$ git clone -n https://git.cclinux.org/stage/rpms/gmp.git /mnt/compose/mock/dist-circle9-build-107698-58602/root/chroot_tmpdir/scmroot/gmp
Cloning into '/mnt/compose/mock/dist-circle9-build-107698-58602/root/chroot_tmpdir/scmroot/gmp'...
$ git fetch origin 32e8457959dc59c86846387150bd3ad035b0ab5f:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/gmp
 * [new ref]         32e8457959dc59c86846387150bd3ad035b0ab5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 32e8457 import gmp-6.2.0-13.el9