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# -*- shell-script -*-
#
# bash_completion - programmable completion functions for bash 4.1+
#
# Copyright © 2006-2008, Ian Macdonald <ian@caliban.org>
# © 2009-2013, Bash Completion Maintainers
# <bash-completion-devel@lists.alioth.debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# The latest version of this software can be obtained here:
#
# http://bash-completion.alioth.debian.org/
#
# RELEASE: 2.1
if [[ $- == *v* ]]; then
BASH_COMPLETION_ORIGINAL_V_VALUE="-v"
else
BASH_COMPLETION_ORIGINAL_V_VALUE="+v"
fi
if [[ ${BASH_COMPLETION_DEBUG-} ]]; then
set -v
else
set +v
fi
# Set the following to the location of the backwards compat completion dir.
#
: ${BASH_COMPLETION_COMPAT_DIR:=/etc/bash_completion.d}
readonly BASH_COMPLETION_COMPAT_DIR
# Blacklisted completions, causing problems with our code.
#
_blacklist_glob='@()'
# Turn on extended globbing and programmable completion
shopt -s extglob progcomp
# A lot of the following one-liners were taken directly from the
# completion examples provided with the bash 2.04 source distribution
# Make directory commands see only directories
complete -d pushd
# start of section containing compspecs that can be handled within bash
# user commands see only users
complete -u groups slay w sux
# bg completes with stopped jobs
complete -A stopped -P '"%' -S '"' bg
# other job commands
complete -j -P '"%' -S '"' fg jobs disown
# readonly and unset complete with shell variables
complete -v readonly unset
# set completes with set options
complete -A setopt set
# shopt completes with shopt options
complete -A shopt shopt
# helptopics
complete -A helptopic help
# unalias completes with aliases
complete -a unalias
# bind completes with readline bindings (make this more intelligent)
complete -A binding bind
# type and which complete on commands
complete -c command type which
# builtin completes on builtins
complete -b builtin
# start of section containing completion functions called by other functions
# Check if we're running on the given userland
# @param $1 userland to check for
_userland()
{
local userland=$( uname -s )
[[ $userland == @(Linux|GNU/*) ]] && userland=GNU
[[ $userland == $1 ]]
}
# This function sets correct SysV init directories
#
_sysvdirs()
{
sysvdirs=( )
[[ -d /etc/rc.d/init.d ]] && sysvdirs+=( /etc/rc.d/init.d )
[[ -d /etc/init.d ]] && sysvdirs+=( /etc/init.d )
# Slackware uses /etc/rc.d
[[ -f /etc/slackware-version ]] && sysvdirs=( /etc/rc.d )
}
# This function checks whether we have a given program on the system.
#
_have()
{
# Completions for system administrator commands are installed as well in
# case completion is attempted via `sudo command ...'.
PATH=$PATH:/usr/sbin:/sbin:/usr/local/sbin type $1 &>/dev/null
}
# Backwards compatibility for compat completions that use have().
# @deprecated should no longer be used; generally not needed with dynamically
# loaded completions, and _have is suitable for runtime use.
have()
{
unset -v have
_have $1 && have=yes
}
# This function checks whether a given readline variable
# is `on'.
#
_rl_enabled()
{
[[ "$( bind -v )" = *$1+([[:space:]])on* ]]
}
# This function shell-quotes the argument
quote()
{
local quoted=${1//\'/\'\\\'\'}
printf "'%s'" "$quoted"
}
# @see _quote_readline_by_ref()
quote_readline()
{
local quoted
_quote_readline_by_ref "$1" ret
printf %s "$ret"
} # quote_readline()
# This function shell-dequotes the argument
dequote()
{
eval printf %s "$1" 2> /dev/null
}
# Assign variable one scope above the caller
# Usage: local "$1" && _upvar $1 "value(s)"
# Param: $1 Variable name to assign value to
# Param: $* Value(s) to assign. If multiple values, an array is
# assigned, otherwise a single value is assigned.
# NOTE: For assigning multiple variables, use '_upvars'. Do NOT
# use multiple '_upvar' calls, since one '_upvar' call might
# reassign a variable to be used by another '_upvar' call.
# See: http://fvue.nl/wiki/Bash:_Passing_variables_by_reference
_upvar()
{
if unset -v "$1"; then # Unset & validate varname
if (( $# == 2 )); then
eval $1=\"\$2\" # Return single value
else
eval $1=\(\"\${@:2}\"\) # Return array
fi
fi
}
# Assign variables one scope above the caller
# Usage: local varname [varname ...] &&
# _upvars [-v varname value] | [-aN varname [value ...]] ...
# Available OPTIONS:
# -aN Assign next N values to varname as array
# -v Assign single value to varname
# Return: 1 if error occurs
# See: http://fvue.nl/wiki/Bash:_Passing_variables_by_reference
_upvars()
{
if ! (( $# )); then
echo "${FUNCNAME[0]}: usage: ${FUNCNAME[0]} [-v varname"\
"value] | [-aN varname [value ...]] ..." 1>&2
return 2
fi
while (( $# )); do
case $1 in
-a*)
# Error checking
[[ ${1#-a} ]] || { echo "bash: ${FUNCNAME[0]}: \`$1': missing"\
"number specifier" 1>&2; return 1; }
printf %d "${1#-a}" &> /dev/null || { echo "bash:"\
"${FUNCNAME[0]}: \`$1': invalid number specifier" 1>&2
return 1; }
# Assign array of -aN elements
[[ "$2" ]] && unset -v "$2" && eval $2=\(\"\${@:3:${1#-a}}\"\) &&
shift $((${1#-a} + 2)) || { echo "bash: ${FUNCNAME[0]}:"\
"\`$1${2+ }$2': missing argument(s)" 1>&2; return 1; }
;;
-v)
# Assign single value
[[ "$2" ]] && unset -v "$2" && eval $2=\"\$3\" &&
shift 3 || { echo "bash: ${FUNCNAME[0]}: $1: missing"\
"argument(s)" 1>&2; return 1; }
;;
*)
echo "bash: ${FUNCNAME[0]}: $1: invalid option" 1>&2
return 1 ;;
esac
done
}
# Reassemble command line words, excluding specified characters from the
# list of word completion separators (COMP_WORDBREAKS).
# @param $1 chars Characters out of $COMP_WORDBREAKS which should
# NOT be considered word breaks. This is useful for things like scp where
# we want to return host:path and not only path, so we would pass the
# colon (:) as $1 here.
# @param $2 words Name of variable to return words to
# @param $3 cword Name of variable to return cword to
#
__reassemble_comp_words_by_ref()
{
local exclude i j line ref
# Exclude word separator characters?
if [[ $1 ]]; then
# Yes, exclude word separator characters;
# Exclude only those characters, which were really included
exclude="${1//[^$COMP_WORDBREAKS]}"
fi
# Default to cword unchanged
eval $3=$COMP_CWORD
# Are characters excluded which were former included?
if [[ $exclude ]]; then
# Yes, list of word completion separators has shrunk;
line=$COMP_LINE
# Re-assemble words to complete
for (( i=0, j=0; i < ${#COMP_WORDS[@]}; i++, j++)); do
# Is current word not word 0 (the command itself) and is word not
# empty and is word made up of just word separator characters to
# be excluded and is current word not preceded by whitespace in
# original line?
while [[ $i -gt 0 && ${COMP_WORDS[$i]} == +([$exclude]) ]]; do
# Is word separator not preceded by whitespace in original line
# and are we not going to append to word 0 (the command
# itself), then append to current word.
[[ $line != [$' \t']* ]] && (( j >= 2 )) && ((j--))
# Append word separator to current or new word
ref="$2[$j]"
eval $2[$j]=\${!ref}\${COMP_WORDS[i]}
# Indicate new cword
[[ $i == $COMP_CWORD ]] && eval $3=$j
# Remove optional whitespace + word separator from line copy
line=${line#*"${COMP_WORDS[$i]}"}
# Start new word if word separator in original line is
# followed by whitespace.
[[ $line == [$' \t']* ]] && ((j++))
# Indicate next word if available, else end *both* while and
# for loop
(( $i < ${#COMP_WORDS[@]} - 1)) && ((i++)) || break 2
done
# Append word to current word
ref="$2[$j]"
eval $2[$j]=\${!ref}\${COMP_WORDS[i]}
# Remove optional whitespace + word from line copy
line=${line#*"${COMP_WORDS[i]}"}
# Indicate new cword
[[ $i == $COMP_CWORD ]] && eval $3=$j
done
[[ $i == $COMP_CWORD ]] && eval $3=$j
else
# No, list of word completions separators hasn't changed;
eval $2=\( \"\${COMP_WORDS[@]}\" \)
fi
} # __reassemble_comp_words_by_ref()
# @param $1 exclude Characters out of $COMP_WORDBREAKS which should NOT be
# considered word breaks. This is useful for things like scp where
# we want to return host:path and not only path, so we would pass the
# colon (:) as $1 in this case.
# @param $2 words Name of variable to return words to
# @param $3 cword Name of variable to return cword to
# @param $4 cur Name of variable to return current word to complete to
# @see __reassemble_comp_words_by_ref()
__get_cword_at_cursor_by_ref()
{
local cword words=()
__reassemble_comp_words_by_ref "$1" words cword
local i cur index=$COMP_POINT lead=${COMP_LINE:0:$COMP_POINT}
# Cursor not at position 0 and not leaded by just space(s)?
if [[ $index -gt 0 && ( $lead && ${lead//[[:space:]]} ) ]]; then
cur=$COMP_LINE
for (( i = 0; i <= cword; ++i )); do
while [[
# Current word fits in $cur?
${#cur} -ge ${#words[i]} &&
# $cur doesn't match cword?
"${cur:0:${#words[i]}}" != "${words[i]}"
]]; do
# Strip first character
cur="${cur:1}"
# Decrease cursor position
((index--))
done
# Does found word match cword?
if [[ $i -lt $cword ]]; then
# No, cword lies further;
local old_size=${#cur}
cur="${cur#"${words[i]}"}"
local new_size=${#cur}
index=$(( index - old_size + new_size ))
fi
done
# Clear $cur if just space(s)
[[ $cur && ! ${cur//[[:space:]]} ]] && cur=
# Zero $index if negative
[[ $index -lt 0 ]] && index=0
fi
local "$2" "$3" "$4" && _upvars -a${#words[@]} $2 "${words[@]}" \
-v $3 "$cword" -v $4 "${cur:0:$index}"
}
# Get the word to complete and optional previous words.
# This is nicer than ${COMP_WORDS[$COMP_CWORD]}, since it handles cases
# where the user is completing in the middle of a word.
# (For example, if the line is "ls foobar",
# and the cursor is here --------> ^
# Also one is able to cross over possible wordbreak characters.
# Usage: _get_comp_words_by_ref [OPTIONS] [VARNAMES]
# Available VARNAMES:
# cur Return cur via $cur
# prev Return prev via $prev
# words Return words via $words
# cword Return cword via $cword
#
# Available OPTIONS:
# -n EXCLUDE Characters out of $COMP_WORDBREAKS which should NOT be
# considered word breaks. This is useful for things like scp
# where we want to return host:path and not only path, so we
# would pass the colon (:) as -n option in this case.
# -c VARNAME Return cur via $VARNAME
# -p VARNAME Return prev via $VARNAME
# -w VARNAME Return words via $VARNAME
# -i VARNAME Return cword via $VARNAME
#
# Example usage:
#
# $ _get_comp_words_by_ref -n : cur prev
#
_get_comp_words_by_ref()
{
local exclude flag i OPTIND=1
local cur cword words=()
local upargs=() upvars=() vcur vcword vprev vwords
while getopts "c:i:n:p:w:" flag "$@"; do
case $flag in
c) vcur=$OPTARG ;;
i) vcword=$OPTARG ;;
n) exclude=$OPTARG ;;
p) vprev=$OPTARG ;;
w) vwords=$OPTARG ;;
esac
done
while [[ $# -ge $OPTIND ]]; do
case ${!OPTIND} in
cur) vcur=cur ;;
prev) vprev=prev ;;
cword) vcword=cword ;;
words) vwords=words ;;
*) echo "bash: $FUNCNAME(): \`${!OPTIND}': unknown argument" \
1>&2; return 1
esac
let "OPTIND += 1"
done
__get_cword_at_cursor_by_ref "$exclude" words cword cur
[[ $vcur ]] && { upvars+=("$vcur" ); upargs+=(-v $vcur "$cur" ); }
[[ $vcword ]] && { upvars+=("$vcword"); upargs+=(-v $vcword "$cword"); }
[[ $vprev && $cword -ge 1 ]] && { upvars+=("$vprev" ); upargs+=(-v $vprev
"${words[cword - 1]}"); }
[[ $vwords ]] && { upvars+=("$vwords"); upargs+=(-a${#words[@]} $vwords
"${words[@]}"); }
(( ${#upvars[@]} )) && local "${upvars[@]}" && _upvars "${upargs[@]}"
}
# Get the word to complete.
# This is nicer than ${COMP_WORDS[$COMP_CWORD]}, since it handles cases
# where the user is completing in the middle of a word.
# (For example, if the line is "ls foobar",
# and the cursor is here --------> ^
# @param $1 string Characters out of $COMP_WORDBREAKS which should NOT be
# considered word breaks. This is useful for things like scp where
# we want to return host:path and not only path, so we would pass the
# colon (:) as $1 in this case.
# @param $2 integer Index number of word to return, negatively offset to the
# current word (default is 0, previous is 1), respecting the exclusions
# given at $1. For example, `_get_cword "=:" 1' returns the word left of
# the current word, respecting the exclusions "=:".
# @deprecated Use `_get_comp_words_by_ref cur' instead
# @see _get_comp_words_by_ref()
_get_cword()
{
local LC_CTYPE=C
local cword words
__reassemble_comp_words_by_ref "$1" words cword
# return previous word offset by $2
if [[ ${2//[^0-9]/} ]]; then
printf "%s" "${words[cword-$2]}"
elif [[ "${#words[cword]}" -eq 0 || "$COMP_POINT" == "${#COMP_LINE}" ]]; then
printf "%s" "${words[cword]}"
else
local i
local cur="$COMP_LINE"
local index="$COMP_POINT"
for (( i = 0; i <= cword; ++i )); do
while [[
# Current word fits in $cur?
"${#cur}" -ge ${#words[i]} &&
# $cur doesn't match cword?
"${cur:0:${#words[i]}}" != "${words[i]}"
]]; do
# Strip first character
cur="${cur:1}"
# Decrease cursor position
((index--))
done
# Does found word matches cword?
if [[ "$i" -lt "$cword" ]]; then
# No, cword lies further;
local old_size="${#cur}"
cur="${cur#${words[i]}}"
local new_size="${#cur}"
index=$(( index - old_size + new_size ))
fi
done
if [[ "${words[cword]:0:${#cur}}" != "$cur" ]]; then
# We messed up! At least return the whole word so things
# keep working
printf "%s" "${words[cword]}"
else
printf "%s" "${cur:0:$index}"
fi
fi
} # _get_cword()
# Get word previous to the current word.
# This is a good alternative to `prev=${COMP_WORDS[COMP_CWORD-1]}' because bash4
# will properly return the previous word with respect to any given exclusions to
# COMP_WORDBREAKS.
# @deprecated Use `_get_comp_words_by_ref cur prev' instead
# @see _get_comp_words_by_ref()
#
_get_pword()
{
if [[ $COMP_CWORD -ge 1 ]]; then
_get_cword "${@:-}" 1
fi
}
# If the word-to-complete contains a colon (:), left-trim COMPREPLY items with
# word-to-complete.
# With a colon in COMP_WORDBREAKS, words containing
# colons are always completed as entire words if the word to complete contains
# a colon. This function fixes this, by removing the colon-containing-prefix
# from COMPREPLY items.
# The preferred solution is to remove the colon (:) from COMP_WORDBREAKS in
# your .bashrc:
#
# # Remove colon (:) from list of word completion separators
# COMP_WORDBREAKS=${COMP_WORDBREAKS//:}
#
# See also: Bash FAQ - E13) Why does filename completion misbehave if a colon
# appears in the filename? - http://tiswww.case.edu/php/chet/bash/FAQ
# @param $1 current word to complete (cur)
# @modifies global array $COMPREPLY
#
__ltrim_colon_completions()
{
if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
# Remove colon-word prefix from COMPREPLY items
local colon_word=${1%"${1##*:}"}
local i=${#COMPREPLY[*]}
while [[ $((--i)) -ge 0 ]]; do
COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
done
fi
} # __ltrim_colon_completions()
# This function quotes the argument in a way so that readline dequoting
# results in the original argument. This is necessary for at least
# `compgen' which requires its arguments quoted/escaped:
#
# $ ls "a'b/"
# c
# $ compgen -f "a'b/" # Wrong, doesn't return output
# $ compgen -f "a\'b/" # Good
# a\'b/c
#
# See also:
# - http://lists.gnu.org/archive/html/bug-bash/2009-03/msg00155.html
# - http://www.mail-archive.com/bash-completion-devel@lists.alioth.\
# debian.org/msg01944.html
# @param $1 Argument to quote
# @param $2 Name of variable to return result to
_quote_readline_by_ref()
{
if [[ $1 == \'* ]]; then
# Leave out first character
printf -v $2 %s "${1:1}"
else
printf -v $2 %q "$1"
fi
# If result becomes quoted like this: $'string', re-evaluate in order to
# drop the additional quoting. See also: http://www.mail-archive.com/
# bash-completion-devel@lists.alioth.debian.org/msg01942.html
[[ ${!2} == \$* ]] && eval $2=${!2}
} # _quote_readline_by_ref()
# This function performs file and directory completion. It's better than
# simply using 'compgen -f', because it honours spaces in filenames.
# @param $1 If `-d', complete only on directories. Otherwise filter/pick only
# completions with `.$1' and the uppercase version of it as file
# extension.
#
_filedir()
{
local i IFS=$'\n' xspec
_tilde "$cur" || return 0
local -a toks
local quoted x tmp
_quote_readline_by_ref "$cur" quoted
x=$( compgen -d -- "$quoted" ) &&
while read -r tmp; do
toks+=( "$tmp" )
done <<< "$x"
if [[ "$1" != -d ]]; then
# Munge xspec to contain uppercase version too
# http://thread.gmane.org/gmane.comp.shells.bash.bugs/15294/focus=15306
xspec=${1:+"!*.@($1|${1^^})"}
x=$( compgen -f -X "$xspec" -- $quoted ) &&
while read -r tmp; do
toks+=( "$tmp" )
done <<< "$x"
fi
# If the filter failed to produce anything, try without it if configured to
[[ -n ${COMP_FILEDIR_FALLBACK:-} && \
-n "$1" && "$1" != -d && ${#toks[@]} -lt 1 ]] && \
x=$( compgen -f -- $quoted ) &&
while read -r tmp; do
toks+=( "$tmp" )
done <<< "$x"
if [[ ${#toks[@]} -ne 0 ]]; then
# 2>/dev/null for direct invocation, e.g. in the _filedir unit test
compopt -o filenames 2>/dev/null
COMPREPLY+=( "${toks[@]}" )
fi
} # _filedir()
# This function splits $cur=--foo=bar into $prev=--foo, $cur=bar, making it
# easier to support both "--foo bar" and "--foo=bar" style completions.
# `=' should have been removed from COMP_WORDBREAKS when setting $cur for
# this to be useful.
# Returns 0 if current option was split, 1 otherwise.
#
_split_longopt()
{
if [[ "$cur" == --?*=* ]]; then
# Cut also backslash before '=' in case it ended up there
# for some reason.
prev="${cur%%?(\\)=*}"
cur="${cur#*=}"
return 0
fi
return 1
}
# Complete variables.
# @return True (0) if variables were completed,
# False (> 0) if not.
_variables()
{
if [[ $cur =~ ^(\$\{?)([A-Za-z0-9_]*)$ ]]; then
[[ $cur == *{* ]] && local suffix=} || local suffix=
COMPREPLY+=( $( compgen -P ${BASH_REMATCH[1]} -S "$suffix" -v -- \
"${BASH_REMATCH[2]}" ) )
return 0
fi
return 1
}
# Initialize completion and deal with various general things: do file
# and variable completion where appropriate, and adjust prev, words,
# and cword as if no redirections exist so that completions do not
# need to deal with them. Before calling this function, make sure
# cur, prev, words, and cword are local, ditto split if you use -s.
#
# Options:
# -n EXCLUDE Passed to _get_comp_words_by_ref -n with redirection chars
# -e XSPEC Passed to _filedir as first arg for stderr redirections
# -o XSPEC Passed to _filedir as first arg for other output redirections
# -i XSPEC Passed to _filedir as first arg for stdin redirections
# -s Split long options with _split_longopt, implies -n =
# @return True (0) if completion needs further processing,
# False (> 0) no further processing is necessary.
#
_init_completion()
{
local exclude= flag outx errx inx OPTIND=1
while getopts "n:e:o:i:s" flag "$@"; do
case $flag in
n) exclude+=$OPTARG ;;
e) errx=$OPTARG ;;
o) outx=$OPTARG ;;
i) inx=$OPTARG ;;
s) split=false ; exclude+== ;;
esac
done
# For some reason completion functions are not invoked at all by
# bash (at least as of 4.1.7) after the command line contains an
# ampersand so we don't get a chance to deal with redirections
# containing them, but if we did, hopefully the below would also
# do the right thing with them...
COMPREPLY=()
local redir="@(?([0-9])<|?([0-9&])>?(>)|>&)"
_get_comp_words_by_ref -n "$exclude<>&" cur prev words cword
# Complete variable names.
_variables && return 1
# Complete on files if current is a redirect possibly followed by a
# filename, e.g. ">foo", or previous is a "bare" redirect, e.g. ">".
if [[ $cur == $redir* || $prev == $redir ]]; then
local xspec
case $cur in
2'>'*) xspec=$errx ;;
*'>'*) xspec=$outx ;;
*'<'*) xspec=$inx ;;
*)
case $prev in
2'>'*) xspec=$errx ;;
*'>'*) xspec=$outx ;;
*'<'*) xspec=$inx ;;
esac
;;
esac
cur="${cur##$redir}"
_filedir $xspec
return 1
fi
# Remove all redirections so completions don't have to deal with them.
local i skip
for (( i=1; i < ${#words[@]}; )); do
if [[ ${words[i]} == $redir* ]]; then
# If "bare" redirect, remove also the next word (skip=2).
[[ ${words[i]} == $redir ]] && skip=2 || skip=1
words=( "${words[@]:0:i}" "${words[@]:i+skip}" )
[[ $i -le $cword ]] && cword=$(( cword - skip ))
else
i=$(( ++i ))
fi
done
[[ $cword -eq 0 ]] && return 1
prev=${words[cword-1]}
[[ ${split-} ]] && _split_longopt && split=true
return 0
}
# Helper function for _parse_help and _parse_usage.
__parse_options()
{
local option option2 i IFS=$' \t\n,/|'
# Take first found long option, or first one (short) if not found.
option=
for i in $1; do
case $i in
---*) break ;;
--?*) option=$i ; break ;;
-?*) [[ $option ]] || option=$i ;;
*) break ;;
esac
done
[[ $option ]] || return 0
IFS=$' \t\n' # affects parsing of the regexps below...
# Expand --[no]foo to --foo and --nofoo etc
if [[ $option =~ (\[((no|dont)-?)\]). ]]; then
option2=${option/"${BASH_REMATCH[1]}"/}
option2=${option2%%[<{().[]*}
printf '%s\n' "${option2/=*/=}"
option=${option/"${BASH_REMATCH[1]}"/"${BASH_REMATCH[2]}"}
fi
option=${option%%[<{().[]*}
printf '%s\n' "${option/=*/=}"
}
# Parse GNU style help output of the given command.
# @param $1 command; if "-", read from stdin and ignore rest of args
# @param $2 command options (default: --help)
#
_parse_help()
{
eval local cmd=$( quote "$1" )
local line
{ case $cmd in
-) cat ;;
*) LC_ALL=C "$( dequote "$cmd" )" ${2:---help} 2>&1 ;;
esac } \
| while read -r line; do
[[ $line == *([ $'\t'])-* ]] || continue
# transform "-f FOO, --foo=FOO" to "-f , --foo=FOO" etc
while [[ $line =~ \
((^|[^-])-[A-Za-z0-9?][[:space:]]+)\[?[A-Z0-9]+\]? ]]; do
line=${line/"${BASH_REMATCH[0]}"/"${BASH_REMATCH[1]}"}
done
__parse_options "${line// or /, }"
done
}
# Parse BSD style usage output (options in brackets) of the given command.
# @param $1 command; if "-", read from stdin and ignore rest of args
# @param $2 command options (default: --usage)
#
_parse_usage()
{
eval local cmd=$( quote "$1" )
local line match option i char
{ case $cmd in
-) cat ;;
*) LC_ALL=C "$( dequote "$cmd" )" ${2:---usage} 2>&1 ;;
esac } \
| while read -r line; do
while [[ $line =~ \[[[:space:]]*(-[^]]+)[[:space:]]*\] ]]; do
match=${BASH_REMATCH[0]}
option=${BASH_REMATCH[1]}
case $option in
-?(\[)+([a-zA-Z0-9?]))
# Treat as bundled short options
for (( i=1; i < ${#option}; i++ )); do
char=${option:i:1}
[[ $char != '[' ]] && printf '%s\n' -$char
done
;;
*)
__parse_options "$option"
;;
esac
line=${line#*"$match"}
done
done
}
# This function completes on signal names (minus the SIG prefix)
# @param $1 prefix
_signals()
{
local -a sigs=( $( compgen -P "$1" -A signal "SIG${cur#$1}" ) )
COMPREPLY+=( "${sigs[@]/#${1}SIG/${1}}" )
}
# This function completes on known mac addresses
#
_mac_addresses()
{
local re='\([A-Fa-f0-9]\{2\}:\)\{5\}[A-Fa-f0-9]\{2\}'
local PATH="$PATH:/sbin:/usr/sbin"
# Local interfaces
# - ifconfig on Linux: HWaddr or ether
# - ifconfig on FreeBSD: ether
# - ip link: link/ether
COMPREPLY+=( $( { ifconfig -a || ip link show; } 2>/dev/null | sed -ne \
"s/.*[[:space:]]HWaddr[[:space:]]\{1,\}\($re\)[[:space:]].*/\1/p" -ne \
"s/.*[[:space:]]HWaddr[[:space:]]\{1,\}\($re\)[[:space:]]*$/\1/p" -ne \
"s|.*[[:space:]]\(link/\)\{0,1\}ether[[:space:]]\{1,\}\($re\)[[:space:]].*|\2|p" -ne \
"s|.*[[:space:]]\(link/\)\{0,1\}ether[[:space:]]\{1,\}\($re\)[[:space:]]*$|\2|p"
) )
# ARP cache
COMPREPLY+=( $( { arp -an || ip neigh show; } 2>/dev/null | sed -ne \
"s/.*[[:space:]]\($re\)[[:space:]].*/\1/p" -ne \
"s/.*[[:space:]]\($re\)[[:space:]]*$/\1/p" ) )
# /etc/ethers
COMPREPLY+=( $( sed -ne \
"s/^[[:space:]]*\($re\)[[:space:]].*/\1/p" /etc/ethers 2>/dev/null ) )
COMPREPLY=( $( compgen -W '${COMPREPLY[@]}' -- "$cur" ) )
__ltrim_colon_completions "$cur"
}
# This function completes on configured network interfaces
#
_configured_interfaces()
{
if [[ -f /etc/debian_version ]]; then
# Debian system
COMPREPLY=( $( compgen -W "$( sed -ne 's|^iface \([^ ]\{1,\}\).*$|\1|p'\
/etc/network/interfaces )" -- "$cur" ) )
elif [[ -f /etc/SuSE-release ]]; then
# SuSE system
COMPREPLY=( $( compgen -W "$( printf '%s\n' \
/etc/sysconfig/network/ifcfg-* | \
sed -ne 's|.*ifcfg-\(.*\)|\1|p' )" -- "$cur" ) )
elif [[ -f /etc/pld-release ]]; then
# PLD Linux
COMPREPLY=( $( compgen -W "$( command ls -B \
/etc/sysconfig/interfaces | \
sed -ne 's|.*ifcfg-\(.*\)|\1|p' )" -- "$cur" ) )
else
# Assume Red Hat
COMPREPLY=( $( compgen -W "$( printf '%s\n' \
/etc/sysconfig/network-scripts/ifcfg-* | \
sed -ne 's|.*ifcfg-\(.*\)|\1|p' )" -- "$cur" ) )
fi
}
# Local IP addresses.
#
_ip_addresses()
{
local PATH=$PATH:/sbin
COMPREPLY+=( $( compgen -W \
"$( { LC_ALL=C ifconfig -a || ip addr show; } 2>/dev/null |
sed -ne 's/.*addr:\([^[:space:]]*\).*/\1/p' \
-ne 's|.*inet[[:space:]]\{1,\}\([^[:space:]/]*\).*|\1|p' )" \
-- "$cur" ) )
}
# This function completes on available kernels
#
_kernel_versions()
{
COMPREPLY=( $( compgen -W '$( command ls /lib/modules )' -- "$cur" ) )
}
# This function completes on all available network interfaces
# -a: restrict to active interfaces only
# -w: restrict to wireless interfaces only
#
_available_interfaces()
{
local cmd PATH=$PATH:/sbin
if [[ ${1:-} == -w ]]; then
cmd="iwconfig"
elif [[ ${1:-} == -a ]]; then
cmd="{ ifconfig || ip link show up; }"
else
cmd="{ ifconfig -a || ip link show; }"
fi
COMPREPLY=( $( eval $cmd 2>/dev/null | awk \
'/^[^ \t]/ { if ($1 ~ /^[0-9]+:/) { print $2 } else { print $1 } }' ) )
COMPREPLY=( $( compgen -W '${COMPREPLY[@]/%[[:punct:]]/}' -- "$cur" ) )
}
# Echo number of CPUs, falling back to 1 on failure.
_ncpus()
{
local var=NPROCESSORS_ONLN
[[ $OSTYPE == *linux* ]] && var=_$var
local n=$( getconf $var 2>/dev/null )
printf %s ${n:-1}
}
# Perform tilde (~) completion
# @return True (0) if completion needs further processing,
# False (> 0) if tilde is followed by a valid username, completions
# are put in COMPREPLY and no further processing is necessary.
_tilde()
{
local result=0
if [[ $1 == \~* && $1 != */* ]]; then
# Try generate ~username completions
COMPREPLY=( $( compgen -P '~' -u "${1#\~}" ) )
result=${#COMPREPLY[@]}
# 2>/dev/null for direct invocation, e.g. in the _tilde unit test
[[ $result -gt 0 ]] && compopt -o filenames 2>/dev/null
fi
return $result
}
# Expand variable starting with tilde (~)
# We want to expand ~foo/... to /home/foo/... to avoid problems when
# word-to-complete starting with a tilde is fed to commands and ending up
# quoted instead of expanded.
# Only the first portion of the variable from the tilde up to the first slash
# (~../) is expanded. The remainder of the variable, containing for example
# a dollar sign variable ($) or asterisk (*) is not expanded.
# Example usage:
#
# $ v="~"; __expand_tilde_by_ref v; echo "$v"
#
# Example output:
#
# v output
# -------- ----------------
# ~ /home/user
# ~foo/bar /home/foo/bar
# ~foo/$HOME /home/foo/$HOME
# ~foo/a b /home/foo/a b
# ~foo/* /home/foo/*
#
# @param $1 Name of variable (not the value of the variable) to expand
__expand_tilde_by_ref()
{
# Does $1 start with tilde (~)?
if [[ ${!1} == \~* ]]; then
# Does $1 contain slash (/)?
if [[ ${!1} == */* ]]; then
# Yes, $1 contains slash;
# 1: Remove * including and after first slash (/), i.e. "~a/b"
# becomes "~a". Double quotes allow eval.
# 2: Remove * before the first slash (/), i.e. "~a/b"
# becomes "b". Single quotes prevent eval.
# +-----1----+ +---2----+
eval $1="${!1/%\/*}"/'${!1#*/}'
else
# No, $1 doesn't contain slash
eval $1="${!1}"
fi
fi
} # __expand_tilde_by_ref()
# This function expands tildes in pathnames
#
_expand()
{
# FIXME: Why was this here?
#[ "$cur" != "${cur%\\}" ] && cur+="\\"
# Expand ~username type directory specifications. We want to expand
# ~foo/... to /home/foo/... to avoid problems when $cur starting with
# a tilde is fed to commands and ending up quoted instead of expanded.
if [[ "$cur" == \~*/* ]]; then
eval cur=$cur 2>/dev/null
elif [[ "$cur" == \~* ]]; then
cur=${cur#\~}
COMPREPLY=( $( compgen -P '~' -u "$cur" ) )
[[ ${#COMPREPLY[@]} -eq 1 ]] && eval COMPREPLY[0]=${COMPREPLY[0]}
return ${#COMPREPLY[@]}
fi
}
# This function completes on process IDs.
# AIX and Solaris ps prefers X/Open syntax.
[[ $OSTYPE == *@(solaris|aix)* ]] &&
_pids()
{
COMPREPLY=( $( compgen -W '$( command ps -efo pid | sed 1d )' -- "$cur" ))
} ||
_pids()
{
COMPREPLY=( $( compgen -W '$( command ps axo pid= )' -- "$cur" ) )
}
# This function completes on process group IDs.
# AIX and SunOS prefer X/Open, all else should be BSD.
[[ $OSTYPE == *@(solaris|aix)* ]] &&
_pgids()
{
COMPREPLY=( $( compgen -W '$( command ps -efo pgid | sed 1d )' -- "$cur" ))
} ||
_pgids()
{
COMPREPLY=( $( compgen -W '$( command ps axo pgid= )' -- "$cur" ))
}
# This function completes on process names.
# AIX and SunOS prefer X/Open, all else should be BSD.
[[ $OSTYPE == *@(solaris|aix)* ]] &&
_pnames()
{
COMPREPLY=( $( compgen -X '<defunct>' -W '$( command ps -efo comm | \
sed -e 1d -e "s:.*/::" -e "s/^-//" | sort -u )' -- "$cur" ) )
} ||
_pnames()
{
# FIXME: completes "[kblockd/0]" to "0". Previously it was completed
# to "kblockd" which isn't correct either. "kblockd/0" would be
# arguably most correct, but killall from psmisc 22 treats arguments
# containing "/" specially unless -r is given so that wouldn't quite
# work either. Perhaps it'd be best to not complete these to anything
# for now.
# Not using "ps axo comm" because under some Linux kernels, it
# truncates command names (see e.g. http://bugs.debian.org/497540#19)
COMPREPLY=( $( compgen -X '<defunct>' -W '$( command ps axo command= | \
sed -e "s/ .*//" -e "s:.*/::" -e "s/:$//" -e "s/^[[(-]//" \
-e "s/[])]$//" | sort -u )' -- "$cur" ) )
}
# This function completes on user IDs
#
_uids()
{
if type getent &>/dev/null; then
COMPREPLY=( $( compgen -W '$( getent passwd | cut -d: -f3 )' -- "$cur" ) )
elif type perl &>/dev/null; then
COMPREPLY=( $( compgen -W '$( perl -e '"'"'while (($uid) = (getpwent)[2]) { print $uid . "\n" }'"'"' )' -- "$cur" ) )
else
# make do with /etc/passwd
COMPREPLY=( $( compgen -W '$( cut -d: -f3 /etc/passwd )' -- "$cur" ) )
fi
}
# This function completes on group IDs
#
_gids()
{
if type getent &>/dev/null; then
COMPREPLY=( $( compgen -W '$( getent group | cut -d: -f3 )' \
-- "$cur" ) )
elif type perl &>/dev/null; then
COMPREPLY=( $( compgen -W '$( perl -e '"'"'while (($gid) = (getgrent)[2]) { print $gid . "\n" }'"'"' )' -- "$cur" ) )
else
# make do with /etc/group
COMPREPLY=( $( compgen -W '$( cut -d: -f3 /etc/group )' -- "$cur" ) )
fi
}
# Glob for matching various backup files.
#
_backup_glob='@(#*#|*@(~|.@(bak|orig|rej|swp|dpkg*|rpm@(orig|new|save))))'
# Complete on xinetd services
#
_xinetd_services()
{
local xinetddir=/etc/xinetd.d
if [[ -d $xinetddir ]]; then
local restore_nullglob=$(shopt -p nullglob); shopt -s nullglob
local -a svcs=( $( printf '%s\n' $xinetddir/!($_backup_glob) ) )
$restore_nullglob
COMPREPLY+=( $( compgen -W '${svcs[@]#$xinetddir/}' -- "$cur" ) )
fi
}
# This function completes on services
#
_services()
{
local sysvdirs
_sysvdirs
local restore_nullglob=$(shopt -p nullglob); shopt -s nullglob
COMPREPLY=( $( printf '%s\n' ${sysvdirs[0]}/!($_backup_glob|functions) ) )
$restore_nullglob
COMPREPLY+=( $( systemctl list-units --full --all 2>/dev/null | \
awk '$1 ~ /\.service$/ { sub("\\.service$", "", $1); print $1 }' ) )
COMPREPLY=( $( compgen -W '${COMPREPLY[@]#${sysvdirs[0]}/}' -- "$cur" ) )
}
# This completes on a list of all available service scripts for the
# 'service' command and/or the SysV init.d directory, followed by
# that script's available commands
#
_service()
{
local cur prev words cword
_init_completion || return
# don't complete past 2nd token
[[ $cword -gt 2 ]] && return 0
if [[ $cword -eq 1 && $prev == ?(*/)service ]]; then
_services
[[ -e /etc/mandrake-release ]] && _xinetd_services
else
local sysvdirs
_sysvdirs
COMPREPLY=( $( compgen -W '`sed -e "y/|/ /" \
-ne "s/^.*\(U\|msg_u\)sage.*{\(.*\)}.*$/\2/p" \
${sysvdirs[0]}/${prev##*/} 2>/dev/null` start stop' -- "$cur" ) )
fi
} &&
complete -F _service service
_sysvdirs
for svcdir in ${sysvdirs[@]}; do
for svc in $svcdir/!($_backup_glob); do
[[ -x $svc ]] && complete -F _service $svc
done
done
unset svc svcdir sysvdirs
# This function completes on modules
#
_modules()
{
local modpath
modpath=/lib/modules/$1
COMPREPLY=( $( compgen -W "$( command ls -RL $modpath 2>/dev/null | \
sed -ne 's/^\(.*\)\.k\{0,1\}o\(\.[gx]z\)\{0,1\}$/\1/p' )" -- "$cur" ) )
}
# This function completes on installed modules
#
_installed_modules()
{
COMPREPLY=( $( compgen -W "$( PATH="$PATH:/sbin" lsmod | \
awk '{if (NR != 1) print $1}' )" -- "$1" ) )
}
# This function completes on user or user:group format; as for chown and cpio.
#
# The : must be added manually; it will only complete usernames initially.
# The legacy user.group format is not supported.
#
# @param $1 If -u, only return users/groups the user has access to in
# context of current completion.
_usergroup()
{
if [[ $cur = *\\\\* || $cur = *:*:* ]]; then
# Give up early on if something seems horribly wrong.
return
elif [[ $cur = *\\:* ]]; then
# Completing group after 'user\:gr<TAB>'.
# Reply with a list of groups prefixed with 'user:', readline will
# escape to the colon.
local prefix
prefix=${cur%%*([^:])}
prefix=${prefix//\\}
local mycur="${cur#*[:]}"
if [[ $1 == -u ]]; then
_allowed_groups "$mycur"
else
local IFS=$'\n'
COMPREPLY=( $( compgen -g -- "$mycur" ) )
fi
COMPREPLY=( $( compgen -P "$prefix" -W "${COMPREPLY[@]}" ) )
elif [[ $cur = *:* ]]; then
# Completing group after 'user:gr<TAB>'.
# Reply with a list of unprefixed groups since readline with split on :
# and only replace the 'gr' part
local mycur="${cur#*:}"
if [[ $1 == -u ]]; then
_allowed_groups "$mycur"
else
local IFS=$'\n'
COMPREPLY=( $( compgen -g -- "$mycur" ) )
fi
else
# Completing a partial 'usernam<TAB>'.
#
# Don't suffix with a : because readline will escape it and add a
# slash. It's better to complete into 'chown username ' than 'chown
# username\:'.
if [[ $1 == -u ]]; then
_allowed_users "$cur"
else
local IFS=$'\n'
COMPREPLY=( $( compgen -u -- "$cur" ) )
fi
fi
}
_allowed_users()
{
if _complete_as_root; then
local IFS=$'\n'
COMPREPLY=( $( compgen -u -- "${1:-$cur}" ) )
else
local IFS=$'\n '
COMPREPLY=( $( compgen -W \
"$( id -un 2>/dev/null || whoami 2>/dev/null )" -- "${1:-$cur}" ) )
fi
}
_allowed_groups()
{
if _complete_as_root; then
local IFS=$'\n'
COMPREPLY=( $( compgen -g -- "$1" ) )
else
local IFS=$'\n '
COMPREPLY=( $( compgen -W \
"$( id -Gn 2>/dev/null || groups 2>/dev/null )" -- "$1" ) )
fi
}
# This function completes on valid shells
#
_shells()
{
local shell rest
while read -r shell rest; do
[[ $shell == /* && $shell == "$cur"* ]] && COMPREPLY+=( $shell )
done 2>/dev/null < /etc/shells
}
# This function completes on valid filesystem types
#
_fstypes()
{
local fss
if [[ -e /proc/filesystems ]]; then
# Linux
fss="$( cut -d$'\t' -f2 /proc/filesystems )
$( awk '! /\*/ { print $NF }' /etc/filesystems 2>/dev/null )"
else
# Generic
fss="$( awk '/^[ \t]*[^#]/ { print $3 }' /etc/fstab 2>/dev/null )
$( awk '/^[ \t]*[^#]/ { print $3 }' /etc/mnttab 2>/dev/null )
$( awk '/^[ \t]*[^#]/ { print $4 }' /etc/vfstab 2>/dev/null )
$( awk '{ print $1 }' /etc/dfs/fstypes 2>/dev/null )
$( [[ -d /etc/fs ]] && command ls /etc/fs )"
fi
[[ -n $fss ]] && COMPREPLY+=( $( compgen -W "$fss" -- "$cur" ) )
}
# Get real command.
# - arg: $1 Command
# - stdout: Filename of command in PATH with possible symbolic links resolved.
# Empty string if command not found.
# - return: True (0) if command found, False (> 0) if not.
_realcommand()
{
type -P "$1" > /dev/null && {
if type -p realpath > /dev/null; then
realpath "$(type -P "$1")"
elif type -p greadlink > /dev/null; then
greadlink -f "$(type -P "$1")"
elif type -p readlink > /dev/null; then
readlink -f "$(type -P "$1")"
else
type -P "$1"
fi
}
}
# This function returns the first argument, excluding options
# @param $1 chars Characters out of $COMP_WORDBREAKS which should
# NOT be considered word breaks. See __reassemble_comp_words_by_ref.
_get_first_arg()
{
local i
arg=
for (( i=1; i < COMP_CWORD; i++ )); do
if [[ "${COMP_WORDS[i]}" != -* ]]; then
arg=${COMP_WORDS[i]}
break
fi
done
}
# This function counts the number of args, excluding options
# @param $1 chars Characters out of $COMP_WORDBREAKS which should
# NOT be considered word breaks. See __reassemble_comp_words_by_ref.
_count_args()
{
local i cword words
__reassemble_comp_words_by_ref "$1" words cword
args=1
for i in "${words[@]:1:cword-1}"; do
[[ "$i" != -* ]] && args=$(($args+1))
done
}
# This function completes on PCI IDs
#
_pci_ids()
{
COMPREPLY+=( $( compgen -W \
"$( PATH="$PATH:/sbin" lspci -n | awk '{print $3}')" -- "$cur" ) )
}
# This function completes on USB IDs
#
_usb_ids()
{
COMPREPLY+=( $( compgen -W \
"$( PATH="$PATH:/sbin" lsusb | awk '{print $6}' )" -- "$cur" ) )
}
# CD device names
_cd_devices()
{
COMPREPLY+=( $( compgen -f -d -X "!*/?([amrs])cd*" -- "${cur:-/dev/}" ) )
}
# DVD device names
_dvd_devices()
{
COMPREPLY+=( $( compgen -f -d -X "!*/?(r)dvd*" -- "${cur:-/dev/}" ) )
}
# TERM environment variable values
_terms()
{
COMPREPLY+=( $( compgen -W \
"$( sed -ne 's/^\([^[:space:]#|]\{2,\}\)|.*/\1/p' /etc/termcap \
2>/dev/null )" -- "$cur" ) )
COMPREPLY+=( $( compgen -W "$( { toe -a 2>/dev/null || toe 2>/dev/null; } \
| awk '{ print $1 }' | sort -u )" -- "$cur" ) )
}
# a little help for FreeBSD ports users
[[ $OSTYPE == *freebsd* ]] && complete -W 'index search fetch fetch-list
extract patch configure build install reinstall deinstall clean
clean-depends kernel buildworld' make
# This function provides simple user@host completion
#
_user_at_host()
{
local cur prev words cword
_init_completion -n : || return
if [[ $cur == *@* ]]; then
_known_hosts_real "$cur"
else
COMPREPLY=( $( compgen -u -- "$cur" ) )
fi
return 0
}
shopt -u hostcomplete && complete -F _user_at_host -o nospace talk ytalk finger
# NOTE: Using this function as a helper function is deprecated. Use
# `_known_hosts_real' instead.
_known_hosts()
{
local cur prev words cword
_init_completion -n : || return
# NOTE: Using `_known_hosts' as a helper function and passing options
# to `_known_hosts' is deprecated: Use `_known_hosts_real' instead.
local options
[[ "$1" == -a || "$2" == -a ]] && options=-a
[[ "$1" == -c || "$2" == -c ]] && options+=" -c"
_known_hosts_real $options -- "$cur"
} # _known_hosts()
# Helper function for completing _known_hosts.
# This function performs host completion based on ssh's config and known_hosts
# files, as well as hostnames reported by avahi-browse if
# COMP_KNOWN_HOSTS_WITH_AVAHI is set to a non-empty value. Also hosts from
# HOSTFILE (compgen -A hostname) are added, unless
# COMP_KNOWN_HOSTS_WITH_HOSTFILE is set to an empty value.
# Usage: _known_hosts_real [OPTIONS] CWORD
# Options: -a Use aliases
# -c Use `:' suffix
# -F configfile Use `configfile' for configuration settings
# -p PREFIX Use PREFIX
# Return: Completions, starting with CWORD, are added to COMPREPLY[]
_known_hosts_real()
{
local configfile flag prefix
local cur curd awkcur user suffix aliases i host
local -a kh khd config
local OPTIND=1
while getopts "acF:p:" flag "$@"; do
case $flag in
a) aliases='yes' ;;
c) suffix=':' ;;
F) configfile=$OPTARG ;;
p) prefix=$OPTARG ;;
esac
done
[[ $# -lt $OPTIND ]] && echo "error: $FUNCNAME: missing mandatory argument CWORD"
cur=${!OPTIND}; let "OPTIND += 1"
[[ $# -ge $OPTIND ]] && echo "error: $FUNCNAME("$@"): unprocessed arguments:"\
$(while [[ $# -ge $OPTIND ]]; do printf '%s\n' ${!OPTIND}; shift; done)
[[ $cur == *@* ]] && user=${cur%@*}@ && cur=${cur#*@}
kh=()
# ssh config files
if [[ -n $configfile ]]; then
[[ -r $configfile ]] && config+=( "$configfile" )
else
for i in /etc/ssh/ssh_config ~/.ssh/config ~/.ssh2/config; do
[[ -r $i ]] && config+=( "$i" )
done
fi
# Known hosts files from configs
if [[ ${#config[@]} -gt 0 ]]; then
local OIFS=$IFS IFS=$'\n' j
local -a tmpkh
# expand paths (if present) to global and user known hosts files
# TODO(?): try to make known hosts files with more than one consecutive
# spaces in their name work (watch out for ~ expansion
# breakage! Alioth#311595)
tmpkh=( $( awk 'sub("^[ \t]*([Gg][Ll][Oo][Bb][Aa][Ll]|[Uu][Ss][Ee][Rr])[Kk][Nn][Oo][Ww][Nn][Hh][Oo][Ss][Tt][Ss][Ff][Ii][Ll][Ee][ \t]+", "") { print $0 }' "${config[@]}" | sort -u ) )
IFS=$OIFS
for i in "${tmpkh[@]}"; do
# First deal with quoted entries...
while [[ $i =~ ^([^\"]*)\"([^\"]*)\"(.*)$ ]]; do
i=${BASH_REMATCH[1]}${BASH_REMATCH[3]}
j=${BASH_REMATCH[2]}
__expand_tilde_by_ref j # Eval/expand possible `~' or `~user'
[[ -r $j ]] && kh+=( "$j" )
done
# ...and then the rest.
for j in $i; do
__expand_tilde_by_ref j # Eval/expand possible `~' or `~user'
[[ -r $j ]] && kh+=( "$j" )
done
done
fi
if [[ -z $configfile ]]; then
# Global and user known_hosts files
for i in /etc/ssh/ssh_known_hosts /etc/ssh/ssh_known_hosts2 \
/etc/known_hosts /etc/known_hosts2 ~/.ssh/known_hosts \
~/.ssh/known_hosts2; do
[[ -r $i ]] && kh+=( "$i" )
done
for i in /etc/ssh2/knownhosts ~/.ssh2/hostkeys; do
[[ -d $i ]] && khd+=( "$i"/*pub )
done
fi
# If we have known_hosts files to use
if [[ ${#kh[@]} -gt 0 || ${#khd[@]} -gt 0 ]]; then
# Escape slashes and dots in paths for awk
awkcur=${cur//\//\\\/}
awkcur=${awkcur//\./\\\.}
curd=$awkcur
if [[ "$awkcur" == [0-9]*[.:]* ]]; then
# Digits followed by a dot or a colon - just search for that
awkcur="^$awkcur[.:]*"
elif [[ "$awkcur" == [0-9]* ]]; then
# Digits followed by no dot or colon - search for digits followed
# by a dot or a colon
awkcur="^$awkcur.*[.:]"
elif [[ -z $awkcur ]]; then
# A blank - search for a dot, a colon, or an alpha character
awkcur="[a-z.:]"
else
awkcur="^$awkcur"
fi
if [[ ${#kh[@]} -gt 0 ]]; then
# FS needs to look for a comma separated list
COMPREPLY+=( $( awk 'BEGIN {FS=","}
/^\s*[^|\#]/ {
sub("^@[^ ]+ +", ""); \
sub(" .*$", ""); \
for (i=1; i<=NF; ++i) { \
sub("^\\[", "", $i); sub("\\](:[0-9]+)?$", "", $i); \
if ($i !~ /[*?]/ && $i ~ /'"$awkcur"'/) {print $i} \
}}' "${kh[@]}" 2>/dev/null ) )
fi
if [[ ${#khd[@]} -gt 0 ]]; then
# Needs to look for files called
# .../.ssh2/key_22_<hostname>.pub
# dont fork any processes, because in a cluster environment,
# there can be hundreds of hostkeys
for i in "${khd[@]}" ; do
if [[ "$i" == *key_22_$curd*.pub && -r "$i" ]]; then
host=${i/#*key_22_/}
host=${host/%.pub/}
COMPREPLY+=( $host )
fi
done
fi
# apply suffix and prefix
for (( i=0; i < ${#COMPREPLY[@]}; i++ )); do
COMPREPLY[i]=$prefix$user${COMPREPLY[i]}$suffix
done
fi
# append any available aliases from config files
if [[ ${#config[@]} -gt 0 && -n "$aliases" ]]; then
local hosts=$( sed -ne 's/^[ \t]*[Hh][Oo][Ss][Tt]\([Nn][Aa][Mm][Ee]\)\{0,1\}['"$'\t '"']\{1,\}\([^#*?]*\)\(#.*\)\{0,1\}$/\2/p' "${config[@]}" )
COMPREPLY+=( $( compgen -P "$prefix$user" \
-S "$suffix" -W "$hosts" -- "$cur" ) )
fi
# Add hosts reported by avahi-browse, if desired and it's available.
if [[ ${COMP_KNOWN_HOSTS_WITH_AVAHI:-} ]] && \
type avahi-browse &>/dev/null; then
# The original call to avahi-browse also had "-k", to avoid lookups
# into avahi's services DB. We don't need the name of the service, and
# if it contains ";", it may mistify the result. But on Gentoo (at
# least), -k wasn't available (even if mentioned in the manpage) some
# time ago, so...
COMPREPLY+=( $( compgen -P "$prefix$user" -S "$suffix" -W \
"$( avahi-browse -cpr _workstation._tcp 2>/dev/null | \
awk -F';' '/^=/ { print $7 }' | sort -u )" -- "$cur" ) )
fi
# Add hosts reported by ruptime.
COMPREPLY+=( $( compgen -W \
"$( ruptime 2>/dev/null | awk '!/^ruptime:/ { print $1 }' )" \
-- "$cur" ) )
# Add results of normal hostname completion, unless
# `COMP_KNOWN_HOSTS_WITH_HOSTFILE' is set to an empty value.
if [[ -n ${COMP_KNOWN_HOSTS_WITH_HOSTFILE-1} ]]; then
COMPREPLY+=(
$( compgen -A hostname -P "$prefix$user" -S "$suffix" -- "$cur" ) )
fi
__ltrim_colon_completions "$prefix$user$cur"
return 0
} # _known_hosts_real()
complete -F _known_hosts traceroute traceroute6 tracepath tracepath6 \
fping fping6 telnet rsh rlogin ftp dig mtr ssh-installkeys showmount
# This meta-cd function observes the CDPATH variable, so that cd additionally
# completes on directories under those specified in CDPATH.
#
_cd()
{
local cur prev words cword
_init_completion || return
local IFS=$'\n' i j k
compopt -o filenames
# Use standard dir completion if no CDPATH or parameter starts with /,
# ./ or ../
if [[ -z "${CDPATH:-}" || "$cur" == ?(.)?(.)/* ]]; then
_filedir -d
return 0
fi
local -r mark_dirs=$(_rl_enabled mark-directories && echo y)
local -r mark_symdirs=$(_rl_enabled mark-symlinked-directories && echo y)
# we have a CDPATH, so loop on its contents
for i in ${CDPATH//:/$'\n'}; do
# create an array of matched subdirs
k="${#COMPREPLY[@]}"
for j in $( compgen -d $i/$cur ); do
if [[ ( $mark_symdirs && -h $j || $mark_dirs && ! -h $j ) && ! -d ${j#$i/} ]]; then
j+="/"
fi
COMPREPLY[k++]=${j#$i/}
done
done
_filedir -d
if [[ ${#COMPREPLY[@]} -eq 1 ]]; then
i=${COMPREPLY[0]}
if [[ "$i" == "$cur" && $i != "*/" ]]; then
COMPREPLY[0]="${i}/"
fi
fi
return 0
}
if shopt -q cdable_vars; then
complete -v -F _cd -o nospace cd
else
complete -F _cd -o nospace cd
fi
# a wrapper method for the next one, when the offset is unknown
_command()
{
local offset i
# find actual offset, as position of the first non-option
offset=1
for (( i=1; i <= COMP_CWORD; i++ )); do
if [[ "${COMP_WORDS[i]}" != -* ]]; then
offset=$i
break
fi
done
_command_offset $offset
}
# A meta-command completion function for commands like sudo(8), which need to
# first complete on a command, then complete according to that command's own
# completion definition.
#
_command_offset()
{
# rewrite current completion context before invoking
# actual command completion
# find new first word position, then
# rewrite COMP_LINE and adjust COMP_POINT
local word_offset=$1 i j
for (( i=0; i < $word_offset; i++ )); do
for (( j=0; j <= ${#COMP_LINE}; j++ )); do
[[ "$COMP_LINE" == "${COMP_WORDS[i]}"* ]] && break
COMP_LINE=${COMP_LINE:1}
((COMP_POINT--))
done
COMP_LINE=${COMP_LINE#"${COMP_WORDS[i]}"}
((COMP_POINT-=${#COMP_WORDS[i]}))
done
# shift COMP_WORDS elements and adjust COMP_CWORD
for (( i=0; i <= COMP_CWORD - $word_offset; i++ )); do
COMP_WORDS[i]=${COMP_WORDS[i+$word_offset]}
done
for (( i; i <= COMP_CWORD; i++ )); do
unset COMP_WORDS[i]
done
((COMP_CWORD -= $word_offset))
COMPREPLY=()
local cur
_get_comp_words_by_ref cur
if [[ $COMP_CWORD -eq 0 ]]; then
local IFS=$'\n'
compopt -o filenames
COMPREPLY=( $( compgen -d -c -- "$cur" ) )
else
local cmd=${COMP_WORDS[0]} compcmd=${COMP_WORDS[0]}
local cspec=$( complete -p $cmd 2>/dev/null )
# If we have no completion for $cmd yet, see if we have for basename
if [[ ! $cspec && $cmd == */* ]]; then
cspec=$( complete -p ${cmd##*/} 2>/dev/null )
[[ $cspec ]] && compcmd=${cmd##*/}
fi
# If still nothing, just load it for the basename
if [[ ! $cspec ]]; then
compcmd=${cmd##*/}
_completion_loader $compcmd
cspec=$( complete -p $compcmd 2>/dev/null )
fi
if [[ -n $cspec ]]; then
if [[ ${cspec#* -F } != $cspec ]]; then
# complete -F <function>
# get function name
local func=${cspec#*-F }
func=${func%% *}
if [[ ${#COMP_WORDS[@]} -ge 2 ]]; then
$func $cmd "${COMP_WORDS[${#COMP_WORDS[@]}-1]}" "${COMP_WORDS[${#COMP_WORDS[@]}-2]}"
else
$func $cmd "${COMP_WORDS[${#COMP_WORDS[@]}-1]}"
fi
# restore initial compopts
local opt
while [[ $cspec == *" -o "* ]]; do
# FIXME: should we take "+o opt" into account?
cspec=${cspec#*-o }
opt=${cspec%% *}
compopt -o $opt
cspec=${cspec#$opt}
done
else
cspec=${cspec#complete}
cspec=${cspec%%$compcmd}
COMPREPLY=( $( eval compgen "$cspec" -- '$cur' ) )
fi
elif [[ ${#COMPREPLY[@]} -eq 0 ]]; then
# XXX will probably never happen as long as completion loader loads
# *something* for every command thrown at it ($cspec != empty)
_minimal
fi
fi
}
complete -F _command aoss command do else eval exec ltrace nice nohup padsp \
then time tsocks vsound xargs
_root_command()
{
local PATH=$PATH:/sbin:/usr/sbin:/usr/local/sbin
local root_command=$1
_command
}
complete -F _root_command fakeroot gksu gksudo kdesudo really
# Return true if the completion should be treated as running as root
_complete_as_root()
{
[[ $EUID -eq 0 || ${root_command:-} ]]
}
_longopt()
{
local cur prev words cword split
_init_completion -s || return
case "${prev,,}" in
--help|--usage|--version)
return 0
;;
--*dir*)
_filedir -d
return 0
;;
--*file*|--*path*)
_filedir
return 0
;;
--+([-a-z0-9_]))
local argtype=$( $1 --help 2>&1 | sed -ne \
"s|.*$prev\[\{0,1\}=[<[]\{0,1\}\([-A-Za-z0-9_]\{1,\}\).*|\1|p" )
case ${argtype,,} in
*dir*)
_filedir -d
return 0
;;
*file*|*path*)
_filedir
return 0
;;
esac
;;
esac
$split && return 0
if [[ "$cur" == -* ]]; then
COMPREPLY=( $( compgen -W "$( $1 --help 2>&1 | \
sed -ne 's/.*\(--[-A-Za-z0-9]\{1,\}=\{0,1\}\).*/\1/p' | sort -u )" \
-- "$cur" ) )
[[ $COMPREPLY == *= ]] && compopt -o nospace
elif [[ "$1" == @(mk|rm)dir ]]; then
_filedir -d
else
_filedir
fi
}
# makeinfo and texi2dvi are defined elsewhere.
complete -F _longopt a2ps awk base64 bash bc bison cat colordiff cp csplit \
cut date df diff dir du enscript env expand fmt fold gperf \
grep grub head indent irb ld ldd less ln ls m4 md5sum mkdir mkfifo mknod \
mv netstat nl nm objcopy objdump od paste pr ptx readelf rm rmdir \
sed seq sha{,1,224,256,384,512}sum shar sort split strip sum tac tail tee \
texindex touch tr uname unexpand uniq units vdir wc who
declare -A _xspecs
_filedir_xspec()
{
local cur prev words cword
_init_completion || return
_tilde "$cur" || return 0
local IFS=$'\n' xspec=${_xspecs[${1##*/}]} tmp
local -a toks
toks=( $(
compgen -d -- "$(quote_readline "$cur")" | {
while read -r tmp; do
printf '%s\n' $tmp
done
}
))
# Munge xspec to contain uppercase version too
# http://thread.gmane.org/gmane.comp.shells.bash.bugs/15294/focus=15306
eval xspec="${xspec}"
local matchop=!
if [[ $xspec == !* ]]; then
xspec=${xspec#!}
matchop=@
fi
xspec="$matchop($xspec|${xspec^^})"
toks+=( $(
eval compgen -f -X "!$xspec" -- "\$(quote_readline "\$cur")" | {
while read -r tmp; do
[[ -n $tmp ]] && printf '%s\n' $tmp
done
}
))
if [[ ${#toks[@]} -ne 0 ]]; then
compopt -o filenames
COMPREPLY=( "${toks[@]}" )
fi
}
_install_xspec()
{
local xspec=$1 cmd
shift
for cmd in $@; do
_xspecs[$cmd]=$xspec
done
complete -F _filedir_xspec $@
}
# bzcmp, bzdiff, bz*grep, bzless, bzmore intentionally not here, see Debian: #455510
_install_xspec '!*.?(t)bz?(2)' bunzip2 bzcat pbunzip2 pbzcat lbunzip2 lbzcat
_install_xspec '!*.@(zip|[ejsw]ar|exe|pk3|wsz|zargo|xpi|s[tx][cdiw]|sx[gm]|o[dt][tspgfc]|od[bm]|oxt|epub|apk|do[ct][xm]|p[op]t[mx]|xl[st][xm])' unzip zipinfo
_install_xspec '*.Z' compress znew
# zcmp, zdiff, z*grep, zless, zmore intentionally not here, see Debian: #455510
_install_xspec '!*.@(Z|[gGd]z|t[ag]z)' gunzip zcat unpigz
_install_xspec '!*.Z' uncompress
# lzcmp, lzdiff intentionally not here, see Debian: #455510
_install_xspec '!*.@(tlz|lzma)' lzcat lzegrep lzfgrep lzgrep lzless lzmore unlzma
_install_xspec '!*.@(?(t)xz|tlz|lzma)' unxz xzcat
_install_xspec '!*.lrz' lrunzip
_install_xspec '!*.@(gif|jp?(e)g|miff|tif?(f)|pn[gm]|p[bgp]m|bmp|xpm|ico|xwd|tga|pcx)' ee
_install_xspec '!*.@(gif|jp?(e)g|tif?(f)|png|p[bgp]m|bmp|x[bp]m|rle|rgb|pcx|fits|pm|svg)' qiv
_install_xspec '!*.@(gif|jp?(e)g|tif?(f)|png|p[bgp]m|bmp|x[bp]m|rle|rgb|pcx|fits|pm|?(e)ps)' xv
_install_xspec '!*.@(@(?(e)ps|?(E)PS|pdf|PDF)?(.gz|.GZ|.bz2|.BZ2|.Z))' gv ggv kghostview
_install_xspec '!*.@(dvi|DVI)?(.@(gz|Z|bz2))' xdvi kdvi
_install_xspec '!*.dvi' dvips dviselect dvitype dvipdf advi dvipdfm dvipdfmx
_install_xspec '!*.[pf]df' acroread gpdf xpdf
_install_xspec '!*.@(?(e)ps|pdf)' kpdf
_install_xspec '!*.@(okular|@(?(e|x)ps|?(E|X)PS|[pf]df|[PF]DF|dvi|DVI|cb[rz]|CB[RZ]|djv?(u)|DJV?(U)|dvi|DVI|gif|jp?(e)g|miff|tif?(f)|pn[gm]|p[bgp]m|bmp|xpm|ico|xwd|tga|pcx|GIF|JP?(E)G|MIFF|TIF?(F)|PN[GM]|P[BGP]M|BMP|XPM|ICO|XWD|TGA|PCX|epub|EPUB|odt|ODT|fb?(2)|FB?(2)|mobi|MOBI|g3|G3|chm|CHM)?(.?(gz|GZ|bz2|BZ2)))' okular
_install_xspec '!*.pdf' epdfview
_install_xspec '!*.@(cb[rz7t]|djv?(u)|?(e)ps|pdf)' zathura
_install_xspec '!*.@(?(e)ps|pdf)' ps2pdf ps2pdf12 ps2pdf13 ps2pdf14 ps2pdfwr
_install_xspec '!*.texi*' makeinfo texi2html
_install_xspec '!*.@(?(la)tex|texi|dtx|ins|ltx|dbj)' tex latex slitex jadetex pdfjadetex pdftex pdflatex texi2dvi
_install_xspec '!*.mp3' mpg123 mpg321 madplay
_install_xspec '!*@(.@(mp?(e)g|MP?(E)G|wma|avi|AVI|asf|vob|VOB|bin|dat|divx|DIVX|vcd|ps|pes|fli|flv|FLV|fxm|FXM|viv|rm|ram|yuv|mov|MOV|qt|QT|wmv|mp[234]|MP[234]|m4[pv]|M4[PV]|mkv|MKV|og[gmv]|OG[GMV]|t[ps]|T[PS]|m2t?(s)|M2T?(S)|wav|WAV|flac|FLAC|asx|ASX|mng|MNG|srt|m[eo]d|M[EO]D|s[3t]m|S[3T]M|it|IT|xm|XM)|+([0-9]).@(vdr|VDR))?(.part)' xine aaxine fbxine
_install_xspec '!*@(.@(mp?(e)g|MP?(E)G|wma|avi|AVI|asf|vob|VOB|bin|dat|divx|DIVX|vcd|ps|pes|fli|flv|FLV|fxm|FXM|viv|rm|ram|yuv|mov|MOV|qt|QT|wmv|mp[234]|MP[234]|m4[pv]|M4[PV]|mkv|MKV|og[gmv]|OG[GMV]|t[ps]|T[PS]|m2t?(s)|M2T?(S)|wav|WAV|flac|FLAC|asx|ASX|mng|MNG|srt|m[eo]d|M[EO]D|s[3t]m|S[3T]M|it|IT|xm|XM|iso|ISO)|+([0-9]).@(vdr|VDR))?(.part)' kaffeine dragon
_install_xspec '!*.@(avi|asf|wmv)' aviplay
_install_xspec '!*.@(rm?(j)|ra?(m)|smi?(l))' realplay
_install_xspec '!*.@(mpg|mpeg|avi|mov|qt)' xanim
_install_xspec '!*.@(ogg|m3u|flac|spx)' ogg123
_install_xspec '!*.@(mp3|ogg|pls|m3u)' gqmpeg freeamp
_install_xspec '!*.fig' xfig
_install_xspec '!*.@(mid?(i)|cmf)' playmidi
_install_xspec '!*.@(mid?(i)|rmi|rcp|[gr]36|g18|mod|xm|it|x3m|s[3t]m|kar)' timidity
_install_xspec '!*.@(669|abc|am[fs]|d[bs]m|dmf|far|it|mdl|m[eo]d|mid?(i)|mt[2m]|okta|p[st]m|s[3t]m|ult|umx|wav|xm)' modplugplay modplug123
_install_xspec '*.@(o|so|so.!(conf|*/*)|a|[rs]pm|gif|jp?(e)g|mp3|mp?(e)g|avi|asf|ogg|class)' vi vim gvim rvim view rview rgvim rgview gview emacs xemacs sxemacs kate kwrite
_install_xspec '!*.@(zip|z|gz|tgz)' bzme
# konqueror not here on purpose, it's more than a web/html browser
_install_xspec '!*.@(?([xX]|[sS])[hH][tT][mM]?([lL]))' netscape mozilla lynx galeon dillo elinks amaya firefox mozilla-firefox iceweasel google-chrome chromium-browser epiphany
_install_xspec '!*.@(sxw|stw|sxg|sgl|doc?([mx])|dot?([mx])|rtf|txt|htm|html|?(f)odt|ott|odm)' oowriter
_install_xspec '!*.@(sxi|sti|pps?(x)|ppt?([mx])|pot?([mx])|?(f)odp|otp)' ooimpress
_install_xspec '!*.@(sxc|stc|xls?([bmx])|xlw|xlt?([mx])|[ct]sv|?(f)ods|ots)' oocalc
_install_xspec '!*.@(sxd|std|sda|sdd|?(f)odg|otg)' oodraw
_install_xspec '!*.@(sxm|smf|mml|odf)' oomath
_install_xspec '!*.odb' oobase
_install_xspec '!*.[rs]pm' rpm2cpio
_install_xspec '!*.aux' bibtex
_install_xspec '!*.po' poedit gtranslator kbabel lokalize
_install_xspec '!*.@([Pp][Rr][Gg]|[Cc][Ll][Pp])' harbour gharbour hbpp
_install_xspec '!*.[Hh][Rr][Bb]' hbrun
_install_xspec '!*.ly' lilypond ly2dvi
_install_xspec '!*.@(dif?(f)|?(d)patch)?(.@([gx]z|bz2|lzma))' cdiff
_install_xspec '!@(*.@(ks|jks|jceks|p12|pfx|bks|ubr|gkr|cer|crt|cert|p7b|pkipath|pem|p10|csr|crl)|cacerts)' portecle
_install_xspec '!*.@(mp[234c]|og[ag]|@(fl|a)ac|m4[abp]|spx|tta|w?(a)v|wma|aif?(f)|asf|ape)' kid3 kid3-qt
_install_xspec '!*.py' pyflakes
unset -f _install_xspec
# Minimal completion to use as fallback in _completion_loader.
_minimal()
{
local cur prev words cword split
_init_completion -s || return
$split && return
_filedir
}
# Complete the empty string to allow completion of '>', '>>', and '<'
# http://lists.gnu.org/archive/html/bug-bash/2012-01/msg00045.html
complete -F _minimal ''
# set up dynamic completion loading
_completion_loader()
{
local compfile=./completions
[[ $BASH_SOURCE == */* ]] && compfile="${BASH_SOURCE%/*}/completions"
compfile+="/${1##*/}"
# Avoid trying to source dirs; https://bugzilla.redhat.com/903540
[[ -f "$compfile" ]] && . "$compfile" &>/dev/null && return 124
# Need to define *something*, otherwise there will be no completion at all.
complete -F _minimal "$1" && return 124
} &&
complete -D -F _completion_loader
# Function for loading and calling functions from dynamically loaded
# completion files that may not have been sourced yet.
# @param $1 completion file to load function from in case it is missing
# @param $2... function and its arguments
_xfunc()
{
set -- "$@"
local srcfile=$1
shift
declare -F $1 &>/dev/null || {
local compdir=./completions
[[ $BASH_SOURCE == */* ]] && compdir="${BASH_SOURCE%/*}/completions"
. "$compdir/$srcfile"
}
"$@"
}
# source compat completion directory definitions
if [[ -d $BASH_COMPLETION_COMPAT_DIR && -r $BASH_COMPLETION_COMPAT_DIR && \
-x $BASH_COMPLETION_COMPAT_DIR ]]; then
for i in $(LC_ALL=C command ls "$BASH_COMPLETION_COMPAT_DIR"); do
i=$BASH_COMPLETION_COMPAT_DIR/$i
[[ ${i##*/} != @($_backup_glob|Makefile*|$_blacklist_glob) \
&& -f $i && -r $i ]] && . "$i"
done
fi
unset i _blacklist_glob
# source user completion file
[[ ${BASH_SOURCE[0]} != ~/.bash_completion && -r ~/.bash_completion ]] \
&& . ~/.bash_completion
unset -f have
unset have
set $BASH_COMPLETION_ORIGINAL_V_VALUE
unset BASH_COMPLETION_ORIGINAL_V_VALUE
# ex: ts=4 sw=4 et filetype=sh