Diff for /wikisrc/mailing-lists/tech-repository.mdwn between versions 1.1 and 1.7

version 1.1, 2010/01/15 09:03:10 version 1.7, 2010/01/20 13:08:15
Line 10  A list of requirements for a possible re Line 10  A list of requirements for a possible re
 - there should be a conversion for the present history (that actually works)  - there should be a conversion for the present history (that actually works)
 - the resulting repository must not break easily  - the resulting repository must not break easily
 - the software should be reasonably mature and reliable  - the software should be reasonably mature and reliable
   - checkout of a pkgsrc tree must be feasible on a 32MB system
   - checkout of a stable pkgsrc tree and then updating select package subdirs to the latest version of the main branch should be possible
   - lasting removal of legally tainted code must be possible
   
 Please add/correct.  Please add/correct.
   
 ***  ***
   
   ## Experiences in using the software
   
   ### Experiences with git
   
   please fill in
   
   ### Experiences with Subversion
   
   please fill in
   
   ***
   
 ## Conversion experiences  ## Conversion experiences
   
 to be filled in later  ### git
   
   Conversion of all modules to git succeeded using fromcvs togit. The resulting git repository of src contains several errors where files have a wrong version (eg in hunt/Makefile the contents of the file on the vendor branch appear as tip of the master branch, which is quite wrong).
   There have been no reports of errors in the other modules; this may be due to a lack of testing.
   
   ### hg
   
   Conversion of src failed. Afair the rest worked when using Mercurial 1.3.*. Alas, fromcvs tohg is not compatible with Mercurial 1.4 which is in pkgsrc now and is the version to use with Python 2.6 (afair). Two identified problems:
   <pre>
           self.ui = ui.ui(interactive = False)
   </pre>
   wants to be
   <pre>
           self.ui = ui.ui()
           self.ui.setconfig('ui', 'interactive', 'off')
   </pre>
   in /usr/pkg/share/fromcvs/tohg.py line 10 (easily fixed, obviously)
   and
   <pre>
           n = self.hgrepo.commit(files = files,
                                  text = text,
                                  user = user,
                                  date = "%s 0" % date,
                                  p1 = p1,
                                  p2 = p2,
                                  extra = {'branch': branch})
   </pre>
   needs to be replaces with something that works with the 1.4 commit that looks like this:
   <pre>
       def commit(self, text="", user=None, date=None, match=None, force=False,
                  editor=False, extra={}):
   </pre>
   which is where I remembered that I wasn't planning to learn Python this week.
   
   Next try: hg convert on pkgsrc
   <pre>
   --- /usr/pkg/lib/python2.6/site-packages/hgext/convert/cvsps.py 2009-12-02 01:30:45.000000000 +0000
   +++ /tmp/cvsps.py       2010-01-20 12:52:11.000000000 +0000
   @@ -271,14 +271,14 @@
                    tags[rev].append(match.group(1))
                    branchmap[match.group(1)] = match.group(2)
    
   -            elif re_31.match(line):
   +            elif re_31.match(line) and re_50.match(peek):
                    state = 5
                elif re_32.match(line):
                    state = 0
    
            elif state == 4:
                # expecting '------' separator before first revision
   -            if re_31.match(line):
   +            if re_31.match(line) and re_50.match(peek):
                    state = 5
                else:
                    assert not re_32.match(line), _('must have at least '
   @@ -357,7 +357,7 @@
    
            elif state == 8:
                # store commit log message
   -            if re_31.match(line):
   +            if re_31.match(line) and re_50.match(peek):
                    state = 5
                    store = True
                elif re_32.match(line):
   </pre>
   helps it to cope with the output of cvs rlog -N -r1.66 pkgsrc/databases/rrdtool/Makefile (that's the easy one)
   but then it tries to parse the output of (eg) cvs rlog -N -r1.19 pkgsrc/graphics/dcraw/Makefile and it's not clear
   to me how it could hope to get that one right just from cvs rlog, and all alternatives are going to be rather tedious
   and I'm still not planning to learn Python this week. If you feel more energetic, feel free to hand over patches.

Removed from v.1.1  
changed lines
  Added in v.1.7


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