feat: support yarn 6+

hooks/available.lua

@@ -65,6 +65,27 @@ end
 
 function PLUGIN:Available(ctx)
     local versions = {}
+
+    -- Get Yarn ZPM versions (v6.x+)
+    local zpm_tags = fetch_github_tags("https://github.com/yarnpkg/zpm.git")
+    local zpm_versions = {}
+    for _, tag in ipairs(zpm_tags) do
+        -- ZPM versions are prefixed with 'v'
+        local version = tag:match("^v(.+)$")
+        if version then
+            table.insert(zpm_versions, version)
+        end
+    end
+
+    -- Sort ZPM versions in descending order
+    table.sort(zpm_versions, version_compare)
+
+    -- Add ZPM versions to the list
+    for _, version in ipairs(zpm_versions) do
+        table.insert(versions, {
+            version = version
+        })
+    end
 
     -- Get Yarn Berry versions (v2.x+)
     local berry_tags = fetch_github_tags("https://github.com/yarnpkg/berry.git")

hooks/post_install.lua

@@ -7,7 +7,7 @@ end
 
 local function download_file(url, output_path)
     -- Detect Windows
-    local is_windows = package.config:sub(1,1) == '\\'
+    local is_windows = package.config:sub(1, 1) == '\\'
     local stderr_redirect = is_windows and " 2>NUL" or " 2>/dev/null"
 
     -- Try curl first (more likely to be available on Windows via Git Bash)
@@ -22,53 +22,83 @@ local function download_file(url, output_path)
     return false
 end
 
+local function get_target_platform()
+    -- Detect platform and architecture for Yarn v6+ binary downloads
+    -- Available targets: aarch64-apple-darwin, aarch64-unknown-linux-musl,
+    -- i686-unknown-linux-musl, x86_64-unknown-linux-musl
+    local is_windows = package.config:sub(1, 1) == '\\'
+
+    if is_windows then
+        error("Yarn v6+ does not support Windows binaries at this time.")
+    else
+        -- Unix-like systems (Linux, macOS, etc.)
+        local handle = io.popen("uname -ms 2>/dev/null")
+        local result = handle and handle:read("*a") or ""
+        if handle then handle:close() end
+
+        if result:match("Darwin arm64") or result:match("Darwin aarch64") then
+            return "aarch64-apple-darwin"
+        elseif result:match("Darwin") then
+            -- Intel macOS is not supported in Yarn v6+
+            error("Yarn v6+ only supports ARM64 (Apple Silicon) macOS. Your system is x86_64 Intel.")
+        elseif result:match("Linux aarch64") or result:match("Linux arm64") then
+            return "aarch64-unknown-linux-musl"
+        elseif result:match("Linux i686") or result:match("Linux i386") then
+            return "i686-unknown-linux-musl"
+        elseif result:match("Linux") then
+            -- Default to x86_64 for Linux if not explicitly detected as 32-bit
+            return "x86_64-unknown-linux-musl"
+        else
+            error("Unsupported platform: " .. result)
+        end
+    end
+end
+
 function PLUGIN:PostInstall(ctx)
     -- Get install path - it should be in sdkInfo
     local install_path = nil
     local version = nil
-    
+
     -- Try to get path from sdkInfo
     if ctx.sdkInfo and ctx.sdkInfo.yarn then
         install_path = ctx.sdkInfo.yarn.path
         version = ctx.sdkInfo.yarn.version
     end
-    
+
     -- Fallback to environment variable
     if not install_path then
         install_path = os.getenv("MISE_INSTALL_PATH")
     end
     if not version then
         version = os.getenv("MISE_INSTALL_VERSION") or ctx.version
     end
-    
+
     if not install_path or not version then
         -- For v1, mise handles everything, so this is OK
         return {}
     end
-    
+
     local major_version = string.sub(version, 1, 1)
-
-    if major_version ~= "1" then
+    local is_windows = package.config:sub(1, 1) == '\\'
+
+    if major_version == "2" or major_version == "3" or major_version == "4" or major_version == "5" then
         -- Yarn Berry (v2.x+) - download single JS file
         local yarn_url = "https://repo.yarnpkg.com/" .. version .. "/packages/yarnpkg-cli/bin/yarn.js"
-
-        -- Detect Windows
-        local is_windows = package.config:sub(1,1) == '\\'
-
+
         -- Create bin directory (cross-platform)
         local bin_dir = install_path .. "/bin"
         if is_windows then
             os.execute('mkdir "' .. bin_dir .. '" 2>NUL')
         else
             os.execute("mkdir -p " .. bin_dir)
         end
-        
+
         -- Download yarn.js
         local yarn_js_file = bin_dir .. "/yarn.js"
         if not download_file(yarn_url, yarn_js_file) then
             error("Failed to download Yarn v2+")
         end
-        
+
         -- Create wrapper script
         if is_windows then
             -- Create yarn.cmd wrapper for Windows
@@ -79,7 +109,7 @@ function PLUGIN:PostInstall(ctx)
                 cmd_file:write('node "%~dp0yarn.js" %*\n')
                 cmd_file:close()
             end
-            
+
             -- Also create yarn without extension for Git Bash
             local yarn_sh = bin_dir .. "/yarn"
             local sh_file = io.open(yarn_sh, "w")
@@ -100,9 +130,33 @@ function PLUGIN:PostInstall(ctx)
             -- Make executable
             os.execute("chmod +x " .. yarn_file)
         end
+    elseif major_version ~= "1" then
+        -- Yarn ZPM (v6+) - download pre-compiled Rust binary from NPM
+        local target = get_target_platform()
+        local npm_url = "https://registry.npmjs.org/@yarnpkg/yarn-" ..
+            target .. "/-/yarn-" .. target .. "-" .. version .. ".tgz"
+
+        -- Create bin directory
+        local bin_dir = install_path .. "/bin"
+        os.execute("mkdir -p " .. bin_dir)
+
+        -- Download the binary (tar.gz from NPM or repo)
+        local archive_path = bin_dir .. "/yarn.tar.gz"
+        if not download_file(npm_url, archive_path) then
+            error("Failed to download Yarn " .. version .. " from npm (" .. npm_url .. ")")
+        end
+
+        -- Extract the tar.gz file
+        if not exec_success(os.execute("tar -xzf " .. archive_path .. " -C " .. bin_dir)) then
+            error("Failed to extract Yarn binary. Ensure tar is installed.")
+        end
+
+        -- Move /package/yarn to /bin/yarn and clean up
+        os.execute("mv " .. bin_dir .. "/package/yarn " .. bin_dir .. "/yarn")
+        os.execute("rm -rf " .. bin_dir .. "/package " .. archive_path)
     end
-    
+
     return {}
 end
 
-return PLUGIN
+return PLUGIN