diff --git a/types/git-branch-is/git-branch-is-tests.ts b/types/git-branch-is/git-branch-is-tests.ts
new file mode 100644
index 0000000000..4fe8fb1b31
--- /dev/null
+++ b/types/git-branch-is/git-branch-is-tests.ts
@@ -0,0 +1,39 @@
+/// <reference types="node" />
+
+import gitBranchIs = require('git-branch-is');
+
+gitBranchIs('master', (err, result) => {
+    if (err) console.error(err);
+    else console.log(result ? 'On master' : 'Not on master');
+});
+
+gitBranchIs('master').then(
+    result => {
+        console.log(result ? 'On master' : 'Not on master');
+    },
+    err => {
+        console.error(err);
+    },
+);
+
+gitBranchIs(branchName => {
+    return /^master$/.test(branchName);
+}).then(
+    result => {
+        console.log(result ? 'On master' : 'Not on master');
+    },
+    err => {
+        console.error(err);
+    },
+);
+
+gitBranchIs(branchName => {
+    return Promise.resolve(branchName === 'master');
+}).then(
+    result => {
+        console.log(result ? 'On master' : 'Not on master');
+    },
+    err => {
+        console.error(err);
+    },
+);
diff --git a/types/git-branch-is/index.d.ts b/types/git-branch-is/index.d.ts
new file mode 100644
index 0000000000..abb6bb1714
--- /dev/null
+++ b/types/git-branch-is/index.d.ts
@@ -0,0 +1,55 @@
+// Type definitions for git-branch-is 3.1
+// Project: https://github.com/kevinoid/git-branch-is
+// Definitions by: Piotr Błażejewicz (Peter Blazejewicz) <https://github.com/peterblazejewicz>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/**
+ * Checks that the current branch of a git repository has a given name
+ */
+declare function gitBranchIs(branchNameOrTest: BranchNameOrTest, options?: Options): Promise<boolean>;
+declare function gitBranchIs(branchNameOrTest: BranchNameOrTest, callback: Callback): void;
+declare function gitBranchIs(branchNameOrTest: BranchNameOrTest, options: Options, callback?: Callback): void;
+
+/**
+ * test function to apply to the branch name
+ */
+type BranchNameTest = (branchName: string) => boolean | Promise<boolean>;
+
+/**
+ * Expected name of current branch
+ * or a test function to apply to the branch name
+ */
+type BranchNameOrTest = string | BranchNameTest;
+/**
+ * function called with the return value of <code>branchNameOrTest</code> if it is a function,
+ * or the result of identity checking <code>branchNameOrTest</code> to the
+ * current branch name
+ */
+type Callback = (error: Error | null, result?: boolean) => void;
+
+/**
+ * Options for {@link gitBranchIs}.
+ */
+interface Options {
+    /**
+     * Current working directory where the branch name is
+     * tested
+     */
+    cwd?: string;
+    /**
+     * Extra arguments to pass to git
+     */
+    gitArgs?: string[];
+    /**
+     * Path to the repository (i.e.
+     * <code>--git-dir=</code> option to <code>git</code>).
+     */
+    gitDir?: string;
+    /**
+     * Git binary name or path to use (default:
+     * <code>'git'</code>).
+     */
+    gitPath?: string;
+}
+
+export = gitBranchIs;
diff --git a/types/git-branch-is/tsconfig.json b/types/git-branch-is/tsconfig.json
new file mode 100644
index 0000000000..35c667e9f0
--- /dev/null
+++ b/types/git-branch-is/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "git-branch-is-tests.ts"
+    ]
+}
diff --git a/types/git-branch-is/tslint.json b/types/git-branch-is/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/git-branch-is/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }