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https://github.com/fish-shell/fish-shell
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3225d7e169
* use $XDG_CACHE_HOME for __fish_print_packages completion caches * when starting fishd, redirect fishd output to /dev/null, not a predictable path Fix for CVE-2014-3219. Closes #1440.
114 lines
2.9 KiB
Fish
114 lines
2.9 KiB
Fish
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function __fish_print_packages
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# apt-cache is much, much faster than rpm, and can do this in real
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# time. We use it if available.
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switch (commandline -tc)
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case '-**'
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return
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end
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#Get the word 'Package' in the current language
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set -l package (_ Package)
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# Set up cache directory
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if test -z "$XDG_CACHE_HOME"
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set XDG_CACHE_HOME $HOME/.cache
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end
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mkdir -m 700 -p $XDG_CACHE_HOME
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if type -f apt-cache >/dev/null
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# Do not generate the cache as apparently sometimes this is slow.
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# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=547550
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apt-cache --no-generate pkgnames (commandline -tc) ^/dev/null | sed -e 's/$/'\t$package'/'
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return
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end
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# Pkg is fast on FreeBSD and provides versioning info which we want for
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# installed packages
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if begin
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type -f pkg > /dev/null
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and test (uname) = "FreeBSD"
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end
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pkg query "%n-%v"
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return
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end
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# Caches for 5 minutes
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if type -f pacman >/dev/null
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set cache_file $XDG_CACHE_HOME/.pac-cache.$USER
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if test -f $cache_file
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cat $cache_file
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set age (math (date +%s) - (stat -c '%Y' $cache_file))
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set max_age 250
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if test $age -lt $max_age
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return
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end
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end
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# prints: <package name> Package
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pacman -Ssq | sed -e 's/$/\t'$package'/' >$cache_file &
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return
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end
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# yum is slow, just like rpm, so go to the background
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if type -f /usr/share/yum-cli/completion-helper.py >/dev/null
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# If the cache is less than six hours old, we do not recalculate it
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set cache_file $XDG_CACHE_HOME/.yum-cache.$USER
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if test -f $cache_file
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cat $cache_file
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set age (math (date +%s) - (stat -c '%Y' $cache_file))
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set max_age 21600
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if test $age -lt $max_age
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return
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end
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end
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# Remove package version information from output and pipe into cache file
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/usr/share/yum-cli/completion-helper.py list all -d 0 -C | sed "s/\..*/\t$package/" >$cache_file &
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return
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end
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# Rpm is too slow for this job, so we set it up to do completions
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# as a background job and cache the results.
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if type -f rpm >/dev/null
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# If the cache is less than five minutes old, we do not recalculate it
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set cache_file $XDG_CACHE_HOME/.rpm-cache.$USER
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if test -f $cache_file
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cat $cache_file
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set age (math (date +%s) - (stat -c '%Y' $cache_file))
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set max_age 250
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if test $age -lt $max_age
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return
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end
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end
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# Remove package version information from output and pipe into cache file
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rpm -qa |sed -e 's/-[^-]*-[^-]*$/\t'$package'/' >$cache_file &
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return
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end
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# This completes the package name from the portage tree.
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# True for installing new packages. Function for printing
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# installed on the system packages is in completions/emerge.fish
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# eix is MUCH faster than emerge so use it if it is available
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if type -f eix > /dev/null
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eix --only-names "^"(commandline -tc) | cut -d/ -f2
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return
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else
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# FIXME? Seems to be broken
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if type -f emerge >/dev/null
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emerge -s \^(commandline -tc) |sgrep "^*" |cut -d\ -f3 |cut -d/ -f2
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return
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end
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end
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end
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