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command-not-found: add NIX_AUTO_RUN

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This commit is contained in:
Nathan Zadoks 2015-12-27 16:36:17 +01:00
parent 1a07ecf9c5
commit 254eebd8a0
2 changed files with 4 additions and 1 deletions
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2
nixos/modules/programs/command-not-found/command-not-found.nix
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@ -16,7 +16,7 @@ let
isExecutable = true; isExecutable = true;
inherit (pkgs) perl; inherit (pkgs) perl;
perlFlags = concatStrings (map (path: "-I ${path}/lib/perl5/site_perl ") perlFlags = concatStrings (map (path: "-I ${path}/lib/perl5/site_perl ")
[ pkgs.perlPackages.DBI pkgs.perlPackages.DBDSQLite ]); [ pkgs.perlPackages.DBI pkgs.perlPackages.DBDSQLite pkgs.perlPackages.StringShellQuote ]);
}; };
in in

3
nixos/modules/programs/command-not-found/command-not-found.pl
View File

@ -3,6 +3,7 @@
use strict; use strict;
use DBI; use DBI;
use DBD::SQLite; use DBD::SQLite;
use String::ShellQuote;
use Config; use Config;
my $program = $ARGV[0]; my $program = $ARGV[0];
@ -31,6 +32,8 @@ the package ‘$package’, which I will now install for you.
EOF EOF
; ;
exit 126 if system("nix-env", "-iA", "nixos.$package") == 0; exit 126 if system("nix-env", "-iA", "nixos.$package") == 0;
} elsif ($ENV{"NIX_AUTO_RUN"} // "") {
exec("nix-shell", "-p", $package, "--run", shell_quote("exec", @ARGV));
} else { } else {
print STDERR <<EOF; print STDERR <<EOF;
The program ‘$program’ is currently not installed. You can install it by typing: The program ‘$program’ is currently not installed. You can install it by typing: