big command factoring

src/js/commands/index.js

@@ -0,0 +1,108 @@
+var _ = require('underscore');
+var Q = require('q');
+
+var intl = require('../intl');
+
+var Errors = require('../util/errors');
+var GitError = Errors.GitError;
+var CommandResult = Errors.CommandResult;
+
+var Commands = {
+  commit: function(engine, command) {
+    var commandOptions = command.getSupportedMap();
+    command.acceptNoGeneralArgs();
+
+    if (commandOptions['-am'] && (
+        commandOptions['-a'] || commandOptions['-m'])) {
+      throw new GitError({
+        msg: intl.str('git-error-options')
+      });
+    }
+
+    var msg = null;
+    var args = null;
+    if (commandOptions['-a']) {
+      command.addWarning(intl.str('git-warning-add'));
+    }
+
+    if (commandOptions['-am']) {
+      args = commandOptions['-am'];
+      command.validateArgBounds(args, 1, 1, '-am');
+      msg = args[0];
+    }
+
+    if (commandOptions['-m']) {
+      args = commandOptions['-m'];
+      command.validateArgBounds(args, 1, 1, '-m');
+      msg = args[0];
+    }
+
+    var newCommit = engine.commit();
+    if (msg) {
+      msg = msg
+        .replace(/"/g, '"')
+        .replace(/^"/g, '')
+        .replace(/"$/g, '');
+
+      newCommit.set('commitMessage', msg);
+    }
+
+    var promise = engine.animationFactory.playCommitBirthPromiseAnimation(
+      newCommit,
+      engine.gitVisuals
+    );
+    engine.animationQueue.thenFinish(promise);
+  },
+
+  checkout: function(engine, command) {
+    var commandOptions = command.getSupportedMap();
+    var generalArgs = command.getGeneralArgs();
+
+    var args = null;
+    if (commandOptions['-b']) {
+      if (generalArgs.length) {
+        throw new GitError({
+          msg: intl.str('git-error-options')
+        });
+      }
+
+      // the user is really trying to just make a branch and then switch to it. so first:
+      args = commandOptions['-b'];
+      command.twoArgsImpliedHead(args, '-b');
+
+      var validId = engine.validateBranchName(args[0]);
+      engine.branch(validId, args[1]);
+      engine.checkout(validId);
+      return;
+    }
+
+    if (commandOptions['-']) {
+      // get the heads last location
+      var lastPlace = engine.HEAD.get('lastLastTarget');
+      if (!lastPlace) {
+        throw new GitError({
+          msg: intl.str('git-result-nothing')
+        });
+      }
+      engine.HEAD.set('target', lastPlace);
+      return;
+    }
+
+    if (commandOptions['-B']) {
+      args = commandOptions['-B'];
+      command.twoArgsImpliedHead(args, '-B');
+
+      engine.forceBranch(args[0], args[1]);
+      engine.checkout(args[0]);
+      return;
+    }
+
+    command.validateArgBounds(generalArgs, 1, 1);
+
+    engine.checkout(engine.crappyUnescape(generalArgs[0]));
+  },
+
+  noComma: 123
+};
+
+module.exports = Commands;