$ git clone -n https://src.fedoraproject.org/rpms/golang-github-lann-builder.git /var/lib/mock/f40-build-2288089-55767/root/chroot_tmpdir/scmroot/golang-github-lann-builder
Cloning into '/var/lib/mock/f40-build-2288089-55767/root/chroot_tmpdir/scmroot/golang-github-lann-builder'...
$ git fetch origin 0dc5f6b0dab119660b08f114653f4d7d15358d56:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-lann-builder
 * [new ref]         0dc5f6b0dab119660b08f114653f4d7d15358d56 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0dc5f6b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild