$ git clone -n https://src.fedoraproject.org/rpms/yaz.git /var/lib/mock/f40-build-780187-130701/root/chroot_tmpdir/scmroot/yaz
Cloning into '/var/lib/mock/f40-build-780187-130701/root/chroot_tmpdir/scmroot/yaz'...
$ git fetch origin c1bedcf402838ca24b8081b121c4108652d85d29:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/yaz
 * [new ref]         c1bedcf402838ca24b8081b121c4108652d85d29 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1bedcf Rebuild for ICU 74