packaging: move most of contrib/docker to contrib/packaging/docker
contrib/ is kind of a dumping ground for all kinds of random things.
Many of the files in contrib/ are related to packaging. But sorting
out how everything is related is a lot of effort since it is all
mixed together.
This commit starts the process of refactoring everything related
to packaging so it all lives under one roof.
Most content from contrib/docker is simply moved to
contrib/packaging/docker and all references are updated.
Differential Revision: https://phab.mercurial-scm.org/D3541
Test for changeset ba7c74081861
(update dirstate correctly for non-branchmerge updates)
$ hg init a
$ cd a
$ echo a > a
$ hg add a
$ hg commit -m a
$ cd ..
$ hg clone a b
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd a
$ hg mv a b
$ hg commit -m move
$ echo b >> b
$ hg commit -m b
$ cd ../b
$ hg pull ../a
pulling from ../a
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files
new changesets e3c9b40284e1:772b37f1ca37
(run 'hg update' to get a working copy)
$ hg update
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ cd ..