From 03ab49aeeb0c7c64216efcc817255d8790af4d1d Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Sat, 29 Sep 2018 12:09:18 +1000
Subject: [PATCH] fetch_trees: explicitly check that a tree exists

---
 fetch_trees | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/fetch_trees b/fetch_trees
index 87e1b6c..2747e92 100755
--- a/fetch_trees
+++ b/fetch_trees
@@ -108,9 +108,13 @@ for name in $trees; do
 	}
 
 	type=$(get_field "$name" 2)
+	if ! [ "$type" ]; then
+		printf "%s: unknown tree\n" "$name" 1>&2
+		continue
+	fi
 
 	echo $name: $type
-	[ $(type -t "fetch_$type") = "function" ] &&
+	[ "$(type -t fetch_$type)" = "function" ] &&
 		fetch_$type "$name"
 done
 
-- 
2.39.5