$ git clone -n https://src.fedoraproject.org/rpms/openexr.git /var/lib/mock/f40-build-781424-131566/root/chroot_tmpdir/scmroot/openexr
Cloning into '/var/lib/mock/f40-build-781424-131566/root/chroot_tmpdir/scmroot/openexr'...
$ git fetch origin d1a412e6b3a7a215433f06e48eeccfdebb2e0ff1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openexr
 * [new ref]         d1a412e6b3a7a215433f06e48eeccfdebb2e0ff1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1a412e Backport proposed fix for CVE-2023-5841 to 3.1.10 (fix RHBZ#2262406)