mirror of
https://github.com/git/git.git
synced 2024-12-01 05:54:16 +08:00
83 lines
1.7 KiB
Bash
Executable File
83 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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#
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# This is included in commands that either have to be run from the toplevel
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# of the repository, or with GIT_DIR environment variable properly.
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# If the GIT_DIR does not look like the right correct git-repository,
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# it dies.
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# Having this variable in your environment would break scripts because
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# you would cause "cd" to be be taken to unexpected places. If you
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# like CDPATH, define it for your interactive shell sessions without
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# exporting it.
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unset CDPATH
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die() {
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echo >&2 "$@"
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exit 1
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}
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usage() {
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die "Usage: $0 $USAGE"
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}
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set_reflog_action() {
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if [ -z "${GIT_REFLOG_ACTION:+set}" ]
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then
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GIT_REFLOG_ACTION="$*"
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export GIT_REFLOG_ACTION
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fi
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}
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is_bare_repository () {
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git-repo-config --bool --get core.bare ||
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case "$GIT_DIR" in
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.git | */.git) echo false ;;
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*) echo true ;;
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esac
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}
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cd_to_toplevel () {
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cdup=$(git-rev-parse --show-cdup)
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if test ! -z "$cdup"
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then
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cd "$cdup" || {
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echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
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exit 1
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}
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fi
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}
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require_work_tree () {
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test $(is_bare_repository) = false ||
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die "fatal: $0 cannot be used without a working tree."
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}
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if [ -z "$LONG_USAGE" ]
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then
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LONG_USAGE="Usage: $0 $USAGE"
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else
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LONG_USAGE="Usage: $0 $USAGE
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$LONG_USAGE"
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fi
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case "$1" in
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-h|--h|--he|--hel|--help)
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echo "$LONG_USAGE"
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exit
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esac
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# Make sure we are in a valid repository of a vintage we understand.
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if [ -z "$SUBDIRECTORY_OK" ]
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then
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: ${GIT_DIR=.git}
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GIT_DIR=$(GIT_DIR="$GIT_DIR" git-rev-parse --git-dir) || {
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exit=$?
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echo >&2 "You need to run this command from the toplevel of the working tree."
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exit $exit
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}
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else
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GIT_DIR=$(git-rev-parse --git-dir) || exit
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fi
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: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}
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