$ git clone -n https://src.fedoraproject.org/rpms/perl-DBIx-SearchBuilder.git /var/lib/mock/f39-build-1514507-35643/root/chroot_tmpdir/scmroot/perl-DBIx-SearchBuilder
Cloning into '/var/lib/mock/f39-build-1514507-35643/root/chroot_tmpdir/scmroot/perl-DBIx-SearchBuilder'...
$ git fetch origin 25204fc05a5020add6636b2b0aef061532d88925:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DBIx-SearchBuilder
 * [new ref]         25204fc05a5020add6636b2b0aef061532d88925 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25204fc Update to 1.78.