What were you trying to do that didn't work?

Even with "nfs4" and "nfs"  removed from from PRUNEFS in /etc/updatedb.conf ,  mlocate-updatedb service does not update the DB with files in NFS mounts.

A direct call of updatedb effectively adds files on NFS mounts to the DB.

https://bugzilla.redhat.com/show_bug.cgi?id=1365662

Please provide the package NVR for which bug is seen:

mlocate-0.26-20.el8.x86_64

How reproducible:

Always

Steps to reproduce

1. Remove nfs nfs4 from PRUNES in /etc/updatedb.conf 
2. add files in NFS mounts
3. Wait for mlocate-updatedb service to execute

Expected results

• Files on NFS mounts added to db

  Actual results

• Files in NFS mounts are excluded

The issue is due to the file call by the service: /usr/libexec/mlocate-run-updatedb
nodevs=$(< /proc/filesystems awk '$1 == "nodev" && $2 != "rootfs" && $2 != "zfs" { print $2 }')
/usr/bin/updatedb -f "$nodevs"

nfs and nfs4 appear with nodev in /proc/filesystems, so they are excuded.

The filter should be:
nodevs=$(< /proc/filesystems awk '$1 == "nodev" && $2 != "rootfs" && $2 != "zfs" && $2 !~ "nfs" { print $2 }') * Workaround, override the service file with:

• systemctl edit mlocate-updatedb.service
  {{}}

[Service]  
ExecStart=
ExecStart=/bin/sh -c /usr/bin/updatedb --debug-pruning -f $(awk '$1 == "nodev" && $2 != "rootfs" && $2 != "zfs" && $2 !~ "nfs" { print $2 }' /proc/filesystems) 

BZ on fedora:

https://bugzilla.redhat.com/show_bug.cgi?id=1845275

https://bugzilla.redhat.com/show_bug.cgi?id=1365662