Adapt contribution policy?

As some experience shows [1] [2], accident happens when people are authorized to push the code themselves (after diff review or not [1]...). It may be times to discuss some contribution policy adaptations.

Discussion happened on irc some time ago between @zack, @nahimilega and me. Possible policies so far:

• (current) contributor can push once the diff is reviewed and accepted.
• contributor never pushes. Staff member pushes once the diff is reviewed [3]

Please feel free to amend the description ;)

• [1] swh/devel/swh-deposit!34 (closed)

• [2] $452

• [3] We'll then have to discuss the git adaptations needed (git commit message format, merge policy, etc...).

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Migrated from T1856 (view on Phabricator)