Add script for finding files with unix line terminators (#7965)
This PRs adds a script to check for unix-line terminators in the repo. It will be used to address https://github.com/matrix-org/synapse/issues/7943 by adding the check to CI.
I've changed the original script slightly as proposed in https://github.com/matrix-org/pipelines/pull/81#discussion_r460580664
2 files changed, 32 insertions, 0 deletions
diff --git a/changelog.d/7965.misc b/changelog.d/7965.misc
new file mode 100644
index 0000000000..ee9f1a7114
--- /dev/null
+++ b/changelog.d/7965.misc
@@ -0,0 +1 @@
+Add a script to detect source code files using non-unix line terminators.
\ No newline at end of file
diff --git a/scripts-dev/check_line_terminators.sh b/scripts-dev/check_line_terminators.sh
new file mode 100755
index 0000000000..0f430e8397
--- /dev/null
+++ b/scripts-dev/check_line_terminators.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+#
+# Copyright 2020 The Matrix.org Foundation C.I.C.
+#
+# 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.
+#
+# This script checks that line terminators in all repository files (excluding
+# those in the .git directory) feature unix line terminators.
+#
+# Usage:
+#
+# ./check_line_terminators.sh
+#
+# The script will emit exit code 1 if any files that do not use unix line
+# terminators are found, 0 otherwise.
+
+# cd to the root of the repository
+cd `dirname $0`/..
+
+# Find and print files with non-unix line terminators
+find . -path './.git/*' -prune -o -type f -print0 | xargs -0 grep -I -l $'\r$' && ( echo 'found files with CRLF line endings'; exit 1 )
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