Support building Ruby and mRuby with ruby-build

README.md

@@ -4,11 +4,13 @@
 
 ## Requirement
 
-| Distribution |                              Dependencies                              |
-| :----------: | :--------------------------------------------------------------------: |
-|     Ruby     |                                  none                                  |
-|    JRuby     |                            JRE v8 or higher                            |
-| TruffleRuby  | `bash`, `make`, `gcc`, `g++`, `openssl-dev`, `yaml-dev` and `zlib-dev` |
+| Distribution |                                             Dependencies                                              |
+| :----------: | :---------------------------------------------------------------------------------------------------: |
+|     Ruby     |                                                 none                                                  |
+|    JRuby     |                                           JRE v8 or higher                                            |
+| TruffleRuby  |                `bash`, `make`, `gcc`, `g++`, `openssl-dev`, `yaml-dev` and `zlib-dev`                 |
+|    Ruby-b    | See [ruby-build's instructions](https://github.com/rbenv/ruby-build/wiki#suggested-build-environment) |
+|   mRuby-b    |                                          Ruby or TruffleRuby                                          |
 
 ## Install
 
@@ -29,11 +31,15 @@ Install the latest stable version with `latest` tag.
 
 ``` shell
 vfox install ruby@latest
-vfox install ruby@9.4.5.0    # JRuby
-vfox install ruby@24.0.1     # TruffleRuby
-vfox install ruby@24.0.1.jvm # TruffleRuby-jvm
+vfox install ruby@9.4.5.0          # JRuby
+vfox install ruby@24.0.1           # TruffleRuby
+vfox install ruby@24.0.1.jvm       # TruffleRuby-jvm
+vfox install ruby@3.4.0-preview1.b # Ruby-build
+vfox install ruby@mruby-3.3.0.b	   # mRuby-build
 ```
 
+Compiling installation with ruby-build only works on Unix-like systems. All [versions](https://github.com/rbenv/ruby-build/tree/master/share/ruby-build) of Ruby and mRuby provided by ruby-build (except for the dev versions like `3.4-dev`) are supported to install and use with the `.b` suffix.
+
 Some environment variables are served as following:
 
 | Environment variables | Default value         | Description         |

lib/util.lua

@@ -1,4 +1,5 @@
 local http = require("http")
+local json = require("json")
 local strings = require("vfox.strings")
 local HomebrewRubyVersions = {
     "3.3.2",
@@ -223,6 +224,8 @@ function generateURL(version, osType, archType)
         file, sha256 = generateJRuby(version)
     elseif osType == "windows" then
         file, sha256 = generateWindowsRuby(version, archType)
+    elseif version:sub(-1) == "b" then
+        file = generateRubyBuild(version)
     elseif osType ~= "darwin" and osType ~= "linux" then
         print("Unsupported OS: " .. osType)
         os.exit(1)
@@ -288,6 +291,29 @@ function generateWindowsRuby(version, archType)
     return file, sha256
 end
 
+function generateRubyBuild(version)
+    version = version:gsub("%.b$", "")
+    if not version:match("[1-3]%.%d%.%d%-?%w*") and not version:match("mruby%-[1-3]%.[0-9]%.[0-2]") then
+        print("Unsupported version: " .. version)
+        os.exit(1)
+    end
+    local file
+    local latestRubyBuild = "https://api.github.com/repos/rbenv/ruby-build/releases/latest"
+    local resp, err = http.get({
+        url = latestRubyBuild,
+    })
+    if err ~= nil then
+        error("Failed to request: " .. err)
+    end
+    if resp.status_code ~= 200 then
+        error("Failed to get latest ruby-build: " .. err .. "\nstatus_code => " .. resp.status_code)
+    end
+    latestRubyBuild = json.decode(resp.body)
+    file = latestRubyBuild.tarball_url .. "#/ruby-build.tar.gz"
+
+    return file
+end
+
 function hasValue(table, value)
     for _, v in ipairs(table) do
         if v == value then
@@ -349,6 +375,8 @@ end
 function unixInstall(path, version)
     if hasValue(HomebrewRubyVersions, version) then
         patchHomebrewRuby(path, version)
+    elseif version:sub(-1) == "b" then
+        patchRubyBuild(path, version)
     elseif compareVersion(version, "20.0.0") >= 0 then
         patchTruffleRuby(path)
     elseif compareVersion(version, "9") == 0 then
@@ -372,6 +400,23 @@ function patchHomebrewRuby(path, version)
     end
 end
 
+function patchRubyBuild(path, version)
+    local rubyBuild = path .. "/bin/ruby-build"
+    local command1 = rubyBuild .. " " .. version:gsub("%.b$", "") .. " " .. path .. "/build > /dev/null"
+    local command2 = "find " .. path .. " -mindepth 1 -maxdepth 1 ! -name 'build' -exec rm -rf {} +"
+    local command3 = "mv " .. path .. "/build/* " .. path
+    local command4 = "mkdir -p " .. path .. "/share/gems/bin"
+    local command5 = "rm -rf " .. path .. "/build"
+
+    for _, command in ipairs({ command1, command2, command3, command4, command5 }) do
+        local status = os.execute(command)
+        if status ~= 0 then
+            print("Failed to execute command: " .. command)
+            os.exit(1)
+        end
+    end
+end
+
 function patchTruffleRuby(path)
     local command1 = path .. "/lib/truffle/post_install_hook.sh > /dev/null"
     local command2 = "mkdir -p " .. path .. "/share/gems/bin"

metadata.lua

@@ -5,7 +5,7 @@ PLUGIN = {}
 --- Plugin name
 PLUGIN.name = "ruby"
 --- Plugin version
-PLUGIN.version = "0.4.3"
+PLUGIN.version = "0.5.0"
 --- Plugin homepage
 PLUGIN.homepage = "https://github.com/yanecc/vfox-ruby"
 --- Plugin license, please choose a correct license according to your needs.