$ git clone -n https://src.fedoraproject.org/rpms/gala.git /var/lib/mock/f41-build-side-1-3126806-39527/root/chroot_tmpdir/scmroot/gala
Cloning into '/var/lib/mock/f41-build-side-1-3126806-39527/root/chroot_tmpdir/scmroot/gala'...
$ git fetch origin 8a8189c5cd16886e301abfad05d6e5e7eed5cfec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gala
 * [new ref]         8a8189c5cd16886e301abfad05d6e5e7eed5cfec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a8189c Update to version 8.0.1; Fixes RHBZ#2306037