Chunking svn add and svn delete operations

Chunking in the interests of improving performance with larger changesets.

Author: John Lianoglou

lib/main.js

@@ -140,18 +140,26 @@ module.exports = {
   prepareWcForCommitting: function prepareWcForCommitting(wcPath) {
     var unversionedFiles = module.exports.getUnversionedFiles(wcPath);
     var missingFiles = module.exports.getMissingFiles(wcPath);
+    var chunkSize = 20;
 
-    _.forEach(unversionedFiles, function svnAddNew(newFileEntry) {
-      shell.exec(util.format('svn add "%s"', newFileEntry.absPath), {
+    _.forEach(_.chunk(unversionedFiles, chunkSize), function svnAddNew(filesInChunk) {
+      var paths = _.flatMap(filesInChunk, function extractAbsolutePaths(entry) {
+        return [entry.absPath];
+      });
+
+      shell.exec(util.format('svn add "%s"', paths.join('" "')), {
         silent: true
       });
     });
 
-    _.forEach(missingFiles, function svnDeleteMissing(missingFileEntry) {
-      shell.exec(util.format('svn delete "%s"', missingFileEntry.absPath), {
+    _.forEach(_.chunk(missingFiles, chunkSize), function svnDeleteMissing(filesInChunk) {
+      var paths = _.flatMap(filesInChunk, function extractAbsolutePaths(entry) {
+        return [entry.absPath];
+      });
+
+      shell.exec(util.format('svn delete "%s"', paths.join('" "')), {
         silent: true
       });
     });
   }
-
 };