pre-commit hook

Author: jamesadney

check-gofmt.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+# Copyright 2012 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+# git gofmt pre-commit hook
+#
+# To use, store as .git/hooks/pre-commit inside your repository and make sure
+# it has execute permissions.
+#
+# This script does not handle file names that contain spaces.
+
+gofiles=$(git diff --cached --name-only --diff-filter=ACM | grep '.go$')
+[ -z "$gofiles" ] && exit 0
+
+unformatted=$(gofmt -l $gofiles)
+[ -z "$unformatted" ] && exit 0
+
+# Some files are not gofmt'd. Print message and fail.
+
+echo >&2 "Go files must be formatted with gofmt. Please run:"
+for fn in $unformatted; do
+	echo >&2 "  gofmt -w $PWD/$fn"
+done
+
+exit 1

pre-commit.sh

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+#!/bin/bash
+
+## Install the hook ##
+# `ln -s ../../pre-commit.sh .git/hooks/pre-commit`
+
+run_tests() {
+	# use `set -e` to exit the function as soon as a command fails.
+	# the parens keep the `set -e` from affecting the calling script which
+	# would make it exit before calling `stash pop`.
+	( set -e
+		./check-gofmt.sh # from `misc/git` of Go 1.1
+		go test
+	)
+}
+
+git stash --quiet --keep-index # only test staged changes
+run_tests; RESULT=$?
+git stash pop --quiet # reapply unstaged changes
+
+exit $RESULT