$ git clone -n https://src.fedoraproject.org/rpms/mingw-boost.git /var/lib/mock/f39-build-1461789-33283/root/chroot_tmpdir/scmroot/mingw-boost
Cloning into '/var/lib/mock/f39-build-1461789-33283/root/chroot_tmpdir/scmroot/mingw-boost'...
$ git fetch origin d00236fd10759e1e139810628c6c5e244121ae78:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-boost
 * [new ref]         d00236fd10759e1e139810628c6c5e244121ae78 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d00236f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild