$ git clone -n https://src.fedoraproject.org/rpms/kf5-kconfig.git /var/lib/mock/f39-build-1493358-34539/root/chroot_tmpdir/scmroot/kf5-kconfig
Cloning into '/var/lib/mock/f39-build-1493358-34539/root/chroot_tmpdir/scmroot/kf5-kconfig'...
$ git fetch origin 91f930c6f953032d6ee6c3ca90dd151a94178cd1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kconfig
 * [new ref]         91f930c6f953032d6ee6c3ca90dd151a94178cd1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91f930c 5.111.0