t/: Use "test_must_fail git" instead of "! git"
[git/git.git] / git-sh-setup.sh
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1#!/bin/sh
2#
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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 8# Having this variable in your environment would break scripts because
e598c517 9# you would cause "cd" to be taken to unexpected places. If you
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10# like CDPATH, define it for your interactive shell sessions without
11# exporting it.
12unset CDPATH
13
b33e9666 14die() {
8098a178 15 echo >&2 "$@"
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16 exit 1
17}
18
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19if test -n "$OPTIONS_SPEC"; then
20 usage() {
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21 "$0" -h
22 exit 1
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23 }
24
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25 parseopt_extra=
26 [ -n "$OPTIONS_KEEPDASHDASH" ] &&
27 parseopt_extra="--keep-dashdash"
28
29 eval "$(
cbea86fd 30 echo "$OPTIONS_SPEC" |
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31 git rev-parse --parseopt $parseopt_extra -- "$@" ||
32 echo exit $?
33 )"
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34else
35 usage() {
36 die "Usage: $0 $USAGE"
37 }
38
39 if [ -z "$LONG_USAGE" ]
40 then
41 LONG_USAGE="Usage: $0 $USAGE"
42 else
43 LONG_USAGE="Usage: $0 $USAGE
44
45$LONG_USAGE"
46 fi
47
48 case "$1" in
49 -h|--h|--he|--hel|--help)
50 echo "$LONG_USAGE"
51 exit
52 esac
53fi
d025524d 54
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55set_reflog_action() {
56 if [ -z "${GIT_REFLOG_ACTION:+set}" ]
57 then
58 GIT_REFLOG_ACTION="$*"
59 export GIT_REFLOG_ACTION
60 fi
61}
62
ef0c2abf 63git_editor() {
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64 : "${GIT_EDITOR:=$(git config core.editor)}"
65 : "${GIT_EDITOR:=${VISUAL:-${EDITOR}}}"
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66 case "$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 $0 with options that will not cause an"
72 echo >&2 "editor to be invoked (e.g., -m or -F for git-commit)."
73 exit 1
74 ;;
75 esac
08874658 76 eval "${GIT_EDITOR:=vi}" '"$@"'
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77}
78
4b441f47 79is_bare_repository () {
5be60078 80 git rev-parse --is-bare-repository
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81}
82
9fde9401 83cd_to_toplevel () {
5be60078 84 cdup=$(git rev-parse --show-cdup)
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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
90 }
91 fi
92}
93
7eff28a9 94require_work_tree () {
e90fdc39 95 test $(git rev-parse --is-inside-work-tree) = true ||
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96 die "fatal: $0 cannot be used without a working tree."
97}
98
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99get_author_ident_from_commit () {
100 pick_author_script='
101 /^author /{
102 s/'\''/'\''\\'\'\''/g
103 h
104 s/^author \([^<]*\) <[^>]*> .*$/\1/
105 s/'\''/'\''\'\'\''/g
106 s/.*/GIT_AUTHOR_NAME='\''&'\''/p
107
108 g
109 s/^author [^<]* <\([^>]*\)> .*$/\1/
110 s/'\''/'\''\'\'\''/g
111 s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
112
113 g
114 s/^author [^<]* <[^>]*> \(.*\)$/\1/
115 s/'\''/'\''\'\'\''/g
116 s/.*/GIT_AUTHOR_DATE='\''&'\''/p
117
118 q
119 }
120 '
121 encoding=$(git config i18n.commitencoding || echo UTF-8)
077b725f 122 git show -s --pretty=raw --encoding="$encoding" "$1" -- |
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123 LANG=C LC_ALL=C sed -ne "$pick_author_script"
124}
125
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126# Make sure we are in a valid repository of a vintage we understand,
127# if we require to be in a git repository.
70087cdb 128if test -z "$NONGIT_OK"
d025524d 129then
4d6d6d2d 130 GIT_DIR=$(git rev-parse --git-dir) || exit
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131 if [ -z "$SUBDIRECTORY_OK" ]
132 then
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133 test -z "$(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 $exit
137 }
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138 fi
139 test -n "$GIT_DIR" && GIT_DIR=$(cd "$GIT_DIR" && pwd) || {
140 echo >&2 "Unable to determine absolute path of git directory"
141 exit 1
b2bc9a30 142 }
22c90717 143 : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}
d025524d 144fi
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145
146# Fix some commands on Windows
147case $(uname -s) in
148*MINGW*)
149 # Windows has its own (incompatible) sort and find
150 sort () {
151 /usr/bin/sort "$@"
152 }
153 find () {
154 /usr/bin/find "$@"
155 }
156 ;;
157esac