mirror of
https://github.com/fish-shell/fish-shell
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357 lines
8.4 KiB
Fish
357 lines
8.4 KiB
Fish
# Main file for fish command completions. This file contains various
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# common helper functions for the command completions. All actual
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# completions are located in the completions subdirectory.
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#
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# Don't need completions in non-interactive mode
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#
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if not status --is-interactive
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exit
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end
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set -g fish_complete_path @SYSCONFDIR@/fish.d/completions ~/.fish.d/completions
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# Knowing the location of the whatis database speeds up command
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# description lookup.
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for i in /var/cache/man/{whatis,windex} /usr{,/local}{,/share}/man/{whatis,windex}
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if test -f $i
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set -g __fish_whatis_path $i
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break
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end
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end
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#
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# Convenience functions
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#
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# The naming heuristic is that __fish_complete_* prints completions
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# and descriptions, while __fish_print_* only prints the completion,
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# without the description
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#
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#
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# Find files that complete $argv[1], has the suffix $argv[2], and
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# output them as completions with description $argv[3]
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#
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function __fish_complete_suffix -d "Complete using files"
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set -- comp $argv[1]
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set -- suff $argv[2]
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set -- desc $argv[3]
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set -- base (echo $comp |sed -e 's/\.[a-zA-Z0-9]*$//')
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eval "set -- files $base*$suff"
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if test $files[1]
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printf "%s\t$desc\n" $files
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end
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#
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# Also do directory completion, since there might be files
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# with the correct suffix in a subdirectory
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#
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__fish_complete_directory $comp
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end
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#
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# Find directories that complete $argv[1], output them as completions
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# with description $argv[2] if defined, otherwise use 'Directory'
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#
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function __fish_complete_directory -d "Complete using directories"
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set -- comp $argv[1]
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set -- desc (_ Directory)
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if test (count $argv) -gt 1
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set desc $argv[2]
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end
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eval "set -- dirs "$comp"*/"
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if test $dirs[1]
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printf "%s\t$desc\n" $dirs
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end
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end
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function __fish_complete_users -d "Print a list of local users, with the real user name as a description"
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cat /etc/passwd | sed -e "s/^\([^:]*\):[^:]*:[^:]*:[^:]*:\([^:]*\):.*/\1\t\2/"
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end
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function __fish_complete_groups -d "Print a list of local groups, with group members as the description"
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cat /etc/group | sed -e "s/^\([^:]*\):[^:]*:[^:]*:\(.*\)/\1\tMembers: \2/"
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end
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function __fish_complete_pids -d "Print a list of process identifiers along with brief descriptions"
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# This may be a bit slower, but it's nice - having the tty displayed is really handy
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ps --no-heading -o pid,comm,tty --ppid %self -N | sed -r 's/ *([0-9]+) +([^ ].*[^ ]|[^ ]) +([^ ]+)$/\1\t\2 [\3]/' ^/dev/null
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# If the above is too slow, this is faster but a little less useful
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# pgrep -l -v -P %self | sed 's/ /\t/'
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end
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function __fish_complete_command -d "Complete using all available commands"
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printf "%s\n" (commandline -ct)(complete -C (commandline -ct))
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end
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function __fish_complete_subcommand -d "Complete subcommand"
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set -l res ""
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set -l had_cmd 0
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set -l cmd (commandline -cop) (commandline -ct)
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set -l skip_next 1
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for i in $cmd
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if test "$skip_next" = 1
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set skip_next 0
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continue
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end
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if test "$had_cmd" = 1
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set res "$res $i"
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else
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if contains -- $i $argv
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set skip_next 1
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continue
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end
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switch $i
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case '-*'
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case '*'
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set had_cmd 1
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set res $i
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end
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end
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end
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printf "%s\n" (commandline -ct)(complete -C $res)
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end
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function __fish_print_hostnames -d "Print a list of known hostnames"
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# Print all hosts from /etc/hosts
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cat /etc/hosts|sed -e 's/[0-9.]*\( \|\t\)*\(.*\)/\2/'|sed -e 's/\#.*//'|sed -e 'y/\t/\n/'|grep -v '^$'
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# Print nfs servers from /etc/fstab
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cat /etc/fstab| grep "^\([0-9]*\.[0-9]*\.[0-9]*\.[0-9]*\|[a-zA-Z.]*\):"|cut -d : -f 1
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# Print hosts with known ssh keys
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cat ~/.ssh/known_hosts{,2} ^/dev/null|cut -d ' ' -f 1| cut -d , -f 1
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end
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function __fish_print_interfaces -d "Print a list of known network interfaces"
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netstat -i -n -a | awk 'NR>2'|awk '{print $1}'
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end
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function __fish_print_addresses -d "Print a list of known network addresses"
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/sbin/ifconfig |grep 'inet addr'|cut -d : -f 2|cut -d ' ' -f 1
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end
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function __fish_print_users -d "Print a list of local users"
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cat /etc/passwd | cut -d : -f 1
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end
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function __fish_contains_opt -d "Checks if a specific option has been given in the current commandline"
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set -l next_short
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set -l short_opt
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set -l long_opt
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for i in $argv
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if test $next_short
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set next_short
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set -- short_opt $short_opt $i
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else
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switch $i
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case -s
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set next_short 1
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case '-*'
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echo __fish_contains_opt: Unknown option $i
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return 1
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case '**'
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set -- long_opt $long_opt $i
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end
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end
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end
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for i in $short_opt
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if test -z $i
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continue
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end
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if commandline -cpo | grep -- "^-"$i"\|^-[^-]*"$i >/dev/null
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return 0
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end
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if commandline -ct | grep -- "^-"$i"\|^-[^-]*"$i >/dev/null
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return 0
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end
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end
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for i in $long_opt
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if test -z $i
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continue
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end
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if contains -- --$i (commandline -cpo)
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return 0
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end
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end
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return 1
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end
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#
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# Completions for the shell and it's builtin commands and functions
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#
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set -l __fish_help_desc (_ "Display help and exit")
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for i in (builtin -n|grep -vE '(while|for|if|function|switch)' )
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complete -c $i -s h -l help -d $__fish_help_desc
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end
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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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if which apt-cache >/dev/null ^/dev/null
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# Apply the following filters to output of apt-cache:
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# 1) Remove package names with parentesis in them, since these seem to not correspond to actual packages as reported by rpm
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# 2) Remove package names that are .so files, since these seem to not correspond to actual packages as reported by rpm
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# 3) Remove path information such as /usr/bin/, as rpm packages do not have paths
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apt-cache --no-generate pkgnames (commandline -tc)|grep -v \( |grep -v '\.so\(\.[0-9]\)*$'|sed -e 's/\/.*\///'|sed -e 's/$/\t'$package'/'
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return
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end
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# Rpm is too slow for this job, so we set it up to do completions
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# as a background job and cache the results.
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if which rpm >/dev/null ^/dev/null
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# If the cache is less than five minutes old, we do not recalculate it
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set cache_file /tmp/.rpm-cache.$USER
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if test -f $cache_file
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cat $cache_file
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set age (echo (date +%s) - (stat -c '%Y' $cache_file) | bc)
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set max_age 250
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if test $age -lt $max_age
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return
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end
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end
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# Remove package version information from output and pipe into cache file
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rpm -qa >$cache_file |sed -e 's/-[^-]*-[^-]*$//' | sed -e 's/$/\t'$package'/' &
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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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if which emerge >/dev/null ^/dev/null
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emerge -s \^(commandline -tc) |grep "^*" |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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function __fish_append -d "Internal completion function for appending string to the commandline"
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set separator $argv[1]
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set -e argv[1]
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set str (commandline -tc| sed -ne "s/\(.*$separator\)[^$separator]*/\1/p"|sed -e "s/--.*=//")
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printf "%s\n" "$str"$argv "$str"(printf "%s\n" $argv|sed -e "s/\(\t\|\$\)/,\1/")
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end
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function __fish_gnu_complete -d "Wrapper for the complete builtin. Skips the long completions on non-GNU systems"
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set is_gnu 0
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# Check if we are using a gnu system
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for i in (seq (count $argv))
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switch $argv[$i]
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case -g --is-gnu
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set -e argv[$i]
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set is_gnu 1
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break
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end
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end
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# Remove long option if not on a gnu system
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if test $is_gnu = 0
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for i in (seq (count $argv))
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if test $argv[$i] = -l
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set -e argv[$i]
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set -e argv[$i]
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break
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end
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end
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end
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complete $argv
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end
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function __fish_is_first_token -d 'Test if no non-switch argument has been specified yet'
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set -- cmd (commandline -poc)
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set -e -- cmd[1]
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for i in $cmd
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switch $i
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case '-*'
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case '*'
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return 1;
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end
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end
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return 0
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end
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function __fish_no_arguments -d "Internal fish function"
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set -l cmd (commandline -poc) (commandline -tc)
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set -e cmd[1]
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for i in $cmd
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switch $i
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case '-*'
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case '*'
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return 1
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end
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end
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return 0
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end
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#
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# Completions for SysV startup scripts
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#
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complete -x -p "/etc/init.d/*" -a start\t(_ 'Start service')
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complete -x -p "/etc/init.d/*" -a stop\t(_ 'Stop service')
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complete -x -p "/etc/init.d/*" -a status\t(_ 'Print service status')
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complete -x -p "/etc/init.d/*" -a restart\t(_ 'Stop and then start service')
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complete -x -p "/etc/init.d/*" -a reload\t(_ 'Reload service configuration')
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