$ git clone -n https://src.fedoraproject.org/rpms/perl-Event-Lib.git /var/lib/mock/f39-build-1438030-32180/root/chroot_tmpdir/scmroot/perl-Event-Lib
Cloning into '/var/lib/mock/f39-build-1438030-32180/root/chroot_tmpdir/scmroot/perl-Event-Lib'...
$ git fetch origin 1010852812e08406e845c41ce26829db0ff89d1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Event-Lib
 * [new ref]         1010852812e08406e845c41ce26829db0ff89d1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1010852 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild