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,
8 # Having this variable in your environment would break scripts because
9 # you would cause "cd" to be taken to unexpected places. If you
10 # like CDPATH, define it for your interactive shell sessions without
12 # But we protect ourselves from such a user mistake nevertheless.
15 # Similarly for IFS, but some shells (e.g. FreeBSD 7.2) are buggy and
16 # do not equate an unset IFS with IFS with the default, so here is
17 # an explicit SP HT LF.
21 git_broken_path_fix () {
32 case "$SANE_TOOL_PATH:$elem" in
33 (?*:/bin | ?*:/usr/bin)
34 path="$path$sep$SANE_TOOL_PATH"
50 die_with_status 1 "$@"
63 if test -z "$GIT_QUIET"
69 if test -n "$OPTIONS_SPEC"; then
76 [ -n "$OPTIONS_KEEPDASHDASH" ] &&
77 parseopt_extra="--keep-dashdash"
80 echo "$OPTIONS_SPEC" |
81 git rev-parse --parseopt $parseopt_extra -- "$@" ||
85 dashless=$(basename "$0" | sed -e 's/-/ /')
87 die "Usage: $dashless $USAGE"
90 if [ -z "$LONG_USAGE" ]
92 LONG_USAGE="Usage: $dashless $USAGE"
94 LONG_USAGE="Usage: $dashless $USAGE
106 set_reflog_action() {
107 if [ -z "${GIT_REFLOG_ACTION:+set}" ]
109 GIT_REFLOG_ACTION="$*"
110 export GIT_REFLOG_ACTION
115 if test -z "${GIT_EDITOR:+set}"
117 GIT_EDITOR="$(git var GIT_EDITOR)" || return $?
120 eval "$GIT_EDITOR" '"$@"'
126 GIT_PAGER=$(git var GIT_PAGER)
133 eval "$GIT_PAGER" '"$@"'
137 GREP_OPTIONS= LC_ALL=C grep "$@"
141 GREP_OPTIONS= LC_ALL=C egrep "$@"
144 is_bare_repository () {
145 git rev-parse --is-bare-repository
149 cdup=$(git rev-parse --show-toplevel) &&
151 echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
156 require_work_tree_exists () {
157 if test "z$(git rev-parse --is-bare-repository)" != zfalse
159 die "fatal: $0 cannot be used without a working tree."
163 require_work_tree () {
164 test "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = true ||
165 die "fatal: $0 cannot be used without a working tree."
168 require_clean_work_tree () {
169 git rev-parse --verify HEAD >/dev/null || exit 1
170 git update-index -q --ignore-submodules --refresh
173 if ! git diff-files --quiet --ignore-submodules
175 echo >&2 "Cannot $1: You have unstaged changes."
179 if ! git diff-index --cached --quiet --ignore-submodules HEAD --
183 echo >&2 "Cannot $1: Your index contains uncommitted changes."
185 echo >&2 "Additionally, your index contains uncommitted changes."
192 test -n "$2" && echo >&2 "$2"
197 get_author_ident_from_commit () {
200 s/'\''/'\''\\'\'\''/g
202 s/^author \([^<]*\) <[^>]*> .*$/\1/
203 s/.*/GIT_AUTHOR_NAME='\''&'\''/p
206 s/^author [^<]* <\([^>]*\)> .*$/\1/
207 s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
210 s/^author [^<]* <[^>]*> \(.*\)$/@\1/
211 s/.*/GIT_AUTHOR_DATE='\''&'\''/p
216 encoding=$(git config i18n.commitencoding || echo UTF-8)
217 git show -s --pretty=raw --encoding="$encoding" "$1" -- |
218 LANG=C LC_ALL=C sed -ne "$pick_author_script"
221 # Clear repo-local GIT_* environment variables. Useful when switching to
222 # another repository (e.g. when entering a submodule). See also the env
223 # list in git_connect()
224 clear_local_git_env() {
225 unset $(git rev-parse --local-env-vars)
229 # Platform specific tweaks to work around some commands
232 # Windows has its own (incompatible) sort and find
239 # git sees Windows-style pwd
243 is_absolute_path () {
252 is_absolute_path () {
261 # Make sure we are in a valid repository of a vintage we understand,
262 # if we require to be in a git repository.
263 if test -z "$NONGIT_OK"
265 GIT_DIR=$(git rev-parse --git-dir) || exit
266 if [ -z "$SUBDIRECTORY_OK" ]
268 test -z "$(git rev-parse --show-cdup)" || {
270 echo >&2 "You need to run this command from the toplevel of the working tree."
274 test -n "$GIT_DIR" && GIT_DIR=$(cd "$GIT_DIR" && pwd) || {
275 echo >&2 "Unable to determine absolute path of git directory"
278 : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}