From 5b55310443cafb1df5e611b75561055d936e096d Mon Sep 17 00:00:00 2001
From: "bradnelson@google.com"
 <bradnelson@google.com@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Tue, 11 Aug 2009 00:46:25 +0000
Subject: [PATCH] Fixing up hammer script to work in the nacl and o3d trees.

BUG=None
TEST=None

Review URL: http://codereview.chromium.org/164099

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@22990 0039d316-1c4b-4281-b951-d872f2087c98
---
 hammer | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

diff --git a/hammer b/hammer
index a95774dd39..129c68d57e 100755
--- a/hammer
+++ b/hammer
@@ -1,8 +1,27 @@
 #!/bin/sh
+#
+# Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# A script to invoke scons in gyp generated projects.
+
+# Find the 'src' directory by looking for the site_scons directory.
+# This method allows trees that don't use the name src to use this script.
+# Explicitly skip site_scons directories that are from the 'software
+# construction toolkit', since these are not gyp compatible.
+SRC_DIR=`pwd`
+while `test ! -d "${SRC_DIR}/site_scons" -o \
+       -e "${SRC_DIR}/site_scons/site_tools/component_setup.py"`; do
+  PARENT_DIR="$(dirname ${SRC_DIR})"
+  if `test "${SRC_DIR}" == "${PARENT_DIR}"`; then
+    echo "ERROR: hammer must be run in a directory with site_scons under" >&2
+    echo "       the root of the project tree." >&2
+    exit 1
+  fi
+  SRC_DIR="${PARENT_DIR}"
+done
 
-# The first expression catches when we're actually in the /src directory.
-# The second expressions strips everything after the last /src occurrence.
-SRC_DIR=`pwd | sed -e '\;/src$;q' -e 's;\(.*/src\)/.*;\1;'`
 SCONS="${SRC_DIR}/third_party/scons/scons.py"
 SITE_SCONS="${SRC_DIR}/site_scons"