Re: [PATCH] git-svn: add --ignore-paths option for fetching
- From
- Eric Wong <normalperson@yhbt.net>
- Date
- Jan 25, 2009, 22:42 UTC
- Message-ID
- <20090125224238.GA31581@untitled>
- In-Reply-To
- <200901251521.15591.trast@student.ethz.ch>
Thomas Rast <trast@student.ethz.ch> wrote:
Show 41 quoted lines
> Vitaly "_Vi" Shukela wrote:
> >
> > Signed-off-by: Vitaly "_Vi" Shukela <public_vi@tut.by>
>
> This would be a good place to explain why this is useful, and (if
> applicable) why you chose to implement it the way you did.
>
> > --- a/Documentation/git-svn.txt
> > +++ b/Documentation/git-svn.txt
> > @@ -96,6 +96,10 @@ COMMANDS
> > Store Git commit times in the local timezone instead of UTC. This
> > makes 'git-log' (even without --date=local) show the same times
> > that `svn log` would in the local timezone.
> > +--ignore-paths=<regex>;;
> > + This allows one to specify regular expression that will
> > + cause skipping of all matching paths from checkout from SVN.
> > + Example: --ignore-paths='^doc'
> >
> > This doesn't interfere with interoperating with the Subversion
> > repository you cloned from, but if you wish for your local Git
>
> You put the --ignore-paths explanation in the middle of the
> --localtime documentation (the last paragraph quoted still talks about
> --localtime).
>
> > @@ -3245,6 +3246,15 @@ use warnings;
> > use Carp qw/croak/;
> > use File::Temp qw/tempfile/;
> > use IO::File qw//;
> > +use vars qw/ $ignoreRegex/;
> > +
> > +# 0 -- don't ignore, 1 -- ignore
> > +sub isPathIgnored($) {
> > + return 0 unless defined($ignoreRegex);
> > + my $path = shift;
> > + return 1 if $path =~ m!^$ignoreRegex!o;
> > + return 0;
> > +}
>
> This is the first function in git-svn.perl using camelCase. Consider
> sticking to the current style and spelling it is_path_ignored().Also, indentation is always done with tabs in git-svn (and the vast majority of git as well).
Show 21 quoted lines
> > @@ -3372,11 +3384,14 @@ sub add_file {
> > my ($self, $path, $pb, $cp_path, $cp_rev) = @_;
> > my $mode;
> >
> > + goto out if isPathIgnored($path);
> > +
> > if (!in_dot_git($path)) {
> > my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
> > delete $self->{empty}->{$dir};
> > $mode = '100644';
> > }
> > +out:
> > { path => $path, mode_a => $mode, mode_b => $mode,
> > pool => SVN::Pool->new, action => 'A' };
> > }
>
> You broke the symmetry here, while all other hunks just add an
> equivalent check to the existing in_dot_git().
>
> However, the latter makes me wonder if it would be cleaner to move the
> in_dot_git() test to isPathIgnored (er, is_path_ignored) too?Thanks for the review, Thomas. I agree with all your suggestions.
Vitaly: thank you for the patch. Can you also provide a testcase to ensure this functionality doesn't break during refactorings? Thanks.
-- Eric Wong