From 7c2abc755f58beaea36aa1cbc1c3b7f375e567a3 Mon Sep 17 00:00:00 2001
From: Alexander Karatarakis <alkarata@microsoft.com>
Date: Thu, 1 Dec 2016 15:36:39 -0800
Subject: Introduce function get_installed_files()

---
 toolsrc/src/vcpkg.cpp | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'toolsrc/src')

diff --git a/toolsrc/src/vcpkg.cpp b/toolsrc/src/vcpkg.cpp
index 6c5224f56..57b2e7adb 100644
--- a/toolsrc/src/vcpkg.cpp
+++ b/toolsrc/src/vcpkg.cpp
@@ -109,6 +109,39 @@ void vcpkg::write_update(const vcpkg_paths& paths, const StatusParagraph& p)
     fs::rename(tmp_update_filename, update_filename);
 }
 
+std::vector<StatusParagraph_and_associated_files> vcpkg::get_installed_files(const vcpkg_paths& paths, const StatusParagraphs& status_db)
+{
+    std::vector<StatusParagraph_and_associated_files> installed_files;
+
+    std::string line;
+
+    for (const std::unique_ptr<StatusParagraph>& pgh : status_db)
+    {
+        if (pgh->state != install_state_t::installed)
+        {
+            continue;
+        }
+
+        std::fstream listfile(paths.listfile_path(pgh->package));
+
+        std::vector<std::string> installed_files_of_current_pgh;
+        while (std::getline(listfile, line))
+        {
+            if (line.empty())
+            {
+                continue;
+            }
+
+            installed_files_of_current_pgh.push_back(line);
+        }
+
+        const StatusParagraph_and_associated_files pgh_and_files = {*pgh, std::move(installed_files_of_current_pgh)};
+        installed_files.push_back(pgh_and_files);
+    }
+
+    return installed_files;
+}
+
 expected<SourceParagraph> vcpkg::try_load_port(const fs::path& path)
 {
     try
-- 
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