$ git clone -n https://src.fedoraproject.org/rpms/rust-tera.git /var/lib/mock/f45-build-45353-822/root/chroot_tmpdir/scmroot/rust-tera
Cloning into '/var/lib/mock/f45-build-45353-822/root/chroot_tmpdir/scmroot/rust-tera'...
$ git fetch origin 41603f9cd8ffb945d1eec8460d2e941b8cce90ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tera
 * [new ref]         41603f9cd8ffb945d1eec8460d2e941b8cce90ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41603f9 Update to verson 2.3.0; Fixes RHBZ#2493413