ceph/src/seastar/dpdk/devtools/checkpatches.sh

   1 #! /bin/sh
   2
   3 # BSD LICENSE
   4 #
   5 # Copyright 2015 6WIND S.A.
   6 #
   7 # Redistribution and use in source and binary forms, with or without
   8 # modification, are permitted provided that the following conditions
   9 # are met:
  10 #
  11 #   * Redistributions of source code must retain the above copyright
  12 #     notice, this list of conditions and the following disclaimer.
  13 #   * Redistributions in binary form must reproduce the above copyright
  14 #     notice, this list of conditions and the following disclaimer in
  15 #     the documentation and/or other materials provided with the
  16 #     distribution.
  17 #   * Neither the name of 6WIND S.A. nor the names of its
  18 #     contributors may be used to endorse or promote products derived
  19 #     from this software without specific prior written permission.
  20 #
  21 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32
  33 # Load config options:
  34 # - DPDK_CHECKPATCH_PATH
  35 # - DPDK_CHECKPATCH_LINE_LENGTH
  36 . $(dirname $(readlink -e $0))/load-devel-config
  37
  38 length=${DPDK_CHECKPATCH_LINE_LENGTH:-80}
  39
  40 # override default Linux options
  41 options="--no-tree"
  42 options="$options --max-line-length=$length"
  43 options="$options --show-types"
  44 options="$options --ignore=LINUX_VERSION_CODE,FILE_PATH_CHANGES,\
  45 VOLATILE,PREFER_PACKED,PREFER_ALIGNED,PREFER_PRINTF,\
  46 PREFER_KERNEL_TYPES,BIT_MACRO,CONST_STRUCT,\
  47 SPLIT_STRING,LONG_LINE_STRING,\
  48 LINE_SPACING,PARENTHESIS_ALIGNMENT,NETWORKING_BLOCK_COMMENT_STYLE,\
  49 NEW_TYPEDEFS,COMPARISON_TO_NULL"
  50
  51 print_usage () {
  52         cat <<- END_OF_HELP
  53         usage: $(basename $0) [-q] [-v] [-nX|patch1 [patch2] ...]]
  54
  55         Run Linux kernel checkpatch.pl with DPDK options.
  56         The environment variable DPDK_CHECKPATCH_PATH must be set.
  57
  58         The patches to check can be from stdin, files specified on the command line,
  59         or latest git commits limited with -n option (default limit: origin/master).
  60         END_OF_HELP
  61 }
  62
  63 number=0
  64 quiet=false
  65 verbose=false
  66 while getopts hn:qv ARG ; do
  67         case $ARG in
  68                 n ) number=$OPTARG ;;
  69                 q ) quiet=true ;;
  70                 v ) verbose=true ;;
  71                 h ) print_usage ; exit 0 ;;
  72                 ? ) print_usage ; exit 1 ;;
  73         esac
  74 done
  75 shift $(($OPTIND - 1))
  76
  77 if [ ! -x "$DPDK_CHECKPATCH_PATH" ] ; then
  78         print_usage >&2
  79         echo
  80         echo 'Cannot execute DPDK_CHECKPATCH_PATH' >&2
  81         exit 1
  82 fi
  83
  84 total=0
  85 status=0
  86
  87 check () { # <patch> <commit> <title>
  88         total=$(($total + 1))
  89         ! $verbose || printf '\n### %s\n\n' "$3"
  90         if [ -n "$1" ] ; then
  91                 report=$($DPDK_CHECKPATCH_PATH $options "$1" 2>/dev/null)
  92         elif [ -n "$2" ] ; then
  93                 report=$(git format-patch --find-renames --no-stat --stdout -1 $commit |
  94                         $DPDK_CHECKPATCH_PATH $options - 2>/dev/null)
  95         else
  96                 report=$($DPDK_CHECKPATCH_PATH $options - 2>/dev/null)
  97         fi
  98         [ $? -ne 0 ] || return 0
  99         $verbose || printf '\n### %s\n\n' "$3"
 100         printf '%s\n' "$report" | sed -n '1,/^total:.*lines checked$/p'
 101         status=$(($status + 1))
 102 }
 103
 104 if [ -n "$1" ] ; then
 105         for patch in "$@" ; do
 106                 # Subject can be on 2 lines
 107                 subject=$(sed '/^Subject: */!d;s///;N;s,\n[[:space:]]\+, ,;s,\n.*,,;q' "$patch")
 108                 check "$patch" '' "$subject"
 109         done
 110 elif [ ! -t 0 ] ; then # stdin
 111         subject=$(while read header value ; do
 112                 if [ "$header" = 'Subject:' ] ; then
 113                         IFS= read next
 114                         continuation=$(echo "$next" | sed -n 's,^[[:space:]]\+, ,p')
 115                         echo $value$continuation
 116                         break
 117                 fi
 118         done)
 119         check '' '' "$subject"
 120 else
 121         if [ $number -eq 0 ] ; then
 122                 commits=$(git rev-list --reverse origin/master..)
 123         else
 124                 commits=$(git rev-list --reverse --max-count=$number HEAD)
 125         fi
 126         for commit in $commits ; do
 127                 subject=$(git log --format='%s' -1 $commit)
 128                 check '' $commit "$subject"
 129         done
 130 fi
 131 pass=$(($total - $status))
 132 $quiet || printf '\n%d/%d valid patch' $pass $total
 133 $quiet || [ $pass -le 1 ] || printf 'es'
 134 $quiet || printf '\n'
 135 exit $status