Mercurial > hg
view tests/test-histedit-drop.t @ 24787:9d5c27890790
largefiles: for update -C, only update largefiles when necessary
Before, a --clean update with largefiles would use the "optimization" that it
didn't read hashes from standin files before and after the update. Instead of
trusting the content of the standin files, it would rehash all the actual
largefiles that lfdirstate reported clean and update the standins that didn't
have the expected content. It could thus in some "impossible" situations
automatically recover from some "largefile got out sync with its standin"
issues (even there apparently still were weird corner cases where it could
fail). This extra checking is similar to what core --clean intentionally do
not do, and it made update --clean unbearable slow.
Usually in core Mercurial, --clean will rely on the dirstate to find the files
it should update. (It is thus intentionally possible (when trying to trick the
system or if there should be bugs) to end up in situations where --clean not
will restore the working directory content correctly.) Checking every file when
we "know" it is ok is however not an option - that would be too slow.
Instead, trust the content of the standin files. Use the same logic for --clean
as for linear updates and trust the dirstate and that our "logic" will keep
them in sync. It is much cheaper to just rehash the largefiles reported dirty
by a status walk and read all standins than to hash largefiles.
Most of the changes are just a change of indentation now when the different
kinds of updates no longer are handled that differently. Standins for added
files are however only written when doing a normal update, while deleted and
removed files only will be updated for --clean updates.
author | Mads Kiilerich <madski@unity3d.com> |
---|---|
date | Wed, 15 Apr 2015 15:22:16 -0400 |
parents | 96d130697f07 |
children | 5837ca674da9 |
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$ . "$TESTDIR/histedit-helpers.sh" $ cat >> $HGRCPATH <<EOF > [extensions] > histedit= > EOF $ initrepo () > { > hg init r > cd r > for x in a b c d e f ; do > echo $x > $x > hg add $x > hg ci -m $x > done > } $ initrepo log before edit $ hg log --graph @ changeset: 5:652413bf663e | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: f | o changeset: 4:e860deea161a | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: e | o changeset: 3:055a42cdd887 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: d | o changeset: 2:177f92b77385 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: c | o changeset: 1:d2ae7f538514 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:cb9a9f314b8b user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a edit the history $ hg histedit 177f92b77385 --commands - 2>&1 << EOF | fixbundle > drop 177f92b77385 c > pick e860deea161a e > pick 652413bf663e f > pick 055a42cdd887 d > EOF 0 files updated, 0 files merged, 4 files removed, 0 files unresolved 0 files updated, 0 files merged, 0 files removed, 0 files unresolved 0 files updated, 0 files merged, 0 files removed, 0 files unresolved 0 files updated, 0 files merged, 0 files removed, 0 files unresolved log after edit $ hg log --graph @ changeset: 4:f518305ce889 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: d | o changeset: 3:a4f7421b80f7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: f | o changeset: 2:ee283cb5f2d5 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: e | o changeset: 1:d2ae7f538514 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:cb9a9f314b8b user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a Check histedit_source $ hg log --debug --rev f518305ce889 changeset: 4:f518305ce889c07cb5bd05522176d75590ef3324 tag: tip phase: draft parent: 3:a4f7421b80f79fcc59fff01bcbf4a53d127dd6d3 parent: -1:0000000000000000000000000000000000000000 manifest: 4:d3d4f51c157ff242c32ff745d4799aaa26ccda44 user: test date: Thu Jan 01 00:00:00 1970 +0000 files+: d extra: branch=default extra: histedit_source=055a42cdd88768532f9cf79daa407fc8d138de9b description: d manifest after edit $ hg manifest a b d e f Drop the last changeset $ hg histedit ee283cb5f2d5 --commands - 2>&1 << EOF | fixbundle > pick ee283cb5f2d5 e > pick a4f7421b80f7 f > drop f518305ce889 d > EOF 0 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg log --graph @ changeset: 3:a4f7421b80f7 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: f | o changeset: 2:ee283cb5f2d5 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: e | o changeset: 1:d2ae7f538514 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:cb9a9f314b8b user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ cd ..