$ git clone -n https://src.fedoraproject.org/rpms/perl-Time-Moment.git /var/lib/mock/f39-build-1678215-40961/root/chroot_tmpdir/scmroot/perl-Time-Moment
Cloning into '/var/lib/mock/f39-build-1678215-40961/root/chroot_tmpdir/scmroot/perl-Time-Moment'...
$ git fetch origin 9dc2b6b398fd271d85e3599c538bd2dc78b7da76:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Time-Moment
 * [new ref]         9dc2b6b398fd271d85e3599c538bd2dc78b7da76 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9dc2b6b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild