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Remove the builder-files option

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You can now include files via the "builders" option, using the syntax
"@<filename>". Having only one option makes it easier to override
builders completely.

For backward compatibility, the default is "@/etc/nix/machines", or
"@<filename>" for each file name in NIX_REMOTE_SYSTEMS.
This commit is contained in:
Eelco Dolstra 2017-10-24 10:52:34 +02:00
parent d4609bb3af
commit af241ae7d3
No known key found for this signature in database
GPG key ID: 8170B4726D7198DE
3 changed files with 21 additions and 16 deletions
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24
src/libstore/machines.cc
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@ -47,9 +47,22 @@ bool Machine::mandatoryMet(const std::set<string> & features) const {
void parseMachines(const std::string & s, Machines & machines)
{
for (auto line : tokenizeString<std::vector<string>>(s, "\n;")) {
chomp(line);
trim(line);
line.erase(std::find(line.begin(), line.end(), '#'), line.end());
if (line.empty()) continue;
if (line[0] == '@') {
auto file = trim(std::string(line, 1));
try {
parseMachines(readFile(file), machines);
} catch (const SysError & e) {
if (e.errNo != ENOENT)
throw;
debug("cannot find machines file '%s'", file);
}
continue;
}
auto tokens = tokenizeString<std::vector<string>>(line);
auto sz = tokens.size();
if (sz < 1)
@ -74,15 +87,6 @@ Machines getMachines()
{
Machines machines;
for (auto & file : settings.builderFiles.get()) {
try {
parseMachines(readFile(file), machines);
} catch (const SysError & e) {
if (e.errNo != ENOENT)
throw;
}
}
parseMachines(settings.builders, machines);
return machines;