ls-files: convert show_files to take an index

diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt
index 5da7cf5a8d02d6fd52993f042f29efe4cc749051..a46f70c2b16c2c03f47ccb3444cffb491b68ed83 100644 (file)
--- a/Documentation/rev-list-options.txt
+++ b/Documentation/rev-list-options.txt
@@ -92,8 +92,12 @@ endif::git-rev-list[]
        pattern as a regular expression).
 
 --perl-regexp::
-       Consider the limiting patterns to be Perl-compatible regular expressions.
-       Requires libpcre to be compiled in.
+       Consider the limiting patterns to be Perl-compatible regular
+       expressions.
++
+Support for these types of regular expressions is an optional
+compile-time dependency. If Git wasn't compiled with support for them
+providing this option will cause it to die.
 
 --remove-empty::
        Stop when a given path disappears from the tree.
@@ -133,8 +137,8 @@ parents) and `--max-parents=-1` (negative numbers denote no upper limit).
        for all following revision specifiers, up to the next `--not`.
 
 --all::
-       Pretend as if all the refs in `refs/` are listed on the
-       command line as '<commit>'.
+       Pretend as if all the refs in `refs/`, along with `HEAD`, are
+       listed on the command line as '<commit>'.
 
 --branches[=<pattern>]::
        Pretend as if all the refs in `refs/heads` are listed