$ git clone -n https://src.fedoraproject.org/rpms/rust-awc.git /var/lib/mock/f41-build-700398-12886/root/chroot_tmpdir/scmroot/rust-awc
Cloning into '/var/lib/mock/f41-build-700398-12886/root/chroot_tmpdir/scmroot/rust-awc'...
$ git fetch origin 85d60470bc1514e3b1e3f9f7e54c607d6d06e958:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-awc
 * [new ref]         85d60470bc1514e3b1e3f9f7e54c607d6d06e958 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 85d6047 Update to version 3.4.0; Fixes RHBZ#2262576