$ git clone -n https://src.fedoraproject.org/rpms/rust-ammonia.git /var/lib/mock/f45-build-40022-767/root/chroot_tmpdir/scmroot/rust-ammonia
Cloning into '/var/lib/mock/f45-build-40022-767/root/chroot_tmpdir/scmroot/rust-ammonia'...
$ git fetch origin 41741d993811a36c94824a85cae8652ac600f825:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ammonia
 * [new ref]         41741d993811a36c94824a85cae8652ac600f825 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41741d9 Update to version 4.1.4; Fixes RHBZ#2506006