$ git clone -n https://src.fedoraproject.org/rpms/rust-ureq-proto.git /var/lib/mock/f45-build-45998-830/root/chroot_tmpdir/scmroot/rust-ureq-proto
Cloning into '/var/lib/mock/f45-build-45998-830/root/chroot_tmpdir/scmroot/rust-ureq-proto'...
$ git fetch origin 5af59a4cff8ec161eff080093511534e0a5494f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ureq-proto
 * [new ref]         5af59a4cff8ec161eff080093511534e0a5494f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5af59a4 Update to version 0.6.3; Fixes RHBZ#2532725