$ git clone -n https://src.fedoraproject.org/forks/packit/rpms/anaconda.git /var/lib/mock/f43-build-59009591-6570182/root/chroot_tmpdir/scmroot/anaconda
Cloning into '/var/lib/mock/f43-build-59009591-6570182/root/chroot_tmpdir/scmroot/anaconda'...
$ git fetch origin 76bd97cd028179ae0b418581fbf4278dd970866f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/packit/rpms/anaconda
 * [new ref]         76bd97cd028179ae0b418581fbf4278dd970866f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76bd97c Update to 43.16 upstream release