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Commit | Line | Data |
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d1c5f2a4 JH |
1 | #!/bin/sh |
2 | # | |
d64e6b04 | 3 | # Copyright (c) 2005, 2006 Junio C Hamano |
d1c5f2a4 | 4 | |
c1491841 | 5 | SUBDIRECTORY_OK=Yes |
78443d90 PH |
6 | OPTIONS_KEEPDASHDASH= |
7 | OPTIONS_SPEC="\ | |
8 | git-am [options] <mbox>|<Maildir>... | |
9 | git-am [options] --resolved | |
10 | git-am [options] --skip | |
11 | -- | |
e72c7406 | 12 | d,dotest= (removed -- do not use) |
66006c63 | 13 | i,interactive run interactively |
e77b0b5d | 14 | b,binary pass --allow-binary-replacement to git-apply |
78443d90 PH |
15 | 3,3way allow fall back on 3way merging if needed |
16 | s,signoff add a Signed-off-by line to the commit message | |
17 | u,utf8 recode into utf8 (default) | |
fe1fa946 | 18 | k,keep pass -k flag to git-mailinfo |
78443d90 PH |
19 | whitespace= pass it through git-apply |
20 | C= pass it through git-apply | |
21 | p= pass it through git-apply | |
22 | resolvemsg= override error message when patch failure occurs | |
23 | r,resolved to be used after a patch failure | |
3041c324 JH |
24 | skip skip the current patch |
25 | rebasing (internal use for git-rebase)" | |
78443d90 | 26 | |
cf1fe88c | 27 | . git-sh-setup |
bb034f83 | 28 | prefix=$(git rev-parse --show-prefix) |
f9474132 | 29 | set_reflog_action am |
7eff28a9 | 30 | require_work_tree |
c1491841 | 31 | cd_to_toplevel |
d1c5f2a4 | 32 | |
460abee5 SB |
33 | git var GIT_COMMITTER_IDENT >/dev/null || |
34 | die "You need to set your committer info first" | |
d64e6b04 | 35 | |
d1c5f2a4 JH |
36 | stop_here () { |
37 | echo "$1" >"$dotest/next" | |
38 | exit 1 | |
39 | } | |
40 | ||
ced9456a | 41 | stop_here_user_resolve () { |
cc120056 | 42 | if [ -n "$resolvemsg" ]; then |
a23bfaed | 43 | printf '%s\n' "$resolvemsg" |
cc120056 SE |
44 | stop_here $1 |
45 | fi | |
ced9456a RS |
46 | cmdline=$(basename $0) |
47 | if test '' != "$interactive" | |
48 | then | |
49 | cmdline="$cmdline -i" | |
50 | fi | |
51 | if test '' != "$threeway" | |
52 | then | |
53 | cmdline="$cmdline -3" | |
54 | fi | |
ced9456a RS |
55 | echo "When you have resolved this problem run \"$cmdline --resolved\"." |
56 | echo "If you would prefer to skip this patch, instead run \"$cmdline --skip\"." | |
57 | ||
58 | stop_here $1 | |
59 | } | |
60 | ||
d1c5f2a4 JH |
61 | go_next () { |
62 | rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \ | |
63 | "$dotest/patch" "$dotest/info" | |
64 | echo "$next" >"$dotest/next" | |
65 | this=$next | |
66 | } | |
67 | ||
fd7bcfb5 JH |
68 | cannot_fallback () { |
69 | echo "$1" | |
70 | echo "Cannot fall back to three-way merge." | |
71 | exit 1 | |
72 | } | |
73 | ||
d1c5f2a4 JH |
74 | fall_back_3way () { |
75 | O_OBJECT=`cd "$GIT_OBJECT_DIRECTORY" && pwd` | |
76 | ||
77 | rm -fr "$dotest"/patch-merge-* | |
78 | mkdir "$dotest/patch-merge-tmp-dir" | |
79 | ||
80 | # First see if the patch records the index info that we can use. | |
7a988699 JS |
81 | git apply --build-fake-ancestor "$dotest/patch-merge-tmp-index" \ |
82 | "$dotest/patch" && | |
fd7bcfb5 | 83 | GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \ |
5be60078 | 84 | git write-tree >"$dotest/patch-merge-base+" || |
b1440cc8 | 85 | cannot_fallback "Repository lacks necessary blobs to fall back on 3-way merge." |
fd7bcfb5 JH |
86 | |
87 | echo Using index info to reconstruct a base tree... | |
88 | if GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \ | |
5be60078 | 89 | git apply $binary --cached <"$dotest/patch" |
d1c5f2a4 | 90 | then |
d1c5f2a4 JH |
91 | mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base" |
92 | mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index" | |
fd7bcfb5 JH |
93 | else |
94 | cannot_fallback "Did you hand edit your patch? | |
95 | It does not apply to blobs recorded in its index." | |
d1c5f2a4 JH |
96 | fi |
97 | ||
98 | test -f "$dotest/patch-merge-index" && | |
5be60078 | 99 | his_tree=$(GIT_INDEX_FILE="$dotest/patch-merge-index" git write-tree) && |
d1c5f2a4 JH |
100 | orig_tree=$(cat "$dotest/patch-merge-base") && |
101 | rm -fr "$dotest"/patch-merge-* || exit 1 | |
102 | ||
103 | echo Falling back to patching base and 3-way merge... | |
104 | ||
105 | # This is not so wrong. Depending on which base we picked, | |
106 | # orig_tree may be wildly different from ours, but his_tree | |
107 | # has the same set of wildly different changes in parts the | |
579c9bb1 | 108 | # patch did not touch, so recursive ends up canceling them, |
d1c5f2a4 JH |
109 | # saying that we reverted all those changes. |
110 | ||
2e6e3e82 | 111 | eval GITHEAD_$his_tree='"$FIRSTLINE"' |
579c9bb1 SP |
112 | export GITHEAD_$his_tree |
113 | git-merge-recursive $orig_tree -- HEAD $his_tree || { | |
b4372ef1 | 114 | git rerere |
d1c5f2a4 JH |
115 | echo Failed to merge in the changes. |
116 | exit 1 | |
117 | } | |
579c9bb1 | 118 | unset GITHEAD_$his_tree |
d1c5f2a4 JH |
119 | } |
120 | ||
121 | prec=4 | |
e72c7406 | 122 | dotest=".dotest" |
3041c324 | 123 | sign= utf8=t keep= skip= interactive= resolved= binary= rebasing= |
3f0a8f3c | 124 | resolvemsg= resume= |
67dad687 | 125 | git_apply_opt= |
d1c5f2a4 | 126 | |
822f7c73 | 127 | while test $# != 0 |
d1c5f2a4 JH |
128 | do |
129 | case "$1" in | |
78443d90 PH |
130 | -i|--interactive) |
131 | interactive=t ;; | |
132 | -b|--binary) | |
133 | binary=t ;; | |
134 | -3|--3way) | |
135 | threeway=t ;; | |
dfdd7e66 | 136 | -s|--signoff) |
78443d90 PH |
137 | sign=t ;; |
138 | -u|--utf8) | |
139 | utf8=t ;; # this is now default | |
140 | --no-utf8) | |
141 | utf8= ;; | |
142 | -k|--keep) | |
143 | keep=t ;; | |
144 | -r|--resolved) | |
145 | resolved=t ;; | |
146 | --skip) | |
147 | skip=t ;; | |
3041c324 JH |
148 | --rebasing) |
149 | rebasing=t threeway=t keep=t binary=t ;; | |
78443d90 | 150 | -d|--dotest) |
e72c7406 JH |
151 | die "-d option is no longer supported. Do not use." |
152 | ;; | |
78443d90 PH |
153 | --resolvemsg) |
154 | shift; resolvemsg=$1 ;; | |
155 | --whitespace) | |
156 | git_apply_opt="$git_apply_opt $1=$2"; shift ;; | |
157 | -C|-p) | |
158 | git_apply_opt="$git_apply_opt $1$2"; shift ;; | |
d1c5f2a4 | 159 | --) |
78443d90 | 160 | shift; break ;; |
d1c5f2a4 | 161 | *) |
78443d90 | 162 | usage ;; |
d1c5f2a4 | 163 | esac |
78443d90 | 164 | shift |
d1c5f2a4 JH |
165 | done |
166 | ||
0c15cc92 JH |
167 | # If the dotest directory exists, but we have finished applying all the |
168 | # patches in them, clear it out. | |
d1c5f2a4 JH |
169 | if test -d "$dotest" && |
170 | last=$(cat "$dotest/last") && | |
171 | next=$(cat "$dotest/next") && | |
172 | test $# != 0 && | |
173 | test "$next" -gt "$last" | |
174 | then | |
175 | rm -fr "$dotest" | |
176 | fi | |
177 | ||
178 | if test -d "$dotest" | |
179 | then | |
c95b1389 JH |
180 | case "$#,$skip$resolved" in |
181 | 0,*t*) | |
182 | # Explicit resume command and we do not have file, so | |
183 | # we are happy. | |
184 | : ;; | |
185 | 0,) | |
186 | # No file input but without resume parameters; catch | |
187 | # user error to feed us a patch from standard input | |
e72c7406 | 188 | # when there is already $dotest. This is somewhat |
c95b1389 JH |
189 | # unreliable -- stdin could be /dev/null for example |
190 | # and the caller did not intend to feed us a patch but | |
191 | # wanted to continue unattended. | |
192 | tty -s | |
193 | ;; | |
194 | *) | |
195 | false | |
196 | ;; | |
197 | esac || | |
198 | die "previous dotest directory $dotest still exists but mbox given." | |
271440e3 | 199 | resume=yes |
d1c5f2a4 | 200 | else |
0c15cc92 JH |
201 | # Make sure we are not given --skip nor --resolved |
202 | test ",$skip,$resolved," = ,,, || | |
cc120056 | 203 | die "Resolve operation not in progress, we are not resuming." |
d1c5f2a4 JH |
204 | |
205 | # Start afresh. | |
206 | mkdir -p "$dotest" || exit | |
207 | ||
bb034f83 JH |
208 | if test -n "$prefix" && test $# != 0 |
209 | then | |
210 | first=t | |
211 | for arg | |
212 | do | |
213 | test -n "$first" && { | |
214 | set x | |
215 | first= | |
216 | } | |
217 | case "$arg" in | |
218 | /*) | |
219 | set "$@" "$arg" ;; | |
220 | *) | |
221 | set "$@" "$prefix$arg" ;; | |
222 | esac | |
223 | done | |
224 | shift | |
225 | fi | |
5be60078 | 226 | git mailsplit -d"$prec" -o"$dotest" -b -- "$@" > "$dotest/last" || { |
d1c5f2a4 JH |
227 | rm -fr "$dotest" |
228 | exit 1 | |
229 | } | |
230 | ||
8c31cb82 JH |
231 | # -b, -s, -u, -k and --whitespace flags are kept for the |
232 | # resuming session after a patch failure. | |
0c15cc92 | 233 | # -3 and -i can and must be given when resuming. |
087b6742 | 234 | echo "$binary" >"$dotest/binary" |
8c31cb82 | 235 | echo " $ws" >"$dotest/whitespace" |
d1c5f2a4 JH |
236 | echo "$sign" >"$dotest/sign" |
237 | echo "$utf8" >"$dotest/utf8" | |
238 | echo "$keep" >"$dotest/keep" | |
d1c5f2a4 | 239 | echo 1 >"$dotest/next" |
3041c324 JH |
240 | if test -n "$rebasing" |
241 | then | |
242 | : >"$dotest/rebasing" | |
243 | else | |
244 | : >"$dotest/applying" | |
245 | fi | |
d1c5f2a4 JH |
246 | fi |
247 | ||
0c15cc92 JH |
248 | case "$resolved" in |
249 | '') | |
38762c47 | 250 | files=$(git diff-index --cached --name-only HEAD --) || exit |
0c15cc92 JH |
251 | if [ "$files" ]; then |
252 | echo "Dirty index: cannot apply patches (dirty: $files)" >&2 | |
253 | exit 1 | |
254 | fi | |
255 | esac | |
256 | ||
087b6742 JH |
257 | if test "$(cat "$dotest/binary")" = t |
258 | then | |
259 | binary=--allow-binary-replacement | |
260 | fi | |
d1c5f2a4 JH |
261 | if test "$(cat "$dotest/utf8")" = t |
262 | then | |
263 | utf8=-u | |
bb1091a4 JH |
264 | else |
265 | utf8=-n | |
d1c5f2a4 JH |
266 | fi |
267 | if test "$(cat "$dotest/keep")" = t | |
268 | then | |
269 | keep=-k | |
270 | fi | |
8c31cb82 | 271 | ws=`cat "$dotest/whitespace"` |
d1c5f2a4 JH |
272 | if test "$(cat "$dotest/sign")" = t |
273 | then | |
274 | SIGNOFF=`git-var GIT_COMMITTER_IDENT | sed -e ' | |
275 | s/>.*/>/ | |
276 | s/^/Signed-off-by: /' | |
277 | ` | |
278 | else | |
279 | SIGNOFF= | |
280 | fi | |
d1c5f2a4 JH |
281 | |
282 | last=`cat "$dotest/last"` | |
283 | this=`cat "$dotest/next"` | |
284 | if test "$skip" = t | |
285 | then | |
b4372ef1 | 286 | git rerere clear |
d1c5f2a4 | 287 | this=`expr "$this" + 1` |
69224716 | 288 | resume= |
d1c5f2a4 JH |
289 | fi |
290 | ||
291 | if test "$this" -gt "$last" | |
292 | then | |
293 | echo Nothing to do. | |
294 | rm -fr "$dotest" | |
295 | exit | |
296 | fi | |
297 | ||
298 | while test "$this" -le "$last" | |
299 | do | |
300 | msgnum=`printf "%0${prec}d" $this` | |
301 | next=`expr "$this" + 1` | |
302 | test -f "$dotest/$msgnum" || { | |
69224716 | 303 | resume= |
d1c5f2a4 JH |
304 | go_next |
305 | continue | |
306 | } | |
0c15cc92 JH |
307 | |
308 | # If we are not resuming, parse and extract the patch information | |
309 | # into separate files: | |
310 | # - info records the authorship and title | |
311 | # - msg is the rest of commit log message | |
312 | # - patch is the patch body. | |
313 | # | |
314 | # When we are resuming, these files are either already prepared | |
315 | # by the user, or the user can tell us to do so by --resolved flag. | |
271440e3 JH |
316 | case "$resume" in |
317 | '') | |
5be60078 | 318 | git mailinfo $keep $utf8 "$dotest/msg" "$dotest/patch" \ |
271440e3 JH |
319 | <"$dotest/$msgnum" >"$dotest/info" || |
320 | stop_here $this | |
ca193cf1 JS |
321 | |
322 | # skip pine's internal folder data | |
323 | grep '^Author: Mail System Internal Data$' \ | |
324 | <"$dotest"/info >/dev/null && | |
325 | go_next && continue | |
326 | ||
87ab7992 | 327 | test -s $dotest/patch || { |
6777c380 | 328 | echo "Patch is empty. Was it split wrong?" |
87ab7992 DZ |
329 | stop_here $this |
330 | } | |
5e835cac JH |
331 | if test -f "$dotest/rebasing" && |
332 | commit=$(sed -e 's/^From \([0-9a-f]*\) .*/\1/' \ | |
333 | -e q "$dotest/$msgnum") && | |
334 | test "$(git cat-file -t "$commit")" = commit | |
335 | then | |
336 | git cat-file commit "$commit" | | |
337 | sed -e '1,/^$/d' >"$dotest/msg-clean" | |
338 | else | |
339 | SUBJECT="$(sed -n '/^Subject/ s/Subject: //p' "$dotest/info")" | |
340 | case "$keep_subject" in -k) SUBJECT="[PATCH] $SUBJECT" ;; esac | |
341 | ||
41a3e3aa | 342 | (printf '%s\n\n' "$SUBJECT"; cat "$dotest/msg") | |
5e835cac JH |
343 | git stripspace > "$dotest/msg-clean" |
344 | fi | |
271440e3 JH |
345 | ;; |
346 | esac | |
d1c5f2a4 JH |
347 | |
348 | GIT_AUTHOR_NAME="$(sed -n '/^Author/ s/Author: //p' "$dotest/info")" | |
349 | GIT_AUTHOR_EMAIL="$(sed -n '/^Email/ s/Email: //p' "$dotest/info")" | |
350 | GIT_AUTHOR_DATE="$(sed -n '/^Date/ s/Date: //p' "$dotest/info")" | |
e0e3ba20 | 351 | |
3b78959e | 352 | if test -z "$GIT_AUTHOR_EMAIL" |
e0e3ba20 | 353 | then |
3b78959e | 354 | echo "Patch does not have a valid e-mail address." |
e0e3ba20 JH |
355 | stop_here $this |
356 | fi | |
357 | ||
2c674191 | 358 | export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE |
d1c5f2a4 | 359 | |
4bfb6b62 JH |
360 | case "$resume" in |
361 | '') | |
362 | if test '' != "$SIGNOFF" | |
363 | then | |
d1c5f2a4 | 364 | LAST_SIGNED_OFF_BY=` |
4bfb6b62 JH |
365 | sed -ne '/^Signed-off-by: /p' \ |
366 | "$dotest/msg-clean" | | |
b4ce54fc | 367 | sed -ne '$p' |
d1c5f2a4 | 368 | ` |
4bfb6b62 JH |
369 | ADD_SIGNOFF=` |
370 | test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || { | |
d1c5f2a4 JH |
371 | test '' = "$LAST_SIGNED_OFF_BY" && echo |
372 | echo "$SIGNOFF" | |
4bfb6b62 JH |
373 | }` |
374 | else | |
d1c5f2a4 | 375 | ADD_SIGNOFF= |
4bfb6b62 JH |
376 | fi |
377 | { | |
d1c5f2a4 JH |
378 | if test -s "$dotest/msg-clean" |
379 | then | |
d1c5f2a4 JH |
380 | cat "$dotest/msg-clean" |
381 | fi | |
382 | if test '' != "$ADD_SIGNOFF" | |
383 | then | |
384 | echo "$ADD_SIGNOFF" | |
385 | fi | |
4bfb6b62 JH |
386 | } >"$dotest/final-commit" |
387 | ;; | |
0c15cc92 | 388 | *) |
6d28644d | 389 | case "$resolved$interactive" in |
0c15cc92 JH |
390 | tt) |
391 | # This is used only for interactive view option. | |
38762c47 | 392 | git diff-index -p --cached HEAD -- >"$dotest/patch" |
0c15cc92 JH |
393 | ;; |
394 | esac | |
4bfb6b62 | 395 | esac |
d1c5f2a4 | 396 | |
4bfb6b62 | 397 | resume= |
d1c5f2a4 JH |
398 | if test "$interactive" = t |
399 | then | |
a1451104 JH |
400 | test -t 0 || |
401 | die "cannot be interactive without stdin connected to a terminal." | |
d1c5f2a4 JH |
402 | action=again |
403 | while test "$action" = again | |
404 | do | |
405 | echo "Commit Body is:" | |
406 | echo "--------------------------" | |
407 | cat "$dotest/final-commit" | |
408 | echo "--------------------------" | |
9754563c | 409 | printf "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all " |
d1c5f2a4 JH |
410 | read reply |
411 | case "$reply" in | |
f89ad67f JH |
412 | [yY]*) action=yes ;; |
413 | [aA]*) action=yes interactive= ;; | |
414 | [nN]*) action=skip ;; | |
ef0c2abf | 415 | [eE]*) git_editor "$dotest/final-commit" |
d1c5f2a4 | 416 | action=again ;; |
f89ad67f JH |
417 | [vV]*) action=again |
418 | LESS=-S ${PAGER:-less} "$dotest/patch" ;; | |
419 | *) action=again ;; | |
d1c5f2a4 JH |
420 | esac |
421 | done | |
422 | else | |
423 | action=yes | |
424 | fi | |
1d9b2656 | 425 | FIRSTLINE=$(sed 1q "$dotest/final-commit") |
d1c5f2a4 JH |
426 | |
427 | if test $action = skip | |
428 | then | |
429 | go_next | |
430 | continue | |
431 | fi | |
432 | ||
433 | if test -x "$GIT_DIR"/hooks/applypatch-msg | |
434 | then | |
435 | "$GIT_DIR"/hooks/applypatch-msg "$dotest/final-commit" || | |
436 | stop_here $this | |
437 | fi | |
438 | ||
2e6e3e82 | 439 | printf 'Applying %s\n' "$FIRSTLINE" |
d1c5f2a4 | 440 | |
0c15cc92 JH |
441 | case "$resolved" in |
442 | '') | |
5be60078 | 443 | git apply $git_apply_opt $binary --index "$dotest/patch" |
0c15cc92 JH |
444 | apply_status=$? |
445 | ;; | |
446 | t) | |
447 | # Resolved means the user did all the hard work, and | |
448 | # we do not have to do any patch application. Just | |
449 | # trust what the user has in the index file and the | |
450 | # working tree. | |
451 | resolved= | |
38762c47 | 452 | git diff-index --quiet --cached HEAD -- && { |
64646d11 | 453 | echo "No changes - did you forget to use 'git add'?" |
ced9456a | 454 | stop_here_user_resolve $this |
06aff47b | 455 | } |
5be60078 | 456 | unmerged=$(git ls-files -u) |
c1d1128b JH |
457 | if test -n "$unmerged" |
458 | then | |
459 | echo "You still have unmerged paths in your index" | |
64646d11 | 460 | echo "did you forget to use 'git add'?" |
ced9456a | 461 | stop_here_user_resolve $this |
c1d1128b | 462 | fi |
0c15cc92 | 463 | apply_status=0 |
b4372ef1 | 464 | git rerere |
0c15cc92 JH |
465 | ;; |
466 | esac | |
467 | ||
d1c5f2a4 JH |
468 | if test $apply_status = 1 && test "$threeway" = t |
469 | then | |
73319032 | 470 | if (fall_back_3way) |
d1c5f2a4 | 471 | then |
73319032 JH |
472 | # Applying the patch to an earlier tree and merging the |
473 | # result may have produced the same tree as ours. | |
38762c47 | 474 | git diff-index --quiet --cached HEAD -- && { |
06aff47b AR |
475 | echo No changes -- Patch already applied. |
476 | go_next | |
477 | continue | |
478 | } | |
73319032 JH |
479 | # clear apply_status -- we have successfully merged. |
480 | apply_status=0 | |
d1c5f2a4 JH |
481 | fi |
482 | fi | |
483 | if test $apply_status != 0 | |
484 | then | |
485 | echo Patch failed at $msgnum. | |
ced9456a | 486 | stop_here_user_resolve $this |
d1c5f2a4 JH |
487 | fi |
488 | ||
489 | if test -x "$GIT_DIR"/hooks/pre-applypatch | |
490 | then | |
491 | "$GIT_DIR"/hooks/pre-applypatch || stop_here $this | |
492 | fi | |
493 | ||
5be60078 | 494 | tree=$(git write-tree) && |
5be60078 JH |
495 | parent=$(git rev-parse --verify HEAD) && |
496 | commit=$(git commit-tree $tree -p $parent <"$dotest/final-commit") && | |
2e6e3e82 | 497 | git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent || |
d1c5f2a4 JH |
498 | stop_here $this |
499 | ||
500 | if test -x "$GIT_DIR"/hooks/post-applypatch | |
501 | then | |
502 | "$GIT_DIR"/hooks/post-applypatch | |
503 | fi | |
504 | ||
505 | go_next | |
506 | done | |
507 | ||
e0cd252e MS |
508 | git gc --auto |
509 | ||
d1c5f2a4 | 510 | rm -fr "$dotest" |