Unsupported version control system "hg"

[Mr.troll <troll@…>]

I use: Trac 0.12.3dev-r10552, Python 2.7 Apache/2.2.17 Fedora 14 hg 2.2.2

After i upgraded hg to version 2.2.2 via

easy_install -U mercurial

trac-mercurial plugin crash. Then i setup latest svn plugin version from ​http://svn.edgewall.com/repos/trac/plugins/0.12/mercurial-plugin

So, Now i have a warning Can't synchronize with repository "(default)" Unsupported version control system "hg" Check that the Python support libraries for hg are correctly installed."

i tried to downgrade version to

easy_install -U mercurial==2.0

or even 1.7 (with apache restart) nothing happened.

[Christian Boos]

What's in the trac.log? (at DEBUG level)

[Mr.troll <troll@…>]

trac.log

[Christian Boos]

See attachment/ticket/10724/trac.log, you have a conflict marker in the file.

Hope it's not in our source tree… no, must be an InstallationIssue.

Note that if you're using a recent version of Mercurial (in your case 2.2.2), you'll get some trouble with the file log view (#10719). This will hopefully get fixed soon.

[Mr.troll <troll@…>]

Will the reinstalling trac fix this problem?

[Christian Boos]

Not Trac, but the TracMercurial plugin. If you install it from the Subversion checkout as you did, make sure you don't have pending changes or conflicts. Doing a svn diff > my_stuff.diff; svn revert -R . should do the trick for making sure you have a clean version.

[Mr.troll <troll@…>]

Really thanks Christian, it helps me. I am a noob in python (and in svn, thats why i use TracMercurial plugin =) ), somehow there was my early changes on backend.py, based on solution on bug #7217, but charset now working fine without it. So my bug is fully resolved.

Here is the my_stuff.diff

my_stuff.diff      [----]  0 L:[  1+ 0   1/ 21] *(0   / 586b) 0073 0x049
Index: tracext/hg/backend.py
===================================================================
--- tracext/hg/backend.py<----->(revision 11051)
+++ tracext/hg/backend.py<----->(working copy)
@@ -91,9 +91,15 @@
         from mercurial.error import RepoError, LookupError as HgLookupError
.
     # Force local encoding to be non-lossy (#7217)
+<<<<<<< .mine
+    os.environ['HGENCODING'] = 'utf-8'.
+    encoding.tolocal = str.
+............
+=======
     os.environ['HGENCODING'] = 'utf-8'
     encoding.tolocal = str
.....
+>>>>>>> .r11051
     if demandimport:
         demandimport.disable()
.