From 67f003db6aed2fd72313def3ca4266ca7d3b7b88 Mon Sep 17 00:00:00 2001
From: Martin Trojer <mtrojer@fb.com>
Date: Thu, 10 Sep 2020 04:29:00 -0700
Subject: [PATCH] [FCP] make sure the clang-hash uses relative paths

Summary: Need to use relative paths in order to make the hash consistent across machines

Reviewed By: ngorogiannis

Differential Revision: D23623726

fbshipit-source-id: 44f750658
---
 facebook-clang-plugins/clang/setup.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/facebook-clang-plugins/clang/setup.sh b/facebook-clang-plugins/clang/setup.sh
index 5ab18f3b2..738bea3a8 100755
--- a/facebook-clang-plugins/clang/setup.sh
+++ b/facebook-clang-plugins/clang/setup.sh
@@ -41,8 +41,10 @@ usage () {
 }
 
 clang_hash () {
-    HASH=$($SHASUM "${SCRIPT_DIR}/setup.sh" "${SCRIPT_DIR}/src/prepare_clang_src.sh" | $SHASUM)
+    pushd "$SCRIPT_DIR" > /dev/null
+    HASH=$($SHASUM setup.sh src/prepare_clang_src.sh | $SHASUM)
     printf "%s" "$HASH" | cut -d ' ' -f 1
+    popd > /dev/null
 }
 
 check_installed () {