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#!/bin/bash
# Pushes the locally built Yarn version to npm
set -ex
version=`./dist/bin/yarn --version`
tarball="./artifacts/yarn-v$version.tar.gz"
# Ensure Yarn tarball was built
if [ ! -f "$tarball" ]; then
echo 'Could not find Yarn tarball; please re-run "yarn build-dist".'
exit 1
fi;
# Check if this version is already published to npm.
# Note: npm doesn't return a non-zero error code when "npm view" can't find a
# package, so we need to improvise by checking that the value is what we expect.
if [ "`npm view yarn@$version name`" = 'yarn' ]; then
echo "$version is already available on npm"
exit 0
fi;
# Determine if this is an RC or a stable release
release_type=`curl --compressed --fail https://release.yarnpkg.com/release_type/$version`
npm_flags=''
if [ "$release_type" = "rc" ]; then
npm_flags='--tag rc'
fi;
eval "npx npm@4 publish '$tarball' --access public $npm_flags"
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