In an effort of splitting Moby and Docker, we are reorganizing the repo to avoid confusion (see #32871)

We decided to not move some of the packages at first, so we won't break projects depending on those.

Item 1 - Move pkgs with single consumers to a subpackage of that consumer

(see https://gist.github.com/dnephin/35dc10f6b6b7017f058a71908b301d38)

• github.com/docker/docker/pkg/aaparser remove pkg/aaparser, and inline remaining functionality in profiles/apparmor #47005
• github.com/docker/docker/pkg/broadcaster remove pkg/broadcaster and make it internal to container/streams #49172
• github.com/docker/docker/pkg/devicemapper Remove deprecated devicemapper storage driver #43637
• github.com/docker/docker/pkg/directory pkg/directory: deprecate, and move to internal #48108
  • github.com/docker/docker/pkg/directory remove deprecated pkg/longpath.Prefix, pkg/directory #48779
• github.com/docker/docker/pkg/filenotify LogFile follow without filenotify #43294
• github.com/docker/docker/pkg/gitutils (@dnephin Split and remove pkg/gitutils and pkg/httputils #33477)
• github.com/docker/docker/pkg/jsonlog
  • move or duplicate RFC3339NanoFixed first Move pkg/jsonlog to be a subpackage of the single consumer #34946
  • Move pkg/jsonlog to be a subpackage of the single consumer #34946
• github.com/docker/docker/pkg/listenershttps://github.com/Move pkg/listeners away #34442
• github.com/docker/docker/pkg/loopback deprecate pkg/loopback (utility package for devicemapper) #46506
• github.com/docker/docker/pkg/namesgenerator
• github.com/docker/docker/pkg/parsers
  • pkg/sysinfo: internalize parsing cpusets #49193
  • pkg/sysinfo: parse cpuset.cpus/mems once and memoize #49221
  • pkg/parsers: deprecate ParseUintListMaximum, ParseUintList #49222
  • deprecate pkg/parsers.ParseKeyValueOpt and move internal #49177
  • TODO: remove package for v29
• github.com/docker/docker/pkg/pidfile
• github.com/docker/docker/pkg/platform deprecate pkg/platform and move internal #48862
• github.com/docker/docker/pkg/platforms pkg/platforms: internalize in daemon/containerd #47141
• github.com/docker/docker/pkg/pubsub migrate pkg/pubsub to github.com/moby/pubsub #44221
• github.com/docker/docker/pkg/registrar Store container names in memdb #33886
• github.com/docker/docker/pkg/tailfile
• github.com/docker/docker/pkg/tlsconfig Move pkg/listeners away #34442
• github.com/docker/docker/pkg/truncindex Use hashicorp/go-memdb instead of truncindex #43624
• github.com/docker/docker/pkg/dmesg pkg/dmesg: deprecate, and use internal utility instead #47999
  • pkg/dmesg: remove deprecated package #48109
• github.com/docker/docker/pkg/containerfs pkg/containerfs: move to internal #48097
• github.com/docker/docker/pkg/capabilties pkg/capabilities move to daemon/internal #48101
• pkg/rootless/specconv: move to internal #48110

Item 2 - Split packages with poor cohesion

• github.com/docker/docker/pkg/stringutils (@charrywanganthony Split and remove pkg/stringutils #35473)
• github.com/docker/docker/pkg/httputils (@dnephin Split and remove pkg/gitutils and pkg/httputils #33477)
• github.com/docker/docker/pkg/idtools
  • Split idtools to an internal package and package to be moved #49087
  • Split pkg/idtools #33482
• github.com/docker/docker/pkg/ioutils
  • move multireader out of /pkg #33479
  • pkg/ioutils: remove OnEOFReader and move it internal #49170
  • pkg/ioutils: move atomic file-writers to a separate (pkg/atomicwriter) package #49171
  • pkg/ioutils: deprecate unused types and functions #49244
  • pkg/ioutils: remove or internalize deprecated types and functions #49245
  • pkg/ioutils: deprecate NopWriter, NopWriteCloser #49254
  • pkg/ioutils: remove deprecated NopWriter, NopWriteCloser #49256
• github.com/docker/docker/pkg/term Deprecate pkg/term and make it an alias for github.com/moby/term #40825

Item 3 - Reduce scope of packages and reduce inter-package dependency

• pkg/stringid: deprecate ValidateID, IsShortID #47995
• pkg/archive, pkg/chrootarchive: remove dependency on pkg/longpath #47997
• daemon/graphdriver: split, internalize packages to separate snapshotters and graphdrivers #48092
• pkg/system: deprecate MkdirAll and remove custom volume GUID handling #49162

Item 4 - Move packages to separate modules

• github.com/docker/docker/image/spec
  • image/spec: merge history of the v1, v1.1 and v1.2 specification #46374
  • image/specs: add missing OnBuild (v1.0), ArgsEscaped (v1.1), and Shell (v1.2) fields #46371
  • image/spec: Add Go structs #46363
  • migrate image spec to github.com/moby/docker-image-spec #47362
• github.com/docker/docker/pkg/locker
  • [discuss] move pkg/locker to a standalone repository #41422
  • replace pkg/locker with github.com/moby/locker #41436
• github.com/docker/docker/pkg/pubsub
  • [DISCUSS] move pkg/pubsub to a standalone repository #44057
  • migrate pkg/pubsub to github.com/moby/pubsub #44221
• github.com/docker/docker/pkg/signal
  • pkg/signal: make package self-contained (in preparation of moving to moby/sys) #42641
  • migrate github.com/docker/docker/pkg/signal (take 2) sys#70
• github.com/docker/docker/pkg/symlink
  • Migrate github.com/docker/docker/pkg/symlink sys#54
• sequential utilities from github.com/docker/docker/pkg/system
  • Integrate github.com/docker/docker/pkg/system Sequential utilities sys#121
• github.com/docker/docker/pkg/reexec
  • pkg/reexec: cleanup and remove some dependencies #47932
  • pkg/reexec: some cleaning up in preparation of moving to a separate module #49118
  • integrate pkg/reexec sys#179
  • pkg/reexec: deprecate and migrate to github.com/moby/sys/reexec #49129
  • migrate to github.com/moby/sys/reexec buildkit#5605