Mercurial > hg
annotate tests/test-merge5.t @ 27430:e240e914d226 stable
revlog: seek to end of file before writing (issue4943)
Revlogs were recently refactored to open file handles in "a+" and use a
persistent file handle for reading and writing. This drastically
reduced the number of file handles being opened.
Unfortunately, it appears that some versions of Solaris lose the file
offset when performing a write after the handle has been seeked.
The simplest workaround is to seek to EOF on files opened in a+ mode
before writing to them, which is what this patch does.
Ideally, this code would exist in the vfs layer. However, this would
require creating a proxy class for file objects in order to provide a
custom implementation of write(). This would add overhead. Since
revlogs are the only files we open in a+ mode, the one-off workaround
in revlog.py should be sufficient.
This patch appears to have little to no impact on performance on my
Linux machine.
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Thu, 17 Dec 2015 17:16:02 -0800 |
parents | fe80fdf68ba7 |
children | 72072cfc7e91 |
rev | line source |
---|---|
11978
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
1 $ hg init |
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
2 $ echo This is file a1 > a |
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
3 $ echo This is file b1 > b |
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
4 $ hg add a b |
12155
94ad12aa0530
test-merge5: removed unnecessary parts of test
Martin Geisler <mg@lazybytes.net>
parents:
12154
diff
changeset
|
5 $ hg commit -m "commit #0" |
11978
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
6 $ echo This is file b22 > b |
12155
94ad12aa0530
test-merge5: removed unnecessary parts of test
Martin Geisler <mg@lazybytes.net>
parents:
12154
diff
changeset
|
7 $ hg commit -m "comment #1" |
11978
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
8 $ hg update 0 |
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
9 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
10 $ rm b |
12155
94ad12aa0530
test-merge5: removed unnecessary parts of test
Martin Geisler <mg@lazybytes.net>
parents:
12154
diff
changeset
|
11 $ hg commit -A -m "comment #2" |
11978
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
12 removing b |
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
13 created new head |
12154
c85e07a2d783
test-merge5: ensure updating to tip across branches is tested
Brodie Rao <brodie@bitheap.org>
parents:
11978
diff
changeset
|
14 $ hg update 1 |
c85e07a2d783
test-merge5: ensure updating to tip across branches is tested
Brodie Rao <brodie@bitheap.org>
parents:
11978
diff
changeset
|
15 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |
c85e07a2d783
test-merge5: ensure updating to tip across branches is tested
Brodie Rao <brodie@bitheap.org>
parents:
11978
diff
changeset
|
16 $ hg update |
19798
76df01e56e7f
update: improve error message for clean non-linear update
Siddharth Agarwal <sid0@fb.com>
parents:
17849
diff
changeset
|
17 abort: not a linear update |
76df01e56e7f
update: improve error message for clean non-linear update
Siddharth Agarwal <sid0@fb.com>
parents:
17849
diff
changeset
|
18 (merge or update --check to force update) |
12316
4134686b83e1
tests: add exit codes to unified tests
Matt Mackall <mpm@selenic.com>
parents:
12155
diff
changeset
|
19 [255] |
17849
6da47b655d97
update: check for missing files with --check (issue3595)
Matt Mackall <mpm@selenic.com>
parents:
14485
diff
changeset
|
20 $ rm b |
6da47b655d97
update: check for missing files with --check (issue3595)
Matt Mackall <mpm@selenic.com>
parents:
14485
diff
changeset
|
21 $ hg update -c |
19801
41abe2e3e3b7
update: standardize error message for dirty update --check
Siddharth Agarwal <sid0@fb.com>
parents:
19799
diff
changeset
|
22 abort: uncommitted changes |
17849
6da47b655d97
update: check for missing files with --check (issue3595)
Matt Mackall <mpm@selenic.com>
parents:
14485
diff
changeset
|
23 [255] |
6da47b655d97
update: check for missing files with --check (issue3595)
Matt Mackall <mpm@selenic.com>
parents:
14485
diff
changeset
|
24 $ hg revert b |
12154
c85e07a2d783
test-merge5: ensure updating to tip across branches is tested
Brodie Rao <brodie@bitheap.org>
parents:
11978
diff
changeset
|
25 $ hg update -c |
c85e07a2d783
test-merge5: ensure updating to tip across branches is tested
Brodie Rao <brodie@bitheap.org>
parents:
11978
diff
changeset
|
26 0 files updated, 0 files merged, 1 files removed, 0 files unresolved |
11978
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
27 $ mv a c |
415
c2b9502a4e96
[PATCH] Don't prompt user for keep-vs-delete when the merge is about to be aborted
mpm@selenic.com
parents:
diff
changeset
|
28 |
12155
94ad12aa0530
test-merge5: removed unnecessary parts of test
Martin Geisler <mg@lazybytes.net>
parents:
12154
diff
changeset
|
29 Should abort: |
94ad12aa0530
test-merge5: removed unnecessary parts of test
Martin Geisler <mg@lazybytes.net>
parents:
12154
diff
changeset
|
30 |
23026
fe80fdf68ba7
test-merge5: remove obsolete '-y' and its motivating comment
Martin von Zweigbergk <martinvonz@gmail.com>
parents:
19801
diff
changeset
|
31 $ hg update 1 |
19799
ab3e42225dbc
update: add error message for dirty non-linear update with no rev
Siddharth Agarwal <sid0@fb.com>
parents:
19798
diff
changeset
|
32 abort: uncommitted changes |
ab3e42225dbc
update: add error message for dirty non-linear update with no rev
Siddharth Agarwal <sid0@fb.com>
parents:
19798
diff
changeset
|
33 (commit or update --clean to discard changes) |
12316
4134686b83e1
tests: add exit codes to unified tests
Matt Mackall <mpm@selenic.com>
parents:
12155
diff
changeset
|
34 [255] |
11978
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
35 $ mv c a |
12155
94ad12aa0530
test-merge5: removed unnecessary parts of test
Martin Geisler <mg@lazybytes.net>
parents:
12154
diff
changeset
|
36 |
94ad12aa0530
test-merge5: removed unnecessary parts of test
Martin Geisler <mg@lazybytes.net>
parents:
12154
diff
changeset
|
37 Should succeed: |
94ad12aa0530
test-merge5: removed unnecessary parts of test
Martin Geisler <mg@lazybytes.net>
parents:
12154
diff
changeset
|
38 |
23026
fe80fdf68ba7
test-merge5: remove obsolete '-y' and its motivating comment
Martin von Zweigbergk <martinvonz@gmail.com>
parents:
19801
diff
changeset
|
39 $ hg update 1 |
11978
ef4a1ffbf519
tests: unify test-merge5
Pradeepkumar Gayam <in3xes@gmail.com>
parents:
6350
diff
changeset
|
40 1 files updated, 0 files merged, 0 files removed, 0 files unresolved |