$ git clone -n https://src.fedoraproject.org/rpms/taglib-extras.git /var/lib/mock/f41-build-side-1-2670480-29058/root/chroot_tmpdir/scmroot/taglib-extras
Cloning into '/var/lib/mock/f41-build-side-1-2670480-29058/root/chroot_tmpdir/scmroot/taglib-extras'...
$ git fetch origin d4e73cebd17ec751d896aa9f16c3b19ef6a51208:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/taglib-extras
 * [new ref]         d4e73cebd17ec751d896aa9f16c3b19ef6a51208 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4e73ce convert license to SPDX