From 239935c063acefee3b3ced37cb82d4e9f46d041c Mon Sep 17 00:00:00 2001
From: Jonathan Lange <jml@mumak.net>
Date: Fri, 8 Jul 2016 14:19:51 +0100
Subject: [PATCH] shell-lint tool

---
 README.md  |  4 ++++
 shell-lint | 13 +++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100755 shell-lint

diff --git a/README.md b/README.md
index 32ddb57b1..e570ef717 100644
--- a/README.md
+++ b/README.md
@@ -4,11 +4,15 @@ Included in this repo are tools shared by weave.git and scope.git.  They include
 
 - ```cover```: a tool which merges overlapping coverage reports generated by go
   test
+- ```files-with-type```: a tool to search directories for files of a given
+  MIME type
 - ```lint```: a script to lint Go project; runs various tools like golint, go
   vet, errcheck etc
 - ```rebuild-image```: a script to rebuild docker images when their input files
   change; useful when you using docker images to build your software, but you
   don't want to build the image every time.
+- ```shell-lint```: a script to lint multiple shell files with 
+  [shellcheck](http://www.shellcheck.net/)
 - ```socks```: a simple, dockerised SOCKS proxy for getting your laptop onto
   the Weave network
 - ```test```: a script to run all go unit tests in subdirectories, gather the
diff --git a/shell-lint b/shell-lint
new file mode 100755
index 000000000..5cc77cb2a
--- /dev/null
+++ b/shell-lint
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+#
+# Lint all shell files in given directories with `shellcheck`.
+#
+# e.g.
+#     $ shell-lint infra k8s
+#
+# Depends on:
+# - shellcheck
+# - files-with-type
+# - file >= 5.22
+
+"$(dirname "${BASH_SOURCE[0]}")/files-with-type" text/x-shellscript "$@" | xargs shellcheck