$ git clone -n https://src.fedoraproject.org/rpms/pipepanic.git /var/lib/mock/f41-build-889675-16837/root/chroot_tmpdir/scmroot/pipepanic
Cloning into '/var/lib/mock/f41-build-889675-16837/root/chroot_tmpdir/scmroot/pipepanic'...
$ git fetch origin 66881cad508d79e61133e302d8328bafcf7ffb86:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pipepanic
 * [new ref]         66881cad508d79e61133e302d8328bafcf7ffb86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66881ca Eliminate use of obsolete %patchN syntax (#2283636)