$ git clone -n https://src.fedoraproject.org/rpms/libcdr.git /var/lib/mock/f42-build-862625-170967/root/chroot_tmpdir/scmroot/libcdr
Cloning into '/var/lib/mock/f42-build-862625-170967/root/chroot_tmpdir/scmroot/libcdr'...
$ git fetch origin 0aecc6137490f89444f363933c009f4be0bd883d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libcdr
 * [new ref]         0aecc6137490f89444f363933c009f4be0bd883d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0aecc61 Rebuild for ICU 76