blob: e13fc3eba811be50d667eb1d10c5841055ceac5d (
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
|
# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: optfeature.eclass
# @MAINTAINER:
# base-system@gentoo.org
# @BLURB: Advertise optional functionality that might be useful to users
case ${EAPI:-0} in
[0-7]) ;;
*) die "Unsupported EAPI=${EAPI} (unknown) for ${ECLASS}" ;;
esac
if [[ -z ${_OPTFEATURE_ECLASS} ]]; then
_OPTFEATURE_ECLASS=1
# @FUNCTION: optfeature
# @USAGE: <short description> <package atom to match> [other atoms]
# @DESCRIPTION:
# Print out a message suggesting an optional package (or packages)
# not currently installed which provides the described functionality.
#
# The following snippet would suggest app-misc/foo for optional foo support,
# app-misc/bar or app-misc/baz[bar] for optional bar support
# and either both app-misc/a and app-misc/b or app-misc/c for alphabet support.
# @CODE
# optfeature "foo support" app-misc/foo
# optfeature "bar support" app-misc/bar app-misc/baz[bar]
# optfeature "alphabet support" "app-misc/a app-misc/b" app-misc/c
# @CODE
optfeature() {
debug-print-function ${FUNCNAME} "$@"
local i j msg
local -a arr
local desc=$1
local flag=0
shift
for i; do
read -r -d '' -a arr <<<"${i}"
for j in "${arr[@]}"; do
if has_version "${j}"; then
flag=1
else
flag=0
break
fi
done
if [[ ${flag} -eq 1 ]]; then
break
fi
done
if [[ ${flag} -eq 0 ]]; then
for i; do
read -r -d '' -a arr <<<"${i}"
msg=" "
for j in "${arr[@]}"; do
msg+=" ${j} and"
done
msg="${msg:0: -4} for ${desc}"
elog "${msg}"
done
fi
}
fi
|
