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 $/ }
  46 s{^((\#\!.*?\n|\n*---\n.*?\n\.\.\.\n)\n?)?}{${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 git ls-files -z ${@} | \
  53     while read -rd $'\000' fnm
  54     do
  55         grepAfter=2
  56         grepBefore=0
  57         cs=
  58         cc=
  59         ce=
  60         fixer=
  61         if [[ ! -f ${fnm} ]] || [[ -L ${fnm} ]] || [[ ! -s ${fnm} ]]
  62         then
  63             continue
  64         fi
  65
  66         ignore=
  67         for pattern in "${ignores[@]}"
  68         do
  69             if [[ ${fnm} == ${pattern} ]]
  70             then
  71                 ignore=1
  72             fi
  73         done
  74         if [[ ${ignore} = 1 ]]; then continue; fi
  75
  76         case ${fnm} in
  77             Makefile | */Makefile \
  78                 | *.dockerfile | */Dockerfile.* | */Dockerfile | *.dockerignore \
  79                 | */MANIFEST.in | */fuse.conf | */gitolite.rc \
  80                 | *.pl | *.pm | *.PL \
  81                 | *.rb | *.rb.example | *.rake | *.ru \
  82                 | *.gemspec | */Gemfile | */Rakefile \
  83                 | services/login-sync/bin/* \
  84                 | sdk/cli/bin/* \
  85                 | *.py \
  86                 | sdk/python/bin/arv-* \
  87                 | sdk/cwl/bin/* \
  88                 | services/nodemanager/bin/* \
  89                 | services/fuse/bin/* \
  90                 | tools/crunchstat-summary/bin/* \
  91                 | crunch_scripts/* \
  92                 | *.yaml | *.yml | *.yml.example | *.cwl \
  93                 | *.sh | *.service \
  94                 | */run | */run-service | */restart-dns-server \
  95                 | */nodemanager/doc/*.cfg \
  96                 | */nodemanager/tests/fake*.cfg.template \
  97                 | */nginx.conf \
  98                 | build/build.list)
  99                 fixer=fixer
 100                 cc="#"
 101                 ;;
 102             *.md)
 103                 fixer=fixer
 104                 cc="[//]: #"
 105                 ;;
 106             *.rst)
 107                 fixer=fixer
 108                 cc=".."
 109                 ;;
 110             *.erb)
 111                 fixer=fixer
 112                 cs="<%# "
 113                 cc=""
 114                 ce=" %>"
 115                 ;;
 116             *.liquid)
 117                 fixer=fixer
 118                 cs=$'{% comment %}\n'
 119                 cc=""
 120                 ce=$'\n{% endcomment %}'
 121                 grepAfter=3
 122                 grepBefore=1
 123                 ;;
 124             *.textile)
 125                 fixer=fixer
 126                 cs="###. "
 127                 cc="...."
 128                 ce=
 129                 ;;
 130             *.css)
 131                 fixer=fixer
 132                 cs="/* "
 133                 cc=""
 134                 ce=" */"
 135                 ;;
 136             *.go | *.scss | *.java | *.js | *.coffee)
 137                 fixer=fixer
 138                 cc="//"
 139                 ;;
 140             *.sql)
 141                 fixer=fixer
 142                 cc="--"
 143                 ;;
 144             *.html | *.svg)
 145                 fixer=fixer
 146                 cs="<!-- "
 147                 cc=""
 148                 ce=" -->"
 149                 ;;
 150             *)
 151                 cc="#"
 152                 hashbang=$(head -n1 ${fnm})
 153                 if [[ ${hashbang} = "#!/bin/sh" ]] ||  [[ ${hashbang} = "#!/bin/bash" ]]
 154                 then
 155                     fixer=fixer
 156                 fi
 157                 ;;
 158         esac
 159         wantGPL="${cs:-${cc}${cc:+ }}Copyright (C) The Arvados Authors. All rights reserved.
 160 ${cc}
 161 ${cc}${cc:+ }SPDX-License-Identifier: AGPL-3.0${ce}"
 162         wantApache="${cs:-${cc}${cc:+ }}Copyright (C) The Arvados Authors. All rights reserved.
 163 ${cc}
 164 ${cc}${cc:+ }SPDX-License-Identifier: Apache-2.0${ce}"
 165         wantBYSA="${cs:-${cc}${cc:+ }}Copyright (C) The Arvados Authors. All rights reserved.
 166 ${cc}
 167 ${cc}${cc:+ }SPDX-License-Identifier: CC-BY-SA-3.0${ce}"
 168         found=$(head -n20 "$fnm" | egrep -A${grepAfter} -B${grepBefore} 'Copyright.*Arvados' || true)
 169         case ${fnm} in
 170             Makefile | build/* | lib/* | tools/* | apps/* | services/*)
 171                 want=${wantGPL}
 172                 ;;
 173             crunch_scripts/* | backports/* | docker/* | sdk/*)
 174                 want=${wantApache}
 175                 ;;
 176             README.md | doc/*)
 177                 want=${wantBYSA}
 178                 ;;
 179             *)
 180                 want=
 181                 ;;
 182         esac
 183         case "$found" in
 184             "$wantGPL")
 185                 ;;
 186             "$wantApache")
 187                 ;;
 188             "$wantBYSA")
 189                 ;;
 190             "")
 191                 if [[ -z ${found} ]] && [[ -n ${want} ]] && [[ $fix = true ]] && [[ $fixer != "" ]]
 192                 then
 193                     ${fixer} ${fnm}
 194                 else
 195                     echo "missing copyright notice: $fnm"
 196                     result=1
 197                 fi
 198                 ;;
 199             *)
 200                 echo "nonstandard copyright notice: $fnm '${found}'"
 201                 result=1
 202                 ;;
 203         esac
 204     done
 205 exit $result