From ca360a1ea65f6e01de2f99a279ecd8d312c412ab Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Thu, 19 Apr 2018 00:02:18 +0200
Subject: preflight(): Initialise cache file

If no cache file is present, `new_pull_requests()` should fail. To allow
it to continue to function even in the absence of a cache file,
initialise the cache file with an empty JSON array.
---
 redprine | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/redprine b/redprine
index 3191853..912d825 100755
--- a/redprine
+++ b/redprine
@@ -187,6 +187,10 @@ function exit_with_error () {
 
 function preflight () {
 	mkdir -p "$REDPRINE_DATA_DIR"
+
+	if [ ! -f "$CACHE_FILE" ]; then
+		echo '[]' > "$CACHE_FILE"
+	fi
 }
 
 function argument_error () {
-- 
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