- target_ts="$(cat "$REDO_DIR/$target_abspath.buildtime" 2>/dev/null || echo 0)"
- dependency_ts="$(cat "$REDO_DIR/$dependency.buildtime" 2>/dev/null || echo 0)"
+ if [ -e "$REDO_DIR/$target_abspath.buildtime" ]; then \
+ read target_ts < "$REDO_DIR/$target_abspath.buildtime";
+ else
+ target_ts=0
+ fi
+ if [ -e "$REDO_DIR/$dependency.buildtime" ]; then
+ read dependency_ts < "$REDO_DIR/$dependency.buildtime"
+ else
+ dependency_ts=0
+ fi