src/libcmd/repl.cc: avoid unneeded reload after :e

If `:edit`ing a store path, don't reload repl afterwards
to avoid losing local variables: store is immutable,
so "editing" a store path is always just viewing it.

Resolves: https://git.lix.systems/lix-project/lix/issues/341
Change-Id: I3747f75ce26e0595e953069c39ddc3ee80699718

1 files changed, 27 insertions, 0 deletions

diff --git a/tests/functional/repl.sh b/tests/functional/repl.sh
index cd56b4d92..22c69e20b 100644
--- a/tests/functional/repl.sh
+++ b/tests/functional/repl.sh
@@ -244,3 +244,30 @@ testReplResponseNoRegex '
   y = { a = 1; };
 }
 '
+
+# Test that editing a store path does not reload...
+echo '{ identity = a: a; }' > repl-test.nix
+repl_test_store="$(nix-store --add repl-test.nix)"
+EDITOR=true testReplResponseNoRegex "
+a = ''test string that we'll grep later''
+:l $repl_test_store
+:e identity
+a
+" "test string that we'll grep later"
+
+# ...even through symlinks
+ln -s "$repl_test_store" repl-test-link.nix
+EDITOR=true testReplResponseNoRegex "
+a = ''test string that we'll grep later''
+:l repl-test-link.nix
+:e identity
+a
+" "test string that we'll grep later"
+
+# Test that editing a local file does reload
+EDITOR=true testReplResponseNoRegex "
+a = ''test string that we'll grep later''
+:l repl-test.nix
+:e identity
+a
+" "undefined variable"