$ git clone -n https://src.fedoraproject.org/rpms/perl-DateTime.git /var/lib/mock/f39-build-1437452-32136/root/chroot_tmpdir/scmroot/perl-DateTime
Cloning into '/var/lib/mock/f39-build-1437452-32136/root/chroot_tmpdir/scmroot/perl-DateTime'...
$ git fetch origin 44448599215abf50d6f657cf160ec40aee178e84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DateTime
 * [new ref]         44448599215abf50d6f657cf160ec40aee178e84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4444859 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild