From b1aa91eeb72c5a798dd92bae2646ec9f4599ecb6 Mon Sep 17 00:00:00 2001
From: "Robert (Jamie) Munro" <jamie@diffblue.com>
Date: Wed, 25 Apr 2018 13:00:49 +0000
Subject: [PATCH 1/3] Use git rev-parse --git-dir to find a git dir

---
 lib/git-hooks.js | 25 ++++++++-----------------
 1 file changed, 8 insertions(+), 17 deletions(-)

diff --git a/lib/git-hooks.js b/lib/git-hooks.js
index 1f98e63..2c720f7 100644
--- a/lib/git-hooks.js
+++ b/lib/git-hooks.js
@@ -1,6 +1,7 @@
 var path = require('path');
 var util = require('util');
 var spawn = require('child_process').spawn;
+var execSync = require('child_process').execSync;
 var fs = require('fs');
 var fsHelpers = require('./fs-helpers');
 
@@ -165,27 +166,17 @@ function spawnHook(hookName, args) {
 }
 
 /**
- * Returns the closest git directory.
- * It starts looking from the current directory and does it up to the fs root.
- * It returns undefined in case where the specified directory isn't found.
+ * Runs git rev-parse to find the git directory of the currentPath.
  *
  * @param {String} [currentPath] Current started path to search.
  * @returns {String|undefined}
  */
 function getClosestGitPath(currentPath) {
-    currentPath = currentPath || process.cwd();
-
-    var dirnamePath = path.join(currentPath, '.git');
-
-    if (fsHelpers.exists(dirnamePath)) {
-        return dirnamePath;
-    }
-
-    var nextPath = path.resolve(currentPath, '..');
-
-    if (nextPath === currentPath) {
-        return;
+    try {
+        var result = execSync('git rev-parse --git-dir', {cwd: currentPath}).toString();
+        return result.replace(/\n/g, '');
+    } catch (error) {
+        // No git dir?
+        return undefined;
     }
-
-    return getClosestGitPath(nextPath);
 }

From 3f0203a41a64f645bf559deb4f4901665aead1b6 Mon Sep 17 00:00:00 2001
From: "Robert (Jamie) Munro" <jamie@diffblue.com>
Date: Wed, 25 Apr 2018 14:13:45 +0100
Subject: [PATCH 2/3] Exit code is 128 for no git dir

---
 lib/git-hooks.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/git-hooks.js b/lib/git-hooks.js
index 2c720f7..325798b 100644
--- a/lib/git-hooks.js
+++ b/lib/git-hooks.js
@@ -176,7 +176,11 @@ function getClosestGitPath(currentPath) {
         var result = execSync('git rev-parse --git-dir', {cwd: currentPath}).toString();
         return result.replace(/\n/g, '');
     } catch (error) {
-        // No git dir?
-        return undefined;
+        if (error.status === 128) {
+            // No git dir?
+            return undefined;
+        }
+        // Throw any other errors
+        throw error;
     }
 }

From 4b1ac7ca6dd87c24deb60613a56d435921a17154 Mon Sep 17 00:00:00 2001
From: "Robert (Jamie) Munro" <jamie@diffblue.com>
Date: Wed, 25 Apr 2018 14:14:01 +0100
Subject: [PATCH 3/3] Always return full path to git dir

---
 lib/git-hooks.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/git-hooks.js b/lib/git-hooks.js
index 325798b..aa5b9c2 100644
--- a/lib/git-hooks.js
+++ b/lib/git-hooks.js
@@ -173,7 +173,7 @@ function spawnHook(hookName, args) {
  */
 function getClosestGitPath(currentPath) {
     try {
-        var result = execSync('git rev-parse --git-dir', {cwd: currentPath}).toString();
+        var result = execSync('git rev-parse --absolute-git-dir', {cwd: currentPath}).toString();
         return result.replace(/\n/g, '');
     } catch (error) {
         if (error.status === 128) {