1 files changed, 96 insertions, 0 deletions
diff --git a/misc/kerndiff/kerndiff.sh b/misc/kerndiff/kerndiff.sh
new file mode 100755
index 000000000..64ce8c2f1
--- /dev/null
+++ b/misc/kerndiff/kerndiff.sh
@@ -0,0 +1,96 @@
+#!/bin/bash -e
+
+function usage() {
+  cat 1>&2 <<__END
+usage: $0 [options] <font1> <font2>
+options:
+  -h, --help  Show usage and exit
+  Rest of options are forwarded to the "diff" program
+__END
+}
+
+diffargs=()
+file1=
+file2=
+
+while [ "$1" != "" ]; do
+  PARAM=`echo $1 | awk -F= '{print $1}'`
+  VALUE=`echo $1 | awk -F= '{print $2}'`
+  case $PARAM in
+    -h | -help | --help)
+      usage
+      exit
+      ;;
+    -*)
+      diffargs[${#diffargs[*]}]=$1
+      ;;
+    *)
+      if [[ "$file1" == "" ]]; then
+        file1=$PARAM
+      elif [[ "$file2" == "" ]]; then
+        file2=$PARAM
+      else
+        echo "Too many files" 1>&2
+        exit 1
+      fi
+      ;;
+  esac
+  shift
+done
+
+if [[ "$file1" == "" ]] && [[ "$file2" == "" ]]; then
+  usage
+  exit 1
+elif [[ "$file1" == "" ]] || [[ "$file2" == "" ]]; then
+  echo "Not enough files" 1>&2
+  exit 1
+fi
+
+tmpdir=$TMPDIR
+if [[ "$tmpdir" == "" ]]; then
+  tmpdir=/tmp
+fi
+tmpdir=$tmpdir/kerndiff-tmp
+mkdir -p "$tmpdir"
+
+file1x="$(basename "$file1")"
+file2x="$(basename "$file2")"
+
+pushd "$(dirname "$0")" >/dev/null
+KERNDIFF_DIR=$PWD
+popd >/dev/null
+
+case $file1 in
+  *.otf)
+    python "$KERNDIFF_DIR/getKerningPairsFromOTF.py" "$file1" \
+      > "$tmpdir/$file1x"
+    ;;
+  *.ufo)
+    python "$KERNDIFF_DIR/getKerningPairsFromUFO.py" "$file1" \
+      > "$tmpdir/$file1x"
+    ;;
+  *)
+    echo "unsupported file format: $file1"
+    exit 1
+    ;;
+esac
+
+case $file2 in
+  *.otf)
+    python "$KERNDIFF_DIR/getKerningPairsFromOTF.py" "$file2" \
+      > "$tmpdir/$file2x"
+    ;;
+  *.ufo)
+    python "$KERNDIFF_DIR/getKerningPairsFromUFO.py" "$file2" \
+      > "$tmpdir/$file2x"
+    ;;
+  *)
+    echo "unsupported file format: $file2"
+    exit 1
+    ;;
+esac
+
+pushd $tmpdir >/dev/null
+diff -u "${diffargs[@]}" "$file1x" "$file2x"
+popd >/dev/null
+rm -rf "$tmpdir"