$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-Server-SS-PreFork.git /var/lib/mock/f39-build-1435365-31989/root/chroot_tmpdir/scmroot/perl-Net-Server-SS-PreFork
Cloning into '/var/lib/mock/f39-build-1435365-31989/root/chroot_tmpdir/scmroot/perl-Net-Server-SS-PreFork'...
$ git fetch origin af099ab12dd90752d4f00496f940be0915f430b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-Server-SS-PreFork
 * [new ref]         af099ab12dd90752d4f00496f940be0915f430b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af099ab Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild