make_mirror.sh: output log and exit status to two individual files

make_mirror.sh

@@ -594,12 +594,12 @@ handler () {
 	    } 2>&1;
 	  } | { read xs; exit $xs; };
 	} 3>&1 || ret=$?
+	echo $ret > /mnt/exitstatus.txt
 	if [ -e cover_db.img ]; then
 		df -h cover_db
 		umount cover_db
 	fi
-	echo $ret
-) > /mnt/result.txt 2>&1
+) > /mnt/output.txt 2>&1
 umount /mnt
 systemctl poweroff
 END

run_null.sh

@@ -23,8 +23,8 @@ done
 	cd ./shared;
 	$SUDO sh -x ./test.sh;
 	echo $?;
-) 2>&1 | tee shared/result.txt | head --lines=-1
-if [ "$(tail --lines=1 shared/result.txt)" -ne 0 ]; then
+) 2>&1 | tee shared/output.txt
+if [ "$(cat shared/exitstatus.txt)" -ne 0 ]; then
 	echo "test.sh failed"
 	exit 1
 fi

run_qemu.sh

@@ -11,10 +11,8 @@ cleanup() {
 	rm -f "$tmpdir/debian-$DEFAULT_DIST-overlay.qcow"
 	rm -f "$tmpdir/log"
 	[ -e "$tmpdir" ] && rmdir "$tmpdir"
-	if [ -e shared/result.txt ]; then
-		head --lines=-1 shared/result.txt
-		res="$(tail --lines=1 shared/result.txt)"
-		rm shared/result.txt
+	if [ -e shared/output.txt ]; then
+		res="$(cat shared/exitstatus.txt)"
 		if [ "$res" != "0" ]; then
 			# this might possibly overwrite another non-zero rv
 			rv=1
@@ -45,6 +43,12 @@ case $ARCH in
 	*) echo "qemu kvm not supported on $ARCH" >&2;;
 esac
 
+echo 1 > shared/exitstatus.txt
+if [ -e shared/output.txt ]; then
+	rm shared/output.txt
+fi
+touch shared/output.txt
+
 # the path to debian-$DEFAULT_DIST.qcow must be absolute or otherwise qemu will
 # look for the path relative to debian-$DEFAULT_DIST-overlay.qcow
 qemu-img create -f qcow2 -b "$(realpath "$cachedir")/debian-$DEFAULT_DIST.qcow" -F qcow2 "$tmpdir/debian-$DEFAULT_DIST-overlay.qcow"