$ git clone -n https://src.fedoraproject.org/rpms/gmic.git /var/lib/mock/f40-build-791660-137678/root/chroot_tmpdir/scmroot/gmic
Cloning into '/var/lib/mock/f40-build-791660-137678/root/chroot_tmpdir/scmroot/gmic'...
$ git fetch origin 652d6084c6a733f67849cfecdf5bdcfb3be9bc0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gmic
 * [new ref]         652d6084c6a733f67849cfecdf5bdcfb3be9bc0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 652d608 Rebuild for opencv 4.9.0