1 files changed, 23 insertions, 0 deletions

diff --git a/hooks/pre-commit b/hooks/pre-commit
new file mode 100644
index 000000000..44010fa1a
--- /dev/null
+++ b/hooks/pre-commit
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+#check the config, in case the user really wants to allow tabs...
+allowtabs=$(git config hooks.allowtabs)
+if [ "$allowtabs" != "true" ] &&
+   git diff --cached | egrep '^\+.*     '
+then
+   cat<<END;
+Error: This commit would contain a tab, which is against this repo's policy.
+END
+  exit 1
+fi
+
+# If there are whitespace errors, print the offending file names and fail.
+if
+# Use git built-in checks for trailing whitespaces
+    ! git diff --check --cached
+then
+   cat<<END;
+Error: This commit would contain trailing spaces, which is against this repo's policy.
+END
+  exit 1
+fi