Add pre-upload check to enforce correct formatting of .bp files

Bug: 132757397
Test: tools/check-bpfmt.sh 16a057f0c8ed4f7212043615228da9311760850a
Change-Id: Ia3cd3f7fa075d469b5b6126fb739df915a65bab6

1 files changed, 32 insertions, 0 deletions

diff --git a/tools/check-bpfmt.sh b/tools/check-bpfmt.sh
new file mode 100755
index 0000000000..8ca1df51fa
--- /dev/null
+++ b/tools/check-bpfmt.sh
@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# Copyright (C) 2019 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+SHA=$1
+
+FIX=
+for file in $(git show --name-only --pretty=format: $SHA | grep -E "\.bp$"); do
+  if [[ -n "$(bpfmt -d <(git show $SHA:$file))" ]]; then
+    FIX="$FIX $file"
+  fi
+done
+
+if [[ -n "$FIX" ]]; then
+  # Remove leading space.
+  FIX=$(echo $FIX)
+  echo -e "\e[1m\e[31mSome .bp files are incorrectly formatted, run the following commands to fix them:\e[0m"
+  echo -e "\e[1m\e[31m    bpfmt -w $FIX\e[0m"
+  exit 1
+fi