Remove version cache

Author: exterm

.gitignore

@@ -1,3 +1,2 @@
 ruby-build
 ruby-build-source
-.ruby-build-version-cache

README.md

@@ -29,18 +29,12 @@ RUBY_APPLY_PATCHES=$(curl -s https://raw.githubusercontent.com/rvm/rvm/master/pa
 
 By default asdf-ruby automatically fetches the latest release of ruby-build, so new Ruby versions are available as soon as ruby-build supports them.
 
-You can override this behavior with the following environment variables:
+You can pin to a specific ruby-build version/branch/tag with the `ASDF_RUBY_BUILD_VERSION` environment variable:
 
-- `ASDF_RUBY_BUILD_VERSION` - Pin to a specific ruby-build version/branch/tag:
-  ```
-  ASDF_RUBY_BUILD_VERSION=v20240101 asdf install ruby 3.3.0
-  ASDF_RUBY_BUILD_VERSION=master asdf install ruby 3.3.0
-  ```
-
-- `ASDF_RUBY_BUILD_CACHE_CLEAR` - Bypass the 24-hour cache and fetch the latest version:
-  ```
-  ASDF_RUBY_BUILD_CACHE_CLEAR=1 asdf list-all ruby
-  ```
+```
+ASDF_RUBY_BUILD_VERSION=v20240101 asdf install ruby 3.3.0
+ASDF_RUBY_BUILD_VERSION=master asdf install ruby 3.3.0
+```
 
 ## Default gems
 
@@ -74,7 +68,7 @@ note that you might have to change `.ruby-version` to include full version (e.g.
 ## Troubleshooting
 
 > [!NOTE]
-> If you are not seeing a recent Ruby version, try bypassing the version cache with `ASDF_RUBY_BUILD_CACHE_CLEAR=1 asdf list-all ruby` to fetch the latest ruby-build version. If the version still doesn't appear, check ruby-build's releases at https://github.com/rbenv/ruby-build/releases to see if it's been added yet.  
+> If you are not seeing a recent Ruby version, check ruby-build's releases at https://github.com/rbenv/ruby-build/releases to see if it's been added yet.  
 
 If you are moving to asdf-ruby from another Ruby version manager, it is recommended to completely uninstall the old Ruby version manager before installing asdf-ruby.
 

lib/utils.sh

@@ -85,17 +85,6 @@ ruby_build_path() {
   echo "$(ruby_build_dir)/bin/ruby-build"
 }
 
-ruby_build_version_cache_path() {
-  echo "$(asdf_ruby_plugin_path)/.ruby-build-version-cache"
-}
-
-# Get file modification time in seconds since epoch (cross-platform)
-get_file_mtime() {
-  local file="$1"
-  # Try GNU stat first (Linux), then BSD stat (macOS)
-  stat -c %Y "$file" 2>/dev/null || stat -f %m "$file" 2>/dev/null
-}
-
 # Fetch the latest ruby-build version tag from GitHub
 fetch_latest_ruby_build_version() {
   git ls-remote --tags --sort=-version:refname https://github.com/rbenv/ruby-build.git 2>/dev/null |
@@ -104,38 +93,20 @@ fetch_latest_ruby_build_version() {
     sed 's|refs/tags/||'
 }
 
-# Get the ruby-build version to use, with caching
-# Priority: ASDF_RUBY_BUILD_VERSION env var > cached latest > fetched latest > installed version
+# Get the ruby-build version to use
+# Priority: ASDF_RUBY_BUILD_VERSION env var > fetched latest > installed version
 get_ruby_build_version() {
   # If user explicitly set a version, use that
   if [ -n "${ASDF_RUBY_BUILD_VERSION:-}" ]; then
     echo "$ASDF_RUBY_BUILD_VERSION"
     return 0
   fi
 
-  local cache_file
-  cache_file="$(ruby_build_version_cache_path)"
-
-  # Check cache first (unless ASDF_RUBY_BUILD_CACHE_CLEAR is set)
-  if [ -z "${ASDF_RUBY_BUILD_CACHE_CLEAR:-}" ] && [ -f "$cache_file" ]; then
-    local cache_mtime current_time age
-    cache_mtime="$(get_file_mtime "$cache_file")"
-    current_time="$(date +%s)"
-    age=$((current_time - cache_mtime))
-
-    # Cache for 24 hours
-    if [ "$age" -lt 86400 ]; then
-      cat "$cache_file"
-      return 0
-    fi
-  fi
-
   # Fetch latest version from GitHub
   local latest_version
   latest_version="$(fetch_latest_ruby_build_version)"
 
   if [ -n "$latest_version" ]; then
-    echo "$latest_version" >"$cache_file"
     echo "$latest_version"
     return 0
   fi