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minimal_bash_completion.bash
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minimal_bash_completion.bash
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# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# Modifications by stdweird:
# These are minimal set of functions to make autocompletion and optcomplete work on pre-bash 4.2
# They are taken from https://github.com/brianzimmer/dotfiles/blob/master/bashcompletion/bash_completion
# which is version 1.3 of the bash_completion project from http://bash-completion.alioth.debian.org/
# So these too are GPLv2 or later
# The functions are wrapped in conditionals to check if the functions already exist or not (eg set via OS environment)
#
type _quote_readline_by_ref >& /dev/null
if [ $? -ne 0 ]
then # begin _quote_readline_by_ref conditional
# 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 (bash-4)
# a\'b/c
# $ compgen -f "a\\\\\'b/" # Good (bash-3)
# a\'b/c
#
# On bash-3, special characters need to be escaped extra. This is
# unless the first character is a single quote ('). If the single
# quote appears further down the string, bash default completion also
# fails, e.g.:
#
# $ ls 'a&b/'
# f
# $ foo 'a&b/<TAB> # Becomes: foo 'a&b/f'
# $ foo a'&b/<TAB> # Nothing happens
#
# 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 [[ ${1:0:1} == "'" ]]; then
if [[ ${BASH_VERSINFO[0]} -ge 4 ]]; then
# Leave out first character
printf -v $2 %s "${1:1}"
else
# Quote word, leaving out first character
printf -v $2 %q "${1:1}"
# Double-quote word (bash-3)
printf -v $2 %q ${!2}
fi
elif [[ ${BASH_VERSINFO[0]} -le 3 && ${1:0:1} == '"' ]]; then
printf -v $2 %q "${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
[[ ${!2:0:1} == '$' ]] && eval $2=${!2}
} # _quote_readline_by_ref()
fi # end _quote_readline_by_ref conditional
type _expand >& /dev/null
if [ $? -ne 0 ]
then # begin _expand conditional
# This function expands tildes in pathnames
#
_expand()
{
# FIXME: Why was this here?
#[ "$cur" != "${cur%\\}" ] && cur="$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=$cur
elif [[ "$cur" == \~* ]]; then
cur=${cur#\~}
COMPREPLY=( $( compgen -P '~' -u "$cur" ) )
[ ${#COMPREPLY[@]} -eq 1 ] && eval COMPREPLY[0]=${COMPREPLY[0]}
return ${#COMPREPLY[@]}
fi
}
fi # end _expand conditional
type _get_comp_words_by_ref >& /dev/null
if [ $? -ne 0 ]
then # begin _get_comp_words_by_ref conditional
# 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 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;
# 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?
while [[ $i -gt 0 && ${COMP_WORDS[$i]} &&
${COMP_WORDS[$i]//[^$exclude]} == ${COMP_WORDS[$i]}
]]; do
[ $j -ge 2 ] && ((j--))
# Append word separator to current word
ref="$2[$j]"
eval $2[$j]=\${!ref}\${COMP_WORDS[i]}
# Indicate new cword
[ $i = $COMP_CWORD ] && eval $3=$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]}
# Indicate new cword
[[ $i == $COMP_CWORD ]] && eval $3=$j
done
else
# No, list of word completions separators hasn't changed;
eval $2=\( \"\${COMP_WORDS[@]}\" \)
fi
} # __reassemble_comp_words_by_ref()
# 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
}
# @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. Bash-3 doesn't do word splitting, so this
# ensures we get the same word on both bash-3 and bash-4.
# @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 ___get_cword_at_cursor_by_ref()
__get_cword_at_cursor_by_ref() {
local cword words=()
__reassemble_comp_words_by_ref "$1" words cword
local i cur2
local cur="$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}}" != "$cur" ]]; then
# We messed up. At least return the whole word so things keep working
cur2=${words[cword]}
else
cur2=${cur:0:$index}
fi
local "$2" "$3" "$4" &&
_upvars -a${#words[@]} $2 "${words[@]}" -v $3 "$cword" -v $4 "$cur2"
}
# 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. Bash-3
# doesn't do word splitting, so this ensures we get the same
# word on both bash-3 and bash-4.
# -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"); }
[[ $vprev ]] && { upvars+=("$vprev" ); upargs+=(-v $vprev
"${words[cword - 1]}"); }
[[ $vwords ]] && { upvars+=("$vwords"); upargs+=(-a${#words[@]} $vwords
"${words[@]}"); }
(( ${#upvars[@]} )) && local "${upvars[@]}" && _upvars "${upargs[@]}"
}
fi # end _get_comp_words_by_ref conditional
type _filedir >& /dev/null
if [ $? -ne 0 ]
then # begin _filedir conditional
# This function turns on "-o filenames" behavior dynamically. It is present
# for bash < 4 reasons. See http://bugs.debian.org/272660#64 for info about
# the bash < 4 compgen hack.
_compopt_o_filenames()
{
# We test for compopt availability first because directly invoking it on
# bash < 4 at this point may cause terminal echo to be turned off for some
# reason, see https://bugzilla.redhat.com/653669 for more info.
type compopt &>/dev/null && compopt -o filenames 2>/dev/null || \
compgen -f /non-existing-dir/ >/dev/null
}
# 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
# Does $1 start with tilde (~) and doesn't contain slash (/)?
if [[ ${1:0:1} == "~" && $1 == ${1//\/} ]]; then
_compopt_o_filenames
# Try generate username completions
COMPREPLY=( $( compgen -P '~' -u "${1#\~}" ) )
result=${#COMPREPLY[@]}
fi
return $result
}
# 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 "$cur" || return 0
local -a toks
local quoted tmp
_quote_readline_by_ref "$cur" quoted
toks=( ${toks[@]-} $(
compgen -d -- "$quoted" | {
while read -r tmp; do
# TODO: I have removed a "[ -n $tmp ] &&" before 'printf ..',
# and everything works again. If this bug suddenly
# appears again (i.e. "cd /b<TAB>" becomes "cd /"),
# remember to check for other similar conditionals (here
# and _filedir_xspec()). --David
printf '%s\n' $tmp
done
}
))
if [[ "$1" != -d ]]; then
# Munge xspec to contain uppercase version too
[[ ${BASH_VERSINFO[0]} -ge 4 ]] && \
xspec=${1:+"!*.@($1|${1^^})"} || \
xspec=${1:+"!*.@($1|$(printf %s $1 | tr '[:lower:]' '[:upper:]'))"}
toks=( ${toks[@]-} $( compgen -f -X "$xspec" -- $quoted) )
fi
[ ${#toks[@]} -ne 0 ] && _compopt_o_filenames
COMPREPLY=( "${COMPREPLY[@]}" "${toks[@]}" )
} # _filedir()
fi # end _filedir conditional
type _known_hosts >& /dev/null
if [ $? -ne 0 ]
then # begin _known_hosts conditional
# NOTE: Using this function as a helper function is deprecated. Use
# `_known_hosts_real' instead.
_known_hosts()
{
local options
COMPREPLY=()
# NOTE: Using `_known_hosts' as a helper function and passing options
# to `_known_hosts' is deprecated: Use `_known_hosts_real' instead.
[[ "$1" == -a || "$2" == -a ]] && options=-a
[[ "$1" == -c || "$2" == -c ]] && options="$options -c"
_known_hosts_real $options "$(_get_cword :)"
} # _known_hosts()
# 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 $1 start with tilde (~)?
if [ "${!1:0:1}" = "~" ]; then
# Does $1 contain slash (/)?
if [ "${!1}" != "${!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()
# If the word-to-complete contains a colon (:), left-trim COMPREPLY items with
# word-to-complete.
# On bash-3, and bash-4 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 word-to-complete contains a colon,
# and bash-version < 4,
# or bash-version >= 4 and COMP_WORDBREAKS contains a colon
if [[
"$1" == *:* && (
${BASH_VERSINFO[0]} -lt 4 ||
(${BASH_VERSINFO[0]} -ge 4 && "$COMP_WORDBREAKS" == *:*)
)
]]; then
# Remove colon-word prefix from COMPREPLY items
local colon_word=${1%${1##*:}}
local i=${#COMPREPLY[*]}
while [ $((--i)) -ge 0 ]; do
COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
done
fi
} # __ltrim_colon_completions()
# Helper function for completing _known_hosts.
# This function performs host completion based on ssh's config and known_hosts
# files, as well as hostnames reported by avahi-browse if
# COMP_KNOWN_HOSTS_WITH_AVAHI is set to a non-empty value. Also hosts from
# HOSTFILE (compgen -A hostname) are added, unless
# COMP_KNOWN_HOSTS_WITH_HOSTFILE is set to an empty value.
# Usage: _known_hosts_real [OPTIONS] CWORD
# Options: -a Use aliases
# -c Use `:' suffix
# -F configfile Use `configfile' for configuration settings
# -p PREFIX Use PREFIX
# Return: Completions, starting with CWORD, are added to COMPREPLY[]
_known_hosts_real()
{
local configfile flag prefix
local cur curd awkcur user suffix aliases i host
local -a kh khd config
local OPTIND=1
while getopts "acF:p:" flag "$@"; 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 "$configfile" ] &&
config=( "${config[@]}" "$configfile" )
else
for i in /etc/ssh/ssh_config "${HOME}/.ssh/config" \
"${HOME}/.ssh2/config"; do
[ -r $i ] && config=( "${config[@]}" "$i" )
done
fi
# Known hosts files from configs
if [ ${#config[@]} -gt 0 ]; then
local OIFS=$IFS IFS=$'\n'
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 ) )
for i in "${tmpkh[@]}"; do
# Remove possible quotes
i=${i//\"}
# Eval/expand possible `~' or `~user'
__expand_tilde_by_ref i
[ -r "$i" ] && kh=( "${kh[@]}" "$i" )
done
IFS=$OIFS
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 $i ] && kh=( "${kh[@]}" $i )
done
for i in /etc/ssh2/knownhosts ~/.ssh2/hostkeys; do
[ -d $i ] && khd=( "${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 [ ${#kh[@]} -gt 0 ]; then
# FS needs to look for a comma separated list
COMPREPLY=( "${COMPREPLY[@]}" $( awk 'BEGIN {FS=","}
/^\s*[^|\#]/ {for (i=1; i<=2; ++i) { \
sub(" .*$", "", $i); \
sub("^\\[", "", $i); sub("\\](:[0-9]+)?$", "", $i); \
if ($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=${host/%.pub/}
COMPREPLY=( "${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=( "${COMPREPLY[@]}" $( compgen -P "$prefix$user" \
-S "$suffix" -W "$hosts" -- "$cur" ) )
fi
# Add hosts reported by avahi-browse, if desired and it's available.
if [[ ${COMP_KNOWN_HOSTS_WITH_AVAHI:-} ]] && \
type avahi-browse &>/dev/null; then
# The original call to avahi-browse also had "-k", to avoid lookups
# into avahi's services DB. We don't need the name of the service, and
# if it contains ";", it may mistify the result. But on Gentoo (at
# least), -k wasn't available (even if mentioned in the manpage) some
# time ago, so...
COMPREPLY=( "${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 results of normal hostname completion, unless
# `COMP_KNOWN_HOSTS_WITH_HOSTFILE' is set to an empty value.
if [ -n "${COMP_KNOWN_HOSTS_WITH_HOSTFILE-1}" ]; then
COMPREPLY=( "${COMPREPLY[@]}"
$( compgen -A hostname -P "$prefix$user" -S "$suffix" -- "$cur" ) )
fi
__ltrim_colon_completions "$prefix$user$cur"
return 0
} # _known_hosts_real()
fi # end _known_hosts conditional