$ git clone -n https://src.fedoraproject.org/rpms/petsc.git /var/lib/mock/f41-build-813453-148683/root/chroot_tmpdir/scmroot/petsc
Cloning into '/var/lib/mock/f41-build-813453-148683/root/chroot_tmpdir/scmroot/petsc'...
$ git fetch origin baab89588977b3eb32c719c8d3ad0c60c67796f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/petsc
 * [new ref]         baab89588977b3eb32c719c8d3ad0c60c67796f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at baab895 Rebuild for openmpi 5.0.3