link-in target: Propagate python script error from pkg.sh

Signed-off-by: Jan Lindemann <jan@janware.com>

scripts/pkg.sh

@@ -607,7 +607,17 @@ install_exe_wrapper()
 
 	case $ext in
 	py)
-		echo -e "#!/usr/bin/python\n\nimport sys\nimport subprocess\nargs=sys.argv; args[0] = \"$from\"\nsubprocess.call([ '/usr/bin/python' ] + args)" > "$tmp"
+		cat << EOT | sed 's/^	*|//' > "$tmp"
+		|#!/usr/bin/python
+		|
+		|import sys
+		|import subprocess
+		|args=sys.argv
+		|args[0] = "$from"
+		|if subprocess.call([ '/usr/bin/python' ] + args) != 0:
+		|	print("subprocess failed")
+		|	exit(1)
+EOT
 		;;
 	pl)
 		echo -e "#!/bin/bash\n\nexec /usr/bin/perl \"$from\" \"\$@\"" > "$tmp"