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Fix sudo completion

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* fix command under sudo get sudo's option completions
* rewrite completion of command under sudo with argparse
This commit is contained in:
Sam Yu 2018-06-14 00:55:00 +08:00 committed by Fabian Homborg
parent 64ff2f7895
commit 76749468aa
1 changed files with 56 additions and 49 deletions
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105
share/completions/sudo.fish
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@ -2,54 +2,61 @@
# Completion for sudo
#
# All these options should be valid for GNU and OSX sudo
complete -c sudo -s A -d "Ask for password via the askpass or \$SSH_ASKPASS program"
complete -c sudo -s C -d "Close all file descriptors greater or equal to the given number" -a "(seq 0 255)"
complete -c sudo -s E -d "Preserve environment"
complete -c sudo -s H -d "Set home"
complete -c sudo -s K -d "Remove the credential timestamp entirely"
complete -c sudo -s P -d "Preserve group vector"
complete -c sudo -s S -d "Read password from stdin"
complete -c sudo -s b -d "Run command in the background"
complete -c sudo -s e -r -d "Edit"
complete -c sudo -s g -a "(__fish_complete_groups)" -x -d "Run command as group"
complete -c sudo -s h -n "__fish_no_arguments" -d "Display help and exit"
complete -c sudo -s i -d "Run a login shell"
complete -c sudo -s k -d "Reset or ignore the credential timestamp"
complete -c sudo -s l -d "List the allowed and forbidden commands for the given user, or the full path to the given command if it is allowed"
complete -c sudo -s n -d "Do not prompt for a password - if one is needed, fail"
complete -c sudo -s p -d "Specify a custom password prompt"
complete -c sudo -s s -d "Run the given command in a shell"
complete -c sudo -s u -a "(__fish_complete_users)" -x -d "Run command as user"
complete -c sudo -s v -n "__fish_no_arguments" -d "Validate the credentials, extending timeout"
# Complete the command we are executed under sudo
complete -c sudo -d "Command to run" -x -a "(__fish_complete_subcommand_root -u -g)"
# Or provide completions
function __fish_complete_sudo_payload
set -l tokens (commandline -co)
# at least sudo and cmd
if test (count $tokens) -ge 2; \
# and second parameter is not a flag
and string match -qr '^[^-]' -- $tokens[2] \
# and 2nd parameter is a valid cmd
and type -q $tokens[2]
echo $tokens[2..-1] | complete -C # complete from 2nd parameter onwards
# or at least sudo, switch, and cmd
else if test (count $tokens) -ge 3; \
# and second parameter takes no arguments
and string match -qr '^-[AEHKPSbiknsv]\b' -- $tokens[2]
# and 3rd parameter is a valid cmd
and type -q $tokens[3]
echo $tokens[3..-1] | complete -C # complete from 3rd parameter onwards
# or sudo, switch, param, and cmd
else if test (count $tokens) -ge 4; \
# and 4th parameter is a valid cmd
and type -q $tokens[4] \
echo $tokens[4..-1] | complete -C # complete from 4th parameter onwards
end
function __fish_sudo_print_remaining_args
set -l tokens (commandline -opc) (commandline -ct)
set -e tokens[1]
# These are all the options mentioned in the man page for Todd Miller's "sudo.ws" sudo (in that order).
# If any other implementation has different options, this should be harmless, since they shouldn't be used anyway.
set -l opts A/askpass b/background C/close-from= E/preserve-env=?
# Note that "-h" is both "--host" (which takes an option) and "--help" (which doesn't).
# But `-h` as `--help` only counts when it's the only argument (`sudo -h`),
# so any argument completion after that should take it as "--host".
set -a opts e/edit g/group= H/set-home h/host= '1-help'
set -a opts i/login K/remove-timestamp k/reset-timestamp l/list n/non-interactive
set -a opts P/preserve-groups p/prompt= S/stdin s/shell U/other-user=
set -a opts u/user= T/command-timeout= V/version v/validate
argparse -s $opts -- $tokens 2>/dev/null
# The remaining argv is the subcommand with all its options, which is what
# we want.
if test -n "$argv"
and not string match -qr '^-' $argv[1]
echo $argv
return 0
else
return 1
end
end
# Provide completions for the command being sudo'd, as if `sudo` weren't in play
complete -c sudo -xa '(__fish_complete_sudo_payload)'
function __fish_sudo_no_subcommand
not __fish_sudo_print_remaining_args >/dev/null
end
function __fish_complete_sudo_subcommand
set -l args (__fish_sudo_print_remaining_args)
complete -C"$args"
end
# All these options should be valid for GNU and OSX sudo
complete -c sudo -n "__fish_no_arguments" -s h -d "Display help and exit"
complete -c sudo -n "__fish_no_arguments" -s V -d "Display version information and exit"
complete -c sudo -n "__fish_sudo_no_subcommand" -s A -d "Ask for password via the askpass or \$SSH_ASKPASS program"
complete -c sudo -n "__fish_sudo_no_subcommand" -s C -d "Close all file descriptors greater or equal to the given number" -a "(seq 0 255)"
complete -c sudo -n "__fish_sudo_no_subcommand" -s E -d "Preserve environment"
complete -c sudo -n "__fish_sudo_no_subcommand" -s H -d "Set home"
complete -c sudo -n "__fish_sudo_no_subcommand" -s K -d "Remove the credential timestamp entirely"
complete -c sudo -n "__fish_sudo_no_subcommand" -s P -d "Preserve group vector"
complete -c sudo -n "__fish_sudo_no_subcommand" -s S -d "Read password from stdin"
complete -c sudo -n "__fish_sudo_no_subcommand" -s b -d "Run command in the background"
complete -c sudo -n "__fish_sudo_no_subcommand" -s e -r -d "Edit"
complete -c sudo -n "__fish_sudo_no_subcommand" -s g -a "(__fish_complete_groups)" -x -d "Run command as group"
complete -c sudo -n "__fish_sudo_no_subcommand" -s i -d "Run a login shell"
complete -c sudo -n "__fish_sudo_no_subcommand" -s k -d "Reset or ignore the credential timestamp"
complete -c sudo -n "__fish_sudo_no_subcommand" -s l -d "List the allowed and forbidden commands for the given user, or the full path to the given command if it is allowed"
complete -c sudo -n "__fish_sudo_no_subcommand" -s n -d "Do not prompt for a password - if one is needed, fail"
complete -c sudo -n "__fish_sudo_no_subcommand" -s p -d "Specify a custom password prompt"
complete -c sudo -n "__fish_sudo_no_subcommand" -s s -d "Run the given command in a shell"
complete -c sudo -n "__fish_sudo_no_subcommand" -s u -a "(__fish_complete_users)" -x -d "Run command as user"
complete -c sudo -n "__fish_sudo_no_subcommand" -s v -n "__fish_no_arguments" -d "Validate the credentials, extending timeout"
# Complete the command we are executed under sudo
complete -c sudo -x -a "(__fish_complete_sudo_subcommand)"