@@ -57,6 +57,12 @@ mknod -m 666 "$target"/dev/tty0 c 4 0

 mknod -m 666 "$target"/dev/urandom c 1 9

 mknod -m 666 "$target"/dev/zero c 1 5

+# amazon linux yum will fail without vars set

+if [ -d /etc/yum/vars ]; then

+	mkdir -p -m 755 "$target"/etc/yum

+	cp -a /etc/yum/vars "$target"/etc/yum/

+fi

+

 yum -c "$yum_config" --installroot="$target" --releasever=/ --setopt=tsflags=nodocs \

     --setopt=group_package_types=mandatory -y groupinstall Core

 yum -c "$yum_config" --installroot="$target" -y clean all

@@ -83,9 +89,13 @@ rm -rf "$target"/etc/ld.so.cache

 rm -rf "$target"/var/cache/ldconfig/*

 version=

-if [ -r "$target"/etc/redhat-release ]; then

-    version="$(sed 's/^[^0-9\]*\([0-9.]\+\).*$/\1/' "$target"/etc/redhat-release)"

-fi

+for file in "$target"/etc/{redhat,system}-release

+do

+    if [ -r "$file" ]; then

+        version="$(sed 's/^[^0-9\]*\([0-9.]\+\).*$/\1/' "$file")"

+        break

+    fi

+done

 if [ -z "$version" ]; then

     echo >&2 "warning: cannot autodetect OS version, using '$name' as tag"