Handle the case where $SHELL is not set

1fb30e6d · Eelco Dolstra · 8f6146a7 · 1fb30e6d
Commit 1fb30e6d authored 12 years ago by Eelco Dolstra
--- a/scripts/nix-build.in
+++ b/scripts/nix-build.in
@@ -14,7 +14,8 @@ my @instArgs = ();
 my @buildArgs = ();
 my @exprs = ();
-my $envCommand = "p=\$PATH; source \$stdenv/setup; PATH=\$PATH:\$p; exec $ENV{SHELL}";
+my $shell = $ENV{SHELL} || "/bin/sh";
+my $envCommand = "p=\$PATH; source \$stdenv/setup; PATH=\$PATH:\$p; exec $shell";
 my @envExclude = ();