1 files changed, 31 insertions, 0 deletions
diff --git a/Source/CPack/cmCPackComponentGroup.cxx b/Source/CPack/cmCPackComponentGroup.cxx
new file mode 100644
index 0000000..f888a5f
--- /dev/null
+++ b/Source/CPack/cmCPackComponentGroup.cxx
@@ -0,0 +1,31 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmCPackComponentGroup.h"
+
+#include "cmSystemTools.h"
+
+#include <string>
+
+unsigned long cmCPackComponent::GetInstalledSize(
+  const std::string& installDir) const
+{
+  if (this->TotalSize != 0) {
+    return this->TotalSize;
+  }
+
+  for (std::string const& file : this->Files) {
+    std::string path = installDir;
+    path += '/';
+    path += file;
+    this->TotalSize += cmSystemTools::FileLength(path);
+  }
+
+  return this->TotalSize;
+}
+
+unsigned long cmCPackComponent::GetInstalledSizeInKbytes(
+  const std::string& installDir) const
+{
+  unsigned long result = (GetInstalledSize(installDir) + 512) / 1024;
+  return result ? result : 1;
+}