Redmine

Another problem with exploring branches using hg 4.7.
It can be solved by modifying _changectx of redmine/scm/adapters/mercurial/redminehelper.py:

def _changectx(repo, rev):
    if hasattr(repo, 'branchtip') and rev in repo.branchmap(): # mercurial 4.7 doesn't select on branch name
        rev = repo.branchtip(rev)
    if hasattr(repo, 'changectx'):
        return repo.changectx(rev)
    else:
        return repo[rev]

Maybe clever:

def _changectx(repo, rev):
    if isinstance(rev, str):
        rev = repo.lookup(rev)
    if hasattr(repo, 'changectx'):
        return repo.changectx(rev)
    else:
        return repo[rev]

Frédéric Fondement, thank you for reporting the issue and submitting the workaround. Do you know it also work with Mercurial < 4.7?

Good point !
The change I proposed fails with 4.0.

Here is the new version sucessfully tested with hg 4.7, 4.6, 4.5, 4.4, 4.1, 4.0, 3.9, 3.5, 2.6.2 (the older I can easily access - using pip):

import re, time, cgi, urllib
from mercurial import cmdutil, commands, node, error, hg, registrar

cmdtable = {}
command = registrar.command(cmdtable) if hasattr(registrar, 'command') else cmdutil.command(cmdtable)

def _changectx(repo, rev):
    if isinstance(rev, str):
        rev = repo.lookup(rev)
    if hasattr(repo, 'changectx'):
        return repo.changectx(rev)
    else:
        return repo[rev]

LGTM. The test suite passed with both Mercurial 2.6.2 and 4.7.