[gentoo-commits] proj/crossdev:master commit in: wrappers/

["Mike Frysinger" <vapier@gentoo.org>]

commit:     f4d0c96ff5510f0b70219fb634d354b694741891
Author:     Mike Frysinger <vapier <AT> gentoo <DOT> org>
AuthorDate: Wed Oct 12 21:30:00 2011 +0000
Commit:     Mike Frysinger <vapier <AT> gentoo <DOT> org>
CommitDate: Wed Oct 12 21:32:13 2011 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/crossdev.git;a=commit;h=f4d0c96f

cross-emerge: optimize/fix portageq usage

Only execute portageq once to speed things up, and only remove the
variables we are looking up from the env.  Using the -i flag makes
portage very unhappy when $PATH goes missing.

Signed-off-by: Mike Frysinger <vapier <AT> gentoo.org>

---
 wrappers/cross-emerge |   14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/wrappers/cross-emerge b/wrappers/cross-emerge
index 85f847d..7af770b 100755
--- a/wrappers/cross-emerge
+++ b/wrappers/cross-emerge
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright 2008-2010 Gentoo Foundation
+# Copyright 2008-2011 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 if [ -z "${CHOST}" ] ; then
@@ -20,10 +20,14 @@ fi
 
 # Portage defaults CBUILD to CHOST, so we have to remove CHOST
 # from the env to get a "good" value for CBUILD
-: ${CBUILD=$(env -i portageq envvar CBUILD)}
-: ${BUILD_CFLAGS=$(env -i portageq envvar CFLAGS)}
-: ${BUILD_CXXFLAGS=$(env -i portageq envvar CXXFLAGS)}
-: ${BUILD_CPPFLAGS=$(env -i portageq envvar CPPFLAGS)}
+query_vars="CBUILD CFLAGS CXXFLAGS CPPFLAGS"
+clean_vars="${query_vars} CHOST SYSROOT PORTAGE_CONFIGROOT"
+eval $(env $(printf -- '-u %s ' ${clean_vars}) \
+	portageq envvar -v ${query_vars} | sed s:^:_E_:)
+: ${CBUILD=${_E_CBUILD}}
+: ${BUILD_CFLAGS=${_E_CFLAGS}}
+: ${BUILD_CXXFLAGS=${_E_CXXFLAGS}}
+: ${BUILD_CPPFLAGS=${_E_CPPFLAGS}}
 export CBUILD BUILD_CFLAGS BUILD_CXXFLAGS BUILD_CPPFLAGS
 
 FAKEROOT=