_known_hosts_real: exclude Host negations

Author: scop

bash_completion

@@ -1752,7 +1752,7 @@ _known_hosts_real()
         local -a hosts=($(command sed -ne 's/^[[:blank:]]*[Hh][Oo][Ss][Tt][[:blank:]]\(.*\)$/\1/p' "${config[@]}"))
         if ((${#hosts[@]} != 0)); then
             COMPREPLY+=($(compgen -P "$prefix" \
-                -S "$suffix" -W '${hosts[@]%%[*?%]*}' -- "$cur"))
+                -S "$suffix" -W '${hosts[@]%%[*?%]*}' -X '\!*' -- "$cur"))
         fi
     fi
 

test/fixtures/_known_hosts_real/config

@@ -4,4 +4,4 @@
 Host gee* jar?this-part-we-do-not-complete-at-least-yet
      HostName %h.example.com
 	# Indented
-    Host hus%%eth0  #not-a-comment
+    Host hus%%eth0 !negated  #not-a-comment