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Merge pull request #12000 from nathan7/nix-auto-run

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command-not-found: add NIX_AUTO_RUN option, to automatically invoke nix-shell
This commit is contained in:
Nikolay Amiantov 2016-01-03 03:22:50 +03:00
parent 91fbdd3ee2 e60c4995fd
commit e312276b01
4 changed files with 21 additions and 3 deletions
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6
nixos/modules/programs/command-not-found/command-not-found.nix
View file

@ -16,7 +16,7 @@ let
isExecutable = true;
inherit (pkgs) 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
@ -30,7 +30,7 @@ in
local p=/run/current-system/sw/bin/command-not-found
if [ -x $p -a -f /nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite ]; then
# Run the helper program.
$p "$1"
$p "$@"
# Retry the command if we just installed it.
if [ $? = 126 ]; then
"$@"
@ -51,7 +51,7 @@ in
local p=/run/current-system/sw/bin/command-not-found
if [ -x $p -a -f /nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite ]; then
# Run the helper program.
$p "$1"
$p "$@"
# Retry the command if we just installed it.
if [ $? = 126 ]; then

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

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

13
pkgs/shells/fish/command-not-found.patch Normal file
View file

@ -0,0 +1,13 @@
diff --git a/share/functions/__fish_config_interactive.fish b/share/functions/__fish_config_interactive.fish
index c3864a8..a12ac4d 100644
--- a/share/functions/__fish_config_interactive.fish
+++ b/share/functions/__fish_config_interactive.fish
@@ -230,7 +230,7 @@ function __fish_config_interactive -d "Initializations that should be performed
# Check for NixOS handler
else if test -f /run/current-system/sw/bin/command-not-found
function __fish_command_not_found_handler --on-event fish_command_not_found
- /run/current-system/sw/bin/command-not-found $argv[1]
+ /run/current-system/sw/bin/command-not-found $argv
end
# Ubuntu Feisty places this command in the regular path instead
else if type -q -p command-not-found

2
pkgs/shells/fish/default.nix
View file

@ -4,6 +4,8 @@ stdenv.mkDerivation rec {
name = "fish-${version}";
version = "2.2.0";
patches = [ ./command-not-found.patch ];
src = fetchurl {
url = "http://fishshell.com/files/${version}/${name}.tar.gz";
sha256 = "0ympqz7llmf0hafxwglykplw6j5cz82yhlrw50lw4bnf2kykjqx7";