Check for executable existance

10 years ago · 98d532dbc4
parent ecd49345b5
commit 98d532dbc4
1 changed files with 10 additions and 0 deletions
--- a/tools/clang-format/config.sh
+++ b/tools/clang-format/config.sh
@ -1 +1,11 @@
 CLANG_FORMAT=clang-format-3.5
+
+set -ex
+
+if not hash $CLANG_FORMAT 2>/dev/null; then
+  echo "$CLANG_FORMAT is needed but not installed"
+  echo "perhaps try:"
+  echo "  sudo apt-get install $CLANG_FORMAT"
+  exit 1
+fi
+