$ git clone -n https://src.fedoraproject.org/rpms/python-emcee.git /var/lib/mock/f39-build-1796580-41761/root/chroot_tmpdir/scmroot/python-emcee
Cloning into '/var/lib/mock/f39-build-1796580-41761/root/chroot_tmpdir/scmroot/python-emcee'...
$ git fetch origin 7a7e38b1ca512479ad453d2e7882281e92062231:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-emcee
 * [new ref]         7a7e38b1ca512479ad453d2e7882281e92062231 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a7e38b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild