build/check-copyright-notices

   1 #!/bin/bash
   2 # Copyright (C) The Arvados Authors. All rights reserved.
   3 #
   4 # SPDX-License-Identifier: AGPL-3.0
   5
   6 set -e
   7
   8 fix=false
   9 while [[ "${@}" != "" ]]
  10 do
  11     arg=${1}
  12     shift
  13     case ${arg} in
  14         --help)
  15             cat <<EOF
  16 Usage: $0 [--fix] [-- git-ls-args...]
  17
  18 Options:
  19
  20 --fix   Insert missing copyright notices where possible.
  21
  22 Git arguments:
  23
  24 Arguments after "--" are passed to \`git ls-files\`; this can be used to
  25 restrict the set of files to check.
  26
  27 EOF
  28             exit 2
  29             ;;
  30         --fix)
  31             fix=true
  32             ;;
  33         --)
  34             break
  35             ;;
  36         *)
  37             echo >&2 "Unrecognized argument '${arg}'. Try $0 --help"
  38             exit 2
  39             ;;
  40     esac
  41 done
  42
  43 fixer() {
  44     want="${want}" perl -pi~ - "${1}" <<'EOF'
  45 BEGIN { undef $/ }
  46 s{^((\#\!.*?\n|\n*---\n.*?\n\.\.\.\n|<\?xml.*?>\n)\n?)?}{${2}$ENV{want}\n\n}ms
  47 EOF
  48 }
  49
  50 IFS=$'\n' read -a ignores -r -d $'\000' <.licenseignore || true
  51 result=0
  52
  53 coproc git ls-files -z ${@} </dev/null
  54 while read -rd $'\000' fnm
  55 do
  56     grepAfter=2
  57     grepBefore=0
  58     cs=
  59     cc=
  60     ce=
  61     fixer=
  62     if [[ ! -f ${fnm} ]] || [[ -L ${fnm} ]] || [[ ! -s ${fnm} ]]
  63     then
  64         continue
  65     fi
  66
  67     ignore=
  68     for pattern in "${ignores[@]}"
  69     do
  70         if [[ ${fnm} == ${pattern} ]]
  71         then
  72             ignore=1
  73         fi
  74     done
  75     if [[ ${ignore} = 1 ]]; then continue; fi
  76
  77     case ${fnm} in
  78         Makefile | */Makefile \
  79             | *.dockerfile | */Dockerfile.* | */Dockerfile | *.dockerignore \
  80             | */MANIFEST.in | */fuse.conf | */gitolite.rc \
  81             | *.pl | *.pm | *.PL \
  82             | *.rb | *.rb.example | *.rake | *.ru \
  83             | *.gemspec | */Gemfile | */Rakefile \
  84             | services/login-sync/bin/* \
  85             | sdk/cli/bin/* \
  86             | *.py \
  87             | sdk/python/bin/arv-* \
  88             | sdk/cwl/bin/* \
  89             | services/nodemanager/bin/* \
  90             | services/fuse/bin/* \
  91             | tools/crunchstat-summary/bin/* \
  92             | crunch_scripts/* \
  93             | *.yaml | *.yml | *.yml.example | *.cwl \
  94             | *.sh | *.service \
  95             | */run | */run-service | */restart-dns-server \
  96             | */nodemanager/doc/*.cfg \
  97             | */nodemanager/tests/fake*.cfg.template \
  98             | */nginx.conf \
  99             | build/build.list | *.R)
 100             fixer=fixer
 101             cc="#"
 102             ;;
 103         *.md)
 104             fixer=fixer
 105             cc="[//]: #"
 106             ;;
 107         *.rst)
 108             fixer=fixer
 109             cc=".."
 110             ;;
 111         *.erb)
 112             fixer=fixer
 113             cs="<%# "
 114             cc=""
 115             ce=" %>"
 116             ;;
 117         *.liquid)
 118             fixer=fixer
 119             cs=$'{% comment %}\n'
 120             cc=""
 121             ce=$'\n{% endcomment %}'
 122             grepAfter=3
 123             grepBefore=1
 124             ;;
 125         *.textile)
 126             fixer=fixer
 127             cs="###. "
 128             cc="...."
 129             ce=
 130             ;;
 131         *.css)
 132             fixer=fixer
 133             cs="/* "
 134             cc=""
 135             ce=" */"
 136             ;;
 137         *.coffee)
 138             fixer=fixer
 139             cs="### "
 140             cc=""
 141             ce=" ###"
 142             ;;
 143         *.go | *.scss | *.java | *.js)
 144             fixer=fixer
 145             cc="//"
 146             ;;
 147         *.sql)
 148             fixer=fixer
 149             cc="--"
 150             ;;
 151         *.html | *.svg)
 152             fixer=fixer
 153             cs="<!-- "
 154             cc=""
 155             ce=" -->"
 156             ;;
 157         *)
 158             cc="#"
 159             hashbang=$(head -n1 ${fnm})
 160             if [[ ${hashbang} = "#!/bin/sh" ]] ||  [[ ${hashbang} = "#!/bin/bash" ]]
 161             then
 162                 fixer=fixer
 163             fi
 164             ;;
 165     esac
 166     wantGPL="${cs:-${cc}${cc:+ }}Copyright (C) The Arvados Authors. All rights reserved.
 167 ${cc}
 168 ${cc}${cc:+ }SPDX-License-Identifier: AGPL-3.0${ce}"
 169     wantApache="${cs:-${cc}${cc:+ }}Copyright (C) The Arvados Authors. All rights reserved.
 170 ${cc}
 171 ${cc}${cc:+ }SPDX-License-Identifier: Apache-2.0${ce}"
 172     wantBYSA="${cs:-${cc}${cc:+ }}Copyright (C) The Arvados Authors. All rights reserved.
 173 ${cc}
 174 ${cc}${cc:+ }SPDX-License-Identifier: CC-BY-SA-3.0${ce}"
 175     wantBYSAmd="[comment]: # (Copyright © The Arvados Authors. All rights reserved.)
 176 [comment]: # ()
 177 [comment]: # (SPDX-License-Identifier: CC-BY-SA-3.0)"
 178     found=$(head -n20 "$fnm" | egrep -A${grepAfter} -B${grepBefore} 'Copyright.*All rights reserved.' || true)
 179     case ${fnm} in
 180         Makefile | build/* | lib/* | tools/* | apps/* | services/* | sdk/cli/bin/crunch-job)
 181             want=${wantGPL}
 182             ;;
 183         crunch_scripts/* | backports/* | docker/* | sdk/*)
 184             want=${wantApache}
 185             ;;
 186         doc/*)
 187             want=${wantBYSA}
 188             ;;
 189         README.md)
 190             want=${wantBYSAmd}
 191             ;;
 192         *)
 193             want=
 194             ;;
 195     esac
 196     case "$found" in
 197         "$wantGPL")
 198             ;;
 199         "$wantApache")
 200             ;;
 201         "$wantBYSA")
 202             ;;
 203         "$wantBYSAmd")
 204             ;;
 205         "")
 206             if [[ -z ${found} ]] && [[ -n ${want} ]] && [[ $fix = true ]] && [[ $fixer != "" ]]
 207             then
 208                 ${fixer} ${fnm}
 209             else
 210                 echo "missing copyright notice: $fnm"
 211                 result=1
 212             fi
 213             ;;
 214         *)
 215             echo "nonstandard copyright notice: $fnm '${found}'"
 216             result=1
 217             ;;
 218     esac
 219 done <&${COPROC[0]}
 220 exit $result