$ git clone -n https://src.fedoraproject.org/rpms/ksh.git /var/lib/mock/f40-build-1036867-18696/root/chroot_tmpdir/scmroot/ksh
Cloning into '/var/lib/mock/f40-build-1036867-18696/root/chroot_tmpdir/scmroot/ksh'...
$ git fetch origin 55ccbd1c4ac564657d8a37f2d5ef994fe1af2b10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ksh
 * [new ref]         55ccbd1c4ac564657d8a37f2d5ef994fe1af2b10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55ccbd1 fix use of strdup on a NULL pointer