From 194f940558b494abdb16a42774ade8529f691d0f Mon Sep 17 00:00:00 2001
From: Tom Smeding <tom.smeding@gmail.com>
Date: Mon, 4 May 2020 21:30:37 +0200
Subject: Error when jq is not found

---
 cargo-dot | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'cargo-dot')

diff --git a/cargo-dot b/cargo-dot
index 571a47f..630a307 100755
--- a/cargo-dot
+++ b/cargo-dot
@@ -1,4 +1,11 @@
 #!/usr/bin/env bash
+JQ="$(command -v jq)"
+if [[ $? -ne 0 ]]; then
+	echo >&2 "jq not found, please install jq"
+	exit 1
+fi
+
 echo "digraph G {"
-cargo metadata --format-version=1 | jq -r '.packages[] | "\"" + .id[0:.id|index(" ")] + "\" -> \"" + .dependencies[].name + "\";"'
+cargo metadata --format-version=1 |
+	"$JQ" -r '.packages[] | "\"" + .id[0:.id|index(" ")] + "\" -> \"" + .dependencies[].name + "\";"'
 echo "}"
-- 
cgit v1.2.3-54-g00ecf