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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. | |
785063e0 | 12 | # But we protect ourselves from such a user mistake nevertheless. |
365527ad JH |
13 | unset CDPATH |
14 | ||
785063e0 JH |
15 | # Similarly for IFS |
16 | unset IFS | |
17 | ||
61dbb3c4 JH |
18 | git_broken_path_fix () { |
19 | case ":$PATH:" in | |
20 | *:$1:*) : ok ;; | |
21 | *) | |
22 | PATH=$( | |
23 | SANE_TOOL_PATH="$1" | |
24 | IFS=: path= sep= | |
25 | set x $PATH | |
26 | shift | |
27 | for elem | |
28 | do | |
29 | case "$SANE_TOOL_PATH:$elem" in | |
30 | (?*:/bin | ?*:/usr/bin) | |
31 | path="$path$sep$SANE_TOOL_PATH" | |
32 | sep=: | |
33 | SANE_TOOL_PATH= | |
34 | esac | |
35 | path="$path$sep$elem" | |
36 | sep=: | |
37 | done | |
38 | echo "$path" | |
39 | ) | |
40 | ;; | |
41 | esac | |
42 | } | |
43 | ||
44 | # @@BROKEN_PATH_FIX@@ | |
0e0aea5a | 45 | |
adb231cf FG |
46 | die () { |
47 | die_with_status 1 "$@" | |
48 | } | |
49 | ||
50 | die_with_status () { | |
51 | status=$1 | |
52 | shift | |
53 | echo >&2 "$*" | |
54 | exit "$status" | |
b33e9666 LT |
55 | } |
56 | ||
e064c170 SB |
57 | GIT_QUIET= |
58 | ||
59 | say () { | |
60 | if test -z "$GIT_QUIET" | |
61 | then | |
62 | printf '%s\n' "$*" | |
63 | fi | |
64 | } | |
65 | ||
bac199b7 PH |
66 | if test -n "$OPTIONS_SPEC"; then |
67 | usage() { | |
5d292756 JH |
68 | "$0" -h |
69 | exit 1 | |
bac199b7 PH |
70 | } |
71 | ||
e817e3e8 PH |
72 | parseopt_extra= |
73 | [ -n "$OPTIONS_KEEPDASHDASH" ] && | |
74 | parseopt_extra="--keep-dashdash" | |
75 | ||
76 | eval "$( | |
cbea86fd | 77 | echo "$OPTIONS_SPEC" | |
e817e3e8 PH |
78 | git rev-parse --parseopt $parseopt_extra -- "$@" || |
79 | echo exit $? | |
80 | )" | |
bac199b7 | 81 | else |
1b1dd23f | 82 | dashless=$(basename "$0" | sed -e 's/-/ /') |
bac199b7 | 83 | usage() { |
1b1dd23f | 84 | die "Usage: $dashless $USAGE" |
bac199b7 PH |
85 | } |
86 | ||
87 | if [ -z "$LONG_USAGE" ] | |
88 | then | |
1b1dd23f | 89 | LONG_USAGE="Usage: $dashless $USAGE" |
bac199b7 | 90 | else |
1b1dd23f | 91 | LONG_USAGE="Usage: $dashless $USAGE |
bac199b7 PH |
92 | |
93 | $LONG_USAGE" | |
94 | fi | |
95 | ||
96 | case "$1" in | |
87182b17 | 97 | -h) |
bac199b7 PH |
98 | echo "$LONG_USAGE" |
99 | exit | |
100 | esac | |
101 | fi | |
d025524d | 102 | |
f9474132 SP |
103 | set_reflog_action() { |
104 | if [ -z "${GIT_REFLOG_ACTION:+set}" ] | |
105 | then | |
106 | GIT_REFLOG_ACTION="$*" | |
107 | export GIT_REFLOG_ACTION | |
108 | fi | |
109 | } | |
110 | ||
ef0c2abf | 111 | git_editor() { |
b4479f07 JN |
112 | if test -z "${GIT_EDITOR:+set}" |
113 | then | |
114 | GIT_EDITOR="$(git var GIT_EDITOR)" || return $? | |
115 | fi | |
116 | ||
117 | eval "$GIT_EDITOR" '"$@"' | |
ef0c2abf AR |
118 | } |
119 | ||
f6dff119 JN |
120 | git_pager() { |
121 | if test -t 1 | |
122 | then | |
123 | GIT_PAGER=$(git var GIT_PAGER) | |
124 | else | |
125 | GIT_PAGER=cat | |
126 | fi | |
127 | : ${LESS=-FRSX} | |
128 | export LESS | |
129 | ||
130 | eval "$GIT_PAGER" '"$@"' | |
131 | } | |
132 | ||
e1622bfc JH |
133 | sane_grep () { |
134 | GREP_OPTIONS= LC_ALL=C grep "$@" | |
135 | } | |
136 | ||
137 | sane_egrep () { | |
138 | GREP_OPTIONS= LC_ALL=C egrep "$@" | |
139 | } | |
140 | ||
4b441f47 | 141 | is_bare_repository () { |
5be60078 | 142 | git rev-parse --is-bare-repository |
4b441f47 JH |
143 | } |
144 | ||
9fde9401 | 145 | cd_to_toplevel () { |
91dc602d SD |
146 | cdup=$(git rev-parse --show-toplevel) && |
147 | cd "$cdup" || { | |
148 | echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree" | |
149 | exit 1 | |
150 | } | |
9fde9401 JH |
151 | } |
152 | ||
e2eb5273 JH |
153 | require_work_tree_exists () { |
154 | if test "z$(git rev-parse --is-bare-repository)" != zfalse | |
155 | then | |
156 | die "fatal: $0 cannot be used without a working tree." | |
157 | fi | |
158 | } | |
159 | ||
7eff28a9 | 160 | require_work_tree () { |
ab62677b | 161 | test "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = true || |
7eff28a9 SP |
162 | die "fatal: $0 cannot be used without a working tree." |
163 | } | |
164 | ||
92c62a3f RR |
165 | require_clean_work_tree () { |
166 | git rev-parse --verify HEAD >/dev/null || exit 1 | |
167 | git update-index -q --ignore-submodules --refresh | |
168 | err=0 | |
169 | ||
170 | if ! git diff-files --quiet --ignore-submodules | |
171 | then | |
172 | echo >&2 "Cannot $1: You have unstaged changes." | |
173 | err=1 | |
174 | fi | |
175 | ||
176 | if ! git diff-index --cached --quiet --ignore-submodules HEAD -- | |
177 | then | |
178 | if [ $err = 0 ] | |
179 | then | |
180 | echo >&2 "Cannot $1: Your index contains uncommitted changes." | |
181 | else | |
182 | echo >&2 "Additionally, your index contains uncommitted changes." | |
183 | fi | |
184 | err=1 | |
185 | fi | |
186 | ||
187 | if [ $err = 1 ] | |
188 | then | |
189 | test -n "$2" && echo >&2 "$2" | |
190 | exit 1 | |
191 | fi | |
192 | } | |
193 | ||
ce80ca56 JK |
194 | # Generate a sed script to parse identities from a commit. |
195 | # | |
196 | # Reads the commit from stdin, which should be in raw format (e.g., from | |
197 | # cat-file or "--pretty=raw"). | |
198 | # | |
199 | # The first argument specifies the ident line to parse (e.g., "author"), and | |
200 | # the second specifies the environment variable to put it in (e.g., "AUTHOR" | |
201 | # for "GIT_AUTHOR_*"). Multiple pairs can be given to parse author and | |
202 | # committer. | |
203 | pick_ident_script () { | |
204 | while test $# -gt 0 | |
205 | do | |
206 | lid=$1; shift | |
207 | uid=$1; shift | |
208 | printf '%s' " | |
209 | /^$lid /{ | |
210 | s/'/'\\\\''/g | |
211 | h | |
212 | s/^$lid "'\([^<]*\) <[^>]*> .*$/\1/'" | |
213 | s/.*/GIT_${uid}_NAME='&'/p | |
214 | ||
215 | g | |
216 | s/^$lid "'[^<]* <\([^>]*\)> .*$/\1/'" | |
217 | s/.*/GIT_${uid}_EMAIL='&'/p | |
218 | ||
219 | g | |
220 | s/^$lid "'[^<]* <[^>]*> \(.*\)$/@\1/'" | |
221 | s/.*/GIT_${uid}_DATE='&'/p | |
222 | } | |
223 | " | |
224 | done | |
225 | echo '/^$/q' | |
226 | } | |
227 | ||
228 | # Create a pick-script as above and feed it to sed. Stdout is suitable for | |
229 | # feeding to eval. | |
230 | parse_ident_from_commit () { | |
231 | LANG=C LC_ALL=C sed -ne "$(pick_ident_script "$@")" | |
232 | } | |
233 | ||
234 | # Parse the author from a commit given as an argument. Stdout is suitable for | |
235 | # feeding to eval to set the usual GIT_* ident variables. | |
0cae2346 | 236 | get_author_ident_from_commit () { |
0cae2346 | 237 | encoding=$(git config i18n.commitencoding || echo UTF-8) |
077b725f | 238 | git show -s --pretty=raw --encoding="$encoding" "$1" -- | |
ce80ca56 | 239 | parse_ident_from_commit author AUTHOR |
0cae2346 JS |
240 | } |
241 | ||
7d750f0e GB |
242 | # Clear repo-local GIT_* environment variables. Useful when switching to |
243 | # another repository (e.g. when entering a submodule). See also the env | |
244 | # list in git_connect() | |
245 | clear_local_git_env() { | |
246 | unset $(git rev-parse --local-env-vars) | |
247 | } | |
248 | ||
87bddba9 | 249 | |
10587ce6 | 250 | # Platform specific tweaks to work around some commands |
87bddba9 JS |
251 | case $(uname -s) in |
252 | *MINGW*) | |
253 | # Windows has its own (incompatible) sort and find | |
254 | sort () { | |
255 | /usr/bin/sort "$@" | |
256 | } | |
257 | find () { | |
258 | /usr/bin/find "$@" | |
259 | } | |
be39048a RJ |
260 | # git sees Windows-style pwd |
261 | pwd () { | |
262 | builtin pwd -W | |
263 | } | |
5e9677cb PT |
264 | is_absolute_path () { |
265 | case "$1" in | |
266 | [/\\]* | [A-Za-z]:*) | |
267 | return 0 ;; | |
268 | esac | |
269 | return 1 | |
270 | } | |
87bddba9 | 271 | ;; |
5e9677cb PT |
272 | *) |
273 | is_absolute_path () { | |
274 | case "$1" in | |
275 | /*) | |
276 | return 0 ;; | |
277 | esac | |
278 | return 1 | |
279 | } | |
87bddba9 | 280 | esac |
10587ce6 JH |
281 | |
282 | # Make sure we are in a valid repository of a vintage we understand, | |
283 | # if we require to be in a git repository. | |
284 | if test -z "$NONGIT_OK" | |
285 | then | |
286 | GIT_DIR=$(git rev-parse --git-dir) || exit | |
287 | if [ -z "$SUBDIRECTORY_OK" ] | |
288 | then | |
289 | test -z "$(git rev-parse --show-cdup)" || { | |
290 | exit=$? | |
291 | echo >&2 "You need to run this command from the toplevel of the working tree." | |
292 | exit $exit | |
293 | } | |
294 | fi | |
295 | test -n "$GIT_DIR" && GIT_DIR=$(cd "$GIT_DIR" && pwd) || { | |
296 | echo >&2 "Unable to determine absolute path of git directory" | |
297 | exit 1 | |
298 | } | |
299 | : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"} | |
300 | fi |