difftool: don't assume that default sh is sane

diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt
index 47c8dcca9d16031ff531118ebf4b8b6fe575e7ce..deb8cca9173ccbaf8c15ade3f8b3312fb6bdcbad 100644 (file)
--- a/Documentation/rev-list-options.txt
+++ b/Documentation/rev-list-options.txt
@@ -257,6 +257,14 @@ See also linkgit:git-reflog[1].
        Output excluded boundary commits. Boundary commits are
        prefixed with `-`.
 
+ifdef::git-rev-list[]
+--use-bitmap-index::
+
+       Try to speed up the traversal using the pack bitmap index (if
+       one is available). Note that when traversing with `--objects`,
+       trees and blobs will not have their associated path printed.
+endif::git-rev-list[]
+
 --
 
 History Simplification
@@ -750,6 +758,13 @@ This enables parent rewriting, see 'History Simplification' below.
 This implies the `--topo-order` option by default, but the
 `--date-order` option may also be specified.
 
+--show-linear-break[=<barrier>]::
+       When --graph is not used, all history branches are flattened
+       which can make it hard to see that the two consecutive commits
+       do not belong to a linear branch. This option puts a barrier
+       in between them in that case. If `<barrier>` is specified, it
+       is the string that will be shown instead of the default one.
+
 ifdef::git-rev-list[]
 --count::
        Print a number stating how many commits would have been