- lock /var/lock/fstab.lck
- echo '# WARNING: this is an auto generated file, please use uci to set defined filesystems' > /etc/fstab
- lock -u /var/lock/fstab.lck
+ lock -w /var/lock/fstab.lck && {
+ lock /var/lock/fstab.lck
+ [ -e /tmp/fstab ] || {
+ echo '# WARNING: this is an auto generated file, please use uci to set defined filesystems' > /tmp/fstab
+ }
+ lock -u /var/lock/fstab.lck
+ }