From 36670f3e1cccad579b994a29320eeb8e287803b7 Mon Sep 17 00:00:00 2001
From: tv <tv@shackspace.de>
Date: Thu, 21 May 2015 01:56:08 +0200
Subject: sh: functions -> bin/

---
 bin/json-assert-type | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 bin/json-assert-type

(limited to 'bin/json-assert-type')

diff --git a/bin/json-assert-type b/bin/json-assert-type
new file mode 100755
index 000000000..29cadad65
--- /dev/null
+++ b/bin/json-assert-type
@@ -0,0 +1,18 @@
+#! /bin/sh
+set -euf
+
+formal_type=$1
+
+actual_value=$2
+actual_type=$(echo $actual_value | jq -r type)
+
+if [ "$actual_type" != "$formal_type" ]; then
+  backtrace
+  printf 'error: expected %s, got %s\n' \
+    "$formal_type" \
+    "$actual_type" \
+    >&2
+  exit 1
+fi
+
+echo "$actual_value"
-- 
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