Re: [PATCH v4] git-svn: add support for prefixed globs in config

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Junio C Hamano <gitster@xxxxxxxxx> wrote:
> Victor Leschuk <vleschuk@xxxxxxxxx> writes:
> > +	branches = branches/release_*:refs/remotes/project-a/branches/release_*
> 
> Hmph, if you are going this route, I wonder if there is a reason to
> limit yourself only to "prefix".  Would allowing something like this:
> 
> 	branches = branches/pre*post:refs/remotes/project-a/branches/*
> 
> i.e., loosening the rule to allow at most one asterisk anywhere on
> the left hand side of the colon, and require the same number of
> asterisks as the left hand side has on the right hand side of the
> colon, be too lax and hurt the users?

Seems doable.  Not sure about the consequences, yet...

I also think the $1 truthiness check was unnecessary and even
problematic if we need to encounter a "0" as a path component.
And using the path component will need to be quoted as we do below
with the brace case (showing with diff -U6)

Perhaps this? (untested)

diff --git a/perl/Git/SVN/GlobSpec.pm b/perl/Git/SVN/GlobSpec.pm
index a136090..7961a78 100644
--- a/perl/Git/SVN/GlobSpec.pm
+++ b/perl/Git/SVN/GlobSpec.pm
@@ -12,16 +12,17 @@ sub new {
 				"(e.g. '*' or '*/*/*') is supported: '$glob'\n";
 	for my $part (split(m|/|, $glob)) {
 		if ($pattern_ok && $part =~ /[{}]/ &&
 			 $part !~ /^\{[^{}]+\}/) {
 			die "Invalid pattern in '$glob': $part\n";
 		}
-		if ($part =~ /(\w*)\*/) {
+		if ($part =~ /(\w*)\*(\w*)/) {
+			my ($l, $r) = ($1, $2);
 			die $die_msg if $state eq "right";
 			$state = "pattern";
-			my $pat = $1 ? "${1}[^/]+" : "[^/]*";
+			my $pat = quotemeta($l) . '[^/]*'. quotemeta($r);
 			push(@patterns, $pat);
 		} elsif ($pattern_ok && $part =~ /^\{(.*)\}$/) {
 			die $die_msg if $state eq "right";
 			$state = "pattern";
 			my $p = quotemeta($1);
 			$p =~ s/\\,/|/g;
-- 
EW
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