chsh: Use _allowed_users instead of plain compgen -u.

CHANGES

@@ -2,8 +2,8 @@ bash-completion (2.x)
 
   [ Ville Skyttä ]
   * Add pxz and reptyr completions.
-  * Improve aspell, gendiff, pack200, rsync, screen, smartctl, tar, unpack200,
-    xz, xzdec, and generic parsed and long option completions.
+  * Improve aspell, chsh, gendiff, pack200, rsync, screen, smartctl, tar,
+    unpack200, xz, xzdec, and generic parsed and long option completions.
   * Try harder to find the correct perl executable to run the perl helper with.
   * Drop rpm query support for rpm < 4.1.
   * Split rpm and rpmbuild completions and improve them both.

completions/chsh

@@ -21,7 +21,7 @@ _chsh()
         COMPREPLY=( $( compgen -W '--shell --list-shells --help --version' \
             -- "$cur" ) )
     else
-        COMPREPLY=( $( compgen -u -- "$cur" ) )
+        _allowed_users
     fi
 
     return 0

test/lib/completions/chsh.exp

@@ -17,7 +17,7 @@ assert_complete_any "chsh -s "
 sync_after_int
 
 
-assert_complete [exec bash -c "compgen -A user"] "chsh "
+assert_complete_any "chsh "
 
 
 sync_after_int