/**
* 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)) {
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();
}
}
}
/** Lookup the artifacts generated for this package in the previous build. */
private Map<String, File> fetchPrevArtifacts(String pkg) {
Package p = prev.packages().get(pkg);
if (p != null) {
return p.artifacts();
}
return new HashMap<>();
}
/**
* Propagate recompilation through the dependency chains. Avoid re-tainting packages that have
* already been compiled.
*/
public void taintPackagesDependingOnChangedPackages(
Set<String> pkgs, Set<String> recentlyCompiled) {
for (Package pkg : prev.packages().values()) {
for (String dep : pkg.dependencies()) {
if (pkgs.contains(dep) && !recentlyCompiled.contains(pkg.name())) {
taintPackage(pkg.name(), " its depending on " + dep);
}
}
}
}
/** If artifacts have gone missing, force a recompile of the packages they belong to. */
public void taintPackagesThatMissArtifacts() {
for (Package pkg : prev.packages().values()) {
for (File f : pkg.artifacts().values()) {
if (!f.exists()) {
// Hmm, the artifact on disk does not exist! Someone has removed it....
// Lets rebuild the package.
taintPackage(pkg.name(), "" + f + " is missing.");
}
}
}
}
/** Mark a java package as tainted, ie it needs recompilation. */
public void taintPackage(String name, String because) {
if (!taintedPackages.contains(name)) {
if (because != null)
Log.debug("Tainting " + Util.justPackageName(name) + " because " + because);
// It has not been tainted before.
taintedPackages.add(name);
needsSaving();
Package nowp = now.packages().get(name);
if (nowp != null) {
for (String d : nowp.dependents()) {
taintPackage(d, because);
}
}
}
}
/** Remove artifacts that are no longer produced when compiling! */
public void removeSuperfluousArtifacts(Set<String> recentlyCompiled) {
// Nothing to do, if nothing was recompiled.
if (recentlyCompiled.size() == 0) return;
for (String pkg : now.packages().keySet()) {
// If this package has not been recompiled, skip the check.
if (!recentlyCompiled.contains(pkg)) continue;
Collection<File> arts = now.artifacts().values();
for (File f : fetchPrevArtifacts(pkg).values()) {
if (!arts.contains(f)) {
Log.debug("Removing " + f.getPath() + " since it is now superfluous!");
if (f.exists()) f.delete();
}
}
}
}
