$ git clone -n https://src.fedoraproject.org/rpms/rust-sval_test.git /var/lib/mock/f38-build-side-42-init-devel-1085753-30004/root/chroot_tmpdir/scmroot/rust-sval_test
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1085753-30004/root/chroot_tmpdir/scmroot/rust-sval_test'...
$ git fetch origin ab0995d0fa41009f093fd0c38e526e0dc06c4588:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sval_test
 * [new ref]         ab0995d0fa41009f093fd0c38e526e0dc06c4588 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab0995d Initial import (#2217030)