store: optimize fncache._write by direncoding the contents in one go
For a netbeans clone on Windows 7 x64:
Before:
$ hg perffncachewrite
! wall 0.210000 comb 0.218401 user 0.202801 sys 0.015600 (best of 47)
After:
$ hg perffncachewrite
! wall 0.104000 comb 0.109201 user 0.078000 sys 0.031200 (best of 95)
$ cat >> $HGRCPATH <<EOF
> [extensions]
> graphlog=
> rebase=
> mq=
>
> [phases]
> publish=False
>
> [alias]
> tglog = log -G --template "{rev}: '{desc}' {branches}\n"
> theads = heads --template "{rev}: '{desc}' {branches}\n"
> EOF
$ hg init a
$ cd a
$ echo a > a
$ hg ci -Am A
adding a
$ hg branch branch1
marked working directory as branch branch1
(branches are permanent and global, did you want a bookmark?)
$ hg ci -m 'branch1'
$ echo b > b
$ hg ci -Am B
adding b
$ hg up -q 0
$ hg branch branch2
marked working directory as branch branch2
(branches are permanent and global, did you want a bookmark?)
$ hg ci -m 'branch2'
$ echo c > C
$ hg ci -Am C
adding C
$ hg up -q 2
$ hg branch -f branch2
marked working directory as branch branch2
(branches are permanent and global, did you want a bookmark?)
$ echo d > d
$ hg ci -Am D
adding d
created new head
$ echo e > e
$ hg ci -Am E
adding e
$ hg update default
0 files updated, 0 files merged, 3 files removed, 0 files unresolved
$ hg branch branch3
marked working directory as branch branch3
(branches are permanent and global, did you want a bookmark?)
$ hg ci -m 'branch3'
$ echo f > f
$ hg ci -Am F
adding f
$ cd ..
Rebase part of branch2 (5-6) onto branch3 (8):
$ hg clone -q -u . a a1
$ cd a1
$ hg tglog
@ 8: 'F' branch3
|
o 7: 'branch3' branch3
|
| o 6: 'E' branch2
| |
| o 5: 'D' branch2
| |
| | o 4: 'C' branch2
| | |
+---o 3: 'branch2' branch2
| |
| o 2: 'B' branch1
| |
| o 1: 'branch1' branch1
|/
o 0: 'A'
$ hg branches
branch3 8:4666b71e8e32
branch2 6:5097051d331d
branch1 2:0a03079c47fd (inactive)
default 0:1994f17a630e (inactive)
$ hg theads
8: 'F' branch3
6: 'E' branch2
4: 'C' branch2
2: 'B' branch1
0: 'A'
$ hg rebase -s 5 -d 8
saved backup bundle to $TESTTMP/a1/.hg/strip-backup/*-backup.hg (glob)
$ hg branches
branch3 8:466cdfb14b62
branch2 4:e4fdb121d036
branch1 2:0a03079c47fd
default 0:1994f17a630e (inactive)
$ hg theads
8: 'E' branch3
4: 'C' branch2
2: 'B' branch1
0: 'A'
$ hg tglog
@ 8: 'E' branch3
|
o 7: 'D' branch3
|
o 6: 'F' branch3
|
o 5: 'branch3' branch3
|
| o 4: 'C' branch2
| |
| o 3: 'branch2' branch2
|/
| o 2: 'B' branch1
| |
| o 1: 'branch1' branch1
|/
o 0: 'A'
$ cd ..
Rebase head of branch3 (8) onto branch2 (6):
$ hg clone -q -u . a a2
$ cd a2
$ hg tglog
@ 8: 'F' branch3
|
o 7: 'branch3' branch3
|
| o 6: 'E' branch2
| |
| o 5: 'D' branch2
| |
| | o 4: 'C' branch2
| | |
+---o 3: 'branch2' branch2
| |
| o 2: 'B' branch1
| |
| o 1: 'branch1' branch1
|/
o 0: 'A'
$ hg rebase -s 8 -d 6
saved backup bundle to $TESTTMP/a2/.hg/strip-backup/*-backup.hg (glob)
$ hg branches
branch2 8:6b4bdc1b5ac0
branch3 7:653b9feb4616
branch1 2:0a03079c47fd (inactive)
default 0:1994f17a630e (inactive)
$ hg theads
8: 'F' branch2
7: 'branch3' branch3
4: 'C' branch2
2: 'B' branch1
0: 'A'
$ hg tglog
@ 8: 'F' branch2
|
| o 7: 'branch3' branch3
| |
o | 6: 'E' branch2
| |
o | 5: 'D' branch2
| |
| | o 4: 'C' branch2
| | |
| | o 3: 'branch2' branch2
| |/
o | 2: 'B' branch1
| |
o | 1: 'branch1' branch1
|/
o 0: 'A'
$ hg verify -q
$ cd ..
Rebase entire branch3 (7-8) onto branch2 (6):
$ hg clone -q -u . a a3
$ cd a3
$ hg tglog
@ 8: 'F' branch3
|
o 7: 'branch3' branch3
|
| o 6: 'E' branch2
| |
| o 5: 'D' branch2
| |
| | o 4: 'C' branch2
| | |
+---o 3: 'branch2' branch2
| |
| o 2: 'B' branch1
| |
| o 1: 'branch1' branch1
|/
o 0: 'A'
$ hg rebase -s 7 -d 6
saved backup bundle to $TESTTMP/a3/.hg/strip-backup/*-backup.hg (glob)
$ hg branches
branch2 7:6b4bdc1b5ac0
branch1 2:0a03079c47fd (inactive)
default 0:1994f17a630e (inactive)
$ hg theads
7: 'F' branch2
4: 'C' branch2
2: 'B' branch1
0: 'A'
$ hg tglog
@ 7: 'F' branch2
|
o 6: 'E' branch2
|
o 5: 'D' branch2
|
| o 4: 'C' branch2
| |
| o 3: 'branch2' branch2
| |
o | 2: 'B' branch1
| |
o | 1: 'branch1' branch1
|/
o 0: 'A'
$ hg verify -q
Stripping multiple branches in one go bypasses the fast-case code to
update the branch cache.
$ hg strip 2
0 files updated, 0 files merged, 4 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/a3/.hg/strip-backup/*-backup.hg (glob)
$ hg tglog
o 3: 'C' branch2
|
o 2: 'branch2' branch2
|
| @ 1: 'branch1' branch1
|/
o 0: 'A'
$ hg branches
branch2 3:e4fdb121d036
branch1 1:63379ac49655
default 0:1994f17a630e (inactive)
$ hg theads
3: 'C' branch2
1: 'branch1' branch1
0: 'A'
Fast path branchcache code should not be invoked if branches stripped is not
the same as branches remaining.
$ hg init b
$ cd b
$ hg branch branch1
marked working directory as branch branch1
(branches are permanent and global, did you want a bookmark?)
$ hg ci -m 'branch1'
$ hg branch branch2
marked working directory as branch branch2
(branches are permanent and global, did you want a bookmark?)
$ hg ci -m 'branch2'
$ hg branch -f branch1
marked working directory as branch branch1
(branches are permanent and global, did you want a bookmark?)
$ echo a > A
$ hg ci -Am A
adding A
created new head
$ hg tglog
@ 2: 'A' branch1
|
o 1: 'branch2' branch2
|
o 0: 'branch1' branch1
$ hg theads
2: 'A' branch1
1: 'branch2' branch2
$ hg strip 2
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/a3/b/.hg/strip-backup/*-backup.hg (glob)
$ hg theads
1: 'branch2' branch2
0: 'branch1' branch1
Make sure requesting to strip a revision already stripped does not confuse things.
Try both orders.
$ cd ..
$ hg init c
$ cd c
$ echo a > a
$ hg ci -Am A
adding a
$ echo b > b
$ hg ci -Am B
adding b
$ echo c > c
$ hg ci -Am C
adding c
$ echo d > d
$ hg ci -Am D
adding d
$ echo e > e
$ hg ci -Am E
adding e
$ hg tglog
@ 4: 'E'
|
o 3: 'D'
|
o 2: 'C'
|
o 1: 'B'
|
o 0: 'A'
$ hg strip 3 4
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/a3/c/.hg/strip-backup/*-backup.hg (glob)
$ hg theads
2: 'C'
$ hg strip 2 1
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/a3/c/.hg/strip-backup/*-backup.hg (glob)
$ hg theads
0: 'A'