set -e
-##ssh "$build_host" /bin/sh -e <<-EOF
-ssh root@"$build_host" unshare -n su $(id -u -n) <<-EOF
+cmd="/bin/sh"
+[ "$build_host" ] &&
+ cmd="ssh root@$build_host unshare -n su $(id -u -n)"
+
+$cmd <<-EOF
set -e
echo \$PATH | grep -q "\$HOME/bin" || export PATH="\$HOME/bin:\$PATH"
ka=${a%:*}
ca=${a#*:}
d=../${ka}_defconfig
- ##ssh "$build_host" /bin/sh -e <<-EOF
- ssh root@"$build_host" unshare -n su $(id -u -n) <<-EOF
+ $cmd <<-EOF
set -e
echo \$PATH | grep -q "\$HOME/bin" ||