store: replace invocation of "getsize()" by "vfs.stat()"
This patch replaces invocation of "getsize()", which calls "os.stat()"
internally, by "vfs.stat()".
The object referred by "self.rawvfs" is used internally by
"_fncachevfs" and doesn't encode filename for each file API invocation.
This patch invokes "os.stat()" via "self.rawvfs" to avoid redundant
filename encoding: invocation of "os.stat()" via "self.vfs" hides
filename encoding and encoding result from caller, so it is not
appropriate, when both encoded and non-encoded filenames should be
yield.
Even though changeset b42b0729744d improved stream_out performance by
"self.pathsep + path", this patch replaces it by
"os.path.join(self.base, path)" of vfs. So, this may increase cost to
join path components.
But this shouldn't have large impact, because:
- such cost is much less than cost of "os.stat()" which causes
system call invocation
- "datafiles()" of store object is invoked only for "hg manifest
--all" or "hg verify" which are both heavy functions
$ cat >> $HGRCPATH <<EOF
> [extensions]
> graphlog=
> rebase=
>
> [phases]
> publish=False
>
> [alias]
> tglog = log -G --template "{rev}: '{desc}' bookmarks: {bookmarks}\n"
> EOF
Create a repo with several bookmarks
$ hg init a
$ cd a
$ echo a > a
$ hg ci -Am A
adding a
$ echo b > b
$ hg ci -Am B
adding b
$ hg book 'X'
$ hg book 'Y'
$ echo c > c
$ hg ci -Am C
adding c
$ hg book 'Z'
$ hg up -q 0
$ echo d > d
$ hg ci -Am D
adding d
created new head
$ hg book W
$ hg tglog
@ 3: 'D' bookmarks: W
|
| o 2: 'C' bookmarks: Y Z
| |
| o 1: 'B' bookmarks: X
|/
o 0: 'A' bookmarks:
Move only rebased bookmarks
$ cd ..
$ hg clone -q a a1
$ cd a1
$ hg up -q Z
$ hg rebase -s Y -d 3
saved backup bundle to $TESTTMP/a1/.hg/strip-backup/*-backup.hg (glob)
$ hg tglog
@ 3: 'C' bookmarks: Y Z
|
o 2: 'D' bookmarks: W
|
| o 1: 'B' bookmarks: X
|/
o 0: 'A' bookmarks:
Keep bookmarks to the correct rebased changeset
$ cd ..
$ hg clone -q a a2
$ cd a2
$ hg up -q Z
$ hg rebase -s 1 -d 3
saved backup bundle to $TESTTMP/a2/.hg/strip-backup/*-backup.hg (glob)
$ hg tglog
@ 3: 'C' bookmarks: Y Z
|
o 2: 'B' bookmarks: X
|
o 1: 'D' bookmarks: W
|
o 0: 'A' bookmarks:
Keep active bookmark on the correct changeset
$ cd ..
$ hg clone -q a a3
$ cd a3
$ hg up -q X
$ hg rebase -d W
saved backup bundle to $TESTTMP/a3/.hg/strip-backup/*-backup.hg (glob)
$ hg tglog
@ 3: 'C' bookmarks: Y Z
|
o 2: 'B' bookmarks: X
|
o 1: 'D' bookmarks: W
|
o 0: 'A' bookmarks:
$ cd ..