protected void makeCombination(Map<IndexEntry, Revision> settings) {
// Assume we are checked out
String name = "combine-" + tid + "-" + (idx++);
git.branch(name);
git.checkout(name);
String commit = "Hudson generated combination of:\n";
for (IndexEntry submodule : settings.keySet()) {
Revision branch = settings.get(submodule);
commit += " " + submodule.getFile() + " " + branch.toString() + "\n";
}
listener.getLogger().print(commit);
for (IndexEntry submodule : settings.keySet()) {
Revision branch = settings.get(submodule);
File subdir = new File(workspace, submodule.getFile());
IGitAPI subGit =
new GitAPI(git.getGitExe(), new FilePath(subdir), listener, git.getEnvironment());
subGit.checkout(branch.sha1.name());
git.add(submodule.file);
}
git.commit(commit);
}
protected void makeCombination(Map<IndexEntry, Revision> settings) {
// Assume we are checked out
String name = "combine-" + tid + "-" + (idx++);
git.branch(name);
git.checkout(name);
String commit = "Hudson generated combination of:\n";
for (IndexEntry submodule : settings.keySet()) {
Revision branch = settings.get(submodule);
commit += " " + submodule.getFile() + " " + branch.toString() + "\n";
}
listener.getLogger().print(commit);
for (IndexEntry submodule : settings.keySet()) {
Revision branch = settings.get(submodule);
File subdir = new File(workspace, submodule.getFile());
IGitAPI subGit =
new GitAPI(git.getGitExe(), new FilePath(subdir), listener, git.getEnvironment());
subGit.checkout(branch.sha1.name());
git.add(submodule.file);
}
try {
File f = File.createTempFile("gitcommit", ".txt");
FileOutputStream fos = null;
try {
fos = new FileOutputStream(f);
fos.write(commit.getBytes());
} finally {
fos.close();
}
git.commit(f);
f.delete();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void createSubmoduleCombinations() throws GitException, IOException {
Map<IndexEntry, Collection<Revision>> moduleBranches =
new HashMap<IndexEntry, Collection<Revision>>();
for (IndexEntry submodule : git.getSubmodules("HEAD")) {
File subdir = new File(workspace, submodule.getFile());
IGitAPI subGit =
new GitAPI(git.getGitExe(), new FilePath(subdir), listener, git.getEnvironment());
GitUtils gu = new GitUtils(listener, subGit);
Collection<Revision> items = gu.filterTipBranches(gu.getAllBranchRevisions());
filterRevisions(submodule.getFile(), items);
moduleBranches.put(submodule, items);
}
// Remove any uninteresting branches
for (IndexEntry entry : moduleBranches.keySet()) {
listener.getLogger().print("Submodule " + entry.getFile() + " branches");
for (Revision br : moduleBranches.get(entry)) {
listener.getLogger().print(" " + br.toString());
}
listener.getLogger().print("\n");
}
// Make all the possible combinations
List<Map<IndexEntry, Revision>> combinations = createCombinations(moduleBranches);
listener
.getLogger()
.println("There are " + combinations.size() + " submodule/revision combinations possible");
// Create a map which is SHA1 -> Submodule IDs that were present
Map<ObjectId, List<IndexEntry>> entriesMap = new HashMap<ObjectId, List<IndexEntry>>();
// Knock out already-defined configurations
for (ObjectId sha1 : git.revListAll()) {
// What's the submodule configuration
List<IndexEntry> entries = git.getSubmodules(sha1.name());
entriesMap.put(sha1, entries);
}
for (List<IndexEntry> entries : entriesMap.values()) {
for (Iterator<Map<IndexEntry, Revision>> it = combinations.iterator(); it.hasNext(); ) {
Map<IndexEntry, Revision> item = it.next();
if (matches(item, entries)) {
it.remove();
break;
}
}
}
listener
.getLogger()
.println("There are " + combinations.size() + " configurations that could be generated.");
ObjectId headSha1 = git.revParse("HEAD");
// Make up the combinations
for (Map<IndexEntry, Revision> combination : combinations) {
// By default, use the head sha1
ObjectId sha1 = headSha1;
int min = Integer.MAX_VALUE;
// But let's see if we can find the most appropriate place to create the branch
for (ObjectId sha : entriesMap.keySet()) {
List<IndexEntry> entries = entriesMap.get(sha);
int value = difference(combination, entries);
if (value > 0 && value < min) {
min = value;
sha1 = sha;
}
if (min == 1) {
break; // look no further
}
}
git.checkout(sha1.name());
makeCombination(combination);
}
}