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show: use consistent (and possibly shorter) node lengths...
show: use consistent (and possibly shorter) node lengths `hg show` makes heavy use of shortest() to limit the length of the node hash. For the "stack" and "work" views, you are often looking at multiple lines of similar output for "lines" of work. It is visually appeasing for things to vertically align. A naive use of {shortest(node, N)} could result in variable length nodes and for the first character of the description to vary by a column or two. We implement a function to determine the longest shortest prefix for a set of revisions. The new function is used to determine the printed node length for all `hg show` views. .. feature:: show: use consistent node length in views Our previous shortest node length of 5 was arbitrarily chosen. shortest() already does the work of ensuring that a partial node isn't ambiguous with an integer revision, which is our primary risk of a collision for very short nodes. It should be safe to go with the shortest node possible. Existing code is also optimized to handle nodes as short as 4. So, we decrease the minimum hash length from 5 to 4. We also add a test demonstrating that prefix collisions increase the node length. .. feature:: show: decrease minimum displayed hash length from 5 to 4 Differential Revision: https://phab.mercurial-scm.org/D558

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test-walkrepo.py
66 lines | 1.9 KiB | text/x-python | PythonLexer
Pulkit Goyal
py3: make test-walkrepo use print_function
r28676 from __future__ import absolute_import, print_function
Gregory Szorc
tests: use absolute_import in test-walkrepo
r27300
Eric Hopper
test: Add tests for webdir symlinks and walkrepos.
r6341 import os
Gregory Szorc
tests: use absolute_import in test-walkrepo
r27300
from mercurial import (
hg,
scmutil,
Yuya Nishihara
tests: alias ui as uimod in test-walkrepo
r28777 ui as uimod,
Gregory Szorc
tests: use absolute_import in test-walkrepo
r27300 util,
)
chdir = os.chdir
mkdir = os.mkdir
pjoin = os.path.join
walkrepos = scmutil.walkrepos
checklink = util.checklink
Eric Hopper
test: Add tests for webdir symlinks and walkrepos.
r6341
Yuya Nishihara
ui: factor out ui.load() to create a ui without loading configs (API)...
r30559 u = uimod.ui.load()
Matt Mackall
tests: make test-walkrepo use hg's symlink test
r16321 sym = checklink('.')
Eric Hopper
test: Add tests for webdir symlinks and walkrepos.
r6341
hg.repository(u, 'top1', create=1)
mkdir('subdir')
chdir('subdir')
hg.repository(u, 'sub1', create=1)
mkdir('subsubdir')
chdir('subsubdir')
hg.repository(u, 'subsub1', create=1)
chdir(os.path.pardir)
if sym:
os.symlink(os.path.pardir, 'circle')
os.symlink(pjoin('subsubdir', 'subsub1'), 'subsub1')
def runtest():
reposet = frozenset(walkrepos('.', followsym=True))
Patrick Mezard
util: disable walkrepo() recursive behaviour...
r7494 if sym and (len(reposet) != 3):
Pulkit Goyal
py3: make test-walkrepo use print_function
r28676 print("reposet = %r" % (reposet,))
print(("Found %d repositories when I should have found 3"
% (len(reposet),)))
Patrick Mezard
util: disable walkrepo() recursive behaviour...
r7494 if (not sym) and (len(reposet) != 2):
Pulkit Goyal
py3: make test-walkrepo use print_function
r28676 print("reposet = %r" % (reposet,))
print(("Found %d repositories when I should have found 2"
% (len(reposet),)))
Eric Hopper
test: Add tests for webdir symlinks and walkrepos.
r6341 sub1set = frozenset((pjoin('.', 'sub1'),
pjoin('.', 'circle', 'subdir', 'sub1')))
if len(sub1set & reposet) != 1:
Pulkit Goyal
py3: make test-walkrepo use print_function
r28676 print("sub1set = %r" % (sub1set,))
print("reposet = %r" % (reposet,))
print("sub1set and reposet should have exactly one path in common.")
Eric Hopper
test: Add tests for webdir symlinks and walkrepos.
r6341 sub2set = frozenset((pjoin('.', 'subsub1'),
pjoin('.', 'subsubdir', 'subsub1')))
if len(sub2set & reposet) != 1:
Pulkit Goyal
py3: make test-walkrepo use print_function
r28676 print("sub2set = %r" % (sub2set,))
print("reposet = %r" % (reposet,))
print("sub2set and reposet should have exactly one path in common.")
Eric Hopper
test: Add tests for webdir symlinks and walkrepos.
r6341 sub3 = pjoin('.', 'circle', 'top1')
Brodie Rao
cleanup: "not x in y" -> "x not in y"
r16686 if sym and sub3 not in reposet:
Pulkit Goyal
py3: make test-walkrepo use print_function
r28676 print("reposet = %r" % (reposet,))
print("Symbolic links are supported and %s is not in reposet" % (sub3,))
Eric Hopper
test: Add tests for webdir symlinks and walkrepos.
r6341
runtest()
if sym:
# Simulate not having symlinks.
del os.path.samestat
sym = False
runtest()