treemanifests: remove _loadalllazy in _diff()
The benchmarks below use a similar setup as in ee7ee0c516ca and my other recent
commits. Yes, in some cases this runs in literally 5% of the time it
previously took.
before = a6f8ab53
diff --git:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 1.301 s +- 0.004 s | 1.309 s +- 0.012 s | 100.6%
m-u | | x | 1.303 s +- 0.009 s | 1.302 s +- 0.006 s | 99.9%
m-u | x | | 1.308 s +- 0.006 s | 1.309 s +- 0.007 s | 100.1%
m-u | x | x | 85.7 ms +- 0.6 ms | 86.0 ms +- 0.3 ms | 100.4%
l-d-r | | | 197.5 ms +- 0.7 ms | 197.8 ms +- 2.2 ms | 100.2%
l-d-r | | x | 199.4 ms +- 0.6 ms | 199.3 ms +- 0.9 ms | 99.9%
l-d-r | x | | 86.1 ms +- 0.5 ms | 85.8 ms +- 0.9 ms | 99.7%
l-d-r | x | x | 64.4 ms +- 0.4 ms | 64.4 ms +- 0.3 ms | 100.0%
diff -c . --git:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 236.7 ms +- 1.1 ms | 236.5 ms +- 1.3 ms | 99.9%
m-u | | x | 158.7 ms +- 1.0 ms | 128.0 ms +- 1.0 ms | 80.7% <--
m-u | x | | 239.7 ms +- 1.8 ms | 238.1 ms +- 1.5 ms | 99.3%
m-u | x | x | 132.4 ms +- 0.9 ms | 132.3 ms +- 0.6 ms | 99.9%
l-d-r | | | 81.8 ms +- 0.4 ms | 81.8 ms +- 0.3 ms | 100.0%
l-d-r | | x | 3.894 s +- 0.017 s | 193.6 ms +- 0.4 ms | 5.0% <--
l-d-r | x | | 106.9 ms +- 0.4 ms | 106.6 ms +- 0.3 ms | 99.7%
l-d-r | x | x | 182.7 ms +- 0.8 ms | 183.3 ms +- 0.9 ms | 100.3%
rebase -r . --keep -d .^^:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 5.615 s +- 0.109 s | 5.562 s +- 0.015 s | 99.1%
m-u | | x | 5.701 s +- 0.027 s | 5.715 s +- 0.023 s | 100.2%
m-u | x | | 5.572 s +- 0.128 s | 5.613 s +- 0.182 s | 100.7%
m-u | x | x | 633.3 ms +- 28.7 ms | 636.2 ms +- 13.8 ms | 100.5%
l-d-r | | | 666.4 ms +- 17.0 ms | 658.5 ms +- 9.3 ms | 98.8%
l-d-r | | x | 6.520 s +- 0.070 s | 6.505 s +- 0.026 s | 99.8%
l-d-r | x | | 279.0 ms +- 13.0 ms | 276.5 ms +- 4.7 ms | 99.1%
l-d-r | x | x | 1.636 s +- 0.058 s | 1.657 s +- 0.014 s | 101.3%
status --change . --copies:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 218.6 ms +- 1.4 ms | 217.9 ms +- 1.5 ms | 99.7%
m-u | | x | 138.5 ms +- 0.4 ms | 108.4 ms +- 0.2 ms | 78.3% <--
m-u | x | | 220.1 ms +- 1.3 ms | 219.7 ms +- 1.5 ms | 99.8%
m-u | x | x | 113.2 ms +- 0.4 ms | 112.4 ms +- 0.8 ms | 99.3%
l-d-r | | | 80.2 ms +- 0.3 ms | 80.6 ms +- 0.6 ms | 100.5%
l-d-r | | x | 3.899 s +- 0.020 s | 194.8 ms +- 4.0 ms | 5.0% <--
l-d-r | x | | 83.4 ms +- 0.8 ms | 83.2 ms +- 0.2 ms | 99.8%
l-d-r | x | x | 732.2 ms +- 4.3 ms | 194.9 ms +- 1.0 ms | 26.6% <--
status --copies:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 1.917 s +- 0.005 s | 1.914 s +- 0.004 s | 99.8%
m-u | | x | 1.909 s +- 0.012 s | 1.934 s +- 0.004 s | 101.3%
m-u | x | | 1.915 s +- 0.005 s | 1.904 s +- 0.004 s | 99.4%
m-u | x | x | 94.8 ms +- 0.3 ms | 94.7 ms +- 0.2 ms | 99.9%
l-d-r | | | 593.9 ms +- 1.2 ms | 594.6 ms +- 9.4 ms | 100.1%
l-d-r | | x | 595.2 ms +- 3.8 ms | 597.2 ms +- 2.6 ms | 100.3%
l-d-r | x | | 182.5 ms +- 1.6 ms | 182.1 ms +- 0.6 ms | 99.8%
l-d-r | x | x | 149.6 ms +- 0.9 ms | 149.1 ms +- 0.8 ms | 99.7%
update $rev^; ~/src/hg/hg{hg}/hg update $rev:
repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before
------+---+---+------------------------+-----------------------+------------
m-u | | | 3.121 s +- 0.007 s | 3.129 s +- 0.012 s | 100.3%
m-u | | x | 2.972 s +- 0.011 s | 2.981 s +- 0.012 s | 100.3%
m-u | x | | 3.144 s +- 0.014 s | 3.141 s +- 0.011 s | 99.9%
m-u | x | x | 312.2 ms +- 2.4 ms | 312.3 ms +- 2.1 ms | 100.0%
l-d-r | | | 444.4 ms +- 4.3 ms | 446.9 ms +- 5.3 ms | 100.6%
l-d-r | | x | 9.159 s +- 0.069 s | 9.182 s +- 0.040 s | 100.3%
l-d-r | x | | 254.6 ms +- 1.6 ms | 255.2 ms +- 1.6 ms | 100.2%
l-d-r | x | x | 1.525 s +- 0.007 s | 1.577 s +- 0.007 s | 103.4% <--?
Differential Revision: https://phab.mercurial-scm.org/D4845
# Construct the following history tree:
#
# @ 5:e1bb631146ca b1
# |
# o 4:a4fdb3b883c4 0:b608b9236435 b1
# |
# | o 3:4b57d2520816 1:44592833ba9f
# | |
# | | o 2:063f31070f65
# | |/
# | o 1:44592833ba9f
# |/
# o 0:b608b9236435
$ mkdir b1
$ cd b1
$ hg init
$ echo foo > foo
$ echo zero > a
$ hg init sub
$ echo suba > sub/suba
$ hg --cwd sub ci -Am addsuba
adding suba
$ echo 'sub = sub' > .hgsub
$ hg ci -qAm0
$ echo one > a ; hg ci -m1
$ echo two > a ; hg ci -m2
$ hg up -q 1
$ echo three > a ; hg ci -qm3
$ hg up -q 0
$ hg branch -q b1
$ echo four > a ; hg ci -qm4
$ echo five > a ; hg ci -qm5
Initial repo state:
$ hg log -G --template '{rev}:{node|short} {parents} {branches}\n'
@ 5:ff252e8273df b1
|
o 4:d047485b3896 0:60829823a42a b1
|
| o 3:6efa171f091b 1:0786582aa4b1
| |
| | o 2:bd10386d478c
| |/
| o 1:0786582aa4b1
|/
o 0:60829823a42a
Make sure update doesn't assume b1 is a repository if invoked from outside:
$ cd ..
$ hg update b1
abort: no repository found in '$TESTTMP' (.hg not found)!
[255]
$ cd b1
Test helper functions:
$ revtest () {
> msg=$1
> dirtyflag=$2 # 'clean', 'dirty' or 'dirtysub'
> startrev=$3
> targetrev=$4
> opt=$5
> hg up -qC $startrev
> test $dirtyflag = dirty && echo dirty > foo
> test $dirtyflag = dirtysub && echo dirty > sub/suba
> hg up $opt $targetrev
> hg parent --template 'parent={rev}\n'
> hg stat -S
> }
$ norevtest () {
> msg=$1
> dirtyflag=$2 # 'clean', 'dirty' or 'dirtysub'
> startrev=$3
> opt=$4
> hg up -qC $startrev
> test $dirtyflag = dirty && echo dirty > foo
> test $dirtyflag = dirtysub && echo dirty > sub/suba
> hg up $opt
> hg parent --template 'parent={rev}\n'
> hg stat -S
> }
Test cases are documented in a table in the update function of merge.py.
Cases are run as shown in that table, row by row.
$ norevtest 'none clean linear' clean 4
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=5
$ norevtest 'none clean same' clean 2
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
updated to "bd10386d478c: 2"
1 other heads for branch "default"
parent=2
$ revtest 'none clean linear' clean 1 2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=2
$ revtest 'none clean same' clean 2 3
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=3
$ revtest 'none clean cross' clean 3 4
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=4
$ revtest 'none dirty linear' dirty 1 2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=2
M foo
$ revtest 'none dirtysub linear' dirtysub 1 2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=2
M sub/suba
$ revtest 'none dirty same' dirty 2 3
abort: uncommitted changes
(commit or update --clean to discard changes)
parent=2
M foo
$ revtest 'none dirtysub same' dirtysub 2 3
abort: uncommitted changes
(commit or update --clean to discard changes)
parent=2
M sub/suba
$ revtest 'none dirty cross' dirty 3 4
abort: uncommitted changes
(commit or update --clean to discard changes)
parent=3
M foo
$ norevtest 'none dirty cross' dirty 2
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
updated to "bd10386d478c: 2"
1 other heads for branch "default"
parent=2
M foo
$ revtest 'none dirtysub cross' dirtysub 3 4
abort: uncommitted changes
(commit or update --clean to discard changes)
parent=3
M sub/suba
$ revtest '-C dirty linear' dirty 1 2 -C
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=2
$ revtest '-c dirty linear' dirty 1 2 -c
abort: uncommitted changes
parent=1
M foo
$ revtest '-m dirty linear' dirty 1 2 -m
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=2
M foo
$ revtest '-m dirty cross' dirty 3 4 -m
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=4
M foo
$ revtest '-c dirtysub linear' dirtysub 1 2 -c
abort: uncommitted changes in subrepository "sub"
parent=1
M sub/suba
$ norevtest '-c clean same' clean 2 -c
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
updated to "bd10386d478c: 2"
1 other heads for branch "default"
parent=2
$ revtest '-cC dirty linear' dirty 1 2 -cC
abort: can only specify one of -C/--clean, -c/--check, or -m/--merge
parent=1
M foo
$ revtest '-mc dirty linear' dirty 1 2 -mc
abort: can only specify one of -C/--clean, -c/--check, or -m/--merge
parent=1
M foo
$ revtest '-mC dirty linear' dirty 1 2 -mC
abort: can only specify one of -C/--clean, -c/--check, or -m/--merge
parent=1
M foo
$ echo '[commands]' >> .hg/hgrc
$ echo 'update.check = abort' >> .hg/hgrc
$ revtest 'none dirty linear' dirty 1 2
abort: uncommitted changes
parent=1
M foo
$ revtest 'none dirty linear' dirty 1 2 -c
abort: uncommitted changes
parent=1
M foo
$ revtest 'none dirty linear' dirty 1 2 -C
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=2
$ echo 'update.check = none' >> .hg/hgrc
$ revtest 'none dirty cross' dirty 3 4
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=4
M foo
$ revtest 'none dirty linear' dirty 1 2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=2
M foo
$ revtest 'none dirty linear' dirty 1 2 -c
abort: uncommitted changes
parent=1
M foo
$ revtest 'none dirty linear' dirty 1 2 -C
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=2
$ hg co -qC 3
$ echo dirty >> a
$ hg co --tool :merge3 4
merging a
warning: conflicts while merging a! (edit, then use 'hg resolve --mark')
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges
[1]
$ hg st
M a
? a.orig
$ cat a
<<<<<<< working copy: 6efa171f091b - test: 3
three
dirty
||||||| base
three
=======
four
>>>>>>> destination: d047485b3896 b1 - test: 4
$ rm a.orig
$ echo 'update.check = noconflict' >> .hg/hgrc
$ revtest 'none dirty cross' dirty 3 4
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=4
M foo
$ revtest 'none dirty linear' dirty 1 2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=2
M foo
$ revtest 'none dirty linear' dirty 1 2 -c
abort: uncommitted changes
parent=1
M foo
$ revtest 'none dirty linear' dirty 1 2 -C
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=2
Locally added file is allowed
$ hg up -qC 3
$ echo a > bar
$ hg add bar
$ hg up -q 4
$ hg st
A bar
$ hg forget bar
$ rm bar
Locally removed file is allowed
$ hg up -qC 3
$ hg rm foo
$ hg up -q 4
File conflict is not allowed
$ hg up -qC 3
$ echo dirty >> a
$ hg up -q 4
abort: conflicting changes
(commit or update --clean to discard changes)
[255]
$ hg up -m 4
merging a
warning: conflicts while merging a! (edit, then use 'hg resolve --mark')
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges
[1]
$ rm a.orig
Change/delete conflict is not allowed
$ hg up -qC 3
$ hg rm foo
$ hg up -q 4
Uses default value of "linear" when value is misspelled
$ echo 'update.check = linyar' >> .hg/hgrc
$ revtest 'dirty cross' dirty 3 4
abort: uncommitted changes
(commit or update --clean to discard changes)
parent=3
M foo
Setup for later tests
$ revtest 'none dirty linear' dirty 1 2 -c
abort: uncommitted changes
parent=1
M foo
$ cd ..
Test updating to null revision
$ hg init null-repo
$ cd null-repo
$ echo a > a
$ hg add a
$ hg ci -m a
$ hg up -qC 0
$ echo b > b
$ hg add b
$ hg up null
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg st
A b
$ hg up -q 0
$ hg st
A b
$ hg up -qC null
$ hg st
? b
$ cd ..
Test updating with closed head
---------------------------------------------------------------------
$ hg clone -U -q b1 closed-heads
$ cd closed-heads
Test updating if at least one non-closed branch head exists
if on the closed branch head:
- update to "."
- "updated to a closed branch head ...." message is displayed
- "N other heads for ...." message is displayed
$ hg update -q -C 3
$ hg commit --close-branch -m 6
$ norevtest "on closed branch head" clean 6
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
no open descendant heads on branch "default", updating to a closed head
(committing will reopen the head, use 'hg heads .' to see 1 other heads)
parent=6
if descendant non-closed branch head exists, and it is only one branch head:
- update to it, even if its revision is less than closed one
- "N other heads for ...." message isn't displayed
$ norevtest "non-closed 2 should be chosen" clean 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=2
if all descendant branch heads are closed, but there is another branch head:
- update to the tipmost descendant head
- "updated to a closed branch head ...." message is displayed
- "N other heads for ...." message is displayed
$ norevtest "all descendant branch heads are closed" clean 3
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
no open descendant heads on branch "default", updating to a closed head
(committing will reopen the head, use 'hg heads .' to see 1 other heads)
parent=6
Test updating if all branch heads are closed
if on the closed branch head:
- update to "."
- "updated to a closed branch head ...." message is displayed
- "all heads of branch ...." message is displayed
$ hg update -q -C 2
$ hg commit --close-branch -m 7
$ norevtest "all heads of branch default are closed" clean 6
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
no open descendant heads on branch "default", updating to a closed head
(committing will reopen branch "default")
parent=6
if not on the closed branch head:
- update to the tipmost descendant (closed) head
- "updated to a closed branch head ...." message is displayed
- "all heads of branch ...." message is displayed
$ norevtest "all heads of branch default are closed" clean 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
no open descendant heads on branch "default", updating to a closed head
(committing will reopen branch "default")
parent=7
$ cd ..
Test updating if "default" branch doesn't exist and no revision is
checked out (= "default" is used as current branch)
$ hg init no-default-branch
$ cd no-default-branch
$ hg branch foobar
marked working directory as branch foobar
(branches are permanent and global, did you want a bookmark?)
$ echo a > a
$ hg commit -m "#0" -A
adding a
$ echo 1 >> a
$ hg commit -m "#1"
$ hg update -q 0
$ echo 3 >> a
$ hg commit -m "#2"
created new head
$ hg commit --close-branch -m "#3"
if there is at least one non-closed branch head:
- update to the tipmost branch head
$ norevtest "non-closed 1 should be chosen" clean null
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
parent=1
if all branch heads are closed
- update to "tip"
- "updated to a closed branch head ...." message is displayed
- "all heads for branch "XXXX" are closed" message is displayed
$ hg update -q -C 1
$ hg commit --close-branch -m "#4"
$ norevtest "all branches are closed" clean null
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
no open descendant heads on branch "foobar", updating to a closed head
(committing will reopen branch "foobar")
parent=4
$ cd ../b1
Test obsolescence behavior
---------------------------------------------------------------------
successors should be taken in account when checking head destination
$ cat << EOF >> $HGRCPATH
> [ui]
> logtemplate={rev}:{node|short} {desc|firstline}
> [experimental]
> evolution.createmarkers=True
> EOF
Test no-argument update to a successor of an obsoleted changeset
$ hg log -G
o 5:ff252e8273df 5
|
o 4:d047485b3896 4
|
| o 3:6efa171f091b 3
| |
| | o 2:bd10386d478c 2
| |/
| @ 1:0786582aa4b1 1
|/
o 0:60829823a42a 0
$ hg book bm -r 3
$ hg status
M foo
We add simple obsolescence marker between 3 and 4 (indirect successors)
$ hg id --debug -i -r 3
6efa171f091b00a3c35edc15d48c52a498929953
$ hg id --debug -i -r 4
d047485b3896813b2a624e86201983520f003206
$ hg debugobsolete 6efa171f091b00a3c35edc15d48c52a498929953 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
obsoleted 1 changesets
$ hg debugobsolete aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa d047485b3896813b2a624e86201983520f003206
Test that 5 is detected as a valid destination from 3 and also accepts moving
the bookmark (issue4015)
$ hg up --quiet --hidden 3
$ hg up 5
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg book bm
moving bookmark 'bm' forward from 6efa171f091b
$ hg bookmarks
* bm 5:ff252e8273df
Test that we abort before we warn about the hidden commit if the working
directory is dirty
$ echo conflict > a
$ hg up --hidden 3
abort: uncommitted changes
(commit or update --clean to discard changes)
[255]
Test that we still warn also when there are conflicts
$ hg up -m --hidden 3
merging a
warning: conflicts while merging a! (edit, then use 'hg resolve --mark')
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges
(leaving bookmark bm)
updated to hidden changeset 6efa171f091b
(hidden revision '6efa171f091b' was rewritten as: d047485b3896)
[1]
$ hg revert -r . a
$ hg resolve -m
(no more unresolved files)
Test that 4 is detected as the no-argument destination from 3 and also moves
the bookmark with it
$ hg up --quiet 0 # we should be able to update to 3 directly
$ hg up --quiet --hidden 3 # but not implemented yet.
updated to hidden changeset 6efa171f091b
(hidden revision '6efa171f091b' was rewritten as: d047485b3896)
$ hg book -f bm
$ hg up
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
updating bookmark bm
$ hg book
* bm 4:d047485b3896
Test that 5 is detected as a valid destination from 1
$ hg up --quiet 0 # we should be able to update to 3 directly
$ hg up --quiet --hidden 3 # but not implemented yet.
updated to hidden changeset 6efa171f091b
(hidden revision '6efa171f091b' was rewritten as: d047485b3896)
$ hg up 5
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
Test that 5 is not detected as a valid destination from 2
$ hg up --quiet 0
$ hg up --quiet 2
$ hg up 5
abort: uncommitted changes
(commit or update --clean to discard changes)
[255]
Test that we don't crash when updating from a pruned changeset (i.e. has no
successors). Behavior should probably be that we update to the first
non-obsolete parent but that will be decided later.
$ hg id --debug -r 2
bd10386d478cd5a9faf2e604114c8e6da62d3889
$ hg up --quiet 0
$ hg up --quiet 2
$ hg debugobsolete bd10386d478cd5a9faf2e604114c8e6da62d3889
obsoleted 1 changesets
$ hg up
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
Test experimental revset support
$ hg log -r '_destupdate()'
2:bd10386d478c 2 (no-eol)
Test that boolean flags allow --no-flag specification to override [defaults]
$ cat >> $HGRCPATH <<EOF
> [defaults]
> update = --check
> EOF
$ hg co 2
abort: uncommitted changes
[255]
$ hg co --no-check 2
0 files updated, 0 files merged, 0 files removed, 0 files unresolved