$ git clone -n https://src.fedoraproject.org/rpms/golang-uber-fx.git /var/lib/mock/f40-build-2002938-44777/root/chroot_tmpdir/scmroot/golang-uber-fx
Cloning into '/var/lib/mock/f40-build-2002938-44777/root/chroot_tmpdir/scmroot/golang-uber-fx'...
$ git fetch origin 81d7ac8bdd2fb985be7d7a0233eda6329bc7e8fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-uber-fx
 * [new ref]         81d7ac8bdd2fb985be7d7a0233eda6329bc7e8fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81d7ac8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild