mirror of
https://github.com/fish-shell/fish-shell
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249 lines
6.3 KiB
Fish
249 lines
6.3 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 /etc/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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# 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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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 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_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 -e short_opt
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set -e long_opt
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for i in $argv
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if test $next_short = 1
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set next_short ""
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set -g 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 -g -- long_opt $long_opt $i
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end
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end
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end
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set -l short_opt
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set -l long_opt
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for i in $short_opt
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# echo >&2 Test short option \'$i\'
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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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# echo >&2 Test long option $i
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if contains -- --$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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for i in (builtin -n|grep -vE '(while|for|if|function|switch)' )
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complete -c $i -s h -l help -d "Display help and exit"
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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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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\(\.[0-9]\)*$'|sed -e 's/\/.*\///'|sed -e 's/$/\tPackage/'
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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/-[^-]*-[^-]*$//' | sed -e 's/$/\tPackage/' &
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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 $argv[1]
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set -e argv[1]
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set str (commandline -tc| sed -re 's/(.*'$separator')[^'$separator']*/\1/')
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printf "%s\n" $str$argv $str$argv,
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end
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#Completions for SysV startup scripts
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set -g __fish_service_commands '
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start\t"Start service"
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stop\t"Stop service"
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status\t"Print service status"
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restart\t"Stop and then start service"
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reload\t"Reload service configuration"
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'
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complete -x -p "/etc/init.d/*" -a '$__fish_service_commands'
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