blob: a365ae19e2abdaddf35a4f0dcf971d3c57c154e0 (
plain)
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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
#
# Wrap the builtin history command to provide additional functionality.
#
function history --shadow-builtin --description "Deletes an item from history"
set -l argc (count $argv)
set -l prefix_args ""
set -l contains_args ""
set -l cmd print
set -l search_mode none
set -l pager less
if set -q PAGER
set pager $PAGER
end
if test $argc -gt 0
for i in (seq $argc)
switch $argv[$i]
case --delete
set cmd delete
case --prefix
set search_mode prefix
set prefix_args $argv[(math $i + 1)]
case --contains
set search_mode contains
set contains_args $argv[(math $i + 1)]
case --save
set cmd save
case --clear
set cmd clear
case --search
set cmd print
case --merge
set cmd merge
case --help
set cmd help
case --
set -e argv[$i]
break
case "-*" "--*"
printf ( _ "%s: invalid option -- %s\n" ) history $argv[1] >&2
return 1
end
end
else
# Execute history builtin without any argument.
if status --is-interactive
builtin history | eval $pager
else
builtin history
end
return
end
switch $cmd
case print
# Print matching items. Note this may end up passing --search twice to the builtin,
# but that's harmless.
builtin history --search $argv
case delete
# Interactively delete history
set -l found_items ""
switch $search_mode
case prefix
set found_items (builtin history --search --prefix $prefix_args)
case contains
set found_items (builtin history --search --contains $contains_args)
case none
builtin history $argv
# Save changes after deleting item.
builtin history --save
return 0
end
set found_items_count (count $found_items)
if test $found_items_count -gt 0
echo "[0] cancel"
echo "[1] all"
echo
for i in (seq $found_items_count)
printf "[%s] %s \n" (math $i + 1) $found_items[$i]
end
read --local --prompt "echo 'Delete which entries? > '" choice
set choice (string split " " -- $choice)
for i in $choice
# Skip empty input, for example, if the user just hits return
if test -z $i
continue
end
# Following two validations could be embedded with "and" but I find the syntax
# kind of weird.
if not string match -qr '^[0-9]+$' $i
printf "Invalid input: %s\n" $i
continue
end
if test $i -gt (math $found_items_count + 1)
printf "Invalid input : %s\n" $i
continue
end
if test $i = "0"
printf "Cancel\n"
return
else
if test $i = "1"
for item in $found_items
builtin history --delete $item
end
printf "Deleted all!\n"
else
builtin history --delete $found_items[(math $i - 1)]
end
end
end
# Save changes after deleting item(s).
builtin history --save
end
case save
# Save changes to history file.
builtin history $argv
case merge
builtin history --merge
case help
builtin history --help
case clear
# Erase the entire history.
echo "Are you sure you want to clear history ? (y/n)"
read ch
if test $ch = "y"
builtin history $argv
echo "History cleared!"
end
end
end
|
