fix(ruby): preserve special characters in rfind filenames (#14173)

plugins/ruby/README.md

@@ -14,7 +14,7 @@ plugins=(... ruby)
 | ------- | -------------------------------------- | ---------------------------------------------------- |
 | rb      | `ruby`                                 | The Ruby command                                     |
 | sgem    | `sudo gem`                             | Run sudo gem on the system ruby, not the active ruby |
-| rfind   | `find . -name "*.rb" \| xargs grep -n` | Find ruby file                                       |
+| rfind   | `find . -name "*.rb" -print0 \| xargs -0 grep -n` | Find ruby file                                       |
 | rrun    | `ruby -e`                              | Execute some code: E.g: `rrun "puts 'Hello world!'"` |
 | rserver | `ruby -run -e httpd . -p 8080`              | Start HTTP Webrick serving local directory/files     |
 | gein    | `gem install`                          | Install a gem into the local repository              |

plugins/ruby/ruby.plugin.zsh

@@ -2,7 +2,7 @@
 alias sgem='sudo gem'
 
 # Find ruby file
-alias rfind='find . -name "*.rb" | xargs grep -n'
+alias rfind='find . -name "*.rb" -print0 | xargs -0 grep -n'
 
 # Shorthand Ruby
 alias rb="ruby"

plugins/ruby/tests/rfind.test.zsh

@@ -0,0 +1,32 @@
+#!/usr/bin/env zsh
+
+emulate -LR zsh
+
+source "${1:-${0:A:h:h}/ruby.plugin.zsh}"
+
+test_dir=$(mktemp -d) || exit 1
+trap 'command rm -rf -- "$test_dir"' EXIT
+
+typeset -i failures=0 tests=0
+typeset filename output
+
+for filename in plain.rb 'file with spaces.rb' "single'quote.rb" 'double"quote.rb' $'line\nbreak.rb' 'unicode-ą.rb'; do
+  print -r -- 'needle' >| "$test_dir/$filename"
+  output=$(cd "$test_dir" && rfind needle 2> "$test_dir/stderr")
+  actual_status=$?
+  (( tests++ ))
+
+  if [[ $actual_status == 0 && $output == '1:needle' && ! -s "$test_dir/stderr" ]]; then
+    print -r -- "PASS: ${(qqq)filename}"
+  else
+    print -u2 -r -- "FAIL: ${(qqq)filename} (status $actual_status)"
+    print -u2 -r -- "  stdout: ${(qqq)output}"
+    print -u2 -r -- "  stderr: $(<"$test_dir/stderr")"
+    (( failures++ ))
+  fi
+
+  command rm -- "$test_dir/$filename"
+done
+
+print -r -- "$tests tests, $failures failures"
+(( failures == 0 ))