difftool: make --gui, --tool and --extcmd mutually exclusive

diff --git a/git-rebase.sh b/git-rebase.sh
index 797344764510e0a2b09bf91af08c528411a9025b..45b6ee9c0ec14e924a5864fa31d93f0ca65b32d0 100755 (executable)
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -553,15 +553,15 @@ then
        # Note: incompatibility with --interactive is just a strong warning;
        #       git-rebase.txt caveats with "unless you know what you are doing"
        test -n "$rebase_merges" &&
-               die "$(gettext "error: cannot combine '--preserve_merges' with '--rebase-merges'")"
+               die "$(gettext "error: cannot combine '--preserve-merges' with '--rebase-merges'")"
 fi
 
 if test -n "$rebase_merges"
 then
        test -n "$strategy_opts" &&
-               die "$(gettext "error: cannot combine '--rebase_merges' with '--strategy-option'")"
+               die "$(gettext "error: cannot combine '--rebase-merges' with '--strategy-option'")"
        test -n "$strategy" &&
-               die "$(gettext "error: cannot combine '--rebase_merges' with '--strategy'")"
+               die "$(gettext "error: cannot combine '--rebase-merges' with '--strategy'")"
 fi
 
 if test -z "$rebase_root"