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#autoload
# Complete files on remote systems using SSH (and other programs). Needs
# key-based authentication with no passwords or a running ssh-agent to work.
#
# Usage:
# _remote_files [-/] [-g glob] [-h host] [-W dir] -- <cmd> [<cmd options>]
#
# Options:
# - -/: only complete directories
# - -g: specify a pattern to match against files
# p, = and * glob qualifiers supported
# - -h: specify the remote host, default is ${IPREFIX%:}
# - -W: specify the parent directory to list files from,
# default is the home directory
#
#
# Commands:
# - ssh: Additional options for non-interactive use are automatically added
# (see below).
# - All other commands are used unaltered.
#
# Examples:
# - _remote_files -- ssh
# Use ssh to retrieve the remote paths. The "--" is not optional!
# - _remote_files --no-files -- ssh -2 -p 42
# Use ssh with the option -2 and -p 42 to retrieve the remote paths and
# complete only directories.
# - _remote_files -- rsh
# Use rsh to retrieve the remote paths.
# There should be coloring based on all the different ls -F classifiers.
local expl rempat remfiles remdispf remdispd args cmd suf ret=1
local -a args cmd_args
local glob host dir dirprefix
if zstyle -T ":completion:${curcontext}:files" remote-access; then
# Parse options to _remote_files. Stops at the first "--".
zparseopts -D -E -a args / g:=glob h:=host W:=dir
(( $#host)) && shift host || host="${IPREFIX%:}"
args=( ${argv[1,(i)--]} )
shift ${#args}
[[ $args[-1] = -- ]] && args[-1]=()
# Command to run on the remote system.
cmd="$1"
shift
# Handle arguments to ssh.
if [[ $cmd == ssh ]]; then
zparseopts -D -E -a cmd_args p: 1 2 4 6 F:
cmd_args=( -o BatchMode=yes "$cmd_args[@]" -a -x )
else
cmd_args=( "$@" )
fi
if (( $#dir )); then
dirprefix=${dir}/
fi
if [[ -z $QIPREFIX ]]
then rempat="${dirprefix}${PREFIX%%[^./][^/]#}\*"
else rempat="${dirprefix}${(q)PREFIX%%[^./][^/]#}\*"
fi
# remote filenames
remfiles=(${(M)${(f)"$(
_call_program files $cmd $cmd_args $host \
command ls -d1FL -- "$rempat" 2>/dev/null
)"}%%[^/]#(|/)})
compset -P '*/'
compset -S '/*' || (( ${args[(I)-/]} )) || suf='remote file'
# display strings for remote files and directories
remdispf=(${remfiles:#*/})
remdispd=(${(M)remfiles:#*/})
if (( $#glob )); then
match=( '(|[*=|])' )
glob[2]="${glob[2]/(#b)\(((|^)[p=\*])\)(#e)/}"
glob[2]+="${${match[1]/p/\|}/\*/\*}"
remdispf=( ${(M)remdispf:#${~glob[2]}} )
fi
local -a autoremove
[[ -o autoremoveslash ]] && autoremove=(-r "/ \t\n\-")
_tags remote-files
while _tags; do
while _next_label remote-files expl ${suf:-remote directory}; do
[[ -n $suf ]] &&
compadd "$args[@]" "$expl[@]" -d remdispf -- ${(q)remdispf%[*=|]} && ret=0
compadd ${suf:+-S/} $autoremove "$args[@]" "$expl[@]" -d remdispd \
-- ${(q)remdispd%/} && ret=0
done
(( ret )) || return 0
done
return ret
else
_message -e remote-files 'remote file'
fi
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