$ git clone -n https://src.fedoraproject.org/rpms/kmime.git /var/lib/mock/f40-build-2371224-60394/root/chroot_tmpdir/scmroot/kmime
Cloning into '/var/lib/mock/f40-build-2371224-60394/root/chroot_tmpdir/scmroot/kmime'...
$ git fetch origin 4346fe21fb9c29a1d1711aac34abd2d0c77384f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmime
 * [new ref]         4346fe21fb9c29a1d1711aac34abd2d0c77384f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4346fe2 24.01.95