/**
* Scan all output dirs for artifacts and remove those files (artifacts?) that are not recognized
* as such, in the javac_state file.
*/
public void removeUnidentifiedArtifacts() {
Set<File> allKnownArtifacts = new HashSet<>();
for (Package pkg : prev.packages().values()) {
for (File f : pkg.artifacts().values()) {
allKnownArtifacts.add(f);
}
}
// Do not forget about javac_state....
allKnownArtifacts.add(javacState);
for (File f : binArtifacts) {
if (!allKnownArtifacts.contains(f)
&& !options.isUnidentifiedArtifactPermitted(f.getAbsolutePath())) {
Log.debug("Removing " + f.getPath() + " since it is unknown to the javac_state.");
f.delete();
}
}
for (File f : headerArtifacts) {
if (!allKnownArtifacts.contains(f)) {
Log.debug("Removing " + f.getPath() + " since it is unknown to the javac_state.");
f.delete();
}
}
for (File f : gensrcArtifacts) {
if (!allKnownArtifacts.contains(f)) {
Log.debug("Removing " + f.getPath() + " since it is unknown to the javac_state.");
f.delete();
}
}
}
JavacState(Options op, boolean removeJavacState, PrintStream o, PrintStream e) {
options = op;
out = o;
err = e;
numCores = options.getNumCores();
theArgs = options.getStateArgsString();
binDir = Util.pathToFile(options.getDestDir());
gensrcDir = Util.pathToFile(options.getGenSrcDir());
headerDir = Util.pathToFile(options.getHeaderDir());
stateDir = Util.pathToFile(options.getStateDir());
javacState = new File(stateDir, "javac_state");
if (removeJavacState && javacState.exists()) {
javacState.delete();
}
newJavacState = false;
if (!javacState.exists()) {
newJavacState = true;
// If there is no javac_state then delete the contents of all the artifact dirs!
// We do not want to risk building a broken incremental build.
// BUT since the makefiles still copy things straight into the bin_dir et al,
// we avoid deleting files here, if the option --permit-unidentified-classes was supplied.
if (!options.areUnidentifiedArtifactsPermitted()) {
deleteContents(binDir);
deleteContents(gensrcDir);
deleteContents(headerDir);
}
needsSaving = true;
}
prev = new BuildState();
now = new BuildState();
taintedPackages = new HashSet<>();
recompiledPackages = new HashSet<>();
packagesWithChangedPublicApis = new HashSet<>();
}
/** Recursively delete a directory and all its contents. */
private void deleteContents(File dir) {
if (dir != null && dir.exists()) {
for (File f : dir.listFiles()) {
if (f.isDirectory()) {
deleteContents(f);
}
if (!options.isUnidentifiedArtifactPermitted(f.getAbsolutePath())) {
Log.debug("Removing " + f.getAbsolutePath());
f.delete();
}
}
}
}
