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fix: irb_require matches similar names #1253

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Merged
tompng merged 1 commit into from
Sep 12, 2026
+16 −1
Merged

fix: irb_require matches similar names #1253

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2 changes: 1 addition & 1 deletion lib/irb/command/load.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,7 @@ def execute(arg)
def execute_internal(file_name = nil)
raise_cmd_argument_error unless file_name

rex = Regexp.new("#{Regexp.quote(file_name)}(\.o|\.rb)?")
rex = Regexp.new("\\A#{Regexp.escape(file_name)}(?:\\.o|\\.rb)?\\z")
return false if $".find{|f| f =~ rex}

case file_name
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15 changes: 15 additions & 0 deletions test/irb/test_command.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -458,6 +458,21 @@ def test_irb_load_without_argument
assert_empty err
assert_match(/Please specify the file name./, out)
end

def test_irb_require_file_matches_exact_name
File.write("#{@tmpdir}/foo.rb", "'foo_loaded'\n")
File.write("#{@tmpdir}/foo2.rb", "'foo2_loaded'\n")

out, err = execute_lines(
"$LOAD_PATH.unshift '#{@tmpdir}'\n",
"irb_require 'foo'\n",
"irb_require 'foo2'\n",
)

assert_empty(err)
assert_match(/foo_loaded/, out)
assert_match(/foo2_loaded/, out)
end
end

class WorkspaceCommandTestCase < CommandTestCase
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