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|
#!/bin/bash
############################################################################
# bfs #
# Copyright (C) 2020 Benjamin Mundt <benMundt@ibm.com> #
# Copyright (C) 2020 Tavian Barnes <tavianator@tavianator.com> #
# #
# Permission to use, copy, modify, and/or distribute this software for any #
# purpose with or without fee is hereby granted. #
# #
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES #
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF #
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR #
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES #
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN #
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF #
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. #
############################################################################
# bash completion script for bfs
_bfs() {
local cur prev words cword
_init_completion || return
# Options with a special completion procedure
local special=(
-D
-S
-exec
-execdir
-fprintf
-fstype
-gid
-group
-ok
-okdir
-regextype
-type
-uid
-user
-xtype
)
# Options whose values should not be completed
# (e.g. because they are numeric, glob, regexp, time, etc.)
local nocomp=(
-{a,B,c,m}{min,since,time}
-ilname
-iname
-inum
-ipath
-iregex
-iwholename
-links
-lname
-maxdepth
-mindepth
-name
-newer{a,B,c,m}t
-path
-perm
-printf
-regex
-since
-size
-used
-wholename
-xattrname
)
# Options whose value is a filename
local filecomp=(
-{a,B,c,m}newer
-f
-fls
-fprint
-fprint0
-newer
-newer{a,B,c,m}{a,B,c,m}
-samefile
)
local operators=(
-a
-and
-exclude
-not
-o
-or
)
# Flags that take no arguments
local nullary_flags=(
-E
-H
-L
-O{0,1,2,3,4,fast}
-P
-X
-d
-x
)
# Options that take no arguments
local nullary_options=(
-color
-daystart
-depth
-follow
-ignore_readdir_race
-maxdepth
-mindepth
-mount
-nocolor
-noignore_readdir_race
-noleaf
-nowarn
-status
-unique
-warn
-xdev
)
# Tests that take no arguments
local nullary_tests=(
-capable
-empty
-executable
-false
-hidden
-nogroup
-nohidden
-nouser
-readable
-sparse
-true
-writable
-xattr
-xattrname
)
# Actions that take no arguments
local nullary_actions=(
--help
--version
-delete
-exit
-help
-ls
-print
-print0
-printx
-prune
-quit
-rm
-version
)
local everything=(
"${special[@]}"
"${nocomp[@]}"
"${filecomp[@]}"
"${operators[@]}"
"${nullary_flags[@]}"
"${nullary_options[@]}"
"${nullary_tests[@]}"
"${nullary_actions[@]}"
)
# Completing -exec requires matching the whole command line
local i offset
for i in "${!words[@]}"; do
if ((i >= cword)); then
break
fi
case "${words[i]}" in
-exec|-execdir|-ok|-okdir)
offset=$((i + 1))
;;
\\\;|+)
offset=
;;
esac
done
if [[ -n "$offset" ]]; then
_command_offset "$offset"
COMPREPLY+=($(compgen -W "{} + '\\;'" -- "$cur"))
return
fi
# Completions with 2-word lookbehind
if ((cword > 1)); then
case "${words[cword-2]}" in
-fprintf)
# -fprintf FORMAT FILE
# Like -ls/-print/-print0/-printf, but write to FILE instead of standard
# output
# when -fprintf is prev2, current word is FILE; perform file completion
_filedir
return
;;
esac
fi
# No completion for numbers, globs, regexes, times, etc.
if [[ " ${nocomp[@]} " =~ " $prev " ]]; then
COMPREPLY=()
return
fi
# Complete filenames
if [[ " ${filecomp[@]} " =~ " $prev " ]]; then
_filedir
return
fi
# Special completions with 1-word lookbehind
case "$prev" in
-D)
# -D FLAG
# Turn on a debugging flag (see -D help)
COMPREPLY=($(compgen -W 'help cost exec opt rates search stat tree all' -- "$cur"))
return
;;
-S)
# -S bfs|dfs|ids|eds
# Use breadth-first/depth-first/iterative/exponential deepening search
# (default: -S bfs)
COMPREPLY=($(compgen -W 'bfs dfs ids eds' -- "$cur"))
return
;;
-fstype)
# -fstype TYPE
# Find files on file systems with the given TYPE
_fstypes
return
;;
-gid)
# -gid [-+]N
# Find files owned by group ID N
_gids
return
;;
-group)
# -group NAME
# Find files owned by the group NAME
COMPREPLY=($(compgen -g -- "$cur"))
return
;;
-uid)
# -uid [-+]N
# Find files owned by auser ID N
_uids
return
;;
-user)
# -user NAME
# Find files owned by the user NAME
COMPREPLY=($(compgen -u -- "$cur"))
return
;;
-regextype)
# -regextype TYPE
# Use TYPE-flavored regexes (default: posix-basic; see -regextype help)
COMPREPLY=($(compgen -W 'help posix-basic posix-extended' -- "$cur"))
return
;;
-type|-xtype)
# -type [bcdlpfswD]
# Find files of the given type
# -xtype [bcdlpfswD]
# Find files of the given type, following links when -type would not, and
# vice versa
COMPREPLY=()
if [[ -n $cur ]] && ! [[ $cur =~ ,$ ]]; then
COMPREPLY+=("$cur")
cur+=,
fi
COMPREPLY+=("$cur"{b,c,d,l,p,f,s,w,D})
return
;;
esac
# Completions with no lookbehind
if [[ "$cur" == -* ]]; then
# complete all options
COMPREPLY=($(compgen -W "${everything[*]}" -- "$cur"))
return
fi
# default completion
_filedir
COMPREPLY+=($(compgen -W "- ! , '\\(' '\\)'" -- "$cur"))
} && complete -F _bfs bfs
|
