@Nullable
private String getSingleTargetDir(@NotNull CheckoutRules rules) {
Set<String> targetDirs = new HashSet<String>();
for (IncludeRule rule : rules.getRootIncludeRules()) {
String from = rule.getFrom();
String to = rule.getTo();
if (from.equals("")) {
targetDirs.add(to);
continue;
}
if (from.equals(to)) {
targetDirs.add("");
continue;
}
int prefixEnd = to.lastIndexOf(from);
if (prefixEnd == -1) // rule of form +:a=>b, but we don't support such mapping
return null;
String prefix = to.substring(0, prefixEnd);
if (!prefix.endsWith("/")) // rule of form +:a=>ab, but we don't support such mapping
return null;
prefix = prefix.substring(0, prefix.length() - 1);
targetDirs.add(prefix);
}
if (targetDirs.isEmpty()) return "";
if (targetDirs.size() > 1) // no single target dir
return null;
return targetDirs.iterator().next();
}
public Collection<VcsClientMapping> getClientMapping(
final @NotNull VcsRoot root, final @NotNull IncludeRule rule) throws VcsException {
final OperationContext context = createContext(root, "client-mapping");
try {
GitVcsRoot gitRoot = context.getGitRoot();
URIish uri = gitRoot.getRepositoryFetchURL();
return Collections.singletonList(
new VcsClientMapping(
String.format("|%s|%s", uri.toString(), rule.getFrom()), rule.getTo()));
} finally {
context.close();
}
}
