| #!/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 "$1" in |
| --h|--he|--hel|--help) |
| echo "$LONG_USAGE" |
| exit |
| esac |
| |
| if [ -z "$SUBDIRECTORY_OK" ] |
| then |
| : ${GIT_DIR=.git} |
| : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"} |
| |
| # Make sure we are in a valid repository of a vintage we understand. |
| GIT_DIR="$GIT_DIR" git-var GIT_AUTHOR_IDENT >/dev/null || exit |
| else |
| GIT_DIR=$(git-rev-parse --git-dir) || exit |
| fi |