$ git clone -n https://src.fedoraproject.org/rpms/golang-github-markbates-oncer.git /var/lib/mock/f40-build-2288182-55772/root/chroot_tmpdir/scmroot/golang-github-markbates-oncer
Cloning into '/var/lib/mock/f40-build-2288182-55772/root/chroot_tmpdir/scmroot/golang-github-markbates-oncer'...
$ git fetch origin 588226c221242a808e9e0e4e695657b660c492b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-markbates-oncer
 * [new ref]         588226c221242a808e9e0e4e695657b660c492b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 588226c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild