util.url: copy urllib.unquote() into util to improve startup times
The ui class uses util.hasscheme() in a couple of places, causing hg
to import urllib even when it doesn't need to. This copies
urllib.unquote() to avoid that import.
perfstartup time before the URL refactoring (8796fb6af67e):
! wall 0.050692 comb 0.000000 user 0.000000 sys 0.000000 (best of 100)
before this change:
! wall 0.064742 comb 0.000000 user 0.000000 sys 0.000000 (best of 100)
after this change:
! wall 0.052126 comb 0.000000 user 0.000000 sys 0.000000 (best of 100
'''
Examples of useful python hooks for Mercurial.
'''
from mercurial import patch, util
def diffstat(ui, repo, **kwargs):
'''Example usage:
[hooks]
commit.diffstat = python:/path/to/this/file.py:diffstat
changegroup.diffstat = python:/path/to/this/file.py:diffstat
'''
if kwargs.get('parent2'):
return
node = kwargs['node']
first = repo[node].p1().node()
if 'url' in kwargs:
last = repo['tip'].node()
else:
last = node
diff = patch.diff(repo, first, last)
ui.write(patch.diffstat(util.iterlines(diff)))