From ca8d89021f3fab0344dcc1f27d3789102caf32a0 Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Sat, 3 Oct 2020 19:31:54 +0300
Subject: [PATCH] kiss: detect circular dependencies

---
 kiss | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kiss b/kiss
index f3bb3de..d87f4ec 100755
--- a/kiss
+++ b/kiss
@@ -415,6 +415,11 @@ pkg_depends() {
         # Recurse through the dependencies of the child packages.
         [ -f "$repo_dir/depends" ] &&
             while read -r dep _ || [ "$dep" ]; do
+                _deps_seen="$_deps_seen $dep"
+
+                contains "$_deps_seen" "$1 $dep $1 $dep $1 $dep" &&
+                    die "circular dependency between '$1' and '$dep'"
+
                 case $dep-$2 in
                     "$1-$2")
                         log "warning: '$1' depends on itself"