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# mount(8) completion. This will pull a list of possible mounts out of
# /etc/{,v}fstab, unless the word being completed contains a ':', which
# would indicate the specification of an NFS server. In that case, we
# query the server for a list of all available exports and complete on
# that instead.
#
have mount &&
{
# Just like COMPREPLY=(`compgen -W "${COMPREPLY[*]}" -- "$cur"`), only better!
#
# This will correctly escape special characters in COMPREPLY.
_reply_compgen_array()
{
# Create the argument for compgen -W by escaping twice.
#
# One round of escape is because we want to reply with escaped arguments. A
# second round is required because compgen -W will helpfully expand it's
# argument.
local i wlist
for i in ${!COMPREPLY[*]}; do
local q=$(quote "$(printf %q "${COMPREPLY[$i]}")")
wlist+=$q$'\n'
done
# We also have to add another round of escaping to $cur.
local ecur="$cur"
ecur="${ecur//\\/\\\\}"
ecur="${ecur//\'/\'}"
# Actually generate completions.
local oldifs=$IFS
IFS=$'\n' eval 'COMPREPLY=(`compgen -W "$wlist" -- "${ecur}"`)'
IFS=$oldifs
}
# Unescape strings in the linux fstab(5) format (with octal escapes).
__linux_fstab_unescape() {
eval $1="'${!1//\'/\047}'"
eval $1="'${!1/%\\/\\\\}'"
eval "$1=$'${!1}'"
}
# Complete linux fstab entries.
#
# Reads a file from stdin in the linux fstab(5) format; as used by /etc/fstab
# and /proc/mounts.
_linux_fstab()
{
COMPREPLY=()
# Read and unescape values into COMPREPLY
local fs_spec fs_file fs_other
while read -r fs_spec fs_file fs_other; do
__linux_fstab_unescape fs_spec
__linux_fstab_unescape fs_file
if [[ $fs_spec = [#]* ]]; then continue; fi
local oldifs="$IFS"
IFS=$'\0'
[[ $fs_spec = */* ]] && COMPREPLY+=("$fs_spec");
[[ $fs_file = */* ]] && COMPREPLY+=("$fs_file");
IFS="$oldifs"
done
_reply_compgen_array
}
_mount()
{
local cur sm host prev
COMPREPLY=()
cur=`_get_cword ':'`
prev=`_get_pword ':'`
[[ "$cur" == \\ ]] && cur="/"
if [[ "$cur" == *:* ]]; then
for sm in $(type -P showmount) {,/usr}/{,s}bin/showmount; do
[ -x "$sm" ] || continue
COMPREPLY=( $( compgen -W "$( "$sm" -e ${cur%%:*} | \
awk 'NR>1 {print $1}' )" -- "${cur#*:}" ) )
return 0
done
fi
if [[ "$cur" == //* ]]; then
host=${cur#//}
host=${host%%/*}
if [ -n "$host" ]; then
COMPREPLY=( $( compgen -P "//$host" -W \
"$( smbclient -d 0 -NL $host 2>/dev/null |
sed -ne '/^['"$'\t '"']*Sharename/,/^$/p' |
sed -ne '3,$s|^[^A-Za-z]*\([^'"$'\t '"']*\).*$|/\1|p' )" \
-- "${cur#//$host}" ) )
fi
elif [ -r /etc/vfstab ]; then
# Solaris
COMPREPLY=( $( compgen -W "$( awk '! /^[ \t]*#/ {if ($3 ~ /\//) print $3}' /etc/vfstab )" -- "$cur" ) )
elif [ ! -e /etc/fstab ]; then
# probably Cygwin
COMPREPLY=( $( compgen -W "$( mount | awk '! /^[ \t]*#/ {if ($3 ~ /\//) print $3}' )" -- "$cur" ) )
else
# probably Linux
if [ $prev = -L ]; then
COMPREPLY=( $( compgen -W '$(sed -ne "s/^[[:space:]]*LABEL=\([^[:space:]]*\).*/\1/p" /etc/fstab )' -- "$cur" ) )
elif [ $prev = -U ]; then
COMPREPLY=( $( compgen -W '$(sed -ne "s/^[[:space:]]*UUID=\([^[:space:]]*\).*/\1/p" /etc/fstab )' -- "$cur" ) )
else
_linux_fstab < /etc/fstab
fi
fi
return 0
} &&
complete -F _mount -o default -o dirnames mount
# umount(8) completion. This relies on the mount point being the third
# space-delimited field in the output of mount(8)
#
have umount &&
_umount()
{
local cur IFS=$'\n'
COMPREPLY=()
cur=`_get_cword`
COMPREPLY=( $( compgen -W '$( mount | cut -d" " -f 3 )' -- "$cur" ) )
return 0
} &&
complete -F _umount -o dirnames umount
}
# Local variables:
# mode: shell-script
# sh-basic-offset: 4
# sh-indent-comment: t
# indent-tabs-mode: nil
# End:
# ex: ts=4 sw=4 et filetype=sh
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