$ git clone -n https://src.fedoraproject.org/rpms/mingw-bzip2.git /var/lib/mock/f45-build-18391-515/root/chroot_tmpdir/scmroot/mingw-bzip2
Cloning into '/var/lib/mock/f45-build-18391-515/root/chroot_tmpdir/scmroot/mingw-bzip2'...
$ git fetch origin 45dea1ad9a86d6dfb6e8fa1c86ba2eb315728652:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-bzip2
 * [new ref]         45dea1ad9a86d6dfb6e8fa1c86ba2eb315728652 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45dea1a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild