$ git clone -n https://src.fedoraproject.org/rpms/libecap.git /var/lib/mock/f40-build-2219716-52640/root/chroot_tmpdir/scmroot/libecap
Cloning into '/var/lib/mock/f40-build-2219716-52640/root/chroot_tmpdir/scmroot/libecap'...
$ git fetch origin 3aeabd7ca34d4f3442703b7aa4bc4c229e783d6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libecap
 * [new ref]         3aeabd7ca34d4f3442703b7aa4bc4c229e783d6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3aeabd7 SPDX migration