Handle 7zip extraction separately

include/vcpkg/archives.h

@@ -21,7 +21,8 @@ namespace vcpkg
         SevenZip,
         Nupkg,
         Msi,
-        Exe
+        Exe,
+        SelfExtracting7z
     };
 
     // Extract `archive` to `to_path` using `tar_tool`.

src/vcpkg-test/archives.cpp

@@ -15,4 +15,5 @@ TEST_CASE ("Testing guess_extraction_type", "[z-extract]")
     REQUIRE(guess_extraction_type(Path("/path/to/archive.xz")) == ExtractionType::Tar);
     REQUIRE(guess_extraction_type(Path("/path/to/archive.exe")) == ExtractionType::Exe);
     REQUIRE(guess_extraction_type(Path("/path/to/archive.unknown")) == ExtractionType::Unknown);
+    REQUIRE(guess_extraction_type(Path("/path/to/archive.7z.exe")) == ExtractionType::SelfExtracting7z);
 }

src/vcpkg/archives.cpp

@@ -156,7 +156,16 @@ namespace vcpkg
         }
         else if (Strings::case_insensitive_ascii_equals(ext, ".exe"))
         {
-            return ExtractionType::Exe;
+            // Special case to differentiate between self-extracting 7z archives and other exe files
+            const auto stem = archive.stem();
+            if (Strings::case_insensitive_ascii_equals(Path(stem).extension(), ".7z"))
+            {
+                return ExtractionType::SelfExtracting7z;
+            }
+            else
+            {
+                return ExtractionType::Exe;
+            }
         }
         else
         {
@@ -188,6 +197,9 @@ namespace vcpkg
                 extract_tar(tools.get_tool_path(Tools::TAR, status_sink), archive, to_path);
                 break;
             case ExtractionType::Exe:
+                win32_extract_with_seven_zip(tools.get_tool_path(Tools::SEVEN_ZIP, status_sink), archive, to_path);
+                break;
+            case ExtractionType::SelfExtracting7z:
                 const Path filename = archive.filename();
                 const Path stem = filename.stem();
                 const Path to_archive = Path(archive.parent_path()) / stem;

vcpkg-init/vcpkg-scripts-sha.txt

@@ -1 +1 @@
-d033613d9021107e4a7b52c5fac1f87ae8a6fcc6
+a1dc361588c31b746e20d0146649e67f01646bad