1 files changed, 83 insertions, 0 deletions
diff --git a/tasks/util/git.js b/tasks/util/git.js
new file mode 100644
index 0000000..53e0237
--- /dev/null
+++ b/tasks/util/git.js
@@ -0,0 +1,83 @@
+var childProcess = require('child_process');
+
+module.exports = {
+  clean: function(callback) {
+    childProcess.exec('git diff-index --name-only HEAD --', {}, function(err, stdout) {
+      callback(undefined, !err && !stdout);
+    });
+  },
+
+  commitInfo: function(callback) {
+    module.exports.head(function(err, headSha) {
+      module.exports.master(function(err, masterSha) {
+        module.exports.tagName(function(err, tagName) {
+          callback(undefined, {
+            head: headSha,
+            master: masterSha,
+            tagName: tagName,
+            isMaster: headSha === masterSha
+          });
+        });
+      });
+    });
+  },
+
+  head: function(callback) {
+    childProcess.exec('git rev-parse --short HEAD', {}, function(err, stdout) {
+      if (err) {
+        throw err;
+      }
+
+      callback(undefined, stdout.trim());
+    });
+  },
+  master: function(callback) {
+    childProcess.exec('git rev-parse --short origin/master', {}, function(err, stdout) {
+      if (err) {
+        throw err;
+      }
+
+      callback(undefined, stdout.trim());
+    });
+  },
+
+  add: function(path, callback) {
+    childProcess.exec('git add -f ' + path, {}, function(err, stdout) {
+      if (err) {
+        throw err;
+      }
+
+      callback();
+    });
+  },
+  commit: function(name, callback) {
+    childProcess.exec('git commit --message=' + name, {}, function(err, stdout) {
+      if (err) {
+        throw err;
+      }
+
+      callback();
+    });
+  },
+  tag: function(name, callback) {
+    childProcess.exec('git tag -a --message=' + name + ' ' + name, {}, function(err, stdout, stderr) {
+      console.log(name, stdout, stderr);
+      if (err) {
+        throw err;
+      }
+
+      callback();
+    });
+  },
+  tagName: function(callback) {
+    childProcess.exec('git tag -l --points-at HEAD', {}, function(err, stdout) {
+      if (err) {
+        throw err;
+      }
+
+      var tags = stdout.trim().split(/\n/),
+          versionTags = tags.filter(function(tag) { return /^v/.test(tag); });
+      callback(undefined, versionTags[0] || tags[0]);
+    });
+  }
+};