Gentoo Archives: gentoo-dev

From: "Michał Górny" <mgorny@g.o>
To: gentoo-dev@l.g.o
Cc: base-system@g.o, "Michał Górny" <mgorny@g.o>
Subject: [gentoo-dev] [PATCH eutils] Introduce has_iuse() for IUSE checks.
Date: Tue, 13 Sep 2011 10:20:29
Message-Id: 1315909291-4205-1-git-send-email-mgorny@gentoo.org
1 Such checks are used at least in autotools-utils & kde* eclasses, and
2 are done wrong there. Thus, I've created a little reusable snippet
3 suitable for eutils.
4 ---
5 eclass/eutils.eclass | 15 +++++++++++++++
6 1 files changed, 15 insertions(+), 0 deletions(-)
7
8 diff --git a/eclass/eutils.eclass b/eclass/eutils.eclass
9 index cd1f9ff..3d99f92 100644
10 --- a/eclass/eutils.eclass
11 +++ b/eclass/eutils.eclass
12 @@ -2028,3 +2028,18 @@ path_exists() {
13 -o) return $(( r == $# )) ;;
14 esac
15 }
16 +
17 +# @FUNCTION: has_iuse
18 +# @USAGE: flag
19 +# @DESCRIPTION:
20 +# Determines whether the given flag is in IUSE. Strips IUSE default prefixes
21 +# as necessary.
22 +has_iuse() {
23 + debug-print-function ${FUNCNAME} "$@"
24 + [[ ${#} -eq 1 ]] || die 'Invalid args to has_iuse()'
25 +
26 + local flag=${1}
27 + local liuse=( ${IUSE} )
28 +
29 + has "${flag}" "${liuse[@]#[+-]}"
30 +}
31 --
32 1.7.6.1

Replies

Subject Author
Re: [gentoo-dev] [PATCH eutils] Introduce has_iuse() for IUSE checks. "Michał Górny" <mgorny@g.o>
Re: [gentoo-dev] [PATCH eutils] Introduce has_iuse() for IUSE checks. Ciaran McCreesh <ciaran.mccreesh@××××××××××.com>