$ git clone -n https://src.fedoraproject.org/rpms/rust-clap_builder.git /var/lib/mock/f38-build-side-42-init-devel-1022563-29648/root/chroot_tmpdir/scmroot/rust-clap_builder
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1022563-29648/root/chroot_tmpdir/scmroot/rust-clap_builder'...
$ git fetch origin 8c6e7ce78fd38f4e94f63b810123c265e1fe091f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-clap_builder
 * [new ref]         8c6e7ce78fd38f4e94f63b810123c265e1fe091f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c6e7ce Initial import (#2183661)