http://bz.selenic.com/show_bug.cgi?id=3710
Priority: normal
Bug ID: 3710
CC: mercurial-devel at selenic.com
Assignee: bugzilla at selenic.com
Summary: Cannot update to a branch with ':' in the name
Severity: bug
Classification: Unclassified
OS: All
Reporter: tim.henigan at gmail.com
Hardware: All
Status: UNCONFIRMED
Version: 2.4
Component: Mercurial
Product: Mercurial
The organization I work for has a multi-year history with many repos that
include ":" in branch names. While this violated naming conventions, there was
nothing in the actual command logic that prevented their use (until recently).
Starting with 361ab1e2086f, it is no longer possible to update a working copy
to a branch that includes a ":" in the name. I have not been able to find any
work-arounds using revsets or revision numbers. Furthermore, in repos with
"bad" branches, I can no longer even update to the 'default' branch.
I saw in earlier discussions [1], the plan to abort if the user tries to create
a new branch with a "bad" character. From that thread, I thought the plan was
to continue to allow users to update to existing branches with bad names (to
maintain backwards compatibility).
Starting with v2.4, this no longer seems possible. I started looking into the
code (specifically, the setbranch function in dirstate.py), but I am not sure
how best to proceed.
Here is a stack trace from Mercurial v2.4 showing the error:
C:\project>hg version
Mercurial Distributed SCM (version 2.4+6-35ba170c0f82)
C:\project>hg up default -C --traceback
Traceback (most recent call last):
File "mercurial\dispatch.pyo", line 88, in _runcatch
File "mercurial\dispatch.pyo", line 741, in _dispatch
File "mercurial\dispatch.pyo", line 514, in runcommand
File "mercurial\extensions.pyo", line 189, in wrap
File "hgext\color.pyo", line 371, in colorcmd
File "mercurial\dispatch.pyo", line 831, in _runcommand
File "mercurial\dispatch.pyo", line 802, in checkargs
File "mercurial\dispatch.pyo", line 738, in <lambda>
File "mercurial\util.pyo", line 472, in check
File "mercurial\extensions.pyo", line 144, in wrap
File "mercurial\util.pyo", line 472, in check
File "hgext\mq.pyo", line 3546, in mqcommand
File "mercurial\util.pyo", line 472, in check
File "mercurial\commands.pyo", line 5914, in update
File "mercurial\hg.pyo", line 483, in clean
File "mercurial\hg.pyo", line 468, in updaterepo
File "mercurial\merge.pyo", line 632, in update
File "mercurial\merge.pyo", line 416, in applyupdates
File "mercurial\subrepo.pyo", line 144, in submerge
File "mercurial\subrepo.pyo", line 526, in get
File "mercurial\hg.pyo", line 468, in updaterepo
File "mercurial\merge.pyo", line 638, in update
File "mercurial\dirstate.pyo", line 264, in setbranch
File "mercurial\scmutil.pyo", line 35, in checknewlabel
Abort: ':' cannot be used in a name
abort: ':' cannot be used in a name
[1]:
http://thread.gmane.org/gmane.comp.version-control.mercurial.devel/45915/focus=45916
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