$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-Balanced.git /var/lib/mock/f45-build-26976-620/root/chroot_tmpdir/scmroot/perl-Text-Balanced
Cloning into '/var/lib/mock/f45-build-26976-620/root/chroot_tmpdir/scmroot/perl-Text-Balanced'...
$ git fetch origin f2a2cb418cbc2c263a11dfb7b4ef567576efae4f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-Balanced
 * [new ref]         f2a2cb418cbc2c263a11dfb7b4ef567576efae4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2a2cb4 Increase release to favour standalone package