Introduce is_bare_repository() and core.bare configuration variable
[git/git.git] / git-sh-setup.sh
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1#!/bin/sh
2#
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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
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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
b33e9666 14die() {
8098a178 15 echo >&2 "$@"
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16 exit 1
17}
18
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19usage() {
20 die "Usage: $0 $USAGE"
21}
22
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23set_reflog_action() {
24 if [ -z "${GIT_REFLOG_ACTION:+set}" ]
25 then
26 GIT_REFLOG_ACTION="$*"
27 export GIT_REFLOG_ACTION
28 fi
29}
30
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31if [ -z "$LONG_USAGE" ]
32then
33 LONG_USAGE="Usage: $0 $USAGE"
34else
35 LONG_USAGE="Usage: $0 $USAGE
36
37$LONG_USAGE"
38fi
39
40case "$1" in
cad1ed95 41 -h|--h|--he|--hel|--help)
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42 echo "$LONG_USAGE"
43 exit
44esac
45
c8769f76 46# Make sure we are in a valid repository of a vintage we understand.
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47if [ -z "$SUBDIRECTORY_OK" ]
48then
49 : ${GIT_DIR=.git}
c8769f76 50 GIT_DIR=$(GIT_DIR="$GIT_DIR" git-rev-parse --git-dir) || exit
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51else
52 GIT_DIR=$(git-rev-parse --git-dir) || exit
53fi
c8769f76 54: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}