$ git clone -n https://src.fedoraproject.org/rpms/perl-String-CamelCase.git /var/lib/mock/f45-build-26270-616/root/chroot_tmpdir/scmroot/perl-String-CamelCase
Cloning into '/var/lib/mock/f45-build-26270-616/root/chroot_tmpdir/scmroot/perl-String-CamelCase'...
$ git fetch origin 4935f84da397e4820540bbb6297bae0b7e0ff2b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-String-CamelCase
 * [new ref]         4935f84da397e4820540bbb6297bae0b7e0ff2b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4935f84 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild