private static String getUnmigrationCommandLine(File jenkinsHome) {
StringBuilder cp = new StringBuilder();
for (Class<?> c :
new Class<?>[] {
RunIdMigrator.class, /* TODO how to calculate transitive dependencies automatically? */
Charsets.class,
WriterOutputStream.class,
BuildException.class,
FastDateFormat.class
}) {
URL location = c.getProtectionDomain().getCodeSource().getLocation();
String locationS = location.toString();
if (location.getProtocol().equals("file")) {
try {
locationS = new File(location.toURI()).getAbsolutePath();
} catch (URISyntaxException x) {
// never mind
}
}
if (cp.length() > 0) {
cp.append(File.pathSeparator);
}
cp.append(locationS);
}
return String.format(
"java -classpath \"%s\" %s \"%s\"", cp, RunIdMigrator.class.getName(), jenkinsHome);
}
