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git-svn: introduce add_path_to_url function

Remove the ad-hoc versions.

This is mostly to normalize the process and ensure the URLs produced
don't have double slashes or anything.

Also provides a place to fix the corner case where a file path
contains a percent sign.

[ew: commit title]

Signed-off-by: Eric Wong <normalperson@yhbt.net>
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1 parent 8266fc8 commit d2fd119c4fcaea266a894354b506959376140c37 @schwern schwern committed with Eric Wong Jul 28, 2012
Showing with 75 additions and 23 deletions.
  1. +2 −1 git-svn.perl
  2. +15 −18 perl/Git/SVN.pm
  3. +4 −4 perl/Git/SVN/Ra.pm
  4. +27 −0 perl/Git/SVN/Utils.pm
  5. +27 −0 t/Git-SVN/Utils/add_path_to_url.t
View
@@ -35,6 +35,7 @@
canonicalize_path
canonicalize_url
join_paths
+ add_path_to_url
);
use Git qw(
@@ -1436,7 +1437,7 @@ sub cmd_info {
# canonicalize_path() will return "" to make libsvn 1.5.x happy,
$path = "." if $path eq "";
- my $full_url = canonicalize_url( $url . ($fullpath eq "" ? "" : "/$fullpath") );
+ my $full_url = canonicalize_url( add_path_to_url( $url, $fullpath ) );
if ($_url) {
print "$full_url\n";
View
@@ -29,6 +29,7 @@ use Git::SVN::Utils qw(
join_paths
canonicalize_path
canonicalize_url
+ add_path_to_url
);
my $can_use_yaml;
@@ -564,8 +565,7 @@ sub _set_svm_vars {
# username is of no interest
$src =~ s{(^[a-z\+]*://)[^/@]*@}{$1};
- my $replace = $ra->url;
- $replace .= "/$path" if length $path;
+ my $replace = add_path_to_url($ra->url, $path);
my $section = "svn-remote.$self->{repo_id}";
tmp_config("$section.svm-source", $src);
@@ -582,7 +582,7 @@ sub _set_svm_vars {
my $path = $self->path;
my %tried;
while (length $path) {
- my $try = $self->url . "/$path";
+ my $try = add_path_to_url($self->url, $path);
unless ($tried{$try}) {
return $ra if $self->read_svm_props($ra, $path, $r);
$tried{$try} = 1;
@@ -591,7 +591,7 @@ sub _set_svm_vars {
}
die "Path: '$path' should be ''\n" if $path ne '';
return $ra if $self->read_svm_props($ra, $path, $r);
- $tried{$self->url."/$path"} = 1;
+ $tried{ add_path_to_url($self->url, $path) } = 1;
if ($ra->{repos_root} eq $self->url) {
die @err, (map { " $_\n" } keys %tried), "\n";
@@ -603,7 +603,7 @@ sub _set_svm_vars {
$path = $ra->{svn_path};
$ra = Git::SVN::Ra->new($ra->{repos_root});
while (length $path) {
- my $try = $ra->url ."/$path";
+ my $try = add_path_to_url($ra->url, $path);
unless ($tried{$try}) {
$ok = $self->read_svm_props($ra, $path, $r);
last if $ok;
@@ -613,7 +613,7 @@ sub _set_svm_vars {
}
die "Path: '$path' should be ''\n" if $path ne '';
$ok ||= $self->read_svm_props($ra, $path, $r);
- $tried{$ra->url ."/$path"} = 1;
+ $tried{ add_path_to_url($ra->url, $path) } = 1;
if (!$ok) {
die @err, (map { " $_\n" } keys %tried), "\n";
}
@@ -933,20 +933,19 @@ sub rewrite_uuid {
sub metadata_url {
my ($self) = @_;
- ($self->rewrite_root || $self->url) .
- (length $self->path ? '/' . $self->path : '');
+ my $url = $self->rewrite_root || $self->url;
+ return add_path_to_url( $url, $self->path );
}
sub full_url {
my ($self) = @_;
- $self->url . (length $self->path ? '/' . $self->path : '');
+ return add_path_to_url( $self->url, $self->path );
}
sub full_pushurl {
my ($self) = @_;
if ($self->{pushurl}) {
- return $self->{pushurl} . (length $self->path ? '/' .
- $self->path : '');
+ return add_path_to_url( $self->{pushurl}, $self->path );
} else {
return $self->full_url;
}
@@ -1114,7 +1113,7 @@ sub find_parent_branch {
my $r = $i->{copyfrom_rev};
my $repos_root = $self->ra->{repos_root};
my $url = $self->ra->url;
- my $new_url = $url . $branch_from;
+ my $new_url = add_path_to_url( $url, $branch_from );
print STDERR "Found possible branch point: ",
"$new_url => ", $self->full_url, ", $r\n"
unless $::_q > 1;
@@ -1443,12 +1442,11 @@ sub find_extra_svk_parents {
for my $ticket ( @tickets ) {
my ($uuid, $path, $rev) = split /:/, $ticket;
if ( $uuid eq $self->ra_uuid ) {
- my $url = $self->url;
- my $repos_root = $url;
+ my $repos_root = $self->url;
my $branch_from = $path;
$branch_from =~ s{^/}{};
- my $gs = $self->other_gs($repos_root."/".$branch_from,
- $url,
+ my $gs = $self->other_gs(add_path_to_url( $repos_root, $branch_from ),
+ $repos_root,
$branch_from,
$rev,
$self->{ref_id});
@@ -1871,8 +1869,7 @@ sub make_log_entry {
$email ||= "$author\@$uuid";
$commit_email ||= "$author\@$uuid";
} elsif ($self->use_svnsync_props) {
- my $full_url = $self->svnsync->{url};
- $full_url .= "/".$self->path if length $self->path;
+ my $full_url = add_path_to_url( $self->svnsync->{url}, $self->path );
remove_username($full_url);
my $uuid = $self->svnsync->{uuid};
$log_entry{metadata} = "$full_url\@$rev $uuid";
View
@@ -5,6 +5,7 @@ use warnings;
use SVN::Client;
use Git::SVN::Utils qw(
canonicalize_url
+ add_path_to_url
);
use SVN::Ra;
@@ -287,9 +288,8 @@ sub gs_do_switch {
my $path = $gs->path;
my $pool = SVN::Pool->new;
- my $full_url = $self->url;
- my $old_url = $full_url;
- $full_url .= '/' . $path if length $path;
+ my $old_url = $self->url;
+ my $full_url = add_path_to_url( $self->url, $path );
my ($ra, $reparented);
if ($old_url =~ m#^svn(\+ssh)?://# ||
@@ -555,7 +555,7 @@ sub minimize_url {
my @components = split(m!/!, $self->{svn_path});
my $c = '';
do {
- $url .= "/$c" if length $c;
+ $url = add_path_to_url($url, $c);
eval {
my $ra = (ref $self)->new($url);
my $latest = $ra->get_latest_revnum;
View
@@ -13,6 +13,7 @@ our @EXPORT_OK = qw(
canonicalize_path
canonicalize_url
join_paths
+ add_path_to_url
);
@@ -203,4 +204,30 @@ sub join_paths {
return $new_path .= "/$last_path";
}
+
+=head3 add_path_to_url
+
+ my $new_url = add_path_to_url($url, $path);
+
+Appends $path onto the $url. If $path is empty, $url is returned unchanged.
+
+=cut
+
+sub add_path_to_url {
+ my($url, $path) = @_;
+
+ return $url if !defined $path or !length $path;
+
+ # Strip trailing and leading slashes so we don't
+ # wind up with http://x.com///path
+ $url =~ s{/+$}{};
+ $path =~ s{^/+}{};
+
+ # If a path has a % in it, URI escape it so it's not
+ # mistaken for a URI escape later.
+ $path =~ s{%}{%25}g;
+
+ return join '/', $url, $path;
+}
+
1;
@@ -0,0 +1,27 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+
+use Test::More 'no_plan';
+
+use Git::SVN::Utils qw(
+ add_path_to_url
+);
+
+# A reference cannot be a hash key, so we use an array.
+my @tests = (
+ ["http://x.com", "bar"] => 'http://x.com/bar',
+ ["http://x.com", ""] => 'http://x.com',
+ ["http://x.com/foo/", undef] => 'http://x.com/foo/',
+ ["http://x.com/foo/", "/bar/baz/"] => 'http://x.com/foo/bar/baz/',
+ ["http://x.com", 'per%cent'] => 'http://x.com/per%25cent',
+);
+
+while(@tests) {
+ my($have, $want) = splice @tests, 0, 2;
+
+ my $args = join ", ", map { qq['$_'] } map { defined($_) ? $_ : 'undef' } @$have;
+ my $name = "add_path_to_url($args) eq $want";
+ is add_path_to_url(@$have), $want, $name;
+}

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