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
|
# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/eclass/portability.eclass,v 1.7 2005/12/14 19:52:22 flameeyes Exp $
#
# Author: Diego Pettenò <flameeyes@gentoo.org>
#
# This eclass is created to avoid using non-portable GNUisms inside ebuilds
#
# NB: If you add anything, please comment it!
# treecopy orig1 orig2 orig3 .... dest
#
# mimic cp --parents copy, but working on BSD userland as well
treecopy() {
dest=${!#}
files_count=$#
while(( $# > 1 )); do
dirstruct=$(dirname "$1")
mkdir -p "${dest}/${dirstruct}"
cp -pPR "$1" "${dest}/${dirstruct}"
shift
done
}
# seq min max
#
# compatibility function that mimes seq command if not available
seq() {
local p=$(type -P seq)
case $# in
1) min=1 max=$1 step=1 ;;
2) min=$1 max=$2 step=1 ;;
3) min=$1 max=$3 step=$2 ;;
*) die "seq called with wrong number of arguments" ;;
esac
if [[ -z ${p} ]] ; then
local reps
# BSD userland
if [[ ${step} != 0 ]]; then
reps=$(( ($max-$min) / $step +1 ))
else
reps=0
fi
jot $reps $min $max $step
else
"${p}" $min $step $max
fi
}
# Gets the linker flag to link to dlopen() function
dlopen_lib() {
if [[ ${ELIBC} != *BSD ]]; then
echo "-ldl"
fi
}
# Gets the home directory for the specified user
# it's a wrap around egetent as the position of the home directory in the line
# varies depending on the os used.
#
# To use that, inherit eutils, not portability!
egethome() {
ent=$(egetent passwd $1)
case ${CHOST} in
*-darwin*|*-freebsd*|*-dragonfly*)
# Darwin, OSX, FreeBSD and DragonFly use position 9 to store homedir
cut -d: -f9 <<<${ent}
;;
*)
# Linux, NetBSD and OpenBSD use position 6 instead
cut -d: -f6 <<<${ent}
;;
esac
}
# Gets the shell for the specified user
# it's a wrap around egetent as the position of the home directory in the line
# varies depending on the os used.
#
# To use that, inherit eutils, not portability!
egetshell() {
ent=$(egetent passwd "$1")
case ${CHOST} in
*-darwin*|*-freebsd*|*-dragonfly*)
# Darwin, OSX, FreeBSD and DragonFly use position 9 to store homedir
cut -d: -f10 <<<${ent}
;;
*)
# Linux, NetBSD and OpenBSD use position 6 instead
cut -d: -f7 <<<${ent}
;;
esac
}
# Returns true if specified user has a shell that precludes logins
# on whichever operating system.
is-login-disabled() {
shell=$(egetshell "$1")
case ${shell} in
/bin/false|/usr/bin/false|/sbin/nologin|/usr/sbin/nologin)
return 0 ;;
*)
return 1 ;;
esac
}
# Gets the name of the BSD-ish make command (pmake from NetBSD)
#
# This will return make (provided by system packages) for BSD userlands,
# or bsdmake for Darwin userlands and pmake for the rest of userlands,
# both of which are provided by sys-devel/pmake package.
#
# Note: the bsdmake for Darwin userland is with compatibility with MacOSX
# default name.
get_bmake() {
if [[ ${USERLAND} == *BSD ]]; then
echo make
elif [[ ${USERLAND} == "Darwin" ]]; then
echo bsdmake
else
echo pmake
fi
}
|
GitWeb