ruby-build: Disable Homebrew

ruby/ruby-build/Portfile

@@ -4,6 +4,7 @@ PortSystem          1.0
 PortGroup           github 1.0
 
 github.setup        rbenv ruby-build 20250925 v
+revision            1
 github.tarball_from archive
 categories          ruby
 license             MIT
@@ -24,4 +25,7 @@ checksums           rmd160  5491d1ffe926a0fc4d7524f247a30895b556a9bd \
 use_configure       no
 build {}
 destroot.cmd        ./install.sh
-destroot.env        PREFIX=${destroot}${prefix}
+destroot.env        PREFIX=${destroot}${prefix}
+patchfiles          patch-ruby-build-no-homebrew.diff
+
+notes               "This port patches ruby-build to ignore Homebrew formulae when looking for library dependencies."

ruby/ruby-build/files/patch-ruby-build-no-homebrew.diff

@@ -0,0 +1,12 @@
+--- bin/ruby-build.orig	2025-09-23 11:49:15
++++ bin/ruby-build	2025-09-23 12:05:37
+@@ -20,6 +20,9 @@
+ 
+ OLDIFS="$IFS"
+ 
++# Disable Homebrew.
++brew() { false; }
++
+ # Have shell functions inherit the ERR trap.
+ set -E
+