$ git clone -n https://src.fedoraproject.org/rpms/libicns.git /var/lib/mock/f41-build-750631-13382/root/chroot_tmpdir/scmroot/libicns
Cloning into '/var/lib/mock/f41-build-750631-13382/root/chroot_tmpdir/scmroot/libicns'...
$ git fetch origin e28c4f4294e21d1ded992b5cb65a4f0f86e34e2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libicns
 * [new ref]         e28c4f4294e21d1ded992b5cb65a4f0f86e34e2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e28c4f4 Eliminate use of obsolete %patchN syntax (#2283636)