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view tests/test-merge-force.t @ 29830:92ac2baaea86
revlog: use an LRU cache for delta chain bases
Profiling using statprof revealed a hotspot during changegroup
application calculating delta chain bases on generaldelta repos.
Essentially, revlog._addrevision() was performing a lot of redundant
work tracing the delta chain as part of determining when the chain
distance was acceptable. This was most pronounced when adding
revisions to manifests, which can have delta chains thousands of
revisions long.
There was a delta chain base cache on revlogs before, but it only
captured a single revision. This was acceptable before generaldelta,
when _addrevision would build deltas from the previous revision and
thus we'd pretty much guarantee a cache hit when resolving the delta
chain base on a subsequent _addrevision call. However, it isn't
suitable for generaldelta because parent revisions aren't necessarily
the last processed revision.
This patch converts the delta chain base cache to an LRU dict cache.
The cache can hold multiple entries, so generaldelta repos have a
higher chance of getting a cache hit.
The impact of this change when processing changegroup additions is
significant. On a generaldelta conversion of the "mozilla-unified"
repo (which contains heads of the main Firefox repositories in
chronological order - this means there are lots of transitions between
heads in revlog order), this change has the following impact when
performing an `hg unbundle` of an uncompressed bundle of the repo:
before: 5:42 CPU time
after: 4:34 CPU time
Most of this time is saved when applying the changelog and manifest
revlogs:
before: 2:30 CPU time
after: 1:17 CPU time
That nearly a 50% reduction in CPU time applying changesets and
manifests!
Applying a gzipped bundle of the same repo (effectively simulating a
`hg clone` over HTTP) showed a similar speedup:
before: 5:53 CPU time
after: 4:46 CPU time
Wall time improvements were basically the same as CPU time.
I didn't measure explicitly, but it feels like most of the time
is saved when processing manifests. This makes sense, as large
manifests tend to have very long delta chains and thus benefit the
most from this cache.
So, this change effectively makes changegroup application (which is
used by `hg unbundle`, `hg clone`, `hg pull`, `hg unshelve`, and
various other commands) significantly faster when delta chains are
long (which can happen on repos with large numbers of files and thus
large manifests).
In theory, this change can result in more memory utilization. However,
we're caching a dict of ints. At most we have 200 ints + Python object
overhead per revlog. And, the cache is really only populated when
performing read-heavy operations, such as adding changegroups or
scanning an individual revlog. For memory bloat to be an issue, we'd
need to scan/read several revisions from several revlogs all while
having active references to several revlogs. I don't think there are
many operations that do this, so I don't think memory bloat from the
cache will be an issue.
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Mon, 22 Aug 2016 21:48:50 -0700 |
parents | 978b907d9b36 |
children | 940c05b25b07 |
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Set up a base, local, and remote changeset, as well as the working copy state. Files names are of the form base_remote_local_working-copy. For example, content1_content2_content1_content2-untracked represents a file that was modified in the remote changeset, left untouched in the local changeset, and then modified in the working copy to match the remote content, then finally forgotten. $ hg init repo $ cd repo Create base changeset $ python $TESTDIR/generate-working-copy-states.py state 3 1 $ hg addremove -q --similarity 0 $ hg commit -qm 'base' Create remote changeset $ python $TESTDIR/generate-working-copy-states.py state 3 2 $ hg addremove -q --similarity 0 $ hg commit -qm 'remote' Create local changeset $ hg update -q 0 $ python $TESTDIR/generate-working-copy-states.py state 3 3 $ hg addremove -q --similarity 0 $ hg commit -qm 'local' Set up working directory $ python $TESTDIR/generate-working-copy-states.py state 3 wc $ hg addremove -q --similarity 0 $ hg forget *_*_*_*-untracked $ rm *_*_*_missing-* $ hg status -A M content1_content1_content1_content4-tracked M content1_content1_content3_content1-tracked M content1_content1_content3_content4-tracked M content1_content2_content1_content2-tracked M content1_content2_content1_content4-tracked M content1_content2_content2_content1-tracked M content1_content2_content2_content4-tracked M content1_content2_content3_content1-tracked M content1_content2_content3_content2-tracked M content1_content2_content3_content4-tracked M content1_missing_content1_content4-tracked M content1_missing_content3_content1-tracked M content1_missing_content3_content4-tracked M missing_content2_content2_content4-tracked M missing_content2_content3_content2-tracked M missing_content2_content3_content4-tracked M missing_missing_content3_content4-tracked A content1_content1_missing_content1-tracked A content1_content1_missing_content4-tracked A content1_content2_missing_content1-tracked A content1_content2_missing_content2-tracked A content1_content2_missing_content4-tracked A content1_missing_missing_content1-tracked A content1_missing_missing_content4-tracked A missing_content2_missing_content2-tracked A missing_content2_missing_content4-tracked A missing_missing_missing_content4-tracked R content1_content1_content1_content1-untracked R content1_content1_content1_content4-untracked R content1_content1_content1_missing-untracked R content1_content1_content3_content1-untracked R content1_content1_content3_content3-untracked R content1_content1_content3_content4-untracked R content1_content1_content3_missing-untracked R content1_content2_content1_content1-untracked R content1_content2_content1_content2-untracked R content1_content2_content1_content4-untracked R content1_content2_content1_missing-untracked R content1_content2_content2_content1-untracked R content1_content2_content2_content2-untracked R content1_content2_content2_content4-untracked R content1_content2_content2_missing-untracked R content1_content2_content3_content1-untracked R content1_content2_content3_content2-untracked R content1_content2_content3_content3-untracked R content1_content2_content3_content4-untracked R content1_content2_content3_missing-untracked R content1_missing_content1_content1-untracked R content1_missing_content1_content4-untracked R content1_missing_content1_missing-untracked R content1_missing_content3_content1-untracked R content1_missing_content3_content3-untracked R content1_missing_content3_content4-untracked R content1_missing_content3_missing-untracked R missing_content2_content2_content2-untracked R missing_content2_content2_content4-untracked R missing_content2_content2_missing-untracked R missing_content2_content3_content2-untracked R missing_content2_content3_content3-untracked R missing_content2_content3_content4-untracked R missing_content2_content3_missing-untracked R missing_missing_content3_content3-untracked R missing_missing_content3_content4-untracked R missing_missing_content3_missing-untracked ! content1_content1_content1_missing-tracked ! content1_content1_content3_missing-tracked ! content1_content1_missing_missing-tracked ! content1_content2_content1_missing-tracked ! content1_content2_content2_missing-tracked ! content1_content2_content3_missing-tracked ! content1_content2_missing_missing-tracked ! content1_missing_content1_missing-tracked ! content1_missing_content3_missing-tracked ! content1_missing_missing_missing-tracked ! missing_content2_content2_missing-tracked ! missing_content2_content3_missing-tracked ! missing_content2_missing_missing-tracked ! missing_missing_content3_missing-tracked ! missing_missing_missing_missing-tracked ? content1_content1_missing_content1-untracked ? content1_content1_missing_content4-untracked ? content1_content2_missing_content1-untracked ? content1_content2_missing_content2-untracked ? content1_content2_missing_content4-untracked ? content1_missing_missing_content1-untracked ? content1_missing_missing_content4-untracked ? missing_content2_missing_content2-untracked ? missing_content2_missing_content4-untracked ? missing_missing_missing_content4-untracked C content1_content1_content1_content1-tracked C content1_content1_content3_content3-tracked C content1_content2_content1_content1-tracked C content1_content2_content2_content2-tracked C content1_content2_content3_content3-tracked C content1_missing_content1_content1-tracked C content1_missing_content3_content3-tracked C missing_content2_content2_content2-tracked C missing_content2_content3_content3-tracked C missing_missing_content3_content3-tracked Merge with remote # Notes: # - local and remote changed content1_content2_*_content2-untracked # in the same way, so it could potentially be left alone $ hg merge -f --tool internal:merge3 'desc("remote")' 2>&1 | tee $TESTTMP/merge-output-1 local changed content1_missing_content1_content4-tracked which other deleted use (c)hanged version, (d)elete, or leave (u)nresolved? u local changed content1_missing_content3_content3-tracked which other deleted use (c)hanged version, (d)elete, or leave (u)nresolved? u local changed content1_missing_content3_content4-tracked which other deleted use (c)hanged version, (d)elete, or leave (u)nresolved? u local changed content1_missing_missing_content4-tracked which other deleted use (c)hanged version, (d)elete, or leave (u)nresolved? u other changed content1_content2_content1_content1-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content1_content2-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content1_content4-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content1_missing-tracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content1_missing-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content2_content1-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content2_content2-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content2_content4-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content2_missing-tracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content2_missing-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content3_content1-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content3_content2-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content3_content3-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content3_content4-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content3_missing-tracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content3_missing-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_missing_content1-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_missing_content2-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_missing_content4-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_missing_missing-tracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_missing_missing-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u merging content1_content2_content1_content4-tracked merging content1_content2_content2_content1-tracked merging content1_content2_content2_content4-tracked merging content1_content2_content3_content1-tracked merging content1_content2_content3_content3-tracked merging content1_content2_content3_content4-tracked merging content1_content2_missing_content1-tracked merging content1_content2_missing_content4-tracked merging missing_content2_content2_content4-tracked merging missing_content2_content3_content3-tracked merging missing_content2_content3_content4-tracked merging missing_content2_missing_content4-tracked merging missing_content2_missing_content4-untracked warning: conflicts while merging content1_content2_content1_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging content1_content2_content2_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging content1_content2_content3_content3-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging content1_content2_content3_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging content1_content2_missing_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging missing_content2_content2_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging missing_content2_content3_content3-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging missing_content2_content3_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging missing_content2_missing_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging missing_content2_missing_content4-untracked! (edit, then use 'hg resolve --mark') 18 files updated, 3 files merged, 8 files removed, 35 files unresolved use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon Check which files need to be resolved (should correspond to the output above). This should be the files for which the base (1st filename segment), the remote (2nd segment) and the working copy (4th segment) are all different. Interestingly, one untracked file got merged and added, which corresponds to the odd 'if force and branchmerge and different' case in manifestmerge(). $ hg resolve -l U content1_content2_content1_content1-untracked U content1_content2_content1_content2-untracked U content1_content2_content1_content4-tracked U content1_content2_content1_content4-untracked U content1_content2_content1_missing-tracked U content1_content2_content1_missing-untracked R content1_content2_content2_content1-tracked U content1_content2_content2_content1-untracked U content1_content2_content2_content2-untracked U content1_content2_content2_content4-tracked U content1_content2_content2_content4-untracked U content1_content2_content2_missing-tracked U content1_content2_content2_missing-untracked R content1_content2_content3_content1-tracked U content1_content2_content3_content1-untracked U content1_content2_content3_content2-untracked U content1_content2_content3_content3-tracked U content1_content2_content3_content3-untracked U content1_content2_content3_content4-tracked U content1_content2_content3_content4-untracked U content1_content2_content3_missing-tracked U content1_content2_content3_missing-untracked R content1_content2_missing_content1-tracked U content1_content2_missing_content1-untracked U content1_content2_missing_content2-untracked U content1_content2_missing_content4-tracked U content1_content2_missing_content4-untracked U content1_content2_missing_missing-tracked U content1_content2_missing_missing-untracked U content1_missing_content1_content4-tracked U content1_missing_content3_content3-tracked U content1_missing_content3_content4-tracked U content1_missing_missing_content4-tracked U missing_content2_content2_content4-tracked U missing_content2_content3_content3-tracked U missing_content2_content3_content4-tracked U missing_content2_missing_content4-tracked U missing_content2_missing_content4-untracked Check status and file content Some files get added (e.g. content1_content2_content1_content1-untracked) It is not intuitive that content1_content2_content1_content4-tracked gets merged while content1_content2_content1_content4-untracked gets overwritten. Any *_content2_*-untracked triggers the modified/deleted prompt and then gets overwritten. A lot of untracked files become tracked, for example content1_content2_content2_content2-untracked. *_missing_missing_missing-tracked is reported as removed ('R'), which doesn't make sense since the file did not exist in the parent, but on the other hand, merged-in additions are reported as modifications, which is almost as strange. missing_missing_content3_missing-tracked becomes removed ('R'), even though the remote side did not touch the file $ checkstatus() { > for f in `python $TESTDIR/generate-working-copy-states.py filelist 3` > do > echo > hg status -A $f > if test -f $f > then > cat $f > else > echo '<missing>' > fi > done > } $ checkstatus 2>&1 | tee $TESTTMP/status1 C content1_content1_content1_content1-tracked content1 R content1_content1_content1_content1-untracked content1 M content1_content1_content1_content4-tracked content4 R content1_content1_content1_content4-untracked content4 ! content1_content1_content1_missing-tracked <missing> R content1_content1_content1_missing-untracked <missing> M content1_content1_content3_content1-tracked content1 R content1_content1_content3_content1-untracked content1 C content1_content1_content3_content3-tracked content3 R content1_content1_content3_content3-untracked content3 M content1_content1_content3_content4-tracked content4 R content1_content1_content3_content4-untracked content4 ! content1_content1_content3_missing-tracked <missing> R content1_content1_content3_missing-untracked <missing> A content1_content1_missing_content1-tracked content1 ? content1_content1_missing_content1-untracked content1 A content1_content1_missing_content4-tracked content4 ? content1_content1_missing_content4-untracked content4 ! content1_content1_missing_missing-tracked <missing> content1_content1_missing_missing-untracked: * (glob) <missing> M content1_content2_content1_content1-tracked content2 M content1_content2_content1_content1-untracked content2 M content1_content2_content1_content2-tracked content2 M content1_content2_content1_content2-untracked content2 M content1_content2_content1_content4-tracked <<<<<<< local: 0447570f1af6 - test: local content4 ||||||| base content1 ======= content2 >>>>>>> other: 85100b8c675b - test: remote M content1_content2_content1_content4-untracked content2 M content1_content2_content1_missing-tracked content2 M content1_content2_content1_missing-untracked content2 M content1_content2_content2_content1-tracked content2 M content1_content2_content2_content1-untracked content2 C content1_content2_content2_content2-tracked content2 M content1_content2_content2_content2-untracked content2 M content1_content2_content2_content4-tracked <<<<<<< local: 0447570f1af6 - test: local content4 ||||||| base content1 ======= content2 >>>>>>> other: 85100b8c675b - test: remote M content1_content2_content2_content4-untracked content2 M content1_content2_content2_missing-tracked content2 M content1_content2_content2_missing-untracked content2 M content1_content2_content3_content1-tracked content2 M content1_content2_content3_content1-untracked content2 M content1_content2_content3_content2-tracked content2 M content1_content2_content3_content2-untracked content2 M content1_content2_content3_content3-tracked <<<<<<< local: 0447570f1af6 - test: local content3 ||||||| base content1 ======= content2 >>>>>>> other: 85100b8c675b - test: remote M content1_content2_content3_content3-untracked content2 M content1_content2_content3_content4-tracked <<<<<<< local: 0447570f1af6 - test: local content4 ||||||| base content1 ======= content2 >>>>>>> other: 85100b8c675b - test: remote M content1_content2_content3_content4-untracked content2 M content1_content2_content3_missing-tracked content2 M content1_content2_content3_missing-untracked content2 M content1_content2_missing_content1-tracked content2 M content1_content2_missing_content1-untracked content2 M content1_content2_missing_content2-tracked content2 M content1_content2_missing_content2-untracked content2 M content1_content2_missing_content4-tracked <<<<<<< local: 0447570f1af6 - test: local content4 ||||||| base content1 ======= content2 >>>>>>> other: 85100b8c675b - test: remote M content1_content2_missing_content4-untracked content2 M content1_content2_missing_missing-tracked content2 M content1_content2_missing_missing-untracked content2 R content1_missing_content1_content1-tracked <missing> R content1_missing_content1_content1-untracked content1 M content1_missing_content1_content4-tracked content4 R content1_missing_content1_content4-untracked content4 R content1_missing_content1_missing-tracked <missing> R content1_missing_content1_missing-untracked <missing> R content1_missing_content3_content1-tracked <missing> R content1_missing_content3_content1-untracked content1 C content1_missing_content3_content3-tracked content3 R content1_missing_content3_content3-untracked content3 M content1_missing_content3_content4-tracked content4 R content1_missing_content3_content4-untracked content4 R content1_missing_content3_missing-tracked <missing> R content1_missing_content3_missing-untracked <missing> R content1_missing_missing_content1-tracked <missing> ? content1_missing_missing_content1-untracked content1 A content1_missing_missing_content4-tracked content4 ? content1_missing_missing_content4-untracked content4 R content1_missing_missing_missing-tracked <missing> content1_missing_missing_missing-untracked: * (glob) <missing> C missing_content2_content2_content2-tracked content2 M missing_content2_content2_content2-untracked content2 M missing_content2_content2_content4-tracked <<<<<<< local: 0447570f1af6 - test: local content4 ||||||| base ======= content2 >>>>>>> other: 85100b8c675b - test: remote M missing_content2_content2_content4-untracked content2 M missing_content2_content2_missing-tracked content2 M missing_content2_content2_missing-untracked content2 M missing_content2_content3_content2-tracked content2 M missing_content2_content3_content2-untracked content2 M missing_content2_content3_content3-tracked <<<<<<< local: 0447570f1af6 - test: local content3 ||||||| base ======= content2 >>>>>>> other: 85100b8c675b - test: remote M missing_content2_content3_content3-untracked content2 M missing_content2_content3_content4-tracked <<<<<<< local: 0447570f1af6 - test: local content4 ||||||| base ======= content2 >>>>>>> other: 85100b8c675b - test: remote M missing_content2_content3_content4-untracked content2 M missing_content2_content3_missing-tracked content2 M missing_content2_content3_missing-untracked content2 M missing_content2_missing_content2-tracked content2 M missing_content2_missing_content2-untracked content2 M missing_content2_missing_content4-tracked <<<<<<< local: 0447570f1af6 - test: local content4 ||||||| base ======= content2 >>>>>>> other: 85100b8c675b - test: remote M missing_content2_missing_content4-untracked <<<<<<< local: 0447570f1af6 - test: local content4 ||||||| base ======= content2 >>>>>>> other: 85100b8c675b - test: remote M missing_content2_missing_missing-tracked content2 M missing_content2_missing_missing-untracked content2 C missing_missing_content3_content3-tracked content3 R missing_missing_content3_content3-untracked content3 M missing_missing_content3_content4-tracked content4 R missing_missing_content3_content4-untracked content4 R missing_missing_content3_missing-tracked <missing> R missing_missing_content3_missing-untracked <missing> A missing_missing_missing_content4-tracked content4 ? missing_missing_missing_content4-untracked content4 R missing_missing_missing_missing-tracked <missing> missing_missing_missing_missing-untracked: * (glob) <missing> $ for f in `python $TESTDIR/generate-working-copy-states.py filelist 3` > do > if test -f ${f}.orig > then > echo ${f}.orig: > cat ${f}.orig > fi > done content1_content2_content1_content4-tracked.orig: content4 content1_content2_content2_content4-tracked.orig: content4 content1_content2_content3_content3-tracked.orig: content3 content1_content2_content3_content4-tracked.orig: content4 content1_content2_missing_content4-tracked.orig: content4 missing_content2_content2_content4-tracked.orig: content4 missing_content2_content3_content3-tracked.orig: content3 missing_content2_content3_content4-tracked.orig: content4 missing_content2_missing_content4-tracked.orig: content4 missing_content2_missing_content4-untracked.orig: content4 Re-resolve and check status $ hg resolve --unmark --all $ hg resolve --all --tool :local (no more unresolved files) $ hg resolve --unmark --all $ hg resolve --all --tool internal:merge3 other changed content1_content2_content1_content1-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content1_content2-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u merging content1_content2_content1_content4-tracked other changed content1_content2_content1_content4-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content1_missing-tracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content1_missing-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u merging content1_content2_content2_content1-tracked other changed content1_content2_content2_content1-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content2_content2-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u merging content1_content2_content2_content4-tracked other changed content1_content2_content2_content4-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content2_missing-tracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content2_missing-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u merging content1_content2_content3_content1-tracked other changed content1_content2_content3_content1-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content3_content2-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u merging content1_content2_content3_content3-tracked other changed content1_content2_content3_content3-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u merging content1_content2_content3_content4-tracked other changed content1_content2_content3_content4-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content3_missing-tracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_content3_missing-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u merging content1_content2_missing_content1-tracked other changed content1_content2_missing_content1-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_missing_content2-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u merging content1_content2_missing_content4-tracked other changed content1_content2_missing_content4-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_missing_missing-tracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u other changed content1_content2_missing_missing-untracked which local deleted use (c)hanged version, leave (d)eleted, or leave (u)nresolved? u local changed content1_missing_content1_content4-tracked which other deleted use (c)hanged version, (d)elete, or leave (u)nresolved? u local changed content1_missing_content3_content3-tracked which other deleted use (c)hanged version, (d)elete, or leave (u)nresolved? u local changed content1_missing_content3_content4-tracked which other deleted use (c)hanged version, (d)elete, or leave (u)nresolved? u local changed content1_missing_missing_content4-tracked which other deleted use (c)hanged version, (d)elete, or leave (u)nresolved? u merging missing_content2_content2_content4-tracked merging missing_content2_content3_content3-tracked merging missing_content2_content3_content4-tracked merging missing_content2_missing_content4-tracked merging missing_content2_missing_content4-untracked warning: conflicts while merging content1_content2_content1_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging content1_content2_content2_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging content1_content2_content3_content3-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging content1_content2_content3_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging content1_content2_missing_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging missing_content2_content2_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging missing_content2_content3_content3-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging missing_content2_content3_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging missing_content2_missing_content4-tracked! (edit, then use 'hg resolve --mark') warning: conflicts while merging missing_content2_missing_content4-untracked! (edit, then use 'hg resolve --mark') [1] $ checkstatus > $TESTTMP/status2 2>&1 $ cmp $TESTTMP/status1 $TESTTMP/status2 || diff -U8 $TESTTMP/status1 $TESTTMP/status2 Set up working directory again $ hg -q update --clean 2 $ hg --config extensions.purge= purge $ python $TESTDIR/generate-working-copy-states.py state 3 wc $ hg addremove -q --similarity 0 $ hg forget *_*_*_*-untracked $ rm *_*_*_missing-* Merge with checkunknown = warn, see that behavior is the same as before $ hg merge -f --tool internal:merge3 'desc("remote")' --config merge.checkunknown=warn > $TESTTMP/merge-output-2 2>&1 [1] $ cmp $TESTTMP/merge-output-1 $TESTTMP/merge-output-2 || diff -U8 $TESTTMP/merge-output-1 $TESTTMP/merge-output-2