From 3f06d9b5a0fcad823f2a32774546925884e5c2fa Mon Sep 17 00:00:00 2001
From: David Taylor <tinystatemachine@gmail.com>
Date: Tue, 6 Dec 2016 14:34:22 +0000
Subject: [PATCH] githooks: just update submodule on ref changes

with deps now managed by the scm directly (the vendor submodule), we don't need to run glock or make during scm operations
---
 githooks/post-checkout | 6 +++---
 githooks/post-merge    | 4 +---
 githooks/post-rewrite  | 4 +---
 3 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/githooks/post-checkout b/githooks/post-checkout
index 499c13861858..993486d0b3e3 100755
--- a/githooks/post-checkout
+++ b/githooks/post-checkout
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 set -e
 
-[[ ! $GIT_REFLOG_ACTION =~ pull[[:space:]]+--rebase ]] && exit 0
-
-make .bootstrap
+if [ "$1" != "$2" ]; then # previous ref != new ref.
+  exec git submodule update --init
+fi
diff --git a/githooks/post-merge b/githooks/post-merge
index e006ae62e2d1..d7d7bbecf584 100755
--- a/githooks/post-merge
+++ b/githooks/post-merge
@@ -1,6 +1,4 @@
 #!/usr/bin/env bash
 set -e
 
-[[ ! $GIT_REFLOG_ACTION =~ pull ]] && exit 0
-
-make .bootstrap
+exec git submodule update --init
diff --git a/githooks/post-rewrite b/githooks/post-rewrite
index 537204e27804..d13de4d297a9 100755
--- a/githooks/post-rewrite
+++ b/githooks/post-rewrite
@@ -1,6 +1,4 @@
 #!/usr/bin/env bash
 set -e
 
-[[ ! $GIT_REFLOG_ACTION =~ rebase ]] && exit 0
-
-make .bootstrap
+# TODO(dt): do we want to submomdule update here?