$ git clone -n https://src.fedoraproject.org/rpms/perl-DBIx-Class-Candy.git /var/lib/mock/f45-build-22723-593/root/chroot_tmpdir/scmroot/perl-DBIx-Class-Candy
Cloning into '/var/lib/mock/f45-build-22723-593/root/chroot_tmpdir/scmroot/perl-DBIx-Class-Candy'...
$ git fetch origin 1a7e1366e3c219e66e14c37ec0f02e3c6144d99a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DBIx-Class-Candy
 * [new ref]         1a7e1366e3c219e66e14c37ec0f02e3c6144d99a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a7e136 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild