$ git clone -n https://src.fedoraproject.org/rpms/rust-lv2-time.git /var/lib/mock/f38-build-side-42-init-devel-1251543-30640/root/chroot_tmpdir/scmroot/rust-lv2-time
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1251543-30640/root/chroot_tmpdir/scmroot/rust-lv2-time'...
$ git fetch origin 8618ab1161a3ae16fed344670080a4296f182036:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lv2-time
 * [new ref]         8618ab1161a3ae16fed344670080a4296f182036 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8618ab1 Initial import; Fixes: RHBZ#2224765