[doc] Remove unused clang format dev script

Also, update the clang format file to reflect the current coding
style mentioned in the developer notes.

contrib/devtools/README.md

@@ -8,11 +8,6 @@ check-doc.py
 Check if all command line args are documented. The return value indicates the
 number of undocumented args.
 
-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
 ===================
 
@@ -24,6 +19,7 @@ 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
 ```
+
 copyright\_header.py
 ====================
 

contrib/devtools/clang-format.py

@@ -1,62 +0,0 @@
-#!/usr/bin/env python
-'''
-Wrapper script for clang-format
-
-Copyright (c) 2015 MarcoFalke
-Copyright (c) 2015 The Bitcoin Core developers
-Distributed under the MIT software license, see the accompanying
-file COPYING or http://www.opensource.org/licenses/mit-license.php.
-'''
-
-import os
-import sys
-import subprocess
-
-tested_versions = ['3.6.0', '3.6.1', '3.6.2'] # A set of versions known to produce the same output
-accepted_file_extensions = ('.h', '.cpp') # Files to format
-
-def check_clang_format_version(clang_format_exe):
-    try:
-        output = subprocess.check_output([clang_format_exe, '-version'])
-        for ver in tested_versions:
-            if ver in output:
-                print "Detected clang-format version " + ver
-                return
-        raise RuntimeError("Untested version: " + output)
-    except Exception as e:
-        print 'Could not verify version of ' + clang_format_exe + '.'
-        raise e
-
-def check_command_line_args(argv):
-    required_args = ['{clang-format-exe}', '{files}']
-    example_args = ['clang-format-3.x', 'src/main.cpp', 'src/wallet/*']
-
-    if(len(argv) < len(required_args) + 1):
-        for word in (['Usage:', argv[0]] + required_args):
-            print word,
-        print ''
-        for word in (['E.g:', argv[0]] + example_args):
-            print word,
-        print ''
-        sys.exit(1)
-
-def run_clang_format(clang_format_exe, files):
-    for target in files:
-        if os.path.isdir(target):
-            for path, dirs, files in os.walk(target):
-                run_clang_format(clang_format_exe, (os.path.join(path, f) for f in files))
-        elif target.endswith(accepted_file_extensions):
-            print "Format " + target
-            subprocess.check_call([clang_format_exe, '-i', '-style=file', target], stdout=open(os.devnull, 'wb'), stderr=subprocess.STDOUT)
-        else:
-            print "Skip " + target
-
-def main(argv):
-    check_command_line_args(argv)
-    clang_format_exe = argv[1]
-    files = argv[2:]
-    check_clang_format_version(clang_format_exe)
-    run_clang_format(clang_format_exe, files)
-
-if __name__ == "__main__":
-    main(sys.argv)

doc/developer-notes.md

@@ -4,10 +4,11 @@ Developer Notes
 Various coding styles have been used during the history of the codebase,
 and the result is not very consistent. However, we're now trying to converge to
 a single style, so please use it in new code. Old code will be converted
-gradually.
+gradually and you are encouraged to use the provided
+[clang-format-diff script](/contrib/devtools/README.md#clang-format-diffpy)
+to clean up the patch automatically before submitting a pull request.
+
 - Basic rules specified in [src/.clang-format](/src/.clang-format).
-  Use a recent clang-format to format automatically using one of the [dev scripts]
-  (/contrib/devtools/README.md#clang-formatpy).
   - Braces on new lines for namespaces, classes, functions, methods.
   - Braces on the same line for everything else.
   - 4 space indentation (no tabs) for every block except namespaces.

src/.clang-format

@@ -6,7 +6,7 @@ AlignTrailingComments: true
 AllowAllParametersOfDeclarationOnNextLine: false
 AllowShortBlocksOnASingleLine: false
 AllowShortFunctionsOnASingleLine: All
-AllowShortIfStatementsOnASingleLine: false
+AllowShortIfStatementsOnASingleLine: true
 AllowShortLoopsOnASingleLine: false
 AlwaysBreakBeforeMultilineStrings: false
 AlwaysBreakTemplateDeclarations: true