[thirdparty/git.git] / git-sh-setup.sh

#!/bin/sh
#
# This is included in commands that either have to be run from the toplevel
# of the repository, or with GIT_DIR environment variable properly.
# If the GIT_DIR does not look like the right correct git-repository,
# it dies.

# Having this variable in your environment would break scripts because
# you would cause "cd" to be be taken to unexpected places.  If you
# like CDPATH, define it for your interactive shell sessions without
# exporting it.
unset CDPATH

die() {
	echo >&2 "$@"
	exit 1
}

usage() {
	die "Usage: $0 $USAGE"
}

if [ -z "$LONG_USAGE" ]
then
	LONG_USAGE="Usage: $0 $USAGE"
else
	LONG_USAGE="Usage: $0 $USAGE

$LONG_USAGE"
fi

case "$1" in
	-h|--h|--he|--hel|--help)
	echo "$LONG_USAGE"
	exit
esac

# Make sure we are in a valid repository of a vintage we understand.
if [ -z "$SUBDIRECTORY_OK" ]
then
	: ${GIT_DIR=.git}
	GIT_DIR=$(GIT_DIR="$GIT_DIR" git-rev-parse --git-dir) || exit
else
	GIT_DIR=$(git-rev-parse --git-dir) || exit
fi
: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}
Commit	Line	Data
b33e9666 LT	1	#!/bin/sh
b33e9666 LT	2	#
ae2b0f15 JH	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.
b33e9666	7
365527ad JH	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.
	12	unset CDPATH
	13
b33e9666	14	die() {
8098a178	15	echo >&2 "$@"
b33e9666 LT	16	exit 1
	17	}
	18
d025524d FK	19	usage() {
	20	die "Usage: $0 $USAGE"
	21	}
	22
	23	if [ -z "$LONG_USAGE" ]
	24	then
	25	LONG_USAGE="Usage: $0 $USAGE"
	26	else
	27	LONG_USAGE="Usage: $0 $USAGE
	28
	29	$LONG_USAGE"
	30	fi
	31
	32	case "$1" in
cad1ed95	33	-h\|--h\|--he\|--hel\|--help)
d025524d FK	34	echo "$LONG_USAGE"
	35	exit
	36	esac
	37
c8769f76	38	# Make sure we are in a valid repository of a vintage we understand.
d025524d FK	39	if [ -z "$SUBDIRECTORY_OK" ]
	40	then
	41	: ${GIT_DIR=.git}
c8769f76	42	GIT_DIR=$(GIT_DIR="$GIT_DIR" git-rev-parse --git-dir) \|\| exit
d025524d FK	43	else
	44	GIT_DIR=$(git-rev-parse --git-dir) \|\| exit
	45	fi
c8769f76	46	: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}