fix: use npm bin from deps instead of global

lib/add-channel.js

@@ -2,6 +2,7 @@ const execa = require('execa');
 const getRegistry = require('./get-registry');
 const getChannel = require('./get-channel');
 const getReleaseInfo = require('./get-release-info');
+const getNpm = require('./get-npm');
 
 module.exports = async (npmrc, {npmPublish}, pkg, context) => {
   const {
@@ -19,7 +20,7 @@ module.exports = async (npmrc, {npmPublish}, pkg, context) => {
 
     logger.log(`Adding version ${version} to npm registry on dist-tag ${distTag}`);
     const result = execa(
-      'npm',
+      getNpm(),
       ['dist-tag', 'add', `${pkg.name}@${version}`, distTag, '--userconfig', npmrc, '--registry', registry],
       {
         cwd,

lib/get-npm.js

@@ -0,0 +1,8 @@
+const {resolve} = require('path');
+const isWindows = () => /^(msys|cygwin)$/.test(process.env.OSTYPE) || process.platform === 'win32';
+
+module.exports = () => {
+  const cmd = isWindows() ? 'npm.cmd' : 'npm';
+
+  return resolve(require.resolve('npm'), '../../../.bin', cmd);
+};

lib/prepare.js

@@ -1,14 +1,15 @@
 const path = require('path');
 const {move} = require('fs-extra');
 const execa = require('execa');
+const getNpm = require('./get-npm');
 
 module.exports = async (npmrc, {tarballDir, pkgRoot}, {cwd, env, stdout, stderr, nextRelease: {version}, logger}) => {
   const basePath = pkgRoot ? path.resolve(cwd, pkgRoot) : cwd;
 
   logger.log('Write version %s to package.json in %s', version, basePath);
 
   const versionResult = execa(
-    'npm',
+    getNpm(),
     ['version', version, '--userconfig', npmrc, '--no-git-tag-version', '--allow-same-version'],
     {
       cwd: basePath,

lib/publish.js

@@ -1,5 +1,6 @@
 const path = require('path');
 const execa = require('execa');
+const getNpm = require('./get-npm');
 const getRegistry = require('./get-registry');
 const getChannel = require('./get-channel');
 const getReleaseInfo = require('./get-release-info');
@@ -18,13 +19,13 @@ module.exports = async (npmrc, {npmPublish, pkgRoot}, pkg, context) => {
     const basePath = pkgRoot ? path.resolve(cwd, pkgRoot) : cwd;
     const registry = getRegistry(pkg, context);
     const distTag = getChannel(channel);
+    const npm = getNpm();
 
     logger.log(`Publishing version ${version} to npm registry on dist-tag ${distTag}`);
-    const result = execa(
-      'npm',
-      ['publish', basePath, '--userconfig', npmrc, '--tag', distTag, '--registry', registry],
-      {cwd, env}
-    );
+    const result = execa(npm, ['publish', basePath, '--userconfig', npmrc, '--tag', distTag, '--registry', registry], {
+      cwd,
+      env,
+    });
     result.stdout.pipe(stdout, {end: false});
     result.stderr.pipe(stderr, {end: false});
     await result;

lib/verify-auth.js

@@ -3,6 +3,7 @@ const normalizeUrl = require('normalize-url');
 const AggregateError = require('aggregate-error');
 const getError = require('./get-error');
 const getRegistry = require('./get-registry');
+const getNpm = require('./get-npm');
 const setNpmrcAuth = require('./set-npmrc-auth');
 
 module.exports = async (npmrc, pkg, context) => {
@@ -18,7 +19,7 @@ module.exports = async (npmrc, pkg, context) => {
 
   if (normalizeUrl(registry) === normalizeUrl(DEFAULT_NPM_REGISTRY)) {
     try {
-      const whoamiResult = execa('npm', ['whoami', '--userconfig', npmrc, '--registry', registry], {cwd, env});
+      const whoamiResult = execa(getNpm(), ['whoami', '--userconfig', npmrc, '--registry', registry], {cwd, env});
       whoamiResult.stdout.pipe(stdout, {end: false});
       whoamiResult.stderr.pipe(stderr, {end: false});
       await whoamiResult;

test/get-npm.test.js

@@ -0,0 +1,23 @@
+const {resolve} = require('path');
+const test = require('ava');
+const getNpm = require('../lib/get-npm');
+
+let ostype;
+
+test.before(() => {
+  ostype = process.env.OSTYPE;
+});
+
+test.after(() => {
+  process.env.OSTYPE = ostype;
+});
+
+test.serial('Get npm cmd for linux', (t) => {
+  process.env.OSTYPE = 'linux';
+  t.is(getNpm(), resolve(__dirname, '../node_modules/.bin/npm'));
+});
+
+test.serial('Get npm cmd for windows', (t) => {
+  process.env.OSTYPE = 'msys';
+  t.is(getNpm(), resolve(__dirname, '../node_modules/.bin/npm.cmd'));
+});