зеркало из https://github.com/microsoft/git.git
132 строки
2.9 KiB
Bash
Executable File
132 строки
2.9 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 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="$*"
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export GIT_REFLOG_ACTION
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fi
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}
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git_editor() {
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: "${GIT_EDITOR:=$(git config core.editor)}"
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: "${GIT_EDITOR:=${VISUAL:-${EDITOR}}}"
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case "$GIT_EDITOR,$TERM" in
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,dumb)
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echo >&2 "No editor specified in GIT_EDITOR, core.editor, VISUAL,"
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echo >&2 "or EDITOR. Tried to fall back to vi but terminal is dumb."
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echo >&2 "Please set one of these variables to an appropriate"
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echo >&2 "editor or run $0 with options that will not cause an"
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echo >&2 "editor to be invoked (e.g., -m or -F for git-commit)."
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exit 1
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;;
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esac
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eval "${GIT_EDITOR:=vi}" '"$@"'
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}
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is_bare_repository () {
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git rev-parse --is-bare-repository
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}
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cd_to_toplevel () {
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cdup=$(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 $(git rev-parse --is-inside-work-tree) = true ||
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die "fatal: $0 cannot be used without a working tree."
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}
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get_author_ident_from_commit () {
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pick_author_script='
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/^author /{
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s/'\''/'\''\\'\'\''/g
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h
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s/^author \([^<]*\) <[^>]*> .*$/\1/
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s/'\''/'\''\'\'\''/g
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s/.*/GIT_AUTHOR_NAME='\''&'\''/p
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g
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s/^author [^<]* <\([^>]*\)> .*$/\1/
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s/'\''/'\''\'\'\''/g
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s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
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g
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s/^author [^<]* <[^>]*> \(.*\)$/\1/
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s/'\''/'\''\'\'\''/g
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s/.*/GIT_AUTHOR_DATE='\''&'\''/p
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q
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}
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'
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encoding=$(git config i18n.commitencoding || echo UTF-8)
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git show -s --pretty=raw --encoding="$encoding" "$1" |
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LANG=C LC_ALL=C sed -ne "$pick_author_script"
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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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: ${GIT_DIR=.git}
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test -z "$(git rev-parse --show-cdup)" || {
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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) || {
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exit=$?
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echo >&2 "Failed to find a valid git directory."
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exit $exit
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}
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fi
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test -n "$GIT_DIR" && GIT_DIR=$(cd "$GIT_DIR" && pwd) || {
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echo >&2 "Unable to determine absolute path of git directory"
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exit 1
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}
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: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}
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