$ git clone -n https://src.fedoraproject.org/rpms/python-uc-micro-py.git /var/lib/mock/f39-build-1529837-36195/root/chroot_tmpdir/scmroot/python-uc-micro-py
Cloning into '/var/lib/mock/f39-build-1529837-36195/root/chroot_tmpdir/scmroot/python-uc-micro-py'...
$ git fetch origin ba433fc41cc39dfb1443bc6e1bddac35ced19275:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-uc-micro-py
 * [new ref]         ba433fc41cc39dfb1443bc6e1bddac35ced19275 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba433fc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild