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nix-shell: Barf if -p and -E are both used

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Closes #454, #455.
This commit is contained in:
Eelco Dolstra 2015-05-21 17:04:34 +02:00
parent 4ca5a9dcfd
commit e0a068cb97
1 changed files with 2 additions and 0 deletions
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2
scripts/nix-build.in
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@ -217,6 +217,8 @@ for (my $n = 0; $n < scalar @ARGV; $n++) {
} }
} }
die "$0: ‘-p’ and ‘-E’ are mutually exclusive\n" if $packages && $fromArgs;
if ($packages) { if ($packages) {
push @instArgs, "--expr"; push @instArgs, "--expr";
@exprs = ( @exprs = (