$ git clone -n https://src.fedoraproject.org/rpms/rust-tera.git /var/lib/mock/f38-build-side-43-rust-devel-1398106-31066/root/chroot_tmpdir/scmroot/rust-tera
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1398106-31066/root/chroot_tmpdir/scmroot/rust-tera'...
$ git fetch origin 0c0f8b66b9b91c6927f0dbe0ac4c50545adc2a50:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tera
 * [new ref]         0c0f8b66b9b91c6927f0dbe0ac4c50545adc2a50 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0c0f8b6 Update to version 1.19.1