Mercurial > hg
view tests/test-dispatch.t @ 30000:557454ce854a
changelog: specify checkambig=True to revlog.__init__, to avoid ambiguity
If steps below occurs at "the same time in sec", all of mtime, ctime
and size are same between (1) and (3).
1. append data to 00changelog.i (and close transaction)
2. discard appended data by truncation (strip or rollback)
3. append same size but different data to 00changelog.i again
Therefore, cache validation doesn't work after (3) as expected.
To avoid such file stat ambiguity around truncation, this patch
specifies checkambig=True to revlog.__init__(). This makes revlog
write changes out with checkambig=True.
Even though changes of 00changelog.i themselves are written out at
changelog._finalize(), this checkambig=True is needed, because
revlog.checkinlinesize(), which is invoked at the end of
changelog._finalize(), might replace already changed 00changelog.i by
converted one.
Even after this patch, avoiding file stat ambiguity of 00changelog.i
around truncation isn't yet completed, because truncation side isn't
aware of this issue.
This is a part of ExactCacheValidationPlan.
https://www.mercurial-scm.org/wiki/ExactCacheValidationPlan
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
---|---|
date | Thu, 22 Sep 2016 21:51:59 +0900 |
parents | 7109d5ddeb0c |
children | f3c4edfd35e1 |
line wrap: on
line source
test command parsing and dispatch $ hg init a $ cd a Redundant options used to crash (issue436): $ hg -v log -v $ hg -v log -v x $ echo a > a $ hg ci -Ama adding a Missing arg: $ hg cat hg cat: invalid arguments hg cat [OPTION]... FILE... output the current or given revision of files options ([+] can be repeated): -o --output FORMAT print output to file with formatted name -r --rev REV print the given revision --decode apply any matching decode filter -I --include PATTERN [+] include names matching the given patterns -X --exclude PATTERN [+] exclude names matching the given patterns (use 'hg cat -h' to show more help) [255] [defaults] $ hg cat a a $ cat >> $HGRCPATH <<EOF > [defaults] > cat = -r null > EOF $ hg cat a a: no such file in rev 000000000000 [1] $ cd "$TESTTMP" OSError "No such file or directory" / "The system cannot find the path specified" should include filename even when it is empty $ hg -R a archive '' abort: *: '' (glob) [255] #if no-outer-repo No repo: $ hg cat abort: no repository found in '$TESTTMP' (.hg not found)! [255] #endif