diff --git a/projects/ruby-lang.org/package.yml b/projects/ruby-lang.org/package.yml
index 16c70350..dc018a5c 100644
--- a/projects/ruby-lang.org/package.yml
+++ b/projects/ruby-lang.org/package.yml
@@ -73,6 +73,11 @@ build:
     mv lib/*-{{hw.platform}}*/* lib
     rmdir lib/*-{{hw.platform}}*
 
+    sed -i.bak \
+      -e 's|$(DESTDIR){{prefix}}|$(topdir)|g' \
+      -e 's|CONFIG\["topdir"\] = .*|CONFIG\["topdir"\] = TOPDIR|g' \
+      {{prefix}}/lib/ruby/{{version.marketing}}.0/rbconfig.rb
+
 test:
   dependencies:
     tea.xyz/gx/cc: c99  # for native extensions
diff --git a/projects/rubygems.org/package.yml b/projects/rubygems.org/package.yml
index d92b508f..8eb9bac2 100644
--- a/projects/rubygems.org/package.yml
+++ b/projects/rubygems.org/package.yml
@@ -11,29 +11,30 @@ dependencies:
 build:
   dependencies:
     gnu.org/patch: '*'
-  script: |
-    ruby setup.rb --prefix={{prefix}} --env-shebang --no-ri --no-rdoc
+  script:
+    - ruby setup.rb --prefix={{prefix}} --env-shebang --no-ri --no-rdoc
 
-    mkdir {{prefix}}/shim
-    cp props/proxy {{prefix}}/shim
+    - working-directory: ${{prefix}}/shim
+      run: cp $SRCROOT/props/proxy .
 
-    cd "{{prefix}}"
-    patch -p1 < "$SRCROOT"/props/fit-n-finish.patch
+    - working-directory: ${{prefix}}
+      run: patch -p1 < "$SRCROOT"/props/fit-n-finish.patch
 
-    # these are provided by ruby-lang.org
-    # we don’t know why they turn up here too…
-    for x in rake rbs rdbg typeprof; do
-      rm {{prefix}}/bin/$x
-    done
+    - working-directory: ${{prefix}}/bin
+      # these are provided by ruby-lang.org
+      # we don’t know why they turn up here too…
+      run: rm rake rbs rdbg typeprof
 
-    # We’re not a “GEMHOME” since we *are* gem, so yeah instead
-    # we have a RUBYLIB hack via our proxy script
-    for x in bin/*; do
-      mv $x shim
-      ln shim/proxy $x
-    done
+    - working-directory: ${{prefix}}/bin
+      # We’re not a “GEMHOME” since we *are* gem, so yeah instead
+      # we have a RUBYLIB hack via our proxy script
+      run: |
+        for x in *; do
+          mv $x ../shim
+          ln -s ../shim/proxy $x
+        done
 
-    rmdir {{prefix}}/plugins
+    - rmdir {{prefix}}/plugins
 
 test:
   dependencies:
@@ -41,15 +42,16 @@ test:
     tea.xyz/gx/make: '*'
   env:
     HOME: $PWD
+    vRUBY: ${{deps.ruby-lang.org.version.marketing}}.0
   script: |
     gem install awesome_print
     ruby -e 'require "rubygems"' -e 'require "awesome_print"' -e'ap $LOAD_PATH'
     gem install hexapdf
     v="$(~/.local/bin/hexapdf version | cut -d' ' -f2)"
-    test -d ~/.gem/ruby/3.2.0/gems/hexapdf-$v  #FIXME ruby version
+    test -d ~/.gem/ruby/$vRUBY/gems/hexapdf-$v  #FIXME ruby version
 
     gem install bundle
-    test -d ~/.gem/ruby/{{version.marketing}}.0/gems/bundle-0.0.1
+    test -d ~/.gem/ruby/{{deps.ruby-lang.org.version.marketing}}.0/gems/bundle-0.0.1
     test -f ~/.local/bin/bundle
     ~/.local/bin/bundle --version
 
@@ -57,7 +59,3 @@ provides:
   - bin/bundle
   - bin/bundler
   - bin/gem
-  - bin/rake
-  - bin/rbs
-  - bin/rdbg
-  - bin/typeprof