From 6f082130e508e151bb8e92ce459a10b05b3c82b8 Mon Sep 17 00:00:00 2001 From: Vratko Polak Date: Wed, 20 Mar 2019 13:23:30 +0100 Subject: Add tox checker for lengths of new lines only - Still non-voting, but useful. Change-Id: Idd6f345f0f14fdbc237ff66f5e010801ea08dc5b Signed-off-by: Vratko Polak --- resources/libraries/bash/entry/check/new_line.sh | 51 ++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 resources/libraries/bash/entry/check/new_line.sh (limited to 'resources/libraries/bash/entry/check/new_line.sh') diff --git a/resources/libraries/bash/entry/check/new_line.sh b/resources/libraries/bash/entry/check/new_line.sh new file mode 100644 index 0000000000..49c3d65815 --- /dev/null +++ b/resources/libraries/bash/entry/check/new_line.sh @@ -0,0 +1,51 @@ +# Copyright (c) 2019 Cisco and/or its affiliates. +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at: +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +set -exuo pipefail + +# This file should be executed from tox, as the assumend working directory +# is different from where this file is located. +# This file does not have executable flag nor shebang, +# to dissuade non-tox callers. + +# This script runs a grep-based command and fails if it detects any lines +# edited or added since HEAD~ and longer than 80 characters. +# The grep output stored to new_lines.log (overwriting). + +# See lines.log to locate where the lines are. + +# "set -eu" handles failures from the following two lines. +BASH_CHECKS_DIR="$(dirname $(readlink -e "${BASH_SOURCE[0]}"))" +BASH_FUNCTION_DIR="$(readlink -e "${BASH_CHECKS_DIR}/../../function")" +source "${BASH_FUNCTION_DIR}/common.sh" || { + echo "Source failed." >&2 + exit 1 +} + +# Greps do "fail" on zero line output, we need to ignore that in the final grep. +piped_command="set -exuo pipefail && git diff -U0 HEAD~ | grep '^\+' | " +piped_command+="cut -c2- | grep -v '^\+\+ ' | { grep '.\{81\}' || true; } | " +piped_command+="tee 'new_lines.log' | wc -l" +lines="$(bash -c "${piped_command}")" || die +if [ "${lines}" != "0" ]; then + # TODO: Decide which text goes to stdout and which to stderr. + warn "Long lines detected: ${lines}" + # TODO: Disable when output size does more harm than good. + cat "new_lines.log" >&2 + warn + warn "New line length checker: FAIL" + exit 1 +fi + +warn +warn "New line length checker: PASS" -- cgit 1.2.3-korg