pyrox.dev
command-not-found: add options
add option to disable command-not-found as well as option to define dbPath.
Disabling this may remove the perl dependency for bash/zsh prompts
+55
-38
nixos/modules/programs/command-not-found/command-not-found.nix
+55
-38
nixos/modules/programs/command-not-found/command-not-found.nix
···
8
with lib;
9
10
let
11
-
12
commandNotFound = pkgs.substituteAll {
13
name = "command-not-found";
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dir = "bin";
15
src = ./command-not-found.pl;
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isExecutable = true;
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inherit (pkgs) perl;
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perlFlags = concatStrings (map (path: "-I ${path}/lib/perl5/site_perl ")
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[ pkgs.perlPackages.DBI pkgs.perlPackages.DBDSQLite pkgs.perlPackages.StringShellQuote ]);
20
};
···
22
in
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24
{
25
26
-
programs.bash.interactiveShellInit =
27
-
''
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-
# This function is called whenever a command is not found.
29
-
command_not_found_handle() {
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-
local p=/run/current-system/sw/bin/command-not-found
31
-
if [ -x $p -a -f /nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite ]; then
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-
# Run the helper program.
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-
$p "$@"
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-
# Retry the command if we just installed it.
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-
if [ $? = 126 ]; then
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-
"$@"
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else
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return 127
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fi
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-
else
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-
echo "$1: command not found" >&2
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-
return 127
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-
fi
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-
}
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-
'';
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47
-
programs.zsh.interactiveShellInit =
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-
''
49
-
# This function is called whenever a command is not found.
50
-
command_not_found_handler() {
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-
local p=/run/current-system/sw/bin/command-not-found
52
-
if [ -x $p -a -f /nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite ]; then
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-
# Run the helper program.
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-
$p "$@"
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56
-
# Retry the command if we just installed it.
57
-
if [ $? = 126 ]; then
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-
"$@"
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fi
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-
else
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-
# Indicate than there was an error so ZSH falls back to its default handler
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-
return 127
63
-
fi
64
-
}
65
-
'';
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67
-
environment.systemPackages = [ commandNotFound ];
68
-
69
-
# TODO: tab completion for uninstalled commands! :-)
70
71
}
···
8
with lib;
9
10
let
11
+
cfg = config.programs.command-not-found;
12
commandNotFound = pkgs.substituteAll {
13
name = "command-not-found";
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dir = "bin";
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src = ./command-not-found.pl;
16
isExecutable = true;
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inherit (pkgs) perl;
18
+
inherit (cfg) dbPath;
19
perlFlags = concatStrings (map (path: "-I ${path}/lib/perl5/site_perl ")
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[ pkgs.perlPackages.DBI pkgs.perlPackages.DBDSQLite pkgs.perlPackages.StringShellQuote ]);
21
};
···
23
in
24
25
{
26
+
options.programs.command-not-found = {
27
+
28
+
enable = mkEnableOption "command-not-found hook for interactive shell";
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30
+
dbPath = mkOption {
31
+
default = "/nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite" ;
32
+
description = ''
33
+
Absolute path to programs.sqlite.
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+
35
+
By default this file will be provided by your channel
36
+
(nixexprs.tar.xz).
37
+
'';
38
+
type = types.path;
39
+
};
40
+
};
41
+
42
+
config = mkIf cfg.enable {
43
+
programs.bash.interactiveShellInit =
44
+
''
45
+
# This function is called whenever a command is not found.
46
+
command_not_found_handle() {
47
+
local p=${commandNotFound}
48
+
if [ -x $p -a -f ${cfg.dbPath} ]; then
49
+
# Run the helper program.
50
+
$p "$@"
51
+
# Retry the command if we just installed it.
52
+
if [ $? = 126 ]; then
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+
"$@"
54
+
else
55
+
return 127
56
+
fi
57
else
58
+
echo "$1: command not found" >&2
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return 127
60
fi
61
+
}
62
+
'';
63
64
+
programs.zsh.interactiveShellInit =
65
+
''
66
+
# This function is called whenever a command is not found.
67
+
command_not_found_handler() {
68
+
local p=${commandNotFound}
69
+
if [ -x $p -a -f ${cfg.dbPath} ]; then
70
+
# Run the helper program.
71
+
$p "$@"
72
73
+
# Retry the command if we just installed it.
74
+
if [ $? = 126 ]; then
75
+
"$@"
76
+
fi
77
+
else
78
+
# Indicate than there was an error so ZSH falls back to its default handler
79
+
echo "$1: command not found" >&2
80
+
return 127
81
fi
82
+
}
83
+
'';
84
85
+
environment.systemPackages = [ commandNotFound ];
86
+
};
87
88
}
+1
-1
nixos/modules/programs/command-not-found/command-not-found.pl
+1
-1
nixos/modules/programs/command-not-found/command-not-found.pl