From 6774160a8fdbdfb31143e1f32f44e5b3301431ff Mon Sep 17 00:00:00 2001
From: Billy Robert O'Neal III <bion@microsoft.com>
Date: Tue, 14 Jan 2025 16:35:41 -0800
Subject: [PATCH 1/2] 7-zip: Consider copies on the system.

---
 src/vcpkg/tools.cpp | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/src/vcpkg/tools.cpp b/src/vcpkg/tools.cpp
index 20c19af394..8c4cef66d8 100644
--- a/src/vcpkg/tools.cpp
+++ b/src/vcpkg/tools.cpp
@@ -738,6 +738,40 @@ namespace vcpkg
         }
     };
 
+    struct SevenZipProvider : ToolProvider
+    {
+        virtual bool is_abi_sensitive() const override { return false; }
+        virtual StringView tool_data_name() const override { return Tools::SEVEN_ZIP; }
+        virtual std::vector<StringView> system_exe_stems() const override { return {"7z"}; }
+        virtual std::array<int, 3> default_min_version() const override { return {24, 9}; }
+
+#if defined(_WIN32)
+        virtual void add_system_paths(const ReadOnlyFilesystem&, std::vector<Path>& out_candidate_paths) const override
+        {
+            const auto& program_files = get_program_files_platform_bitness();
+            if (const auto pf = program_files.get())
+            {
+                out_candidate_paths.push_back(*pf / "7-Zip" / "7z.exe");
+            }
+
+            const auto& program_files_32_bit = get_program_files_32_bit();
+            if (const auto pf = program_files_32_bit.get())
+            {
+                out_candidate_paths.push_back(*pf / "7-Zip" / "7z.exe");
+            }
+        }
+#endif
+
+        virtual ExpectedL<std::string> get_version(const ToolCache&, MessageSink&, const Path& exe_path) const override
+        {
+            return run_to_extract_version(Tools::SEVEN_ZIP, exe_path, Command(exe_path))
+                .then([&](std::string&& output) {
+                    // Sample output: 7-Zip 24.09 (x64) : Copyright (c) 1999-2024 Igor Pavlov : 2024-11-29
+                    return extract_prefixed_nonwhitespace("7-Zip ", Tools::SEVEN_ZIP, std::move(output), exe_path);
+                });
+        }
+    };
+
     struct ToolCacheImpl final : ToolCache
     {
         const Filesystem& fs;
@@ -996,6 +1030,10 @@ namespace vcpkg
                 if (tool == Tools::COSCLI) return get_path(CosCliProvider(), status_sink);
                 if (tool == Tools::PYTHON3) return get_path(Python3Provider(), status_sink);
                 if (tool == Tools::PYTHON3_WITH_VENV) return get_path(Python3WithVEnvProvider(), status_sink);
+                if (tool == Tools::SEVEN_ZIP || tool == Tools::SEVEN_ZIP_ALT)
+                {
+                    return get_path(SevenZipProvider(), status_sink);
+                }
                 if (tool == Tools::TAR)
                 {
                     return {find_system_tar(fs).value_or_exit(VCPKG_LINE_INFO), {}};

From ef1035f316147737ec7b462c120b8211885892cb Mon Sep 17 00:00:00 2001
From: Billy Robert O'Neal III <bion@microsoft.com>
Date: Tue, 14 Jan 2025 16:52:57 -0800
Subject: [PATCH 2/2] Teach the fetch test to force downloaded copy.

---
 azure-pipelines/end-to-end-tests-dir/fetch.ps1 | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/azure-pipelines/end-to-end-tests-dir/fetch.ps1 b/azure-pipelines/end-to-end-tests-dir/fetch.ps1
index 1a0e332be6..768ab2576d 100644
--- a/azure-pipelines/end-to-end-tests-dir/fetch.ps1
+++ b/azure-pipelines/end-to-end-tests-dir/fetch.ps1
@@ -2,7 +2,7 @@
 
 $VcpkgToolsJsonSchemaFile = (Get-Item "$PSScriptRoot/../../docs/vcpkg-tools.schema.json").FullName
 if (-not (Test-Json -ea:0 -LiteralPath "$VcpkgRoot/scripts/vcpkg-tools.json" -SchemaFile $VcpkgToolsJsonSchemaFile)) {
-    throw "real vcpkg-tools.json doesn't conform to schema"
+    throw "real vcpkg-tools.json doesn't conform to schema"
 }
 
 if (-not $IsMacOS -and -not $IsLinux) {
@@ -20,7 +20,7 @@ if (-not $IsMacOS -and -not $IsLinux) {
 {
     "schema-version": 1,
     "tools": [{
-        "name": "7zip",
+        "name": "7zip_msi",
         "os": "windows",
         "version": "19.00",
         "executable": "Files\\7-Zip\\7z.exe",
@@ -86,13 +86,13 @@ if (-not $IsMacOS -and -not $IsLinux) {
 '@ | % { $_ -replace "`r","" } | Out-File -enc ascii $VcpkgToolsJson
 
     if (-not (Test-Json -ea:0 -LiteralPath $VcpkgToolsJson -SchemaFile $VcpkgToolsJsonSchemaFile)) {
-        throw "testing vcpkg-tools.json doesn't conform to schema"
+        throw "testing vcpkg-tools.json doesn't conform to schema"
     }
 
     $env:VCPKG_DOWNLOADS = Join-Path $TestingRoot 'down loads'
-    Run-Vcpkg -TestArgs ($commonArgs + @("fetch", "7zip", "--vcpkg-root=$TestingRoot"))
+    Run-Vcpkg -TestArgs ($commonArgs + @("fetch", "7zip_msi", "--vcpkg-root=$TestingRoot"))
     Throw-IfFailed
-    Require-FileExists "$env:VCPKG_DOWNLOADS/tools/7zip-19.00-windows/Files/7-Zip/7z.exe"
+    Require-FileExists "$env:VCPKG_DOWNLOADS/tools/7zip_msi-19.00-windows/Files/7-Zip/7z.exe"
 
     Run-Vcpkg -TestArgs ($commonArgs + @("fetch", "ninja-testing", "--vcpkg-root=$TestingRoot"))
     Throw-IfFailed