test suite: Tolerate "See 'man feh'" feh --help output

Author: scop

completions/feh

@@ -100,6 +100,7 @@ _feh()
     $split && return
 
     if [[ "$cur" == -* ]]; then
+        # Some versions of feh just output "See 'man feh'" for --help :(
         COMPREPLY=( $( compgen -W '$( _parse_help "$1" --help )' -- "$cur" ) )
         [[ $COMPREPLY == *= ]] && compopt -o nospace
         [[ $COMPREPLY ]] && return

test/lib/completions/feh.exp

@@ -17,8 +17,10 @@ assert_complete_any "feh "
 sync_after_int
 
 
-set test "--lis<TAB> should complete \"--list\""
-assert_complete "--list" "feh --lis" $test
+if {[assert_exec {feh --help | grep "man feh" || exit 1} "" "" "unsupported"]} {
+    set test "--lis<TAB> should complete \"--list\""
+    assert_complete "--list" "feh --lis" $test
+}
 
 
 sync_after_int