From 526bdbda3cfa396808a12e6598df50dacb04e6dd Mon Sep 17 00:00:00 2001
From: lbodor <lazar.bodor@ga.gov.au>
Date: Sun, 12 Mar 2023 22:40:47 +1100
Subject: print-dev-env: stop inadvertently adding . to PATH

---
 src/nix/develop.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/nix/develop.cc b/src/nix/develop.cc
index 9d07a7a85..0ee533e85 100644
--- a/src/nix/develop.cc
+++ b/src/nix/develop.cc
@@ -313,7 +313,7 @@ struct Common : InstallableCommand, MixProfile
         buildEnvironment.toBash(out, ignoreVars);
 
         for (auto & var : savedVars)
-            out << fmt("%s=\"$%s:$nix_saved_%s\"\n", var, var, var);
+            out << fmt("%s=\"$%s${nix_saved_%s:+:$nix_saved_%s}\"\n", var, var, var, var);
 
         out << "export NIX_BUILD_TOP=\"$(mktemp -d -t nix-shell.XXXXXX)\"\n";
         for (auto & i : {"TMP", "TMPDIR", "TEMP", "TEMPDIR"})
-- 
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