From 6851f0c2d06e2b22ff376d8f0912d1e9d7893a89 Mon Sep 17 00:00:00 2001
From: Karen Arutyunov <karen@codesynthesis.com>
Date: Mon, 2 Aug 2021 22:40:16 +0300
Subject: Fix rep-fetch crash due to 'object not persistent' odb exception

---
 bpkg/rep-fetch.cxx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/bpkg/rep-fetch.cxx b/bpkg/rep-fetch.cxx
index 531f1d0..f6165b7 100644
--- a/bpkg/rep-fetch.cxx
+++ b/bpkg/rep-fetch.cxx
@@ -1265,7 +1265,14 @@ namespace bpkg
       // Remove dangling repositories.
       //
       for (const shared_ptr<repository>& r: removed_repositories)
-        rep_remove (db, t, r);
+      {
+        // Prior to removing the repository we need to make sure it still
+        // exists, which may not be the case due to earlier removal of the
+        // dependent dangling repository.
+        //
+        if (db.find<repository> (r->name) != nullptr)
+          rep_remove (db, t, r);
+      }
 
       // Remove dangling repository fragments.
       //
-- 
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