git-cat-file: Add --batch-check option

[git.git] / Documentation / git-cat-file.txt

diff --git a/Documentation/git-cat-file.txt b/Documentation/git-cat-file.txt
index df42cb10f24825623ffe32579f0cfbcda6f0337b..d5821af309788a8a1f377feac124b1829556a368 100644 (file)
--- a/Documentation/git-cat-file.txt
+++ b/Documentation/git-cat-file.txt
@@ -9,12 +9,16 @@ git-cat-file - Provide content or type/size information for repository objects
 SYNOPSIS
 --------
 'git-cat-file' [-t | -s | -e | -p | <type>] <object>
+'git-cat-file' --batch-check < <list-of-objects>
 
 DESCRIPTION
 -----------
-Provides content or type of objects in the repository. The type
-is required unless '-t' or '-p' is used to find the object type,
-or '-s' is used to find the object size.
+In the first form, provides content or type of objects in the repository. The
+type is required unless '-t' or '-p' is used to find the object type, or '-s'
+is used to find the object size.
+
+In the second form, a list of object (separated by LFs) is provided on stdin,
+and the SHA1, type, and size of each object is printed on stdout.
 
 OPTIONS
 -------
@@ -46,6 +50,10 @@ OPTIONS
        or to ask for a "blob" with <object> being a tag object that
        points at it.
 
+--batch-check::
+       Print the SHA1, type, and size of each object provided on stdin. May not be
+       combined with any other options or arguments.
+
 OUTPUT
 ------
 If '-t' is specified, one of the <type>.
@@ -56,9 +64,22 @@ If '-e' is specified, no output.
 
 If '-p' is specified, the contents of <object> are pretty-printed.
 
-Otherwise the raw (though uncompressed) contents of the <object> will
-be returned.
+If <type> is specified, the raw (though uncompressed) contents of the <object>
+will be returned.
+
+If '--batch-check' is specified, output of the following form is printed for
+each object specified fon stdin:
+
+------------
+<sha1> SP <type> SP <size> LF
+------------
+
+Additionally, output of the following form is printed for each object specified
+on stdin that does not exist in the repository:
 
+------------
+<object> SP missing LF
+------------
 
 Author
 ------