github.com/containerd/nerdctl@v1.7.7/hack/verify-no-patent.sh (about)

     1  #!/bin/bash
     2  
     3  #   Copyright The containerd Authors.
     4  
     5  #   Licensed under the Apache License, Version 2.0 (the "License");
     6  #   you may not use this file except in compliance with the License.
     7  #   You may obtain a copy of the License at
     8  
     9  #       http://www.apache.org/licenses/LICENSE-2.0
    10  
    11  #   Unless required by applicable law or agreed to in writing, software
    12  #   distributed under the License is distributed on an "AS IS" BASIS,
    13  #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  #   See the License for the specific language governing permissions and
    15  #   limitations under the License.
    16  
    17  echo "Verifying that the patented NewARC() is NOT compiled in (https://github.com/hashicorp/golang-lru/blob/v0.5.4/arc.go#L15)"
    18  set -eux -o pipefail
    19  
    20  # Clear GO_BUILD_LDFLAGS to embed the symbols
    21  GO_BUILD_LDFLAGS="" make
    22  go tool nm ./_output/nerdctl >_output/nerdctl.sym
    23  
    24  if ! grep -w -F main.main ./_output/nerdctl.sym; then
    25  	echo >&2 "ERROR: the symbol file seems corrupted"
    26  	exit 1
    27  fi
    28  
    29  if grep -w NewARC ./_output/nerdctl.sym; then
    30  	echo >&2 "ERROR: patented NewARC() might be compiled in?"
    31  	exit 1
    32  fi
    33  
    34  echo "OK"