Provided by: git-man_1.9.1-1ubuntu0.10_all 

NAME
git-show-index - Show packed archive index
SYNOPSIS
git show-index < idx-file
DESCRIPTION
Reads given idx file for packed Git archive created with git pack-objects command, and dumps its
contents.
The information it outputs is subset of what you can get from git verify-pack -v; this command only shows
the packfile offset and SHA-1 of each object.
GIT
Part of the git(1) suite
Git 1.9.1 11/27/2018 GIT-SHOW-INDEX(1)