X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/79312b2754571ac80253993217da2b0899086342..460b1a0debf85f7c54c1dd7d8b8e483587041d44:/doc/plugins/contrib/cvs.mdwn?ds=inline diff --git a/doc/plugins/contrib/cvs.mdwn b/doc/plugins/contrib/cvs.mdwn index fc5afebfd..d45992300 100644 --- a/doc/plugins/contrib/cvs.mdwn +++ b/doc/plugins/contrib/cvs.mdwn @@ -1,21 +1,16 @@ [[!template id=plugin name=cvs core=0 author="[[schmonz]]"]] +[[!template id=gitbranch branch=schmonz author="[[schmonz]]"]] + This plugin allows ikiwiki to use [[!wikipedia desc="CVS" Concurrent Versions System]] as an [[rcs]]. -* Diffs are against [[3.14159|news/version_3.14159]]. `cvs.pm` started life as a copy of `svn.pm`. -* `IkiWiki.pm:wiki_file_prune_regexps` avoids copying CVS metadata into `$DESTDIR`. -* [[ikiwiki-makerepo]]: - * creates a repository, - * imports `$SRCDIR` into top-level module `ikiwiki` (vendor tag IKIWIKI, release tag PRE_CVS), - * creates a small post-commit wrapper to prevent `cvs add ` from being seen by ikiwiki's [[post-commit]] hook, - * configures the wrapper itself as a post-commit hook in `CVSROOT/loginfo`. -* [`cvsps`](http://www.cobite.com/cvsps/) is required (`rcs_recentchanges()` and `rcs_diff()` need it to work). -* [[!cpan IPC::Cmd]] and [[!cpan String::ShellQuote]] are required (to safely keep `cvs` quiet and to safely escape commit messages, respectively). -* CVS multi-directory commits happen separately; the post-commit hook sees only the first directory's changes in time for [[recentchanges|plugins/recentchanges]]. The next run of `ikiwiki --setup` will correctly re-render such a recentchanges entry. It might be possible to solve this problem with scripts like `commit_prep` and `log_accum` from CVS contrib. -* Due to the name of CVS's metadata directories, it's impossible to create `.../CVS/foo.mdwn`. On case-insensitive filesystems it's also impossible to create `.../cvs/foo.mdwn`. Since the failure can have confusing effects on one's CVS checkout, perhaps the web interface should prevent the attempt. -* No testing or special-casing has been done with [[attachments|plugins/attachment]], but they'll probably need `cvs add -kb`. +### Usage +7. Install [[!cpan File::chdir]], [[!cpan File::ReadBackwards]], +[cvsps](http://www.cobite.com/cvsps/), and +[cvsweb](http://www.freebsd.org/projects/cvsweb.html) or the like. +7. Adjust CVS-related parameters in your setup file. -Having a `$HOME/.cvsrc` isn't necessary. Sure does make using CVS more livable, though. Here's a good general-purpose one: +Consider creating `$HOME/.cvsrc` if you don't have one already; the plugin doesn't need it, but you yourself might. Here's a good general-purpose one: cvs -q checkout -P @@ -23,10 +18,19 @@ Having a `$HOME/.cvsrc` isn't necessary. Sure does make using CVS more livable, diff -u rdiff -u -Not knowing how the tests get set up, I blindly attempted to add subversion-like tests to `t/file_pruned.t`. They fail. But the plugin definitely works. :-) +### Implementation details +* `cvs.pm` started life as a copy of [[3.14159|news/version_3.14159]]'s `svn.pm`. +* `IkiWiki.pm:wiki_file_prune_regexps` avoids copying CVS metadata +into `$DESTDIR`. +* `IkiWiki/Wrapper.pm` provides a new "wrapperargcheck" hook, which +the plugin implements to avoid calling ikiwiki from post-commit +(and locking against itself) if it's a directory being `cvs add`ed. +* [[ikiwiki-makerepo]]: + * creates a repository, + * imports `$SRCDIR` into top-level module `ikiwiki` (vendor tag IKIWIKI, release tag PRE_CVS), + * configures the post-commit hook in `CVSROOT/loginfo`. +* CVS multi-directory commits happen separately; the post-commit hook sees only the first directory's changes in time for [[recentchanges|plugins/recentchanges]]. The next run of `ikiwiki --setup` will correctly re-render such a recentchanges entry. It should be possible to solve this problem with NetBSD's `commit_prep` and `log_accum` scripts (see below). -### Code -* [`cvs.pm`](http://www.netbsd.org/~schmonz/ikiwiki-cvs/cvs.pm) -* [`cvs-IkiWiki.pm.diff`](http://www.netbsd.org/~schmonz/ikiwiki-cvs/cvs-IkiWiki.pm.diff) -* [`cvs-ikiwiki-makerepo.diff`](http://www.netbsd.org/~schmonz/ikiwiki-cvs/cvs-ikiwiki-makerepo.diff) -* [`cvs-t-file_pruned.t.diff`](http://www.netbsd.org/~schmonz/ikiwiki-cvs/cvs-t-file_pruned.t.diff) +### To do +* Instead of resource-intensively scraping changesets with `cvsps`, have `ikiwiki-makerepo` set up NetBSD-like `log_accum` and `commit_prep` scripts that coalesce and keep records of commits. `cvsps` can be used as a fallback for repositories without such records. +* Perhaps prevent web edits from attempting to create `.../CVS/foo.mdwn` (and `.../cvs/foo.mdwn` on case-insensitive filesystems); thanks to the CVS metadata directory, the attempt will fail anyway (and much more confusingly) if we don't.