blob: f361a6fe60c6562e582d5351b3c484ccd50cd3c8 (
plain) (
blame)
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
|
#!/usr/bin/env bash
# Copyright (c) 2016 Egor Tensin <egor@tensin.name>
# This file is part of the "linux-home" project.
# For details, see https://github.com/egor-tensin/linux-home.
# Distributed under the MIT License.
path_add() (
set -o errexit -o nounset -o pipefail
shopt -s inherit_errexit 2> /dev/null || true
shopt -s lastpipe
local prepend=
if [ "$#" -gt 0 ] && [ "$1" == --prepend ]; then
shift
prepend=y
fi
[ "$#" -eq 0 ] && return 0
local path
for path; do
if str_contains "$path" ':'; then
echo "${FUNCNAME[0]}: mustn't contain colon (':') characters: $path" >&2
return 1
fi
done
local -A uniq_paths
local -a new_paths current_paths
for path; do
[ -n "${uniq_paths[$path]+x}" ] && continue
uniq_paths[$path]=1
new_paths+=("$path")
done
if [ -n "${PATH-}" ]; then
str_split -z -- "${PATH-}" ':' | while IFS= read -d '' -r path; do
[ -n "${uniq_paths[$path]+x}" ] && continue
uniq_paths[$path]=1
current_paths+=("$path")
done
fi
local -a result
[ -n "$prepend" ] && result+=(${new_paths[@]+"${new_paths[@]}"})
result+=(${current_paths[@]+"${current_paths[@]}"})
[ -z "$prepend" ] && result+=(${new_paths[@]+"${new_paths[@]}"})
str_join ':' ${result[@]+"${result[@]}"}
)
path_export() {
local new_path
local ret
new_path="$( path_add "$@" )"
ret="$?"
[ "$ret" -ne 0 ] && return "$ret"
export PATH="$new_path"
}
|
