Mercurial > hg
view tests/test-up-local-change.t @ 28240:1ac8ce137377
changegroup: fix treemanifests on merges
The current code for generating treemanifest revisions takes the list
of files in the changeset and finds the directories from them. This
does not work for merges, since a merge may pick file A from one side
and file B from another and neither of them would appear in the
changeset's "files" list, but the manifest would still change.
Fix this by instead walking the root manifest log for all needed
revisions, storing all needed file and subdirectory revisions, then
recursively visiting the subdirectories. This also turns out to be
faster: cloning a version of hg core converted to treemanifests went
from ~28s to ~19s (timing somewhat unfair: before this patch, timed
until crash; after this patch, timed until manifests complete).
The new algorithm is used only on treemanifest repos. Although it
works equally well on flat manifests, we leave the iteration over
files in the changeset for flat manifests for now.
author | Martin von Zweigbergk <martinvonz@google.com> |
---|---|
date | Fri, 12 Feb 2016 23:09:09 -0800 |
parents | 6b1fc09c699a |
children | 564a354f7f35 |
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$ HGMERGE=true; export HGMERGE $ hg init r1 $ cd r1 $ echo a > a $ hg addremove adding a $ hg commit -m "1" $ hg clone . ../r2 updating to branch default 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd ../r2 $ hg up 0 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo abc > a $ hg diff --nodates diff -r c19d34741b0a a --- a/a +++ b/a @@ -1,1 +1,1 @@ -a +abc $ cd ../r1 $ echo b > b $ echo a2 > a $ hg addremove adding b $ hg commit -m "2" $ cd ../r2 $ hg -q pull ../r1 $ hg status M a $ hg parents changeset: 0:c19d34741b0a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 1 $ hg --debug up searching for copies back to rev 1 unmatched files in other: b resolving manifests branchmerge: False, force: False, partial: False ancestor: c19d34741b0a, local: c19d34741b0a+, remote: 1e71731e6fbb preserving a for resolve of a b: remote created -> g getting b a: versions differ -> m (premerge) picked tool 'true' for a (binary False symlink False changedelete False) merging a my a@c19d34741b0a+ other a@1e71731e6fbb ancestor a@c19d34741b0a a: versions differ -> m (merge) picked tool 'true' for a (binary False symlink False changedelete False) my a@c19d34741b0a+ other a@1e71731e6fbb ancestor a@c19d34741b0a launching merge tool: true *$TESTTMP/r2/a* * * (glob) merge tool returned: 0 1 files updated, 1 files merged, 0 files removed, 0 files unresolved $ hg parents changeset: 1:1e71731e6fbb tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 $ hg --debug up 0 resolving manifests branchmerge: False, force: False, partial: False ancestor: 1e71731e6fbb, local: 1e71731e6fbb+, remote: c19d34741b0a preserving a for resolve of a b: other deleted -> r removing b a: versions differ -> m (premerge) picked tool 'true' for a (binary False symlink False changedelete False) merging a my a@1e71731e6fbb+ other a@c19d34741b0a ancestor a@1e71731e6fbb a: versions differ -> m (merge) picked tool 'true' for a (binary False symlink False changedelete False) my a@1e71731e6fbb+ other a@c19d34741b0a ancestor a@1e71731e6fbb launching merge tool: true *$TESTTMP/r2/a* * * (glob) merge tool returned: 0 0 files updated, 1 files merged, 1 files removed, 0 files unresolved $ hg parents changeset: 0:c19d34741b0a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 1 $ hg parents changeset: 0:c19d34741b0a user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 1 $ hg --debug up searching for copies back to rev 1 unmatched files in other: b resolving manifests branchmerge: False, force: False, partial: False ancestor: c19d34741b0a, local: c19d34741b0a+, remote: 1e71731e6fbb preserving a for resolve of a b: remote created -> g getting b a: versions differ -> m (premerge) picked tool 'true' for a (binary False symlink False changedelete False) merging a my a@c19d34741b0a+ other a@1e71731e6fbb ancestor a@c19d34741b0a a: versions differ -> m (merge) picked tool 'true' for a (binary False symlink False changedelete False) my a@c19d34741b0a+ other a@1e71731e6fbb ancestor a@c19d34741b0a launching merge tool: true *$TESTTMP/r2/a* * * (glob) merge tool returned: 0 1 files updated, 1 files merged, 0 files removed, 0 files unresolved $ hg parents changeset: 1:1e71731e6fbb tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 $ hg -v history changeset: 1:1e71731e6fbb tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 files: a b description: 2 changeset: 0:c19d34741b0a user: test date: Thu Jan 01 00:00:00 1970 +0000 files: a description: 1 $ hg diff --nodates diff -r 1e71731e6fbb a --- a/a +++ b/a @@ -1,1 +1,1 @@ -a2 +abc create a second head $ cd ../r1 $ hg up 0 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ echo b2 > b $ echo a3 > a $ hg addremove adding b $ hg commit -m "3" created new head $ cd ../r2 $ hg -q pull ../r1 $ hg status M a $ hg parents changeset: 1:1e71731e6fbb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: 2 $ hg --debug up 0 files updated, 0 files merged, 0 files removed, 0 files unresolved 1 other heads for branch "default" test conflicting untracked files $ hg up -qC 0 $ echo untracked > b $ hg st ? b $ hg up 1 b: untracked file differs abort: untracked files in working directory differ from files in requested revision [255] $ rm b test conflicting untracked ignored file $ hg up -qC 0 $ echo ignored > .hgignore $ hg add .hgignore $ hg ci -m 'add .hgignore' created new head $ echo ignored > ignored $ hg add ignored $ hg ci -m 'add ignored file' $ hg up -q 'desc("add .hgignore")' $ echo untracked > ignored $ hg st $ hg up 'desc("add ignored file")' ignored: untracked file differs abort: untracked files in working directory differ from files in requested revision [255] test a local add $ cd .. $ hg init a $ hg init b $ echo a > a/a $ echo a > b/a $ hg --cwd a commit -A -m a adding a $ cd b $ hg add a $ hg pull -u ../a pulling from ../a requesting all changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg st $ cd ..