$ git clone -n https://src.fedoraproject.org/rpms/OpenEXR_Viewers.git /var/lib/mock/f42-build-3282710-41399/root/chroot_tmpdir/scmroot/OpenEXR_Viewers
Cloning into '/var/lib/mock/f42-build-3282710-41399/root/chroot_tmpdir/scmroot/OpenEXR_Viewers'...
$ git fetch origin 9e0f19659553d7001833e843146357e32a48254d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/OpenEXR_Viewers
 * [new ref]         9e0f19659553d7001833e843146357e32a48254d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e0f196 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild