$ git clone -n https://src.fedoraproject.org/rpms/stellarsolver.git /var/lib/mock/f40-build-793160-138794/root/chroot_tmpdir/scmroot/stellarsolver
Cloning into '/var/lib/mock/f40-build-793160-138794/root/chroot_tmpdir/scmroot/stellarsolver'...
$ git fetch origin b985d3e3fdc3269e32f3c1404aa92e4bc1f42045:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stellarsolver
 * [new ref]         b985d3e3fdc3269e32f3c1404aa92e4bc1f42045 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b985d3e Rebuild for libwcs soname bump after mass rebuild