node: started

.gitignore

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+node_modules

bin/creature

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+#!/usr/bin/env node
+
+const commander = require("commander");
+const program = new commander.Command();
+
+program
+  .command("start feature-words", "start a new feature")
+  .parse(process.argv);

bin/creature-start

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+#!/usr/bin/env node
+
+const commander = require("commander");
+const program = new commander.Command();
+
+const util = require("util");
+const exec = util.promisify(require("child_process").exec);
+
+program.parse(process.argv);
+
+function setCurrentBranch(dp) {
+  return exec(`git branch|grep '\*'|sed 's/\*\s*//'`)
+    .then(x => x.stdout.trim())
+    .then(x => Object.assign({}, dp, { currentBranch: x }));
+}
+
+function setStandardBranches(dp) {
+  return Object.assign({}, dp, { standardBranches: ["master", "release"] });
+}
+
+function validateCurrentBranch(dp) {
+  if (!dp.standardBranches.includes(dp.currentBranch)) {
+    throw `invalid base branch: ${dp.currentBranch}`;
+  } else {
+    return dp;
+  }
+}
+
+function validateFeatureBranch(dp) {
+  if (dp.standardBranches.includes(dp.featureName)) {
+    throw `invalid feature branch: ${dp.featureName}`;
+  } else {
+    return dp;
+  }
+}
+
+function setFeatureName(dp) {
+  const fn = program.args.join("-");
+  return Object.assign({}, dp, { featureName: fn });
+}
+
+function setPrefix(dp) {
+  const p = process.env.FEATURE_USER || process.env.USER;
+  return Object.assign({}, dp, { prefix: p });
+}
+
+function setFeatureBranch(dp) {
+  const fb = `${dp.prefix}-${dp.currentBranch}-${dp.featureName}`;
+  return Object.assign({}, dp, { featureBranch: fb });
+}
+
+const x = Promise.resolve({ program })
+  .then(setStandardBranches)
+  .then(setFeatureName)
+  .then(setPrefix)
+  .then(setCurrentBranch)
+  .then(validateCurrentBranch)
+  .then(setFeatureBranch)
+  .then(validateFeatureBranch)
+  .then(x => console.log("x", x))
+  .catch(err => console.error(err));

package-lock.json

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+{
+  "name": "git-utilities",
+  "version": "1.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "commander": {
+      "version": "2.20.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
+      "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ=="
+    }
+  }
+}

package.json

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+{
+  "name": "git-utilities",
+  "version": "1.0.0",
+  "description": "This is a collection of simple command-line scripts, bash aliases, and bash utilities that make using `git` even easier.",
+  "main": "index.js",
+  "directories": {
+    "lib": "lib"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/rkiel/git-utilities.git"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/rkiel/git-utilities/issues"
+  },
+  "homepage": "https://github.com/rkiel/git-utilities#readme",
+  "dependencies": {
+    "commander": "^2.20.0"
+  }
+}