nixpkgs/pkgs/by-name/ya/yarn-berry/fetcher/yarn-berry-config-hook.sh

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yarnBerryConfigHook() {
echo "Executing yarnBerryConfigHook"
# Use a constant HOME directory
export HOME=$(mktemp -d)
if [[ -n "$yarnOfflineCache" ]]; then
offlineCache="$yarnOfflineCache"
fi
if [[ -z "$offlineCache" ]]; then
echo yarnBerryConfigHook: No yarnOfflineCache or offlineCache were defined\! >&2
exit 2
fi
local -r cacheLockfile="$offlineCache/yarn.lock"
local -r srcLockfile="$PWD/yarn.lock"
echo "Validating consistency between $srcLockfile and $cacheLockfile"
if ! @diff@ "$srcLockfile" "$cacheLockfile"; then
# If the diff failed, first double-check that the file exists, so we can
# give a friendlier error msg.
if ! [ -e "$srcLockfile" ]; then
echo
echo "ERROR: Missing yarn.lock from src. Expected to find it at: $srcLockfile"
echo "Hint: You can copy a vendored yarn.lock file via postPatch."
echo
exit 1
fi
if ! [ -e "$cacheLockfile" ]; then
echo
echo "ERROR: Missing lockfile from cache. Expected to find it at: $cacheLockfile"
echo
exit 1
fi
echo
echo "ERROR: fetchYarnDeps hash is out of date"
echo
echo "The yarn.lock in src is not the same as the in $offlineCache."
echo
echo "To fix the issue:"
echo '1. Use `lib.fakeHash` as the fetchYarnBerryDeps hash value'
echo "2. Build the derivation and wait for it to fail with a hash mismatch"
echo "3. Copy the 'got: sha256-' value back into the fetchYarnBerryDeps hash field"
echo
exit 1
fi
if [[ -n "$missingHashes" ]] || [[ -f "$offlineCache/missing-hashes.json" ]]; then
echo "Validating consistency of missing-hashes.json"
if [[ -z "$missingHashes" ]]; then
echo "You must specify missingHashes in your derivation"
exit 1
fi
if ! @diff@ "$missingHashes" "$offlineCache/missing-hashes.json"; then
exit 1
fi
fi
YARN_IGNORE_PATH=1 @yarn_offline@ config set enableTelemetry false
YARN_IGNORE_PATH=1 @yarn_offline@ config set enableGlobalCache false
# The cache needs to be writable in case yarn needs to re-pack any patch: or git dependencies
rm -rf ./.yarn/cache
mkdir -p ./.yarn
cp -r --reflink=auto $offlineCache/cache ./.yarn/cache
chmod u+w -R ./.yarn/cache
[ -d $offlineCache/checkouts ] && cp -r --reflink=auto $offlineCache/checkouts ./.yarn/checkouts
[ -d $offlineCache/checkouts ] && chmod u+w -R ./.yarn/checkouts
export npm_config_nodedir="@nodeSrc@"
export npm_config_node_gyp="@nodeGyp@"
YARN_IGNORE_PATH=1 @yarn_offline@ install --mode=skip-build --inline-builds
if [[ -z "${dontYarnBerryPatchShebangs-}" ]]; then
echo "Running patchShebangs in between the Link and the Build step..."
patchShebangs node_modules
fi
if ! [[ "$YARN_ENABLE_SCRIPTS" == "0" || "$YARN_ENABLE_SCRIPTS" == "false" ]]; then
YARN_IGNORE_PATH=1 @yarn_offline@ install --inline-builds
fi
echo "finished yarnBerryConfigHook"
}
if [[ -z "${dontYarnBerryInstallDeps-}" ]]; then
postConfigureHooks+=(yarnBerryConfigHook)
fi