filter-branch: remove an unnecessary use of 'git read-tree'

diff --git a/Documentation/git-show-ref.txt b/Documentation/git-show-ref.txt
index c1f03d4bd760398fef5e81b667b7742756cd2e70..f4429bdc6863ce1d115b47282f2c04a4d9093d29 100644 (file)
--- a/Documentation/git-show-ref.txt
+++ b/Documentation/git-show-ref.txt
@@ -9,8 +9,9 @@ SYNOPSIS
 --------
 [verse]
 'git show-ref' [-q|--quiet] [--verify] [-h|--head] [-d|--dereference]
-            [-s|--hash] [--abbrev] [--tags] [--heads] [--] <pattern>...
-'git show-ref' --exclude-existing[=pattern]
+            [-s|--hash[=<n>]] [--abbrev[=<n>]] [--tags]
+            [--heads] [--] <pattern>...
+'git show-ref' --exclude-existing[=<pattern>] < ref-list
 
 DESCRIPTION
 -----------
@@ -24,7 +25,7 @@ The --exclude-existing form is a filter that does the inverse, it shows the
 refs from stdin that don't exist in the local repository.
 
 Use of this utility is encouraged in favor of directly accessing files under
-in the `.git` directory.
+the `.git` directory.
 
 OPTIONS
 -------
@@ -48,9 +49,9 @@ OPTIONS
        appended.
 
 -s::
---hash::
+--hash[=<n>]::
 
-       Only show the SHA1 hash, not the reference name. When also using
+       Only show the SHA1 hash, not the reference name. When combined with
        --dereference the dereferenced tag will still be shown after the SHA1.
 
 --verify::
@@ -59,11 +60,10 @@ OPTIONS
        Aside from returning an error code of 1, it will also print an error
        message if '--quiet' was not specified.
 
---abbrev::
---abbrev=len::
+--abbrev[=<n>]::
 
        Abbreviate the object name.  When using `--hash`, you do
-       not have to say `--hash --abbrev`; `--hash=len` would do.
+       not have to say `--hash --abbrev`; `--hash=n` would do.
 
 -q::
 --quiet::
@@ -71,10 +71,9 @@ OPTIONS
        Do not print any results to stdout. When combined with '--verify' this
        can be used to silently check if a reference exists.
 
---exclude-existing::
---exclude-existing=pattern::
+--exclude-existing[=<pattern>]::
 
-       Make git-show-ref act as a filter that reads refs from stdin of the
+       Make 'git-show-ref' act as a filter that reads refs from stdin of the
        form "^(?:<anything>\s)?<refname>(?:\^\{\})?$" and performs the
        following actions on each:
        (1) strip "^{}" at the end of line if any;
@@ -84,7 +83,7 @@ OPTIONS
        (5) otherwise output the line.
 
 
-<pattern>::
+<pattern>...::
 
        Show references matching one or more patterns.
 
@@ -137,7 +136,7 @@ When using the '--verify' flag, the command requires an exact path:
 
 will only match the exact branch called "master".
 
-If nothing matches, linkgit:git-show-ref[1] will return an error code of 1,
+If nothing matches, 'git-show-ref' will return an error code of 1,
 and in the case of verification, it will show an error message.
 
 For scripting, you can ask it to be quiet with the "--quiet" flag, which