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-rw-r--r--contrib/devtools/README.md12
-rwxr-xr-xcontrib/devtools/clang-format-diff.py54
2 files changed, 59 insertions, 7 deletions
diff --git a/contrib/devtools/README.md b/contrib/devtools/README.md
index 240ab6d9e0..978f26b084 100644
--- a/contrib/devtools/README.md
+++ b/contrib/devtools/README.md
@@ -7,6 +7,18 @@ clang-format.py
A script to format cpp source code according to [.clang-format](../../src/.clang-format). This should only be applied to new files or files which are currently not actively developed on. Also, git subtrees are not subject to formatting.
+clang-format-diff.py
+===================
+
+A script to format unified git diffs according to [.clang-format](../../src/.clang-format).
+
+For instance, to format the last commit with 0 lines of context,
+the script should be called from the git root folder as follows.
+
+```
+git diff -U0 HEAD~1.. | ./contrib/devtools/clang-format-diff.py -p1 -i -v
+```
+
fix-copyright-headers.py
========================
diff --git a/contrib/devtools/clang-format-diff.py b/contrib/devtools/clang-format-diff.py
index 9e02bb0938..13d2573b9f 100755
--- a/contrib/devtools/clang-format-diff.py
+++ b/contrib/devtools/clang-format-diff.py
@@ -5,7 +5,52 @@
# The LLVM Compiler Infrastructure
#
# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
+# License.
+#
+# ============================================================
+#
+# University of Illinois/NCSA
+# Open Source License
+#
+# Copyright (c) 2007-2015 University of Illinois at Urbana-Champaign.
+# All rights reserved.
+#
+# Developed by:
+#
+# LLVM Team
+#
+# University of Illinois at Urbana-Champaign
+#
+# http://llvm.org
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy of
+# this software and associated documentation files (the "Software"), to deal with
+# the Software without restriction, including without limitation the rights to
+# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+# of the Software, and to permit persons to whom the Software is furnished to do
+# so, subject to the following conditions:
+#
+# * Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimers.
+#
+# * Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimers in the
+# documentation and/or other materials provided with the distribution.
+#
+# * Neither the names of the LLVM Team, University of Illinois at
+# Urbana-Champaign, nor the names of its contributors may be used to
+# endorse or promote products derived from this Software without specific
+# prior written permission.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE
+# SOFTWARE.
+#
+# ============================================================
#
#===------------------------------------------------------------------------===#
@@ -56,10 +101,6 @@ def main():
help='let clang-format sort include blocks')
parser.add_argument('-v', '--verbose', action='store_true',
help='be more verbose, ineffective without -i')
- parser.add_argument(
- '-style',
- help=
- 'formatting style to apply (LLVM, Google, Chromium, Mozilla, WebKit)')
args = parser.parse_args()
# Extract changed lines for each file.
@@ -101,8 +142,7 @@ def main():
if args.sort_includes:
command.append('-sort-includes')
command.extend(lines)
- if args.style:
- command.extend(['-style', args.style])
+ command.extend(['-style=file', '-fallback-style=none'])
p = subprocess.Popen(command, stdout=subprocess.PIPE,
stderr=None, stdin=subprocess.PIPE)
stdout, stderr = p.communicate()