From af74cc6aaa620236fa4c73e4d5c85ccffc0e590a Mon Sep 17 00:00:00 2001
From: Anant Thazhemadam <anant.thazhemadam@juliahub.com>
Date: Thu, 28 Sep 2023 15:04:24 +0530
Subject: [PATCH] fix: add check for `nothing` as manifest file in
 active_project_watcher

Since `manifest_file()` can return `nothing` as well, add a check/guard
for when it's `nothing` in `active_project_watcher`.
---
 src/pkgs.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pkgs.jl b/src/pkgs.jl
index 14587f2a..3b52ddc3 100644
--- a/src/pkgs.jl
+++ b/src/pkgs.jl
@@ -493,7 +493,7 @@ end
 
 function active_project_watcher()
     mfile = manifest_file()
-    if mfile ∉ watched_manifests
+    if !isnothing(mfile) && mfile ∉ watched_manifests
         push!(watched_manifests, mfile)
         wmthunk = TaskThunk(watch_manifest, (mfile,))
         schedule(Task(wmthunk))