[xiehuanyi]

The README new-locale command writes to humanize/locale, although the source checkout stores catalogs under src/humanize/locale. It also requires the destination directory to exist.

Changes proposed in this pull request:

• Use the current source-catalog path in msginit.
• Create the new locale’s LC_MESSAGES directory before generating the catalog.

Validation: in an isolated temporary checkout, reproduced msginit failing on the old output path. Executed the corrected README commands with cs_CZ and --no-translator for noninteractive validation; the catalog was created at the source path and passed msgfmt --check. Generated existing translation binaries and ran the full suite: 854 passed, 2 skipped. prek run --all-files passes.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.70%. Comparing base (318888d) to head (0c0c9a9).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #445   +/-   ##
=======================================
  Coverage   99.70%   99.70%           
=======================================
  Files          12       12           
  Lines        1021     1021           
=======================================
  Hits         1018     1018           
  Misses          3        3           

Flag	Coverage Δ
macos-latest	97.25% <ø> (ø)
ubuntu-latest	97.25% <ø> (ø)
windows-latest	91.96% <ø> (ø)

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