Automate updating ruby-build versions

.github/UpdateVersionList.cr

@@ -2,10 +2,27 @@ require "http/client"
 require "json"
 require "option_parser"
 
+record RBFile, name : String do
+  include JSON::Serializable
+end
+
+def fetchRubyBuildVersions
+  response = HTTP::Client.get "https://api.github.com/repos/rbenv/ruby-build/contents/share/ruby-build"
+  fileList = Array(RBFile).from_json response.body
+  versionList = fileList.map &.name
+  versionList.select! &.match_full /[1-3]\.\d\.\d-?\w*|mruby-\d\.\d\.\d/
+  mrubyList, rubyList = versionList.partition &.starts_with? "mruby-"
+  rubyList.map! { |version| version + ".rb" }
+  mrubyList.map! { |version| version.split("-").last + ".mrb" }
+  rubyList.reverse!
+  mrubyList.reverse!
+  versionList = rubyList + mrubyList
+end
+
 def getLatestVersion(url)
   response = HTTP::Client.get url
   latestRelease = response.headers["Location"]
-  latestVersion = latestRelease[/(\d[\.\d]+)/]
+  latestVersion = latestRelease[/\d[\.\d]+/]
 end
 
 def fetchVersionList
@@ -71,6 +88,12 @@ if vlist["jruby"] != fetchJRubyVersions
   puts "JRuby version list is updated"
 end
 
+if vlist["ruby-build"] != fetchRubyBuildVersions
+  isUpdated = false
+  vlist["ruby-build"] = fetchRubyBuildVersions
+  puts "Ruby-build version list is updated"
+end
+
 unless isUpdated
   vlist["ruby"] = vlist["homebrew"] + vlist["conda-forge"]
   vlist["ruby"].sort! { |a, b| compareVersions(b, a) }

README.md

@@ -31,11 +31,11 @@ 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@3.3.3.rb   # Ruby-build
-vfox install ruby@3.3.0.mrb  # mRuby-build
+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@3.3.3.rb    # Ruby-build
+vfox install ruby@3.3.0.mrb   # 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 supported by ruby-build (except for the development versions like `3.4-dev`) are available.

hooks/available.lua

@@ -1,10 +1,10 @@
 require("util")
 
 function PLUGIN:Available(ctx)
-    local option = ctx.args[1]
-    local noCache = false
-    if option == "--no-cache" then
-        noCache = true
+    local buildArg = hasValue(ctx.args, "--ruby-build")
+    local cacheArg = hasValue(ctx.args, "--no-cache")
+    if cacheArg then
+        clearCache()
     end
-    return fetchAvailable(noCache)
+    return fetchAvailable(buildArg)
 end

lib/util.lua

@@ -27,11 +27,11 @@ end
 local RubyVersions, JRubyVersions, HomebrewRubyVersions = fetchVersions()
 
 -- available.lua
-function fetchAvailable(noCache)
+function fetchAvailable(buildArg)
     local result
 
-    if noCache then
-        clearCache()
+    if buildArg then
+        result = fetchRubyVersions(resp.body)
     end
     if RUNTIME.osType == "windows" then
         result = fetchForWindows()
@@ -48,8 +48,22 @@ function fetchAvailable(noCache)
     return result
 end
 
-function clearCache()
-    os.remove(RUNTIME.pluginDirPath .. "/available.cache")
+function fetchRubyBuildVersions()
+    local result = {}
+    local versions = {}
+    local resp, err = http.get({
+        url = "https://cache.ruby-lang.org/pub/ruby/index.txt",
+    })
+    if err ~= nil then
+        error("Failed to request: " .. err)
+    end
+    if resp.status_code ~= 200 then
+        error("Failed to get Ruby versions: " .. err .. "\nstatus_code => " .. resp.status_code)
+    end
+
+    for version in resp.body:gmatch("(%d.%d.%d.-)%s") do
+        table.insert(versions, version)
+    end
 end
 
 function fetchForWindows()
@@ -130,6 +144,11 @@ function fetchForUnix()
     return result
 end
 
+function clearCache()
+    os.remove(RUNTIME.pluginDirPath .. "/available.cache")
+    exit()
+end
+
 -- pre_install.lua
 function getDownloadInfo(version)
     local file, sha256
@@ -215,8 +234,8 @@ function generateWindowsRuby(version, archType)
     local file, sha256
     local bit = archType == "amd64" and "64" or "86"
     local githubURL = os.getenv("GITHUB_URL") or "https://github.com/"
-    file = githubURL:gsub("/$", "")
-        .. "/oneclick/rubyinstaller2/releases/download/RubyInstaller-%s-1/rubyinstaller-%s-1-x%s.7z"
+    file = "rubyinstaller-%s-1-x%s.7z"
+    file = githubURL:gsub("/$", "") .. "/oneclick/rubyinstaller2/releases/download/RubyInstaller-%s-1/" .. file
     file = file:format(version, version, bit)
 
     local resp, err = http.get({
@@ -246,7 +265,7 @@ function generateRubyBuild()
         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"
+    file = latestRubyBuild.tarball_url .. "#/ruby-build.tgz"
 
     return file
 end