From df3eee40d3ff0a6c8532a1d19bad25d057330cd2 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@parabola.nu>
Date: Wed, 15 Feb 2017 14:39:25 -0500
Subject: mkarchroot, arch-nspawn: Add an `-s` flag to inhibit `setarch`.

This allows us to run an ARM chroot on an x86 box; as the binfmt
runner will set the architecture for us, and the x86
`/usr/bin/setarch` program won't know about the ARM architecture
string.
---
 arch-nspawn.in | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'arch-nspawn.in')

diff --git a/arch-nspawn.in b/arch-nspawn.in
index 19a1a89..ea6e5ea 100644
--- a/arch-nspawn.in
+++ b/arch-nspawn.in
@@ -27,18 +27,20 @@ usage() {
 	echo '    -M <file>     Location of a makepkg config file'
 	echo '    -c <dir>      Set pacman cache'
 	echo '    -f <file>     Copy file from the host to the chroot'
+	echo '    -s            Do not run setarch'
 	echo '    -h            This message'
 	exit 1
 }
 
 orig_argv=("$@")
 
-while getopts 'hC:M:c:f:' arg; do
+while getopts 'hC:M:c:f:s' arg; do
 	case "$arg" in
 		C) pac_conf="$OPTARG" ;;
 		M) makepkg_conf="$OPTARG" ;;
 		c) cache_dir="$OPTARG" ;;
 		f) files+=("$OPTARG") ;;
+		s) nosetarch=1 ;;
 		h|?) usage ;;
 		*) error "invalid argument '%s'" "$arg"; usage ;;
 	esac
@@ -111,6 +113,8 @@ case "$CARCH" in
 	armv7h) CARCH=armv7l;;
 esac
 
+[[ -z $nosetarch ]] || unset CARCH
+
 exec ${CARCH:+setarch "$CARCH"} systemd-nspawn -q \
 	-D "$working_dir" \
 	--register=no \
-- 
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