* Locale patch from Faidon:

[ikiwiki.git] / IkiWiki / Rcs / svn.pm

diff --git a/IkiWiki/Rcs/svn.pm b/IkiWiki/Rcs/svn.pm
index b5f5fb445832d65e4115831fc885823ceb687a5d..f01735afe74c86d5c3279ec0bb1ea1beaa83152e 100644 (file)
--- a/IkiWiki/Rcs/svn.pm
+++ b/IkiWiki/Rcs/svn.pm
@@ -4,11 +4,33 @@
 use warnings;
 use strict;
 use IkiWiki;
+use POSIX qw(setlocale LC_CTYPE);
 
 package IkiWiki;
                
 my $svn_webcommit=qr/^web commit (by (\w+)|from (\d+\.\d+\.\d+\.\d+)):?(.*)/;
 
+# svn needs LC_CTYPE set to a UTF-8 locale, so try to find one. Any will do.
+sub find_lc_ctype() {
+       my $current = setlocale(LC_CTYPE());
+       return $current if $current =~ m/UTF-?8$/i;
+
+       # Make some obvious attempts to avoid calling `locale -a`
+       foreach my $locale ("$current.UTF-8", "en_US.UTF-8", "en_GB.UTF-8") {
+               return $locale if setlocale(LC_CTYPE(), $locale);
+       }
+
+       # Try to get all available locales and pick the first UTF-8 one found.
+       if (my @locale = grep(/UTF-?8$/i, `locale -a`)) {
+               chomp @locale;
+               return $locale[0] if setlocale(LC_CTYPE(), $locale[0]);
+       }
+
+       # fallback to the current locale
+       return $current;
+} # }}}
+$ENV{LC_CTYPE} = $ENV{LC_CTYPE} || find_lc_ctype();
+
 sub svn_info ($$) { #{{{
        my $field=shift;
        my $file=shift;