1 files changed, 24 insertions, 0 deletions
diff --git a/hooks/pre-commit b/hooks/pre-commit
new file mode 100644
index 000000000..bad84b14b
--- /dev/null
+++ b/hooks/pre-commit
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# Enforce citra's whitespace policy
+git config --local core.whitespace tab-in-indent,trailing-space
+
+# If there are whitespace errors, print the offending file names and fail.
+if ! git diff --cached --check; then
+    cat<<END;
+
+Error: This commit would contain trailing spaces or tabs, which is against this repo's policy.
+Please correct those issues before commiting. (Use 'git diff --check' for more details)
+If you know what you are doing, you can try 'git commit --no-verify' to bypass the check
+END
+    exit 1
+fi
+
+# Check for tabs, since tab-in-indent catches only those at the beginning of a line
+if git diff --cached | egrep '^\+.*	'; then
+    cat<<END;
+Error: This commit would contain a tab, which is against this repo's policy.
+If you know what you are doing, you can try 'git commit --no-verify' to bypass the check.
+END
+    exit 1
+fi