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nix: Respect -I, --arg, --argstr

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Also, random cleanup to argument handling.
This commit is contained in:
Eelco Dolstra 2017-10-24 12:45:11 +02:00
parent 25f32625e2
commit 0d59f1ca49
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GPG key ID: 8170B4726D7198DE
26 changed files with 349 additions and 299 deletions
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28
src/libmain/common-args.cc
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@ -6,28 +6,30 @@ namespace nix {
MixCommonArgs::MixCommonArgs(const string & programName)
: programName(programName)
{
mkFlag('v', "verbose", "increase verbosity level", []() {
verbosity = (Verbosity) (verbosity + 1);
});
mkFlag()
.longName("verbose")
.shortName('v')
.description("increase verbosity level")
.handler([]() { verbosity = (Verbosity) (verbosity + 1); });
mkFlag(0, "quiet", "decrease verbosity level", []() {
verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError;
});
mkFlag()
.longName("quiet")
.description("decrease verbosity level")
.handler([]() { verbosity = verbosity > lvlError ? (Verbosity) (verbosity - 1) : lvlError; });
mkFlag(0, "debug", "enable debug output", []() {
verbosity = lvlDebug;
});
mkFlag()
.longName("debug")
.description("enable debug output")
.handler([]() { verbosity = lvlDebug; });
mkFlag()
.longName("option")
.labels({"name", "value"})
.description("set a Nix configuration option (overriding nix.conf)")
.arity(2)
.handler([](Strings ss) {
auto name = ss.front(); ss.pop_front();
auto value = ss.front();
.handler([](std::vector<std::string> ss) {
try {
settings.set(name, value);
settings.set(ss[0], ss[1]);
} catch (UsageError & e) {
warn(e.what());
}