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Strip literal '^[' ANSI escapes in test output cleaning #2137

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Merged
edmorley merged 1 commit into from
Sep 2, 2026
Merged

Strip literal '^[' ANSI escapes in test output cleaning #2137

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4 changes: 3 additions & 1 deletion spec/spec_helper.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,9 @@ def clean_output(output)
# https://github.com/heroku/hatchet/issues/162
.gsub(/ {8}(?=\R)/, '')
# Remove ANSI colour codes used in buildpack output (e.g. error messages).
.gsub(/\e\[[0-9;]+m/, '')
# GitHub Actions runners deliver the escape byte as the two literal characters
# "^[" instead of 0x1B, so strip both variants.
.gsub(/(?:\e|\^\[)\[[0-9;]+m/, '')
end

def normalize_trailing_newlines(output)
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