tests/test-narrow-expanddirstate.t
author Martin von Zweigbergk <martinvonz@google.com>
Wed, 02 Dec 2020 15:39:01 -0800
changeset 46010 61c1f29e7f4f
parent 41236 44a51c1c8e17
child 47740 28d5e05c139a
permissions -rw-r--r--
rebase: clear merge state when aborting in-memory merge on dirty working copy Differential Revision: https://phab.mercurial-scm.org/D9509
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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  $ . "$TESTDIR/narrow-library.sh"
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  $ hg init master
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  $ cd master
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  $ mkdir inside
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  $ echo inside > inside/f1
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  $ mkdir outside
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  $ echo outside > outside/f2
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  $ mkdir patchdir
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  $ echo patch_this > patchdir/f3
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  $ hg ci -Aqm 'initial'
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  $ cd ..
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  $ hg clone --narrow ssh://user@dummy/master narrow --include inside
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  requesting all changes
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  adding changesets
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  adding manifests
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  adding file changes
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  added 1 changesets with 1 changes to 1 files
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  new changesets dff6a2a6d433
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  updating to branch default
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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ cd narrow
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  $ mkdir outside
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  $ echo other_contents > outside/f2
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  $ hg tracked | grep outside
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  [1]
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  $ hg files | grep outside
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  [1]
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  $ hg status
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`hg status` did not add outside.
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  $ hg tracked | grep outside
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  [1]
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  $ hg files | grep outside
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  [1]
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Unfortunately this is not really a candidate for adding to narrowhg proper,
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since it depends on some other source for providing the manifests (when using
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treemanifests) and file contents. Something like a virtual filesystem and/or
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remotefilelog. We want to be useful when not using those systems, so we do not
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have this method available in narrowhg proper at the moment.
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  $ cat > "$TESTTMP/expand_extension.py" <<EOF
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  > import os
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  > import sys
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  > 
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  > from mercurial import encoding
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  > from mercurial import extensions
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  > from mercurial import localrepo
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  > from mercurial import match as matchmod
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  > from mercurial import narrowspec
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  > from mercurial import patch
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  > from mercurial import util as hgutil
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  > 
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  > narrowspecexpanded = False
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  > def expandnarrowspec(ui, repo, newincludes=None):
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  >   if not newincludes:
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  >     return
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  >   if getattr(repo, '_narrowspecexpanded', False):
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  >     return
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  >   repo._narrowspecexpanded = True
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  >   import sys
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  >   newincludes = set([newincludes])
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  >   includes, excludes = repo.narrowpats
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  >   currentmatcher = narrowspec.match(repo.root, includes, excludes)
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  >   includes = includes | newincludes
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  >   if not repo.currenttransaction():
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  >     ui.develwarn(b'expandnarrowspec called outside of transaction!')
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  >   repo.setnarrowpats(includes, excludes)
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  >   narrowspec.copytoworkingcopy(repo)
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  >   newmatcher = narrowspec.match(repo.root, includes, excludes)
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  >   added = matchmod.differencematcher(newmatcher, currentmatcher)
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  >   for f in repo[b'.'].manifest().walk(added):
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  >     repo.dirstate.normallookup(f)
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  > 
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  > def reposetup(ui, repo):
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  >   class expandingrepo(repo.__class__):
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  >     def narrowmatch(self, *args, **kwargs):
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  >       with repo.wlock(), repo.lock(), repo.transaction(
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  >           b'expandnarrowspec'):
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  >         expandnarrowspec(ui, repo,
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  >                          encoding.environ.get(b'DIRSTATEINCLUDES'))
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  >       return super(expandingrepo, self).narrowmatch(*args, **kwargs)
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  >   repo.__class__ = expandingrepo
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  > 
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  > def extsetup(unused_ui):
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  >   def overridepatch(orig, ui, repo, *args, **kwargs):
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  >     with repo.wlock():
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  >       expandnarrowspec(ui, repo, encoding.environ.get(b'PATCHINCLUDES'))
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  >       return orig(ui, repo, *args, **kwargs)
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  > 
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  >   extensions.wrapfunction(patch, b'patch', overridepatch)
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  > EOF
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  $ cat >> ".hg/hgrc" <<EOF
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  > [extensions]
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  > expand_extension = $TESTTMP/expand_extension.py
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  > EOF
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Since we do not have the ability to rely on a virtual filesystem or
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remotefilelog in the test, we just fake it by copying the data from the 'master'
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repo.
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  $ cp -a ../master/.hg/store/data/* .hg/store/data
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Do that for patchdir as well.
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  $ cp -a ../master/patchdir .
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`hg status` will now add outside, but not patchdir.
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  $ DIRSTATEINCLUDES=path:outside hg status
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  M outside/f2
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  $ hg tracked | grep outside
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  I path:outside
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  $ hg files | grep outside > /dev/null
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  $ hg tracked | grep patchdir
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  [1]
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  $ hg files | grep patchdir
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  [1]
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Get rid of the modification to outside/f2.
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  $ hg update -C .
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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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This patch will not apply cleanly at the moment, so `hg import` will break
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  $ cat > "$TESTTMP/foo.patch" <<EOF
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  > --- patchdir/f3
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  > +++ patchdir/f3
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  > @@ -1,1 +1,1 @@
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  > -this should be "patch_this", but its not, so patch fails
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  > +this text is irrelevant
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  > EOF
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  $ PATCHINCLUDES=path:patchdir hg import -p0 -e "$TESTTMP/foo.patch" -m ignored
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  applying $TESTTMP/foo.patch
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  patching file patchdir/f3
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  Hunk #1 FAILED at 0
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  1 out of 1 hunks FAILED -- saving rejects to file patchdir/f3.rej
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  abort: patch failed to apply
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  [255]
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  $ hg tracked | grep patchdir
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  [1]
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  $ hg files | grep patchdir > /dev/null
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  [1]
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Let's make it apply cleanly and see that it *did* expand properly
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  $ cat > "$TESTTMP/foo.patch" <<EOF
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  > --- patchdir/f3
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  > +++ patchdir/f3
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  > @@ -1,1 +1,1 @@
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  > -patch_this
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  > +patched_this
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  > EOF
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  $ PATCHINCLUDES=path:patchdir hg import -p0 -e "$TESTTMP/foo.patch" -m message
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  applying $TESTTMP/foo.patch
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  $ cat patchdir/f3
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  patched_this
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  $ hg tracked | grep patchdir
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  I path:patchdir
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  $ hg files | grep patchdir > /dev/null