/null
# If the cache is less than five minutes old, we do not recalculate it
set cache_file /tmp/.rpm-cache.$USER
if test -f $cache_file
cat $cache_file
set age (echo (date +%s) - (stat -c '%Y' $cache_file) | bc)
set max_age 250
if test $age -lt $max_age
return
end
end
# Remove package version information from output and pipe into cache file
rpm -qa >$cache_file |sed -e 's/-[^-]*-[^-]*$//' | sed -e 's/$/\t'$package'/' &
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
if which emerge >/dev/null ^/dev/null
emerge -s \^(commandline -tc) |grep "^*" |cut -d\ -f3 |cut -d/ -f2
return
end
end