Use _split_longopt() in rsync.

completions/rsync

@@ -5,12 +5,13 @@ have rsync || return
 _rsync()
 {
     local cur prev words cword
-    _init_completion -n : || return
-
-    # TODO: _split_longopt
+    _init_completion -n := || return
 
     _expand || return 0
 
+    local split=false
+    _split_longopt && split=true
+
     case $prev in
         --config|--password-file|--include-from|--exclude-from|--files-from|\
         --log-file|--write-batch|--only-write-batch|--read-batch)
@@ -36,6 +37,8 @@ _rsync()
             ;;
     esac
 
+    $split && return 0
+
     case $cur in
         -*)
             COMPREPLY=( $( compgen -W '--verbose --quiet --no-motd --checksum \

test/lib/completions/rsync.exp

@@ -12,8 +12,14 @@ setup
 
 
 assert_complete_any "rsync "
+sync_after_int
 
 
+assert_complete "rsh ssh" "rsync --rsh "
+sync_after_int
+
+
+assert_complete "rsh ssh" "rsync --rsh="
 sync_after_int