File:  [NetBSD Developer Wiki] / wikisrc / mailing-lists / tech-repository.mdwn
Revision 1.7: download - view: text, annotated - select for diffs
Wed Jan 20 13:08:15 2010 UTC (4 years, 3 months ago) by wiki
Branches: MAIN
CVS tags: HEAD
web commit by spz

## Requirements

A list of requirements for a possible replacement for CVS as repo software for NetBSD and pkgsrc so we don't keep starting over listing these (and forgetting half) all of the time:

- the license would be nice to be BSDish, must be open source and free to use
- the software should be includeable in NetBSD base without too much excess baggage
- it should be possible to do development on old or small hardware
- it must support automated updating of source trees
- it must support branches
- there should be a conversion for the present history (that actually works)
- the resulting repository must not break easily
- 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.

***

## Experiences in using the software

### Experiences with git

please fill in

### Experiences with Subversion

please fill in

***

## Conversion experiences

### 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.

CVSweb for NetBSD wikisrc <wikimaster@NetBSD.org> software: FreeBSD-CVSweb