···

       
28
       
 
       
} elsif ($len == 1) {

     

       
29
       
 
       
    my $package = @$res[0]->{package};

     

       
30
       
 
       
    if ($ENV{"NIX_AUTO_RUN"} // "") {

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
0
       
 
       

     

       
31
       
 
       
        exec("nix-shell", "-p", $package, "--run", shell_quote("exec", @ARGV));

     

       
32
       
 
       
    } else {

     

       
33
       
 
       
        print STDERR <<EOF;

     

···

       
28
       
 
       
} elsif ($len == 1) {

     

       
29
       
 
       
    my $package = @$res[0]->{package};

     

       
30
       
 
       
    if ($ENV{"NIX_AUTO_RUN"} // "") {

     

       
31
       
+
       
        if ($ENV{"NIX_AUTO_RUN_INTERACTIVE"} // "") {

     

       
32
       
+
       
            while (1) {

     

       
33
       
+
       
                print STDERR "'$program' from package '$package' will be run, confirm? [yn]: ";

     

       
34
       
+
       
                chomp(my $comfirm = <STDIN>);

     

       
35
       
+
       
                if (lc $comfirm eq "n") {

     

       
36
       
+
       
                    exit 0;

     

       
37
       
+
       
                } elsif (lc $comfirm eq "y") {

     

       
38
       
+
       
                    last;

     

       
39
       
+
       
                }

     

       
40
       
+
       
            }

     

       
41
       
+
       
        }

     

       
42
       
 
       
        exec("nix-shell", "-p", $package, "--run", shell_quote("exec", @ARGV));

     

       
43
       
 
       
    } else {

     

       
44
       
 
       
        print STDERR <<EOF;