tools/checkpatch.sh

   1 #!/bin/bash
   2 # Check a patch for style errors.
   3 usage="./checkpatch.sh <patch> <tree>"
   4 patch=$1
   5 tree=$2
   6 checkpatch="$tree/tools/checkpatch.pl --no-tree -f"
   7 ignore="ldpd\|babeld"
   8 cwd=${PWD##*/}
   9 dirty=0
  10 stat=0
  11
  12 if [[ -z "$1" || -z "$2" ]]; then
  13   echo "$usage"
  14   exit 0
  15 fi
  16
  17 # remove temp directories
  18 rm -rf /tmp/f1 /tmp/f2
  19
  20 # save working tree
  21 if git -C $tree status --porcelain | egrep --silent '^(\?\?|.[DM])'; then
  22   echo "Detected dirty tree, caching state..."
  23   dirty=1
  24   git -C $tree config gc.auto 0;
  25   td=$(git -C $tree status -z | grep -z "^[ARM]D" | cut -z -d' ' -f2- | tr '\0' '\n')
  26   INDEX=$(git -C $tree write-tree)
  27   git -C $tree add -f .
  28   WORKTREE=$(git -C $tree write-tree)
  29   echo "Saved index to $INDEX"
  30   echo "Saved working tree to $WORKTREE"
  31 fi
  32
  33 # double check
  34 if git -C $tree status --porcelain | egrep --silent '^(\?\?|.[DM])'; then
  35   echo "[!] git working directory must be clean."
  36   exit 1
  37 fi
  38
  39 git -C $tree reset --hard
  40 git -C $tree apply < $patch
  41 mkdir -p /tmp/f1 /tmp/f2
  42 mod=$(git -C $tree ls-files -m | grep ".*\.[ch]" | grep -v $ignore)
  43 mod+=" $(git -C $tree ls-files --others --exclude-standard | grep '.*\.[ch]' | grep -v $ignore)"
  44 echo $mod
  45 if [ -z "$mod" ]; then
  46   echo "There doesn't seem to be any changes."
  47 else
  48   echo "Copying source to temp directory..."
  49   for file in $mod; do
  50     echo "$tree/$file --> /tmp/f1/$file"
  51     cp $tree/$file /tmp/f1/
  52   done
  53   git -C $tree reset --hard
  54   git -C $tree clean -fd
  55   for file in $mod; do
  56     if [ -f $tree/$file ]; then
  57       echo "$tree/$file --> /tmp/f2/$file"
  58       cp $tree/$file /tmp/f2/
  59     fi
  60   done
  61   echo "Running style checks..."
  62   for file in /tmp/f1/*; do
  63     echo "$checkpatch $file > $file _cp"
  64     $checkpatch $file > "$file"_cp 2> /dev/null
  65   done
  66   for file in /tmp/f2/*; do
  67     echo "$checkpatch $file > $file _cp"
  68     $checkpatch $file > "$file"_cp 2> /dev/null
  69   done
  70   echo "Done."
  71   for file in /tmp/f1/*_cp; do
  72     if [ -a /tmp/f2/$(basename $file) ]; then
  73       result=$(diff $file /tmp/f2/$(basename $file) | grep -A3 "ERROR\|WARNING" | grep -A2 -B2 '/tmp/f1')
  74     else
  75       result=$(cat $file | grep -A3 "ERROR\|WARNING" | grep -A2 -B2 '/tmp/f1')
  76     fi
  77     if [ "$?" -eq "0" ]; then
  78       echo "Report for $(basename $file _cp)" 1>&2
  79       echo "===============================================" 1>&2
  80       echo "$result" 1>&2
  81       if echo $result | grep -q "ERROR"; then
  82         stat=2
  83       elif [ "$stat" -eq "0" ]; then
  84         stat=1
  85       fi
  86     fi
  87   done
  88 fi
  89
  90 # restore working tree
  91 if [ $dirty -eq 1 ]; then
  92   git -C $tree read-tree $WORKTREE;
  93   git -C $tree checkout-index -af;
  94   git -C $tree read-tree $INDEX;
  95   if [ -n "$td" ]; then
  96     rm $td
  97   fi
  98   git -C $tree config --unset gc.auto;
  99 fi
 100
 101 exit $stat