gnulib-tool: support for hierarchies of modules

[Bruno Haible]

This patch adds support for subdirectories of the 'modules/' directory.


2007-01-08  Bruno Haible  <address@hidden>

        * gnulib-tool (func_all_modules): Use find, not ls, to traverse the
        modules directory. Filter out CVS, ChangeLog, COPYING, README also from
        subdirectories.

*** gnulib-20070108/gnulib-tool 2007-01-09 00:14:32.000000000 +0100
--- gnulib-20070108-unistring/gnulib-tool       2007-01-09 00:52:15.000000000 
+0100
***************
*** 814,825 ****
    # Filter out unit test modules; they can be retrieved through
    # --extract-tests-module if desired.
    {
!     (cd "$gnulib_dir/modules" && ls -1)
      if test -n "$local_gnulib_dir" && test -d "$local_gnulib_dir/modules"; 
then
!       (cd "$local_gnulib_dir/modules" && ls -1 | sed -e 's,\.diff$,,')
      fi
    } \
!       | sed -e '/^CVS$/d' -e '/^ChangeLog$/d' -e '/^COPYING$/d' -e 
'/^README$/d' -e '/^TEMPLATE$/d' -e '/^TEMPLATE-TESTS$/d' -e '/~$/d' \
        | sed -e '/-tests$/d' \
        | LC_ALL=C sort -u
  }
--- 814,831 ----
    # Filter out unit test modules; they can be retrieved through
    # --extract-tests-module if desired.
    {
!     (cd "$gnulib_dir" && find modules -type f -print | sed -e 's,^modules/,,')
      if test -n "$local_gnulib_dir" && test -d "$local_gnulib_dir/modules"; 
then
!       (cd "$local_gnulib_dir" && find modules -type f -print | sed -e 
's,^modules/,,' -e 's,\.diff$,,')
      fi
    } \
!       | sed -e '/^CVS$/d' -e '/[/]CVS$/d' \
!             -e '/^ChangeLog$/d' -e '/[/]ChangeLog$/d' \
!             -e '/^COPYING$/d' -e '/[/]COPYING$/d' \
!             -e '/^README$/d' -e '/[/]README$/d' \
!             -e '/^TEMPLATE$/d' \
!             -e '/^TEMPLATE-TESTS$/d' \
!             -e '/~$/d' \
        | sed -e '/-tests$/d' \
        | LC_ALL=C sort -u
  }