1 files changed, 107 insertions, 0 deletions
diff --git a/tools/checkpatch.sh b/tools/checkpatch.sh
new file mode 100755
index 0000000..6071f48
--- /dev/null
+++ b/tools/checkpatch.sh
@@ -0,0 +1,107 @@
+#!/bin/bash
+# Check a patch for style errors.
+usage="./checkpatch.sh <patch> <tree>"
+patch=$1
+tree=$2
+checkpatch="$tree/tools/checkpatch.pl --no-tree -f"
+ignore="ldpd\|babeld"
+cwd=${PWD##*/}
+dirty=0
+stat=0
+tmp1=/tmp/f1-$$
+tmp2=/tmp/f2-$$
+
+if [[ -z "$1" || -z "$2" ]]; then
+  echo "$usage"
+  exit 0
+fi
+
+# remove temp directories
+rm -rf ${tmp1} ${tmp2}
+
+# save working tree
+if git -C $tree status --porcelain | egrep --silent '^(\?\?|.[DM])'; then
+  echo "Detected dirty tree, caching state..."
+  dirty=1
+  git -C $tree config gc.auto 0;
+  td=$(git -C $tree status -z | grep -z "^[ARM]D" | cut -z -d' ' -f2- | tr '\0' '\n')
+  INDEX=$(git -C $tree write-tree)
+  git -C $tree add -f .
+  WORKTREE=$(git -C $tree write-tree)
+  echo "Saved index to $INDEX"
+  echo "Saved working tree to $WORKTREE"
+fi
+
+# double check
+if git -C $tree status --porcelain | egrep --silent '^(\?\?|.[DM])'; then
+  echo "[!] git working directory must be clean."
+  exit 1
+fi
+
+git -C $tree reset --hard
+git -C $tree apply < $patch
+mkdir -p ${tmp1} ${tmp2}
+mod=$(git -C $tree ls-files -m | grep ".*\.[ch]" | grep -v $ignore)
+mod+=" $(git -C $tree ls-files --others --exclude-standard | grep '.*\.[ch]' | grep -v $ignore)"
+echo $mod
+if [ -z "$mod" ]; then
+  echo "There doesn't seem to be any changes."
+else
+  echo "Copying source to temp directory..."
+  for file in $mod; do
+    echo "$tree/$file --> ${tmp1}/$file"
+    cp $tree/$file ${tmp1}/
+  done
+  git -C $tree reset --hard
+  git -C $tree clean -fd
+  for file in $mod; do
+    if [ -f $tree/$file ]; then
+      echo "$tree/$file --> ${tmp2}/$file"
+      cp $tree/$file ${tmp2}/
+    fi
+  done
+  echo "Running style checks..."
+  for file in ${tmp1}/*; do
+    echo "$checkpatch $file > $file _cp"
+    $checkpatch $file > "$file"_cp 2> /dev/null
+  done
+  for file in ${tmp2}/*; do
+    echo "$checkpatch $file > $file _cp"
+    $checkpatch $file > "$file"_cp 2> /dev/null
+  done
+  echo "Done."
+  for file in ${tmp1}/*_cp; do
+    if [ -a ${tmp2}/$(basename $file) ]; then
+      result=$(diff $file ${tmp2}/$(basename $file) | awk '/< ERROR|< WARNING/,/^< $|^< #|^<[^ ]/ { print $0; ++n }; END { exit n }')
+    else
+      result=$(cat $file | awk '/ERROR|WARNING/,/^$/ { print $0; ++n }; END { exit n }')
+    fi
+    ni="$?"
+    if [ "$ni" -ne "0" ]; then
+      echo "Report for $(basename $file _cp) | $ni issues" 1>&2
+      echo "===============================================" 1>&2
+      echo "$result" 1>&2
+      if echo $result | grep -q "ERROR"; then
+        stat=2
+      elif [ "$stat" -eq "0" ]; then
+        stat=1
+      fi
+    fi
+  done
+fi
+
+# restore working tree
+if [ $dirty -eq 1 ]; then
+  git -C $tree read-tree $WORKTREE;
+  git -C $tree checkout-index -af;
+  git -C $tree read-tree $INDEX;
+  if [ -n "$td" ]; then
+    rm $td
+  fi
+  git -C $tree config --unset gc.auto;
+fi
+
+# remove temp directories
+rm -rf ${tmp1} ${tmp2}
+
+exit $stat