$ git clone -n https://src.fedoraproject.org/rpms/pappl.git /var/lib/mock/f41-build-side-1-2650375-27586/root/chroot_tmpdir/scmroot/pappl
Cloning into '/var/lib/mock/f41-build-side-1-2650375-27586/root/chroot_tmpdir/scmroot/pappl'...
$ git fetch origin c355bba65abfeb9cc78421dc7db5a1138c6b3371:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pappl
 * [new ref]         c355bba65abfeb9cc78421dc7db5a1138c6b3371 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c355bba have to rebuilt in side-tag to avoid crashes