Add auto-recurse code

[svn-all-fast-export.git] / src / repository.cpp

diff --git a/src/repository.cpp b/src/repository.cpp
index 3bbbe7ec012c74cd0cdf459b9024c2f6f525d03d..335278abdbbcfbdc6ea81b5cc48b472b77255231 100644 (file)
--- a/src/repository.cpp
+++ b/src/repository.cpp
@@ -24,7 +24,6 @@ Repository::Repository(const Rules::Repository &rule)
 {
     foreach (Rules::Repository::Branch branchRule, rule.branches) {
         Branch branch;
-        branch.branchFrom = branchRule.branchFrom;
         branch.isCreated = false;
 
         branches.insert(branchRule.name, branch);
@@ -34,7 +33,6 @@ Repository::Repository(const Rules::Repository &rule)
     branches["master"].isCreated = true;
 
     fastImport.setWorkingDirectory(name);
-    fastImport.setProcessChannelMode(QProcess::ForwardedChannels);
 }
 
 Repository::~Repository()
@@ -51,7 +49,7 @@ void Repository::reloadBranches()
                                     end = branches.end();
     for ( ; it != end; ++it) {
         QString branchRef = it.key();
-        if (!branchRef.startsWith("refs/heads/"))
+        if (!branchRef.startsWith("refs/"))
             branchRef.prepend("refs/heads/");
 
         bool branchExists;
@@ -75,11 +73,41 @@ void Repository::reloadBranches()
     }
 }
 
+void Repository::createBranch(const QString &branch, int revnum,
+                              const QString &branchFrom, int)
+{
+    if (!branches.contains(branch)) {
+        qCritical() << branch << "is not a known branch in repository" << name;
+        exit(1);
+    }
+
+    startFastImport();
+    QByteArray branchRef = branch.toUtf8();
+    if (!branchRef.startsWith("refs/"))
+        branchRef.prepend("refs/heads/");
+
+    Branch &br = branches[branch];
+    if (br.isCreated) {
+        QByteArray backupBranch = branchRef + '_' + QByteArray::number(revnum);
+        qWarning() << branch << "already exists; backing up to" << backupBranch;
+
+        fastImport.write("reset " + backupBranch + "\nfrom " + branchRef + "\n\n");
+    }
+
+    // now create the branch
+    br.isCreated = true;
+    QByteArray branchFromRef = branchFrom.toUtf8();
+    if (!branchFromRef.startsWith("refs/"))
+        branchFromRef.prepend("refs/heads/");
+
+    fastImport.write("reset " + branchRef + "\nfrom " + branchFromRef + "\n\n");
+}
+
 Repository::Transaction *Repository::newTransaction(const QString &branch, const QString &svnprefix,
                                                     int revnum)
 {
     if (!branches.contains(branch)) {
-        qCritical() << branch << "is not known in repository" << name;
+        qCritical() << branch << "is not a known branch in repository" << name;
         return 0;
     }
 
@@ -100,8 +128,12 @@ void Repository::startFastImport()
     if (fastImport.state() == QProcess::NotRunning) {
         // start the process
 #ifndef DRY_RUN
+        fastImport.setProcessChannelMode(QProcess::ForwardedChannels);
         fastImport.start("git-fast-import", QStringList());
 #else
+        QString outputFile = name;
+        outputFile.replace('/', '_');
+        fastImport.setStandardOutputFile(outputFile, QIODevice::Append);
         fastImport.start("/bin/cat", QStringList());
 #endif
     }
@@ -160,7 +192,7 @@ void Repository::Transaction::commit()
 
     {
         QByteArray branchRef = branch;
-        if (!branchRef.startsWith("refs/heads/"))
+        if (!branchRef.startsWith("refs/"))
             branchRef.prepend("refs/heads/");
 
         QTextStream s(&repository->fastImport);
@@ -171,7 +203,6 @@ void Repository::Transaction::commit()
         Branch &br = repository->branches[branch];
         if (!br.isCreated) {
             br.isCreated = true;
-            s << "from " << br.branchFrom << endl;
         }
 
         s << "data " << message.length() << endl;
@@ -180,8 +211,11 @@ void Repository::Transaction::commit()
     repository->fastImport.write(message);
 
     // write the file deletions
-    foreach (QString df, deletedFiles)
-        repository->fastImport.write("D " + df.toUtf8() + "\n");
+    if (deletedFiles.contains(""))
+        repository->fastImport.write("deleteall\n");
+    else
+        foreach (QString df, deletedFiles)
+            repository->fastImport.write("D " + df.toUtf8() + "\n");
 
     // write the file modifications
     QHash<QString, FileProperties>::ConstIterator it = modifiedFiles.constBegin();