Fix the i18n cut optimization restriction (we need UTF8 to grant uniqueness of characters and using strchr() approach), unset the unnecessary envvars after colorls scripts(#1051703)

coreutils-colorls.csh

@@ -51,6 +51,8 @@ if ( "$color_none" != '' ) then
 endif
 unset color_none
 unset _tmp
+unset INCLUDE
+unset COLORS
 
 finish:
 alias ll 'ls -l --color=auto'

coreutils-colorls.sh

@@ -45,6 +45,8 @@ if [ -z "$USER_LS_COLORS" ]; then
   grep -qi "^COLOR.*none" $COLORS >/dev/null 2>/dev/null && return
 fi
 
+unset TMP COLORS INCLUDE
+
 alias ll='ls -l --color=auto' 2>/dev/null
 alias l.='ls -d .* --color=auto' 2>/dev/null
 alias ls='ls --color=auto' 2>/dev/null

coreutils-i18n.patch

@@ -258,7 +258,7 @@ diff -urNp coreutils-8.22-orig/src/cut.c coreutils-8.22/src/cut.c
  /* Read from stream STREAM, printing to standard output any selected fields.  */
  
  static void
-@@ -629,13 +786,207 @@ cut_fields (FILE *stream)
+@@ -629,13 +786,211 @@ cut_fields (FILE *stream)
      }
  }
  
@@ -443,8 +443,12 @@ diff -urNp coreutils-8.22-orig/src/cut.c coreutils-8.22/src/cut.c
 +        case field_mode:
 +          if (delimlen == 1)
 +            {
++              /* Check if we have utf8 multibyte locale, so we can use this
++                 optimization because of uniqueness of characters, which is
++                 not true for e.g. SJIS */
 +              char * loc = setlocale(LC_CTYPE, NULL);
-+              if (loc && (strstr (loc, "UTF-8") || strstr (loc, "utf-8")))
++              if (loc && (strstr (loc, "UTF-8") || strstr (loc, "utf-8") ||
++                  strstr (loc, "UTF8") || strstr (loc, "utf8")))
 +                {
 +                  cut_fields (stream);
 +                  break;

coreutils.spec

@@ -1,7 +1,7 @@
 Summary: A set of basic GNU tools commonly used in shell scripts
 Name:    coreutils
 Version: 8.22
-Release: 9%{?dist}
+Release: 10%{?dist}
 License: GPLv3+
 Group:   System Environment/Base
 Url:     http://www.gnu.org/software/coreutils/
@@ -372,6 +372,10 @@ fi
 %{_sbindir}/chroot
 
 %changelog
+* Mon Jan 13 2014 Ondrej Vasik <ovasik@redhat.com> 8.22-10
+- unset the unnecessary envvars after colorls scripts(#1051703)
+- improve the limitation (check for both utf8 and utf-8)
+
 * Fri Jan 10 2014 Ondrej Oprala <ooprala@redhat.com> 8.22-9
 - Limit the cut optimizations to UTF-8 locales only