$ git clone -n https://src.fedoraproject.org/rpms/perl-Validation-Class.git /var/lib/mock/f40-build-2022172-46788/root/chroot_tmpdir/scmroot/perl-Validation-Class
Cloning into '/var/lib/mock/f40-build-2022172-46788/root/chroot_tmpdir/scmroot/perl-Validation-Class'...
$ git fetch origin 550f90339e7e2b56f4fc0162e94e59a30cd153e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Validation-Class
 * [new ref]         550f90339e7e2b56f4fc0162e94e59a30cd153e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 550f903 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild