diff options
Diffstat (limited to 'src/nix/develop.cc')
-rw-r--r-- | src/nix/develop.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/nix/develop.cc b/src/nix/develop.cc index 07672a80a..2790ff154 100644 --- a/src/nix/develop.cc +++ b/src/nix/develop.cc @@ -318,7 +318,7 @@ struct Common : InstallableCommand, MixProfile for (auto & i : {"TMP", "TMPDIR", "TEMP", "TEMPDIR"}) out << fmt("export %s=\"$NIX_BUILD_TOP\"\n", i); - out << "eval \"$shellHook\"\n"; + out << "eval \"${shellHook:-}\"\n"; auto script = out.str(); |