$ git clone -n https://src.fedoraproject.org/rpms/golang-gopkg-asn1-ber-1.git /var/lib/mock/f40-build-2579023-62338/root/chroot_tmpdir/scmroot/golang-gopkg-asn1-ber-1
Cloning into '/var/lib/mock/f40-build-2579023-62338/root/chroot_tmpdir/scmroot/golang-gopkg-asn1-ber-1'...
$ git fetch origin b9e9a50e5c3a5bf1e7df20e338b87ec26776d83a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-gopkg-asn1-ber-1
 * [new ref]         b9e9a50e5c3a5bf1e7df20e338b87ec26776d83a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9e9a50 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild