pkgs/build-support/node/fetch-yarn-deps/yarn-install-hook.sh

   1 # shellcheck shell=bash
   2
   3 yarnInstallHook() {
   4     echo "Executing yarnInstallHook"
   5
   6     runHook preInstall
   7
   8     local -r packageOut="$out/lib/node_modules/$(@jq@ --raw-output '.name' ./package.json)"
   9     mkdir -p "$packageOut"
  10
  11     local -ar yarnArgs=(
  12         --ignore-engines
  13         --ignore-platform
  14         --ignore-scripts
  15         --no-progress
  16         --non-interactive
  17         --offline
  18     )
  19
  20     local -r tmpDir="$(mktemp -d)"
  21
  22     # yarn pack does not work at all with bundleDependencies.
  23     # Since we are imediately unpacking, we can just remove them from package.json
  24     # This will NOT be fixed in yarn v1: https://github.com/yarnpkg/yarn/issues/6794
  25     mv ./package.json "$tmpDir/package.json.orig"
  26     # Note: two spellings are accepted, 'bundleDependencies' and 'bundledDependencies'
  27     @jq@ 'del(.bundleDependencies)|del(.bundledDependencies)' "$tmpDir/package.json.orig" > ./package.json
  28
  29     # TODO: figure out a way to avoid redundant compress/decompress steps
  30     yarn pack \
  31         --filename "$tmpDir/yarn-pack.tgz" \
  32         "${yarnArgs[@]}"
  33
  34     tar xzf "$tmpDir/yarn-pack.tgz" \
  35         -C "$packageOut" \
  36         --strip-components 1 \
  37         package/
  38
  39     mv "$tmpDir/package.json.orig" ./package.json
  40
  41     nodejsInstallExecutables ./package.json
  42
  43     nodejsInstallManuals ./package.json
  44
  45     local -r nodeModulesPath="$packageOut/node_modules"
  46
  47     if [ ! -d "$nodeModulesPath" ]; then
  48         if [ -z "${yarnKeepDevDeps-}" ]; then
  49             # Yarn has a 'prune' command, but it's only a stub that directs you to use install
  50             if ! yarn install \
  51                 --frozen-lockfile \
  52                 --force \
  53                 --production=true \
  54                 "${yarnArgs[@]}"
  55             then
  56               echo
  57               echo
  58               echo "ERROR: yarn prune step failed"
  59               echo
  60               echo 'If yarn tried to download additional dependencies above, try setting `yarnKeepDevDeps = true`.'
  61               echo
  62
  63               exit 1
  64             fi
  65         fi
  66
  67         find node_modules -maxdepth 1 -type d -empty -delete
  68
  69         cp -r node_modules "$nodeModulesPath"
  70     fi
  71
  72     runHook postInstall
  73
  74     echo "Finished yarnInstallHook"
  75 }
  76
  77 if [ -z "${dontYarnInstall-}" ] && [ -z "${installPhase-}" ]; then
  78     installPhase=yarnInstallHook
  79 fi