diff options
| -rwxr-xr-x | scripts/nix-build.in | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/nix-build.in b/scripts/nix-build.in index 4bf85ae138d8..8ac95e90e59e 100755 --- a/scripts/nix-build.in +++ b/scripts/nix-build.in @@ -209,7 +209,7 @@ foreach my $expr (@exprs) { '[ -e $stdenv/setup ] && source $stdenv/setup; ' . ($pure ? '' : 'PATH=$PATH:$p; ') . 'set +e; ' . - 'PS1="\n\[\033[1;32m\][nix-shell:\w]$\[\033[0m\] "; ' . + '[ -n "$PS1" ] && PS1="\n\[\033[1;32m\][nix-shell:\w]$\[\033[0m\] "; ' . 'unset NIX_ENFORCE_PURITY; ' . 'shopt -u nullglob; ' . $envCommand); |