$ git clone -n https://src.fedoraproject.org/rpms/golang-x-mobile.git /var/lib/mock/f40-build-2363295-60368/root/chroot_tmpdir/scmroot/golang-x-mobile
Cloning into '/var/lib/mock/f40-build-2363295-60368/root/chroot_tmpdir/scmroot/golang-x-mobile'...
$ git fetch origin 1151c9e242fd590dc76faadfff70dc8a0ea4f87c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-mobile
 * [new ref]         1151c9e242fd590dc76faadfff70dc8a0ea4f87c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1151c9e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild