AVRO-3865, AVRO-3866: [Build][Perl][Python] Refer to share/VERSION.txt rather than copy it

[sarutak]

AVRO-3865
AVRO-3866

What is the purpose of the change

This PR proposes to change the build process of Perl and Python SDK not to copying share/VERSION.txt when we run lang/perl/build.sh dist or lang/py/build.sh doc.

Verifying this change

Done by CI.

Documentation

• Does this pull request introduce a new feature? (no)

[sarutak]

BTW, build.sh dist doesn't create lang/py/VERSION.txt because lang/py/build.sh dist doesn't generates doc for Python.
That issue will be resolved in #2509

[martin-g]

They are created when we run lang/perl/build.sh doc

Actually the Perl build script has no doc target. It is the dist target that copies the file -

avro/lang/perl/build.sh

Lines 60 to 61 in a240ceb

	dist)
	cp ../../share/VERSION.txt .

IMO we should improve the build.sh scripts to clean up after themselves instead of hiding the files with .gitignore.

[sarutak]

Actually the Perl build script has no doc target. It is the dist target that copies the file -

Sorry, it's a typo. I've modified it.

IMO we should improve the build.sh scripts to clean up after themselves instead of hiding the files with .gitignore.

Or, how about just referring to share/VERSION.txt rather than copying it.

[martin-g]

Or, how about just referring to share/VERSION.txt rather than copying it.

Also OK if it works!

[martin-g]

Thank you, @sarutak !

[RyanSkraba]

Wow -- thanks so much for this speedy fix :D It's magic to me when a contributor picks up a to do item that's been bugging me for ages ❤️