$ git clone -n https://src.fedoraproject.org/rpms/rtklib.git /var/lib/mock/f39-build-1457893-33022/root/chroot_tmpdir/scmroot/rtklib
Cloning into '/var/lib/mock/f39-build-1457893-33022/root/chroot_tmpdir/scmroot/rtklib'...
$ git fetch origin f306d6098fd6bf0cb62e2153b08a583d58c8989c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rtklib
 * [new ref]         f306d6098fd6bf0cb62e2153b08a583d58c8989c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f306d60 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild