Move build and publish to jenkins

Author: yershalom

.gitignore

@@ -4,3 +4,4 @@ npm-debug.log
 .idea
 yarn.lock
 .vscode
+package-lock.json

.travis.yml

@@ -5,7 +5,8 @@
   "description": "React Native Calendar Components",
   "scripts": {
     "test": "jasmine src/*.spec.js && npm run lint",
-    "lint": "eslint src/ example/src"
+    "lint": "eslint src/ example/src",
+    "release": "node ./scripts/release.js"
   },
   "repository": {
     "type": "git",
@@ -27,6 +28,8 @@
     "eslint": "^3.19.0",
     "eslint-plugin-react": "^7.0.0",
     "jasmine": "^2.5.2",
+    "semver": "5.x.x",
+    "shell-utils": "1.x.x",
     "react": "16.6.0-alpha.8af6728",
     "react-native": "0.57.4"
   }

package.json

@@ -0,0 +1,97 @@
+/* eslint-disable no-console */
+const exec = require('shell-utils').exec;
+const semver = require('semver');
+const fs = require('fs');
+const _ = require('lodash');
+
+const ONLY_ON_BRANCH = 'origin/master';
+const VERSION_TAG = 'latest';
+const VERSION_INC = 'minor';
+
+function run() {
+  if (!validateEnv()) {
+    return;
+  }
+  setupGit();
+  createNpmRc();
+  versionTagAndPublish();
+}
+
+function validateEnv() {
+  if (!process.env.JENKINS_CI) {
+    throw new Error('releasing is only available from CI');
+  }
+
+  if (!process.env.JENKINS_MASTER) {
+    console.log('not publishing on a different build');
+    return false;
+  }
+
+  if (process.env.GIT_BRANCH !== ONLY_ON_BRANCH) {
+    console.log(`not publishing on branch ${process.env.GIT_BRANCH}`);
+    return false;
+  }
+
+  return true;
+}
+
+function setupGit() {
+  exec.execSyncSilent('git config --global push.default simple');
+  exec.execSyncSilent(`git config --global user.email "${process.env.GIT_EMAIL}"`);
+  exec.execSyncSilent(`git config --global user.name "${process.env.GIT_USER}"`);
+  const remoteUrl = new RegExp('https?://(\\S+)').exec(exec.execSyncRead('git remote -v'))[1];
+  exec.execSyncSilent(`git remote add deploy "https://${process.env.GIT_USER}:${process.env.GIT_TOKEN}@${remoteUrl}"`);
+  exec.execSync(`git checkout ${ONLY_ON_BRANCH}`);
+}
+
+function createNpmRc() {
+  exec.execSync('rm -f package-lock.json');
+  const content = `
+email=\${NPM_EMAIL}
+//registry.npmjs.org/:_authToken=\${NPM_TOKEN}
+`;
+  fs.writeFileSync('.npmrc', content);
+}
+
+function versionTagAndPublish() {
+  const packageVersion = semver.clean(process.env.npm_package_version);
+  console.log(`package version: ${packageVersion}`);
+
+  const currentPublished = findCurrentPublishedVersion();
+  console.log(`current published version: ${currentPublished}`);
+
+  const version = semver.gt(packageVersion, currentPublished) ? packageVersion : semver.inc(currentPublished, VERSION_INC);
+  tryPublishAndTag(version);
+}
+
+function findCurrentPublishedVersion() {
+  return exec.execSyncRead(`npm view ${process.env.npm_package_name} dist-tags.${VERSION_TAG}`);
+}
+
+function tryPublishAndTag(version) {
+  let theCandidate = version;
+  for (let retry = 0; retry < 5; retry++) {
+    try {
+      tagAndPublish(theCandidate);
+      console.log(`Released ${theCandidate}`);
+      return;
+    } catch (err) {
+      const alreadyPublished = _.includes(err.toString(), 'You cannot publish over the previously published version');
+      if (!alreadyPublished) {
+        throw err;
+      }
+      console.log(`previously published. retrying with increased ${VERSION_INC}...`);
+      theCandidate = semver.inc(theCandidate, VERSION_INC);
+    }
+  }
+}
+
+function tagAndPublish(newVersion) {
+  console.log(`trying to publish ${newVersion}...`);
+  exec.execSync(`npm --no-git-tag-version --allow-same-version version ${newVersion}`);
+  exec.execSyncRead(`npm publish --tag ${VERSION_TAG}`);
+  exec.execSync(`git tag -a ${newVersion} -m "${newVersion}"`);
+  exec.execSyncSilent(`git push deploy ${newVersion} || true`);
+}
+
+run();