[Bug 2030977] Re: icu data files shipped in tzdata source package are generated and miss original form

[Benjamin Drung]

** Description changed:

  The tzdata source packages ships four files in debian/icu that are not
  built from source:
  
  ```
  $ grep -i generated debian/icu/*
  debian/icu/metaZones.txt:// Generated using tools/cldr/cldr-to-icu/build-icu-data.xml
  debian/icu/timezoneTypes.txt:// Generated using tools/cldr/cldr-to-icu/build-icu-data.xml
  debian/icu/windowsZones.txt:// Generated using tools/cldr/cldr-to-icu/build-icu-data.xml
  debian/icu/zoneinfo64.txt:// >> !!! >>   THIS IS A MACHINE-GENERATED FILE   << !!! <<
  ```
  
  They're not considered as the preferred form of modification. Please
  replace them with the original form and generate them with
- tools/cldr/cldr-to-icu/build-icu-data.xml during package build.
+ tools/cldr/cldr-to-icu/build-icu-data.xml during package build:
+ https://github.com/unicode-org/icu/blob/main/tools/cldr/cldr-to-
+ icu/build-icu-data.xml

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https://bugs.launchpad.net/bugs/2030977

Title:
  icu data files shipped in tzdata source package are generated and miss
  original form

Status in tzdata package in Ubuntu:
  New

Bug description:
  The tzdata source packages ships four files in debian/icu that are not
  built from source:

  ```
  $ grep -i generated debian/icu/*
  debian/icu/metaZones.txt:// Generated using tools/cldr/cldr-to-icu/build-icu-data.xml
  debian/icu/timezoneTypes.txt:// Generated using tools/cldr/cldr-to-icu/build-icu-data.xml
  debian/icu/windowsZones.txt:// Generated using tools/cldr/cldr-to-icu/build-icu-data.xml
  debian/icu/zoneinfo64.txt:// >> !!! >>   THIS IS A MACHINE-GENERATED FILE   << !!! <<
  ```

  They're not considered as the preferred form of modification. Please
  replace them with the original form and generate them with
  tools/cldr/cldr-to-icu/build-icu-data.xml during package build:
  https://github.com/unicode-org/icu/blob/main/tools/cldr/cldr-to-
  icu/build-icu-data.xml

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