$ git clone -n https://src.fedoraproject.org/rpms/golang-github-lestrrat-backoff-2.git /var/lib/mock/f40-build-2580743-62383/root/chroot_tmpdir/scmroot/golang-github-lestrrat-backoff-2
Cloning into '/var/lib/mock/f40-build-2580743-62383/root/chroot_tmpdir/scmroot/golang-github-lestrrat-backoff-2'...
$ git fetch origin 56028124dd0f0c9b7bd7a8992a81c06ae0059b60:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-lestrrat-backoff-2
 * [new ref]         56028124dd0f0c9b7bd7a8992a81c06ae0059b60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5602812 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild