projects / thirdparty / git.git / blame
| Commit | Line | Data |
|---|---|---|
| b33e9666 LT |
1 | #!/bin/sh |
| 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 "$1" in | |
| 33 | --h|--he|--hel|--help) | |
| 34 | echo "$LONG_USAGE" | |
| 35 | exit | |
| 36 | esac | |
| 37 | ||
| 38 | if [ -z "$SUBDIRECTORY_OK" ] | |
| 39 | then | |
| 40 | : ${GIT_DIR=.git} | |
| 41 | : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"} | |
| 42 | ||
| 43 | # Make sure we are in a valid repository of a vintage we understand. | |
| 44 | GIT_DIR="$GIT_DIR" git-var GIT_AUTHOR_IDENT >/dev/null || exit | |
| 45 | else | |
| 46 | GIT_DIR=$(git-rev-parse --git-dir) || exit | |
| 47 | fi |