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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 | ||
61dbb3c4 JH |
14 | git_broken_path_fix () { |
15 | case ":$PATH:" in | |
16 | *:$1:*) : ok ;; | |
17 | *) | |
18 | PATH=$( | |
19 | SANE_TOOL_PATH="$1" | |
20 | IFS=: path= sep= | |
21 | set x $PATH | |
22 | shift | |
23 | for elem | |
24 | do | |
25 | case "$SANE_TOOL_PATH:$elem" in | |
26 | (?*:/bin | ?*:/usr/bin) | |
27 | path="$path$sep$SANE_TOOL_PATH" | |
28 | sep=: | |
29 | SANE_TOOL_PATH= | |
30 | esac | |
31 | path="$path$sep$elem" | |
32 | sep=: | |
33 | done | |
34 | echo "$path" | |
35 | ) | |
36 | ;; | |
37 | esac | |
38 | } | |
39 | ||
40 | # @@BROKEN_PATH_FIX@@ | |
0e0aea5a | 41 | |
adb231cf FG |
42 | die () { |
43 | die_with_status 1 "$@" | |
44 | } | |
45 | ||
46 | die_with_status () { | |
47 | status=$1 | |
48 | shift | |
49 | echo >&2 "$*" | |
50 | exit "$status" | |
b33e9666 LT |
51 | } |
52 | ||
e064c170 SB |
53 | GIT_QUIET= |
54 | ||
55 | say () { | |
56 | if test -z "$GIT_QUIET" | |
57 | then | |
58 | printf '%s\n' "$*" | |
59 | fi | |
60 | } | |
61 | ||
bac199b7 PH |
62 | if test -n "$OPTIONS_SPEC"; then |
63 | usage() { | |
5d292756 JH |
64 | "$0" -h |
65 | exit 1 | |
bac199b7 PH |
66 | } |
67 | ||
e817e3e8 PH |
68 | parseopt_extra= |
69 | [ -n "$OPTIONS_KEEPDASHDASH" ] && | |
70 | parseopt_extra="--keep-dashdash" | |
71 | ||
72 | eval "$( | |
cbea86fd | 73 | echo "$OPTIONS_SPEC" | |
e817e3e8 PH |
74 | git rev-parse --parseopt $parseopt_extra -- "$@" || |
75 | echo exit $? | |
76 | )" | |
bac199b7 | 77 | else |
1b1dd23f | 78 | dashless=$(basename "$0" | sed -e 's/-/ /') |
bac199b7 | 79 | usage() { |
1b1dd23f | 80 | die "Usage: $dashless $USAGE" |
bac199b7 PH |
81 | } |
82 | ||
83 | if [ -z "$LONG_USAGE" ] | |
84 | then | |
1b1dd23f | 85 | LONG_USAGE="Usage: $dashless $USAGE" |
bac199b7 | 86 | else |
1b1dd23f | 87 | LONG_USAGE="Usage: $dashless $USAGE |
bac199b7 PH |
88 | |
89 | $LONG_USAGE" | |
90 | fi | |
91 | ||
92 | case "$1" in | |
87182b17 | 93 | -h) |
bac199b7 PH |
94 | echo "$LONG_USAGE" |
95 | exit | |
96 | esac | |
97 | fi | |
d025524d | 98 | |
f9474132 SP |
99 | set_reflog_action() { |
100 | if [ -z "${GIT_REFLOG_ACTION:+set}" ] | |
101 | then | |
102 | GIT_REFLOG_ACTION="$*" | |
103 | export GIT_REFLOG_ACTION | |
104 | fi | |
105 | } | |
106 | ||
ef0c2abf | 107 | git_editor() { |
b4479f07 JN |
108 | if test -z "${GIT_EDITOR:+set}" |
109 | then | |
110 | GIT_EDITOR="$(git var GIT_EDITOR)" || return $? | |
111 | fi | |
112 | ||
113 | eval "$GIT_EDITOR" '"$@"' | |
ef0c2abf AR |
114 | } |
115 | ||
f6dff119 JN |
116 | git_pager() { |
117 | if test -t 1 | |
118 | then | |
119 | GIT_PAGER=$(git var GIT_PAGER) | |
120 | else | |
121 | GIT_PAGER=cat | |
122 | fi | |
123 | : ${LESS=-FRSX} | |
124 | export LESS | |
125 | ||
126 | eval "$GIT_PAGER" '"$@"' | |
127 | } | |
128 | ||
e1622bfc JH |
129 | sane_grep () { |
130 | GREP_OPTIONS= LC_ALL=C grep "$@" | |
131 | } | |
132 | ||
133 | sane_egrep () { | |
134 | GREP_OPTIONS= LC_ALL=C egrep "$@" | |
135 | } | |
136 | ||
4b441f47 | 137 | is_bare_repository () { |
5be60078 | 138 | git rev-parse --is-bare-repository |
4b441f47 JH |
139 | } |
140 | ||
9fde9401 | 141 | cd_to_toplevel () { |
91dc602d SD |
142 | cdup=$(git rev-parse --show-toplevel) && |
143 | cd "$cdup" || { | |
144 | echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree" | |
145 | exit 1 | |
146 | } | |
9fde9401 JH |
147 | } |
148 | ||
e2eb5273 JH |
149 | require_work_tree_exists () { |
150 | if test "z$(git rev-parse --is-bare-repository)" != zfalse | |
151 | then | |
152 | die "fatal: $0 cannot be used without a working tree." | |
153 | fi | |
154 | } | |
155 | ||
7eff28a9 | 156 | require_work_tree () { |
ab62677b | 157 | test "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = true || |
7eff28a9 SP |
158 | die "fatal: $0 cannot be used without a working tree." |
159 | } | |
160 | ||
92c62a3f RR |
161 | require_clean_work_tree () { |
162 | git rev-parse --verify HEAD >/dev/null || exit 1 | |
163 | git update-index -q --ignore-submodules --refresh | |
164 | err=0 | |
165 | ||
166 | if ! git diff-files --quiet --ignore-submodules | |
167 | then | |
168 | echo >&2 "Cannot $1: You have unstaged changes." | |
169 | err=1 | |
170 | fi | |
171 | ||
172 | if ! git diff-index --cached --quiet --ignore-submodules HEAD -- | |
173 | then | |
174 | if [ $err = 0 ] | |
175 | then | |
176 | echo >&2 "Cannot $1: Your index contains uncommitted changes." | |
177 | else | |
178 | echo >&2 "Additionally, your index contains uncommitted changes." | |
179 | fi | |
180 | err=1 | |
181 | fi | |
182 | ||
183 | if [ $err = 1 ] | |
184 | then | |
185 | test -n "$2" && echo >&2 "$2" | |
186 | exit 1 | |
187 | fi | |
188 | } | |
189 | ||
0cae2346 JS |
190 | get_author_ident_from_commit () { |
191 | pick_author_script=' | |
192 | /^author /{ | |
193 | s/'\''/'\''\\'\'\''/g | |
194 | h | |
195 | s/^author \([^<]*\) <[^>]*> .*$/\1/ | |
0cae2346 JS |
196 | s/.*/GIT_AUTHOR_NAME='\''&'\''/p |
197 | ||
198 | g | |
199 | s/^author [^<]* <\([^>]*\)> .*$/\1/ | |
0cae2346 JS |
200 | s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p |
201 | ||
202 | g | |
2c733fb2 | 203 | s/^author [^<]* <[^>]*> \(.*\)$/@\1/ |
0cae2346 JS |
204 | s/.*/GIT_AUTHOR_DATE='\''&'\''/p |
205 | ||
206 | q | |
207 | } | |
208 | ' | |
209 | encoding=$(git config i18n.commitencoding || echo UTF-8) | |
077b725f | 210 | git show -s --pretty=raw --encoding="$encoding" "$1" -- | |
0cae2346 JS |
211 | LANG=C LC_ALL=C sed -ne "$pick_author_script" |
212 | } | |
213 | ||
7d750f0e GB |
214 | # Clear repo-local GIT_* environment variables. Useful when switching to |
215 | # another repository (e.g. when entering a submodule). See also the env | |
216 | # list in git_connect() | |
217 | clear_local_git_env() { | |
218 | unset $(git rev-parse --local-env-vars) | |
219 | } | |
220 | ||
22c90717 JH |
221 | # Make sure we are in a valid repository of a vintage we understand, |
222 | # if we require to be in a git repository. | |
70087cdb | 223 | if test -z "$NONGIT_OK" |
d025524d | 224 | then |
4d6d6d2d | 225 | GIT_DIR=$(git rev-parse --git-dir) || exit |
22c90717 JH |
226 | if [ -z "$SUBDIRECTORY_OK" ] |
227 | then | |
22c90717 JH |
228 | test -z "$(git rev-parse --show-cdup)" || { |
229 | exit=$? | |
230 | echo >&2 "You need to run this command from the toplevel of the working tree." | |
231 | exit $exit | |
232 | } | |
22c90717 JH |
233 | fi |
234 | test -n "$GIT_DIR" && GIT_DIR=$(cd "$GIT_DIR" && pwd) || { | |
235 | echo >&2 "Unable to determine absolute path of git directory" | |
236 | exit 1 | |
b2bc9a30 | 237 | } |
22c90717 | 238 | : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"} |
d025524d | 239 | fi |
87bddba9 JS |
240 | |
241 | # Fix some commands on Windows | |
242 | case $(uname -s) in | |
243 | *MINGW*) | |
244 | # Windows has its own (incompatible) sort and find | |
245 | sort () { | |
246 | /usr/bin/sort "$@" | |
247 | } | |
248 | find () { | |
249 | /usr/bin/find "$@" | |
250 | } | |
5e9677cb PT |
251 | is_absolute_path () { |
252 | case "$1" in | |
253 | [/\\]* | [A-Za-z]:*) | |
254 | return 0 ;; | |
255 | esac | |
256 | return 1 | |
257 | } | |
87bddba9 | 258 | ;; |
5e9677cb PT |
259 | *) |
260 | is_absolute_path () { | |
261 | case "$1" in | |
262 | /*) | |
263 | return 0 ;; | |
264 | esac | |
265 | return 1 | |
266 | } | |
87bddba9 | 267 | esac |