git-sh-setup man page on YellowDog

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GIT-SH-SETUP(1)			  Git Manual		       GIT-SH-SETUP(1)

NAME
       git-sh-setup - Common git shell script setup code

SYNOPSIS
       git-sh-setup

DESCRIPTION
       This is not a command the end user would want to run. Ever. This
       documentation is meant for people who are studying the Porcelain-ish
       scripts and/or are writing new ones.

       The git-sh-setup scriptlet is designed to be sourced (using .) by other
       shell scripts to set up some variables pointing at the normal git
       directories and a few helper shell functions.

       Before sourcing it, your script should set up a few variables; USAGE
       (and LONG_USAGE, if any) is used to define message given by usage()
       shell function. SUBDIRECTORY_OK can be set if the script can run from a
       subdirectory of the working tree (some commands do not).

       The scriptlet sets GIT_DIR and GIT_OBJECT_DIRECTORY shell variables,
       but does not export them to the environment.

FUNCTIONS
       die    exit after emitting the supplied error message to the standard
	      error stream.

       usage  die with the usage message.

       set_reflog_action
	      set the message that will be recorded to describe the end-user
	      action in the reflog, when the script updates a ref.

       git_editor
	      runs an editor of user's choice (GIT_EDITOR, core.editor, VISUAL
	      or EDITOR) on a given file, but error out if no editor is
	      specified and the terminal is dumb.

       is_bare_repository
	      outputs true or false to the standard output stream to indicate
	      if the repository is a bare repository (i.e. without an
	      associated working tree).

       cd_to_toplevel
	      runs chdir to the toplevel of the working tree.

       require_work_tree
	      checks if the repository is a bare repository, and dies if so.
	      Used by scripts that require working tree (e.g. checkout).

       get_author_ident_from_commit
	      outputs code for use with eval to set the GIT_AUTHOR_NAME,
	      GIT_AUTHOR_EMAIL and GIT_AUTHOR_DATE variables for a given
	      commit.

AUTHOR
       Written by Linus Torvalds <torvalds@osdl.org>

DOCUMENTATION
       Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.

GIT
       Part of the git(7) suite

Git 1.5.5.2			  10/21/2008		       GIT-SH-SETUP(1)
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