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Commit | Line | Data |
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b33e9666 LT |
1 | #!/bin/sh |
2 | # | |
ae2b0f15 JH |
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 |
365527ad JH |
10 | # like CDPATH, define it for your interactive shell sessions without |
11 | # exporting it. | |
12 | unset CDPATH | |
13 | ||
b33e9666 | 14 | die() { |
8098a178 | 15 | echo >&2 "$@" |
b33e9666 LT |
16 | exit 1 |
17 | } | |
18 | ||
bac199b7 PH |
19 | if test -n "$OPTIONS_SPEC"; then |
20 | usage() { | |
5d292756 JH |
21 | "$0" -h |
22 | exit 1 | |
bac199b7 PH |
23 | } |
24 | ||
e817e3e8 PH |
25 | parseopt_extra= |
26 | [ -n "$OPTIONS_KEEPDASHDASH" ] && | |
27 | parseopt_extra="--keep-dashdash" | |
28 | ||
29 | eval "$( | |
cbea86fd | 30 | echo "$OPTIONS_SPEC" | |
e817e3e8 PH |
31 | git rev-parse --parseopt $parseopt_extra -- "$@" || |
32 | echo exit $? | |
33 | )" | |
bac199b7 PH |
34 | else |
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 | |
53 | fi | |
d025524d | 54 | |
f9474132 SP |
55 | set_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 | 63 | git_editor() { |
08874658 DK |
64 | : "${GIT_EDITOR:=$(git config core.editor)}" |
65 | : "${GIT_EDITOR:=${VISUAL:-${EDITOR}}}" | |
ef0c2abf AR |
66 | case "$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}" '"$@"' |
ef0c2abf AR |
77 | } |
78 | ||
4b441f47 | 79 | is_bare_repository () { |
5be60078 | 80 | git rev-parse --is-bare-repository |
4b441f47 JH |
81 | } |
82 | ||
9fde9401 | 83 | cd_to_toplevel () { |
5be60078 | 84 | cdup=$(git rev-parse --show-cdup) |
9fde9401 JH |
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 | 94 | require_work_tree () { |
e90fdc39 | 95 | test $(git rev-parse --is-inside-work-tree) = true || |
7eff28a9 SP |
96 | die "fatal: $0 cannot be used without a working tree." |
97 | } | |
98 | ||
0cae2346 JS |
99 | get_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" "$1" -- | |
0cae2346 JS |
123 | LANG=C LC_ALL=C sed -ne "$pick_author_script" |
124 | } | |
125 | ||
22c90717 JH |
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 | 128 | if test -z "$NONGIT_OK" |
d025524d | 129 | then |
4d6d6d2d | 130 | GIT_DIR=$(git rev-parse --git-dir) || exit |
22c90717 JH |
131 | if [ -z "$SUBDIRECTORY_OK" ] |
132 | then | |
22c90717 JH |
133 | test -z "$(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 $exit | |
137 | } | |
22c90717 JH |
138 | fi |
139 | test -n "$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 | 144 | fi |