$ git clone -n https://src.fedoraproject.org/rpms/rust-lv2-core.git /var/lib/mock/f38-build-side-42-init-devel-1250333-30640/root/chroot_tmpdir/scmroot/rust-lv2-core
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1250333-30640/root/chroot_tmpdir/scmroot/rust-lv2-core'...
$ git fetch origin 36f670cde0be86a6b3fbaaae725663d1d732ae18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lv2-core
 * [new ref]         36f670cde0be86a6b3fbaaae725663d1d732ae18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36f670c Initial import; Fixes: RHBZ#2224761