From b57e1b9b40067117ad63e6684c698607a81e077a Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@sbcglobal.net>
Date: Mon, 23 May 2016 23:28:26 -0400
Subject: librechroot: give a better error if an invalid -A flag is given

---
 src/chroot-tools/librechroot | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/chroot-tools/librechroot b/src/chroot-tools/librechroot
index 4cf1d98..cf564ed 100755
--- a/src/chroot-tools/librechroot
+++ b/src/chroot-tools/librechroot
@@ -306,6 +306,11 @@ main() {
 			N) sysd_nspawn_flags+=(--private-network);;
 			C|M) arch_nspawn_flags+=(-$opt "$OPTARG");;
 			A)
+				if ! [[ -f "/usr/share/pacman/defaults/pacman.conf.$OPTARG" && -f "/usr/share/pacman/defaults/makepkg.conf.$OPTARG" ]]; then
+					error 'Unsupported architecture: %s' "$OPTARG"
+					plain 'See the files in %q for valid architectures.' /usr/share/pacman/defaults/
+					return 1;
+				fi
 				trap 'rm -f -- "$tmppacmanconf"' EXIT
 				tmppacmanconf="$(mktemp --tmpdir librechroot-pacman.conf.XXXXXXXXXX)"
 				< "/usr/share/pacman/defaults/pacman.conf.$OPTARG" sed -r "s|^#?\\s*Architecture.+|Architecture = ${OPTARG}|g" > "$tmppacmanconf"
-- 
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