From b1e8c0e266cf875787cf44ee22458008845d22a4 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Wed, 4 Aug 2010 23:18:52 -0700
Subject: Bug #308835 - Make econf() use sed to substitute $CONFIG_SHELL in the
 shebang of configure scripts when appropriate.

---
 bin/ebuild.sh | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'bin')

diff --git a/bin/ebuild.sh b/bin/ebuild.sh
index 9c599c01b..a68b9731f 100755
--- a/bin/ebuild.sh
+++ b/bin/ebuild.sh
@@ -479,6 +479,11 @@ econf() {
 
 	: ${ECONF_SOURCE:=.}
 	if [ -x "${ECONF_SOURCE}/configure" ]; then
+		if [[ -n $CONFIG_SHELL && \
+			"$(head -n1 "$ECONF_SOURCE/configure")" =~ ^'#!'[[:space:]]*/bin/sh[[:space:]]*$ ]] ; then
+			sed -e "1s:.*:#!$CONFIG_SHELL" -i "$ECONF_SOURCE/configure" || \
+				die "Substition of shebang in '$ECONF_SOURCE/configure' failed"
+		fi
 		if [ -e /usr/share/gnuconfig/ ]; then
 			find "${WORKDIR}" -type f '(' \
 			-name config.guess -o -name config.sub ')' -print0 | \
-- 
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