1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
#shopt -s extglob
_altree_option_list()
{
"${COMP_WORDS[0]}" --help 2> /dev/null | \
sed -e '0,/^Options/d;/^ --/{s/^ //;s/^--\(man\|help\).*/--\1/;p};d'
}
_altree()
{
local cur prev cmd opts i lopt
# options with argument
local OLD_IFS="$IFS"
IFS='
'
local options_full=($(_altree_option_list))
IFS="$OLD_IFS"
local options_noarg=(${options_full[@]##* *})
#echo "options_noarg=${options_noarg[@]}"
options_noarg=(${options_noarg[@]//"|"/" -"})
#echo "options_noarg=${options_noarg[@]}"
local options=(${options_full[@]// */})
options=(${options[@]//"|"/" -"})
#echo "options=${options[@]}"
IFS="|"
local pat_options="${options[*]}"
local pat_options_noarg="${options_noarg[*]}"
IFS="$OLD_IFS"
#echo "pat_options=$pat_options"
COMPREPLY=()
cur="$2"
prev="$3"
local loaded_options=()
for (( i=1; $i<$COMP_CWORD; i++ )); do
if [[ ${COMP_WORDS[i]} == @($pat_options) ]]; then
loaded_options[${#loaded_options[@]}]=${COMP_WORDS[i]}
if [[ ${COMP_WORDS[i]} != @($pat_options_noarg) ]]; then
i=$(( $i + 1 ))
fi
fi
done
local options_full_r=(${options_full[@]/ *})
#echo "options_full_r=${options_full_r[@]}"
for lopt in "${loaded_options[@]}"; do
#echo "lopt=$lopt"
options_full_r=(${options_full_r[@]##$lopt*})
options_full_r=(${options_full_r[@]##*"|${lopt/-}"*})
done
#echo "options_full_r=${options_full_r[@]}"
local options_r=(${options_full_r[@]//"|"/" -"})
if [[ "$prev" == @($pat_options) && ! "$prev" == @($pat_options_noarg) ]]; then
cmd="$prev"
#echo ok pour $prev
fi
if [[ "$cur" == -* ]]; then
opts="${options_r[@]}"
local result
local long_opts="${options_r[@]##-[^-]*}"
result=$(compgen -W '$long_opts' -- "$cur")
# hide small options from users, but complete them if
# there is no other possible options
if [ "$result" = "" ]; then
result=$(compgen -W '$opts' -- "$cur")
fi
COMPREPLY=(${COMPREPLY[@]:-} $result)
return
fi
if [ -z "$cmd" ]; then
local long_opts="${options_r[@]##-[^-]*}"
COMPREPLY=(${COMPREPLY[@]:-} $(compgen -W '$long_opts' -- "$cur"))
return
fi
for lopt in "${options_full[@]}" last; do
case "$lopt" in
"$prev"*\ *)
break ;;
*"|${prev#-}"*\ *)
break ;;
esac
done
if [ "$lopt" = last ]; then
echo "BUG, please report (with the value '$prev')"
fi
lopt=${lopt#* }
case "$lopt" in
*"|"*)
# Multiple choices. Continuing...
;;
*)
# Stick with default bash completion
return ;;
esac
lopt=${lopt//'"'/}
lopt=${lopt//'|'/ }
COMPREPLY=(${COMPREPLY[@]:-} $(compgen -W '$lopt' -- "$cur"))
return
}
complete -o bashdefault -o default -F _altree altree 2> /dev/null \
|| complete -o default -F _altree altree
|