GIT-SHOW-INDEX(1)		  Git Manual		     GIT-SHOW-INDEX(1)

NAME
       git-show-index - Show packed archive index

SYNOPSIS
       git show-index [--object-format=<hash-algorithm>] < <pack-idx-file>


DESCRIPTION
       Read the .idx file for a Git packfile (created with git-pack-objects(1)
       or git-index-pack(1)) from the standard input, and dump its contents.
       The output consists of one object per line, with each line containing
       two or three space-separated columns:

       •   the first column is the offset in bytes of the object within the
	   corresponding packfile

       •   the second column is the object id of the object

       •   if the index version is 2 or higher, the third column contains the
	   CRC32 of the object data

       The objects are output in the order in which they are found in the
       index file, which should be (in a correctly constructed file) sorted by
       object id.

       Note that you can get more information on a packfile by calling git-
       verify-pack(1). However, as this command considers only the index file
       itself, it’s both faster and more flexible.

OPTIONS
       --object-format=<hash-algorithm>
	   Specify the given object format (hash algorithm) for the index
	   file. The valid values are sha1 and (if enabled) sha256. The
	   default is the algorithm for the current repository (set by
	   extensions.objectFormat), or sha1 if no value is set or outside a
	   repository..

	   Note: At present, there is no interoperability between SHA-256
	   repositories and SHA-1 repositories.

       Historically, we warned that SHA-256 repositories may later need
       backward incompatible changes when we introduce such interoperability
       features. Today, we only expect compatible changes. Furthermore, if
       such changes prove to be necessary, it can be expected that SHA-256
       repositories created with today’s Git will be usable by future versions
       of Git without data loss.

GIT
       Part of the git(1) suite

Git 2.51.0			  2025-08-17		     GIT-SHOW-INDEX(1)