Error when jq is not foundHEADmaster

1 files changed, 8 insertions, 1 deletions

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 "}"