3 files changed, 53 insertions, 0 deletions
diff --git a/script/git-hooks/check-trailing-whitespace b/script/git-hooks/check-trailing-whitespace
new file mode 100755
index 0000000..4dc1a6d
--- /dev/null
+++ b/script/git-hooks/check-trailing-whitespace
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+git diff-index --cached --check HEAD -- :/*.[ch] :/*.p[ylm]
+
+if [ $? != 0 ]; then
+	echo
+	echo "The commit failed because it seems to introduce trailing whitespace"
+	echo "into C, Perl, or Python code."
+	echo
+	echo "If you are sure you want to do this, repeat the commit with the "
+	echo "--no-verify, like this:"
+	echo
+	echo "   git commit --no-verify"
+	exit 1
+fi
+
+exit 0
diff --git a/script/git-hooks/pre-commit-hook b/script/git-hooks/pre-commit-hook
new file mode 100755
index 0000000..1bcb000
--- /dev/null
+++ b/script/git-hooks/pre-commit-hook
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+set -eu
+
+gitdir=$(git rev-parse --show-toplevel)
+if [ $? -ne 0 ]; then
+	echo "git rev-parse --show-toplevel failed"
+	exit 1
+fi
+
+if [ ! -f ${gitdir}/script/git-hooks/pre-commit-script ]; then
+	exit 0
+fi
+
+${gitdir}/script/git-hooks/pre-commit-script || exit $?
+
+exit 0
diff --git a/script/git-hooks/pre-commit-script b/script/git-hooks/pre-commit-script
new file mode 100755
index 0000000..8adb01c
--- /dev/null
+++ b/script/git-hooks/pre-commit-script
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+set -eu
+
+#
+# make emacs/magit work, cf
+# https://github.com/magit/magit/issues/3419
+#
+unset GIT_LITERAL_PATHSPECS
+
+gitdir=$(git rev-parse --show-toplevel)
+if [ $? -ne 0 ]; then
+	echo "git rev-parse --show-toplevel failed"
+	exit 1
+fi
+
+${gitdir}/script/git-hooks/check-trailing-whitespace || exit $?
+
+exit 0