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gstack/test
Garry Tan 7697fb2981 fix(cso): install Rails gems on one thread so exports stop failing (v1.91.31.0) (#3056)
Ruby's File.umask getter sets the process umask to 0 for an instant, and
RubyGems calls it for every extracted file. With bundle install --jobs 2, a
directory created by the other install thread in that window came out 0777,
and the prepared-tree export correctly refused it ('prepared tree contains a
publicly writable directory'). The offline install now runs --jobs 1.

preparedExportRejection() also accepts the helper's real output: its
top-level handler prints the bare message and exits 70, which CI reported as
'unrecognized helper failure'.
2026-10-06 20:13:27 +00:00
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