view tests/test-dispatch.py.out @ 20553:86cefb15e7b5

cmdutil: implemented new lazy increasingwindows

Now log can work in a lazy way and get results as soon as they are processed.

Performance Benchmarking:

$ time hg log -l1 -qr "branch(default)"
0:9117c6561b0b

real  0m2.303s
user  0m2.252s
sys 0m0.048s

$ time ./hg log -l1 -qr "branch(default)"
0:9117c6561b0b

real  0m0.238s
user  0m0.199s
sys 0m0.037s

running: init test1
result: None
running: add foo
result: 0
running: commit -m commit1 -d 2000-01-01 foo
result: None
running: commit -m commit2 -d 2000-01-02 foo
result: None
running: log -r 0
changeset:   0:0e4634943879
user:        test
date:        Sat Jan 01 00:00:00 2000 +0000
summary:     commit1

result: None
running: log -r tip
changeset:   1:45589e459b2e
tag:         tip
user:        test
date:        Sun Jan 02 00:00:00 2000 +0000
summary:     commit2

result: None