/**
* Ensure the runfiles tree exists and is consistent with the TestAction's manifest
* ($0.runfiles_manifest), bringing it into consistency if not. The contents of the output file
* $0.runfiles/MANIFEST, if it exists, are used a proxy for the set of existing symlinks, to avoid
* the need for recursion.
*/
private static void updateLocalRunfilesDirectory(
TestRunnerAction testAction,
Path runfilesDir,
ActionExecutionContext actionExecutionContext,
BinTools binTools,
ImmutableMap<String, String> shellEnvironment,
boolean enableRunfiles)
throws ExecException, InterruptedException {
Executor executor = actionExecutionContext.getExecutor();
TestTargetExecutionSettings execSettings = testAction.getExecutionSettings();
try {
// Avoid rebuilding the runfiles directory if the manifest in it matches the input manifest,
// implying the symlinks exist and are already up to date.
if (Arrays.equals(
runfilesDir.getRelative("MANIFEST").getMD5Digest(),
execSettings.getInputManifest().getPath().getMD5Digest())) {
return;
}
} catch (IOException e1) {
// Ignore it - we will just try to create runfiles directory.
}
executor
.getEventHandler()
.handle(
Event.progress(
"Building runfiles directory for '"
+ execSettings.getExecutable().prettyPrint()
+ "'."));
new SymlinkTreeHelper(execSettings.getInputManifest().getPath(), runfilesDir, false)
.createSymlinks(
testAction, actionExecutionContext, binTools, shellEnvironment, enableRunfiles);
executor.getEventHandler().handle(Event.progress(testAction.getProgressMessage()));
}
