blob: a4cd233cf70e493cdb6d7aaf73f0812ad7ba953b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.powerline-go;
# Convert an option value to a string to be passed as argument to
# powerline-go:
valueToString = value:
if builtins.isList value then
builtins.concatStringsSep "," (builtins.map valueToString value)
else if builtins.isAttrs value then
valueToString
(mapAttrsToList (key: val: "${valueToString key}=${valueToString val}")
value)
else
builtins.toString value;
modulesArgument = optionalString (cfg.modules != null)
"-modules ${valueToString cfg.modules}";
newlineArgument = optionalString cfg.newline "-newline";
pathAliasesArgument = optionalString (cfg.pathAliases != null)
"-path-aliases ${valueToString cfg.pathAliases}";
otherSettingPairArgument = name: value:
if value == true then "-${name}" else "-${name} ${valueToString value}";
otherSettingsArgument = optionalString (cfg.settings != { })
(concatStringsSep " "
(mapAttrsToList otherSettingPairArgument cfg.settings));
commandLineArguments = ''
${modulesArgument} ${newlineArgument} ${pathAliasesArgument} ${otherSettingsArgument}
'';
in {
meta.maintainers = [ maintainers.DamienCassou ];
options = {
programs.powerline-go = {
enable = mkEnableOption
"Powerline-go, a beautiful and useful low-latency prompt for your shell";
modules = mkOption {
default = null;
type = types.nullOr (types.listOf types.str);
description = ''
List of module names to load. The list of all available
modules as well as the choice of default ones are at
<link xlink:href="https://github.com/justjanne/powerline-go"/>.
'';
example = [ "host" "ssh" "cwd" "gitlite" "jobs" "exit" ];
};
newline = mkOption {
default = false;
type = types.bool;
description = ''
Set to true if the prompt should be on a line of its own.
'';
example = true;
};
pathAliases = mkOption {
default = null;
type = types.nullOr (types.attrsOf types.str);
description = ''
Pairs of full-path and corresponding desired short name. You
may use '~' to represent your home directory but you should
protect it to avoid shell substitution.
'';
example = literalExample ''
{ "\\~/projects/home-manager" = "prj:home-manager"; }
'';
};
settings = mkOption {
default = { };
type = with types; attrsOf (oneOf [ bool int str (listOf str) ]);
description = ''
This can be any key/value pair as described in
<link xlink:href="https://github.com/justjanne/powerline-go"/>.
'';
example = literalExample ''
{
hostname-only-if-ssh = true;
numeric-exit-codes = true;
cwd-max-depth = 7;
ignore-repos = [ "/home/me/big-project" "/home/me/huge-project" ];
}
'';
};
extraUpdatePS1 = mkOption {
default = "";
description = "Shell code to execute after the prompt is set.";
example = ''
PS1=$PS1"NixOS> ";
'';
type = types.str;
};
};
};
config = mkIf (cfg.enable && config.programs.bash.enable) {
programs.bash.initExtra = ''
function _update_ps1() {
local old_exit_status=$?
PS1="$(${pkgs.powerline-go}/bin/powerline-go -error $old_exit_status ${commandLineArguments})"
${cfg.extraUpdatePS1}
return $old_exit_status
}
if [ "$TERM" != "linux" ]; then
PROMPT_COMMAND="_update_ps1;$PROMPT_COMMAND"
fi
'';
};
}
|
