Exclude dev files from dist package

[cedric-anne]

For the time being, when fetching the dist package from composer, all repository files are included. Using export-ignore git attribute would permit to make the dist package ligther (see https://php.watch/articles/composer-gitattributes#export-ignore).

[cedric-anne]

ping @wapmorgan

[wapmorgan]

What does it do? What's purpose of this?

[cedric-anne]

For the time being, when fetching the dist package from composer, all repository files are included. Using export-ignore git attribute would permit to make the dist package ligther (see https://php.watch/articles/composer-gitattributes#export-ignore).

See PR description.

[wapmorgan]

PHPUnit package, for examples, has a .gitattributes file with several export-ignore rules to fine to the downloadable package

Where is export-ignore ?

[cedric-anne]

Where is export-ignore ?

My bad, these were missing. I fixed it.

[sonarqubecloud[bot]]

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