git-add documentation: Fix shell quoting example
[git/dscho.git] / git-sh-setup.sh
bloba44b1c74a38d6310d7a1bde969cbbcb51f977188
1 #!/bin/sh
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.
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
11 # exporting it.
12 unset CDPATH
14 die() {
15 echo >&2 "$@"
16 exit 1
19 if test -n "$OPTIONS_SPEC"; then
20 usage() {
21 "$0" -h
22 exit 1
25 parseopt_extra=
26 [ -n "$OPTIONS_KEEPDASHDASH" ] &&
27 parseopt_extra="--keep-dashdash"
29 eval "$(
30 echo "$OPTIONS_SPEC" |
31 git rev-parse --parseopt $parseopt_extra -- "$@" ||
32 echo exit $?
34 else
35 usage() {
36 die "Usage: $0 $USAGE"
39 if [ -z "$LONG_USAGE" ]
40 then
41 LONG_USAGE="Usage: $0 $USAGE"
42 else
43 LONG_USAGE="Usage: $0 $USAGE
45 $LONG_USAGE"
48 case "$1" in
49 -h|--h|--he|--hel|--help)
50 echo "$LONG_USAGE"
51 exit
52 esac
55 set_reflog_action() {
56 if [ -z "${GIT_REFLOG_ACTION:+set}" ]
57 then
58 GIT_REFLOG_ACTION="$*"
59 export GIT_REFLOG_ACTION
63 git_editor() {
64 : "${GIT_EDITOR:=$(git config core.editor)}"
65 : "${GIT_EDITOR:=${VISUAL:-${EDITOR}}}"
66 case "$GIT_EDITOR,$TERM" in
67 ,dumb)
68 echo >&2 "No editor specified in GIT_EDITOR, core.editor, VISUAL,"
69 echo >&2 "or EDITOR. Tried to fall back to vi but terminal is dumb."
70 echo >&2 "Please set one of these variables to an appropriate"
71 echo >&2 "editor or run $0 with options that will not cause an"
72 echo >&2 "editor to be invoked (e.g., -m or -F for git-commit)."
73 exit 1
75 esac
76 eval "${GIT_EDITOR:=vi}" '"$@"'
79 is_bare_repository () {
80 git rev-parse --is-bare-repository
83 cd_to_toplevel () {
84 cdup=$(git rev-parse --show-cdup)
85 if test ! -z "$cdup"
86 then
87 cd "$cdup" || {
88 echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
89 exit 1
94 require_work_tree () {
95 test $(git rev-parse --is-inside-work-tree) = true ||
96 die "fatal: $0 cannot be used without a working tree."
99 get_author_ident_from_commit () {
100 pick_author_script='
101 /^author /{
102 s/'\''/'\''\\'\'\''/g
104 s/^author \([^<]*\) <[^>]*> .*$/\1/
105 s/'\''/'\''\'\'\''/g
106 s/.*/GIT_AUTHOR_NAME='\''&'\''/p
109 s/^author [^<]* <\([^>]*\)> .*$/\1/
110 s/'\''/'\''\'\'\''/g
111 s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
114 s/^author [^<]* <[^>]*> \(.*\)$/\1/
115 s/'\''/'\''\'\'\''/g
116 s/.*/GIT_AUTHOR_DATE='\''&'\''/p
121 encoding=$(git config i18n.commitencoding || echo UTF-8)
122 git show -s --pretty=raw --encoding="$encoding" "$1" -- |
123 LANG=C LC_ALL=C sed -ne "$pick_author_script"
126 # Make sure we are in a valid repository of a vintage we understand,
127 # if we require to be in a git repository.
128 if test -z "$NONGIT_OK"
129 then
130 GIT_DIR=$(git rev-parse --git-dir) || exit
131 if [ -z "$SUBDIRECTORY_OK" ]
132 then
133 test -z "$(git rev-parse --show-cdup)" || {
134 exit=$?
135 echo >&2 "You need to run this command from the toplevel of the working tree."
136 exit $exit
139 test -n "$GIT_DIR" && GIT_DIR=$(cd "$GIT_DIR" && pwd) || {
140 echo >&2 "Unable to determine absolute path of git directory"
141 exit 1
143 : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}