tests/test-static-http.t

phases: large rewrite on retract boundary

The new code is still pure Python, so we still have room to going significantly
faster. However its complexity of the complex part is `O(|[min_new_draft, tip]|)` instead of
`O(|[min_draft, tip]|` which should help tremendously one repository with old
draft (like mercurial-devel or mozilla-try).

This is especially useful as the most common "retract boundary" operation
happens when we commit/rewrite new drafts or when we push new draft to a
non-publishing server. In this case, the smallest new_revs is very close to the
tip and there is very few work to do.

A few smaller optimisation could be done for these cases and will be introduced in
later changesets.

We still have iterate over large sets of roots, but this is already a great
improvement for a very small amount of work. We gather information on the
affected changeset as we go as we can put it to use in the next changesets.
This extra data collection might slowdown the `register_new` case a bit, however
for register_new, it should not really matters. The set of new nodes is either
small, so the impact is negligible, or the set of new nodes is large, and the
amount of work to do to had them will dominate the overhead the collecting
information in `changed_revs`.

As this new code compute the changes on the fly, it unlock other interesting
improvement to be done in later changeset.

#require no-reposimplestore

  $ hg clone http://localhost:$HGPORT/ copy
  abort: * (glob)
  [100]
  $ test -d copy
  [1]

This server doesn't do range requests so it's basically only good for
one pull

  $ "$PYTHON" "$TESTDIR/dumbhttp.py" -p $HGPORT --pid dumb.pid \
  > --logfile server.log
  $ cat dumb.pid >> $DAEMON_PIDS
  $ hg init remote
  $ cd remote
  $ echo foo > bar
  $ echo c2 > '.dotfile with spaces'
  $ hg add
  adding .dotfile with spaces
  adding bar
  $ hg commit -m"test"
  $ hg tip
  changeset:   0:02770d679fb8
  tag:         tip
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     test
  
  $ cd ..
  $ hg clone static-http://localhost:$HGPORT/remote local
  requesting all changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 2 changes to 2 files
  new changesets 02770d679fb8
  updating to branch default
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd local
  $ hg verify -q
  $ cat bar
  foo
  $ cd ../remote
  $ echo baz > quux
  $ hg commit -A -mtest2
  adding quux

check for HTTP opener failures when cachefile does not exist

  $ rm .hg/cache/*
  $ cd ../local
  $ cat >> .hg/hgrc <<EOF
  > [hooks]
  > changegroup = sh -c "printenv.py --line changegroup"
  > EOF
  $ hg pull
  pulling from static-http://localhost:$HGPORT/remote
  searching for changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 1 changes to 1 files
  new changesets 4ac2e3648604
  changegroup hook: HG_HOOKNAME=changegroup
  HG_HOOKTYPE=changegroup
  HG_NODE=4ac2e3648604439c580c69b09ec9d93a88d93432
  HG_NODE_LAST=4ac2e3648604439c580c69b09ec9d93a88d93432
  HG_SOURCE=pull
  HG_TXNID=TXN:$ID$
  HG_TXNNAME=pull
  http://localhost:$HGPORT/remote
  HG_URL=http://localhost:$HGPORT/remote
  
  (run 'hg update' to get a working copy)

trying to push

  $ hg update
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ echo more foo >> bar
  $ hg commit -m"test"
  $ hg push
  pushing to static-http://localhost:$HGPORT/remote
  abort: destination does not support push
  [255]

trying clone -r

  $ cd ..
  $ hg clone -r doesnotexist static-http://localhost:$HGPORT/remote local0
  abort: unknown revision 'doesnotexist'
  [10]
  $ hg clone -r 0 static-http://localhost:$HGPORT/remote local0
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 2 changes to 2 files
  new changesets 02770d679fb8
  updating to branch default
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

test with "/" URI (issue747) and subrepo

  $ hg init
  $ hg init sub
  $ touch sub/test
  $ hg -R sub commit -A -m "test"
  adding test
  $ hg -R sub tag not-empty
  $ echo sub=sub > .hgsub
  $ echo a > a
  $ hg add a .hgsub
  $ hg -q ci -ma
  $ hg clone static-http://localhost:$HGPORT/ local2
  requesting all changes
  adding changesets
  adding manifests
  adding file changes
  added 1 changesets with 3 changes to 3 files
  new changesets a9ebfbe8e587
  updating to branch default
  cloning subrepo sub from static-http://localhost:$HGPORT/sub
  requesting all changes
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 2 files
  new changesets be090ea66256:322ea90975df
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd local2
  $ hg verify -q
  $ cat a
  a
  $ hg paths
  default = static-http://localhost:$HGPORT/

test with empty repo (issue965)

  $ cd ..
  $ hg init remotempty
  $ hg clone static-http://localhost:$HGPORT/remotempty local3
  no changes found
  updating to branch default
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd local3
  $ hg verify -q
  $ hg paths
  default = static-http://localhost:$HGPORT/remotempty

test autodetecting static-http: scheme (issue6833)

  $ cd ..
  $ hg init actually-static
  $ hg clone http://localhost:$HGPORT/actually-static local4
  no changes found
  updating to branch default
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved

test with non-repo

  $ mkdir notarepo
  $ hg clone static-http://localhost:$HGPORT/notarepo local3
  abort: 'http://localhost:$HGPORT/notarepo' does not appear to be an hg repository
  [255]

Clone with tags and branches works

  $ hg init remote-with-names
  $ cd remote-with-names
  $ echo 0 > foo
  $ hg -q commit -A -m initial
  $ echo 1 > foo
  $ hg commit -m 'commit 1'
  $ hg -q up 0
  $ hg branch mybranch
  marked working directory as branch mybranch
  (branches are permanent and global, did you want a bookmark?)
  $ echo 2 > foo
  $ hg commit -m 'commit 2 (mybranch)'
  $ hg tag -r 1 'default-tag'
  $ hg tag -r 2 'branch-tag'

  $ cd ..

  $ hg clone static-http://localhost:$HGPORT/remote-with-names local-with-names
  requesting all changes
  adding changesets
  adding manifests
  adding file changes
  added 5 changesets with 5 changes to 2 files (+1 heads)
  new changesets 68986213bd44:0c325bd2b5a7
  updating to branch default
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

Clone a specific branch works

  $ hg clone -r mybranch static-http://localhost:$HGPORT/remote-with-names local-with-names-branch
  adding changesets
  adding manifests
  adding file changes
  added 4 changesets with 4 changes to 2 files
  new changesets 68986213bd44:0c325bd2b5a7
  updating to branch mybranch
  2 files updated, 0 files merged, 0 files removed, 0 files unresolved

Clone a specific tag works

  $ hg clone -r default-tag static-http://localhost:$HGPORT/remote-with-names local-with-names-tag
  adding changesets
  adding manifests
  adding file changes
  added 2 changesets with 2 changes to 1 files
  new changesets 68986213bd44:4ee3fcef1c80
  updating to branch default
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ killdaemons.py

List of files accessed over HTTP:

  $ cat server.log | sed -n -e 's|.*GET \(/[^ ]*\).*|\1|p' | sort -u
  /.hg/bookmarks
  /.hg/bookmarks.current
  /.hg/cache/hgtagsfnodes1
  /.hg/dirstate
  /.hg/requires
  /.hg/store/00changelog.d
  /.hg/store/00changelog.i
  /.hg/store/00manifest.i
  /.hg/store/data/%7E2ehgsub.i (no-py37 !)
  /.hg/store/data/%7E2ehgsubstate.i (no-py37 !)
  /.hg/store/data/a.i
  /.hg/store/data/~2ehgsub.i (py37 !)
  /.hg/store/data/~2ehgsubstate.i (py37 !)
  /.hg/store/requires
  /actually-static/.hg/bookmarks
  /actually-static/.hg/bookmarks.current
  /actually-static/.hg/dirstate
  /actually-static/.hg/requires
  /actually-static/.hg/store/00changelog.i
  /actually-static/.hg/store/00manifest.i
  /actually-static/.hg/store/requires
  /actually-static/?cmd=capabilities
  /actually-static?cmd=capabilities
  /notarepo/.hg/00changelog.i
  /notarepo/.hg/requires
  /remote-with-names/.hg/bookmarks
  /remote-with-names/.hg/bookmarks.current
  /remote-with-names/.hg/cache/branch2-served
  /remote-with-names/.hg/cache/hgtagsfnodes1
  /remote-with-names/.hg/cache/tags2-served
  /remote-with-names/.hg/dirstate
  /remote-with-names/.hg/localtags
  /remote-with-names/.hg/requires
  /remote-with-names/.hg/store/00changelog.d
  /remote-with-names/.hg/store/00changelog.i
  /remote-with-names/.hg/store/00manifest.i
  /remote-with-names/.hg/store/data/%7E2ehgtags.i (no-py37 !)
  /remote-with-names/.hg/store/data/foo.i
  /remote-with-names/.hg/store/data/~2ehgtags.i (py37 !)
  /remote-with-names/.hg/store/obsstore
  /remote-with-names/.hg/store/requires
  /remote/.hg/bookmarks
  /remote/.hg/bookmarks.current
  /remote/.hg/cache/branch2-base
  /remote/.hg/cache/branch2-immutable
  /remote/.hg/cache/branch2-served
  /remote/.hg/cache/hgtagsfnodes1
  /remote/.hg/cache/rbc-names-v1
  /remote/.hg/cache/tags2-served
  /remote/.hg/dirstate
  /remote/.hg/localtags
  /remote/.hg/requires
  /remote/.hg/store/00changelog.d
  /remote/.hg/store/00changelog.i
  /remote/.hg/store/00manifest.i
  /remote/.hg/store/data/%7E2edotfile%20with%20spaces.i (no-py37 !)
  /remote/.hg/store/data/%7E2ehgtags.i (no-py37 !)
  /remote/.hg/store/data/bar.i
  /remote/.hg/store/data/quux.i
  /remote/.hg/store/data/~2edotfile%20with%20spaces.i (py37 !)
  /remote/.hg/store/data/~2ehgtags.i (py37 !)
  /remote/.hg/store/obsstore
  /remote/.hg/store/requires
  /remotempty/.hg/bookmarks
  /remotempty/.hg/bookmarks.current
  /remotempty/.hg/dirstate
  /remotempty/.hg/requires
  /remotempty/.hg/store/00changelog.i
  /remotempty/.hg/store/00manifest.i
  /remotempty/.hg/store/requires
  /sub/.hg/bookmarks
  /sub/.hg/bookmarks.current
  /sub/.hg/cache/hgtagsfnodes1
  /sub/.hg/dirstate
  /sub/.hg/requires
  /sub/.hg/store/00changelog.d
  /sub/.hg/store/00changelog.i
  /sub/.hg/store/00manifest.i
  /sub/.hg/store/data/%7E2ehgtags.i (no-py37 !)
  /sub/.hg/store/data/test.i
  /sub/.hg/store/data/~2ehgtags.i (py37 !)
  /sub/.hg/store/requires