added last commit id, fixes #12

.npmrc

@@ -0,0 +1 @@
+registry=http://registry.npmjs.org/

README.md

@@ -1,4 +1,4 @@
-# ggit v0.10.2
+# ggit v0.11.0
 
 > Local promise-returning git command wrappers
 
@@ -217,6 +217,20 @@ require('ggit')
 ```
 
 
+### lastCommitId
+
+Returns last commit id
+
+```js
+require('ggit')
+    .lastCommitId()
+    .then(function (str) {
+        // str is full SHA id string
+    })
+    .done();
+```
+
+
 
 
 

docs/last-commit-id.md

@@ -0,0 +1,12 @@
+## lastCommitId
+
+Returns last commit id
+
+```js
+require('ggit')
+    .lastCommitId()
+    .then(function (str) {
+        // str is full SHA id string
+    })
+    .done();
+```

docs/use.md

@@ -11,3 +11,4 @@
 {%= _.doc("./docs/tracked-files.md") %}
 {%= _.doc("./docs/commit-per-line.md") %}
 {%= _.doc("./docs/numstat.md") %}
+{%= _.doc("./docs/last-commit-id.md") %}

index.js

@@ -1,6 +1,6 @@
 var getOneLineLog = require('./src/get-one-line-log');
 
-module.exports = {
+var actions = {
 	getOneLineLog: getOneLineLog,
 	cloneRepo: require('./src/clone-repo'),
 	exec: require('./src/exec'),
@@ -12,18 +12,23 @@ module.exports = {
 	commits: require('./src/commits'),
 	trackedFiles: require('./src/tracked-source-files'),
 	commitPerLine: require('./src/commit-per-line'),
-	numstat: require('./src/commit-numstat')
+	numstat: require('./src/commit-numstat'),
+	lastCommitId: require('./src/last-commit-id')
 };
 
+module.exports = actions;
+
 if (!module.parent) {
+	/*
 	getOneLineLog({
 		n: 4,
 		remote: 'origin',
 		branch: 'master'
-	})
-	.done(function (stdout) {
-		console.log(stdout);
-	}, function (err) {
-		console.error(err);
-	});
+	})*/
+	actions.lastCommitId()
+		.done(function (stdout) {
+			console.log(stdout);
+		}, function (err) {
+			console.error(err);
+		});
 }

package.json

@@ -1,7 +1,7 @@
 {
   "name": "ggit",
   "description": "Local promise-returning git command wrappers",
-  "version": "0.10.2",
+  "version": "0.11.0",
   "author": "Gleb Bahmutov <gleb.bahmutov@gmail.com>",
   "bin": {
     "ggit": "./index.js"

src/last-commit-id.js

@@ -0,0 +1,17 @@
+require('lazy-ass');
+var check = require('check-more-types');
+var exec = require('./exec');
+
+/*
+Returns the last commit id
+*/
+function lastCommitId() {
+  var cmd = 'git log --format="%H" -n 1';
+  return exec(cmd)
+    .then(function (str) {
+      la(check.unemptyString(str), 'expected commit id string', str);
+      return str.trim();
+    });
+}
+
+module.exports = lastCommitId;