$ git clone -n https://src.fedoraproject.org/rpms/golang-github-martini.git /var/lib/mock/f40-build-2446928-61328/root/chroot_tmpdir/scmroot/golang-github-martini
Cloning into '/var/lib/mock/f40-build-2446928-61328/root/chroot_tmpdir/scmroot/golang-github-martini'...
$ git fetch origin cf0746e44e95936b0c0e8ae7e856d1489ff3560d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-martini
 * [new ref]         cf0746e44e95936b0c0e8ae7e856d1489ff3560d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf0746e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild