1 files changed, 67 insertions, 0 deletions
diff --git a/Utilities/Git/pre-commit b/Utilities/Git/pre-commit
new file mode 100755
index 000000000..d308a81b5
--- /dev/null
+++ b/Utilities/Git/pre-commit
@@ -0,0 +1,67 @@
+#!/usr/bin/env bash
+#=============================================================================
+# CMake - Cross Platform Makefile Generator
+# Copyright 2000-2011 Kitware, Inc., Insight Software Consortium
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
+die() {
+  echo 'pre-commit hook failure' 1>&2
+  echo '-----------------------' 1>&2
+  echo '' 1>&2
+  echo "$@" 1>&2
+  exit 1
+}
+
+#-------------------------------------------------------------------------------
+line_too_long=80
+bad=$(regex=".{$line_too_long}" &&
+git diff-index --cached HEAD --name-only --diff-filter=AM \
+    --pickaxe-regex -S"$regex" -- 'Source/*.h' 'Source/*.cxx' |
+while read file; do
+  lines_too_long=$(git diff-index -p --cached HEAD \
+                   --pickaxe-regex -S"$regex" -- "$file")
+  if echo "$lines_too_long" | egrep -q '^\+'"$regex"; then
+    echo "$lines_too_long"
+  fi
+done)
+test -z "$bad" ||
+die 'The following changes add lines too long for our C++ style:
+
+'"$bad"'
+
+Use lines strictly less than '"$line_too_long"' characters in C++ code.'
+
+#-------------------------------------------------------------------------------
+if test -z "$HOOKS_ALLOW_KWSYS"; then
+  # Disallow changes to KWSys
+  files=$(git diff-index --name-only --cached HEAD -- Source/kwsys) &&
+  if test -n "$files"; then
+    die 'Changes to KWSys files
+
+'"$(echo "$files" | sed 's/^/  /')"'
+
+cannot be committed through Git.  KWSys is kept in a CVS repository
+shared by several projects.  A robot replays changes committed there
+into the Source/kwsys directory in CMake.  Please send changes to
+this directory separately.  Run
+
+  git reset HEAD -- Source/kwsys
+
+to unstage these changes and then
+
+  git diff -- Source/kwsys > kwsys.patch
+
+to construct the patch.  Alternatively, set environment variable
+
+  HOOKS_ALLOW_KWSYS=1
+
+to disable this check and commit the changes locally.'
+  fi
+fi