$ git clone -n https://src.fedoraproject.org/rpms/python-cmake-build-extension.git /var/lib/mock/f39-build-1529781-36194/root/chroot_tmpdir/scmroot/python-cmake-build-extension
Cloning into '/var/lib/mock/f39-build-1529781-36194/root/chroot_tmpdir/scmroot/python-cmake-build-extension'...
$ git fetch origin 3b4a4f8e67aba54de3b9e59f4354a78e31115583:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cmake-build-extension
 * [new ref]         3b4a4f8e67aba54de3b9e59f4354a78e31115583 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b4a4f8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild