git-sh-setup: do not use repo-config to test the git directory
[git/git.git] / git-sh-setup.sh
... / ...
CommitLineData
1#!/bin/sh
2#
3# This is included in commands that either have to be run from the toplevel
4# of the repository, or with GIT_DIR environment variable properly.
5# If the GIT_DIR does not look like the right correct git-repository,
6# it dies.
7
8# Having this variable in your environment would break scripts because
9# you would cause "cd" to be be taken to unexpected places. If you
10# like CDPATH, define it for your interactive shell sessions without
11# exporting it.
12unset CDPATH
13
14die() {
15 echo >&2 "$@"
16 exit 1
17}
18
19usage() {
20 die "Usage: $0 $USAGE"
21}
22
23if [ -z "$LONG_USAGE" ]
24then
25 LONG_USAGE="Usage: $0 $USAGE"
26else
27 LONG_USAGE="Usage: $0 $USAGE
28
29$LONG_USAGE"
30fi
31
32case "$1" in
33 -h|--h|--he|--hel|--help)
34 echo "$LONG_USAGE"
35 exit
36esac
37
38# Make sure we are in a valid repository of a vintage we understand.
39if [ -z "$SUBDIRECTORY_OK" ]
40then
41 : ${GIT_DIR=.git}
42 GIT_DIR=$(GIT_DIR="$GIT_DIR" git-rev-parse --git-dir) || exit
43else
44 GIT_DIR=$(git-rev-parse --git-dir) || exit
45fi
46: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}