Single cmd handling file, clone command

Author: whyleee

.gitignore

@@ -1,3 +1 @@
-node_modules
-tags
-.zedstate
+node_modules

bin/cli.js

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+
+var program = require('commander');
+var clone = require('../commands/clone');
+
+program
+  .version(require('git-node').version);
+
+program
+  .command('clone <url> [dir]')
+  .description('Clone a repository into a new directory')
+  .option('--ref <branch/tag/ref>', 'checkout to specefic branch, tag, or ref', 'HEAD')
+  .option('--depth <num>', 'do a shallow clone with num commits deep')
+  .option('--mirror', 'not supported yet (will act as a "git fetch")')
+  .option('-v, --verbose', 'show detailed output')
+  .action(function(url, dir, options) {
+    console.log('git clone %s to %s', url, dir);
+    console.log('mirror? ' + (options.mirror ? 'true' : 'false'));
+    clone(url, dir, options);
+  });
+
+  // .command("ls-remote <url>", "List remote refs")
+  // .command("fetch <url>", "Download objects and refs from another repository")
+  // .command("log", "Show local history")
+  // .command("export <target>", "Export tree at HEAD as real files to target")
+
+program.parse(process.argv);
+
+if (process.argv.length < 3) {
+  program.outputHelp();
+  process.exit(1);
+}

bin/jsgit.js

@@ -0,0 +1,91 @@
+#!/usr/bin/env node
+var git = require('git-node');
+var fs = require('fs');
+var path = require('path');
+var pathJoin = path.join;
+var mkdirp = require('mkdirp');
+
+function clone(url, dir, options) {
+  var remote = git.remote(url);
+  var target = dir || path.basename(remote.pathname, ".git");
+  var clonePath = target;
+  if (!options.mirror) target += '/.git';
+  var repo = git.repo(target);
+
+  var fetchOpts = {};
+  if (options.verbose) fetchOpts.onProgress = onProgress;
+  if (options.ref) fetchOpts.want = options.ref;
+  if (options.depth) fetchOpts.depth = parseInt(options.depth, 10);
+
+  if (!fs.existsSync(target)) {
+    mkdirp.sync(target);
+  }
+
+  if (options.mirror) {
+    console.log("Cloning %s into bare repository %s", url, target);
+  }
+  else {
+    console.log("Cloning %s to %s..", url, target);
+  }
+
+  repo.fetch(remote, fetchOpts, onFetch);
+
+  function onProgress(progress) {
+    process.stderr.write(progress);
+  }
+
+  function onFetch() {
+    if (!options.mirror) {
+      repo.resolveHashish(options.ref, function (err, hash) {
+        if (err) throw err;
+        repo.updateHead(hash, function (err) {
+          if (err) throw err;
+          // copied from export.js
+          var read;
+          repo.treeWalk("HEAD", function (err, stream) {
+            if (options.verbose) console.log('walking...');
+            if (err) throw err;
+            read = stream.read;
+            return read(function() {
+              read(onEntry);
+            });
+          });
+
+          function onEntry(err, entry) {
+            if (options.verbose) console.log('on entry...');
+            if (err) throw err;
+            if (!entry) return;
+            var path = pathJoin(clonePath, entry.path);
+            if (options.verbose) {
+              var colorPath = "\x1B[34m" + path.replace(/\//g, "\x1B[1;34m/\x1B[0;34m") + "\x1B[0m";
+              console.log("%s %s", entry.hash, colorPath);
+            }
+            if (entry.type === "tree") {
+              return fs.mkdir(path, onDone);
+            }
+            if (entry.type === "blob") {
+              return fs.writeFile(path, entry.body, onDone);
+            }
+            return read(onEntry);
+          }
+
+          function onDone(err) {
+            if (err) throw err;
+            return read(onEntry);
+          }
+        });
+      });
+    }
+
+    // create config with remote
+    fs.writeFile(target + '/config', '[remote "origin"]\r\n\turl = ' + url, function(err) {
+      if (err) throw err;
+      if (options.verbose) {
+        console.log('Created repo config');
+        console.log("Done.");
+      }
+    })
+  }
+}
+
+module.exports = clone;

commands/clone.js

@@ -4,11 +4,7 @@
   "description": "A command-line git client powered by js-git and node.js",
   "main": "index.js",
   "bin": {
-    "jsgit-fetch": "./bin/fetch.js",
-    "jsgit-log": "./bin/log.js",
-    "jsgit-export": "./bin/export.js",
-    "jsgit-ls-remote": "./bin/ls-remote.js",
-    "jsgit": "./bin/cli.js"
+    "jsgit": "./bin/jsgit.js"
   },
   "repository": {
     "type": "git",
@@ -19,7 +15,8 @@
   ],
   "dependencies": {
     "commander": "~2.0.0",
-    "git-node": "~0.1.1"
+    "git-node": "~0.1.1",
+    "mkdirp": "~0.3.5"
   },
   "devDependencies": {},
   "author": "Tim Caswell <[email protected]>",