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   cp $tree/$mod /tmp/f1/
  49   git -C $tree reset --hard
  50   git -C $tree clean -fd
  51   cp $tree/$mod /tmp/f2/
  52   echo "Running style checks..."
  53   for file in /tmp/f1/*; do
  54     echo "$checkpatch $file > $file _cp"
  55     $checkpatch $file > "$file"_cp 2> /dev/null
  56   done
  57   for file in /tmp/f2/*; do
  58     echo "$checkpatch $file > $file _cp"
  59     $checkpatch $file > "$file"_cp 2> /dev/null
  60   done
  61   echo "Done."
  62   for file in /tmp/f1/*_cp; do
  63     echo "Report for $(basename $file _cp)"
  64     echo "==============================================="
  65     if [ -a /tmp/f2/$(basename $file) ]; then
  66       diff $file /tmp/f2/$(basename $file) | grep -v "normally be const" | grep -A3 "ERROR\|WARNING"
  67     else
  68       cat $file | grep -v "normally be const" | grep -A3 "ERROR\|WARNING"
  69     fi
  70     if [ "$?" -eq "0" ]; then
  71       stat=1
  72     fi
  73   done
  74 fi
  75
  76 # restore working tree
  77 if [ $dirty -eq 1 ]; then
  78   git -C $tree read-tree $WORKTREE;
  79   git -C $tree checkout-index -af;
  80   git -C $tree read-tree $INDEX;
  81   if [ -n "$td" ]; then
  82     rm $td
  83   fi
  84   git -C $tree config --unset gc.auto;
  85 fi
  86
  87 exit $stat