$ git clone -n https://src.fedoraproject.org/rpms/golang-github-zeebo-hmux.git /var/lib/mock/f40-build-2002629-44740/root/chroot_tmpdir/scmroot/golang-github-zeebo-hmux
Cloning into '/var/lib/mock/f40-build-2002629-44740/root/chroot_tmpdir/scmroot/golang-github-zeebo-hmux'...
$ git fetch origin 61720ae9565b8d768be6b066c4b8587b9f758ff6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-zeebo-hmux
 * [new ref]         61720ae9565b8d768be6b066c4b8587b9f758ff6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61720ae Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild