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
|
#include "common-args.hh"
#include "globals.hh"
#include "loggers.hh"
namespace nix {
MixCommonArgs::MixCommonArgs(const string & programName)
: programName(programName)
{
addFlag({
.longName = "verbose",
.shortName = 'v',
.description = "Increase the logging verbosity level.",
.handler = {[]() { verbosity = (Verbosity) (verbosity + 1); }},
});
addFlag({
.longName = "quiet",
.description = "Decrease the logging verbosity level.",
.handler = {[]() { verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError; }},
});
addFlag({
.longName = "debug",
.description = "Set the logging verbosity level to 'debug'.",
.handler = {[]() { verbosity = lvlDebug; }},
});
addFlag({
.longName = "option",
.description = "Set the Nix configuration setting *name* to *value* (overriding `nix.conf`).",
.labels = {"name", "value"},
.handler = {[](std::string name, std::string value) {
try {
globalConfig.set(name, value);
} catch (UsageError & e) {
if (!completions)
warn(e.what());
}
}},
.completer = [](size_t index, std::string_view prefix) {
if (index == 0) {
std::map<std::string, Config::SettingInfo> settings;
globalConfig.getSettings(settings);
for (auto & s : settings)
if (hasPrefix(s.first, prefix))
completions->add(s.first, fmt("Set the `%s` setting.", s.first));
}
}
});
addFlag({
.longName = "log-format",
.description = "Set the format of log output; one of `raw`, `internal-json`, `bar` or `bar-with-logs`.",
.labels = {"format"},
.handler = {[](std::string format) { setLogFormat(format); }},
});
addFlag({
.longName = "max-jobs",
.shortName = 'j',
.description = "The maximum number of parallel builds.",
.labels = Strings{"jobs"},
.handler = {[=](std::string s) {
settings.set("max-jobs", s);
}}
});
std::string cat = "config";
globalConfig.convertToArgs(*this, cat);
// Backward compatibility hack: nix-env already had a --system flag.
if (programName == "nix-env") longFlags.erase("system");
hiddenCategories.insert(cat);
}
}
|
