$ git clone -n https://src.fedoraproject.org/rpms/python-aiomqtt.git /var/lib/mock/f39-build-1555842-37136/root/chroot_tmpdir/scmroot/python-aiomqtt
Cloning into '/var/lib/mock/f39-build-1555842-37136/root/chroot_tmpdir/scmroot/python-aiomqtt'...
$ git fetch origin 2d2ce6f00cc27ad8c4375703d3953cd431dbc6a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-aiomqtt
 * [new ref]         2d2ce6f00cc27ad8c4375703d3953cd431dbc6a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d2ce6f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild