. "$(git --exec-path)/git-sh-setup"
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.
exit after emitting the supplied error message to the standard
die with the usage message.
Set GIT_REFLOG_ACTION environment to a given string (typically the
name of the program) unless it is already set. Whenever the script
runs a git command that updates refs, a reflog entry is created
using the value of this string to leave the record of what command
updated the ref.
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.
outputs true or false to the standard output stream to indicate if
the repository is a bare repository (i.e. without an associated
runs chdir to the toplevel of the working tree.
checks if the current directory is within the working tree of the
repository, and otherwise dies.
checks if the working tree associated with the repository exists,
and otherwise dies. Often done before calling cd_to_toplevel, which
GIT_AUTHOR_EMAIL and GIT_AUTHOR_DATE variables for a given commit.
modifies the first file so only lines in common with the second
file remain. If there is insufficient common material, then the
first file is left empty. The result is suitable as a virtual base
input for a 3-way merge.
Part of the git(1) suite
Git 2.7.4 12/09/2019 GIT-SH-SETUP(1)
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