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Merge pull request #2995 from tweag/post-build-hook

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Add a post build hook
This commit is contained in:
Eelco Dolstra 2019-08-07 15:02:29 +02:00 • committed by GitHub
commit 56df30cd3f
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13 changed files with 337 additions and 4 deletions
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55
src/libstore/build.cc
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@ -1629,6 +1629,61 @@ void DerivationGoal::buildDone()
being valid. */
registerOutputs();
if (settings.postBuildHook != "") {
Activity act(*logger, lvlInfo, actPostBuildHook,
fmt("running post-build-hook '%s'", settings.postBuildHook),
Logger::Fields{drvPath});
PushActivity pact(act.id);
auto outputPaths = drv->outputPaths();
std::map<std::string, std::string> hookEnvironment = getEnv();
hookEnvironment.emplace("DRV_PATH", drvPath);
hookEnvironment.emplace("OUT_PATHS", chomp(concatStringsSep(" ", outputPaths)));
RunOptions opts(settings.postBuildHook, {});
opts.environment = hookEnvironment;
struct LogSink : Sink {
Activity & act;
std::string currentLine;
LogSink(Activity & act) : act(act) { }
void operator() (const unsigned char * data, size_t len) override {
for (size_t i = 0; i < len; i++) {
auto c = data[i];
if (c == '\n') {
flushLine();
} else {
currentLine += c;
}
}
}
void flushLine() {
if (settings.verboseBuild) {
printError("post-build-hook: " + currentLine);
} else {
act.result(resPostBuildLogLine, currentLine);
}
currentLine.clear();
}
~LogSink() {
if (currentLine != "") {
currentLine += '\n';
flushLine();
}
}
};
LogSink sink(act);
opts.standardOut = &sink;
opts.mergeStderrToStdout = true;
runProgram2(opts);
}
if (buildMode == bmCheck) {
done(BuildResult::Built);
return;

3
src/libstore/globals.hh
View file

@ -315,6 +315,9 @@ public:
"pre-build-hook",
"A program to run just before a build to set derivation-specific build settings."};
Setting<std::string> postBuildHook{this, "", "post-build-hook",
"A program to run just after each succesful build."};
Setting<std::string> netrcFile{this, fmt("%s/%s", nixConfDir, "netrc"), "netrc-file",
"Path to the netrc file used to obtain usernames/passwords for downloads."};