$ git clone -n https://src.fedoraproject.org/rpms/golang-gvisor.git /var/lib/mock/f40-build-2691526-68139/root/chroot_tmpdir/scmroot/golang-gvisor
Cloning into '/var/lib/mock/f40-build-2691526-68139/root/chroot_tmpdir/scmroot/golang-gvisor'...
$ git fetch origin ed49f812d79eb823746993c38cdd958a745b599e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-gvisor
 * [new ref]         ed49f812d79eb823746993c38cdd958a745b599e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed49f81 Rebuild for golang 1.22.0