git-sh-setup.shon commit Merge branch 'ar/merge-recursive' (141d21b)
   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 $USAGE"
  21}
  22
  23set_reflog_action() {
  24        if [ -z "${GIT_REFLOG_ACTION:+set}" ]
  25        then
  26                GIT_REFLOG_ACTION="$*"
  27                export GIT_REFLOG_ACTION
  28        fi
  29}
  30
  31if [ -z "$LONG_USAGE" ]
  32then
  33        LONG_USAGE="Usage: $0 $USAGE"
  34else
  35        LONG_USAGE="Usage: $0 $USAGE
  36
  37$LONG_USAGE"
  38fi
  39
  40case "$1" in
  41        -h|--h|--he|--hel|--help)
  42        echo "$LONG_USAGE"
  43        exit
  44esac
  45
  46# Make sure we are in a valid repository of a vintage we understand.
  47if [ -z "$SUBDIRECTORY_OK" ]
  48then
  49        : ${GIT_DIR=.git}
  50        GIT_DIR=$(GIT_DIR="$GIT_DIR" git-rev-parse --git-dir) || exit
  51else
  52        GIT_DIR=$(git-rev-parse --git-dir) || exit
  53fi
  54: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}