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Commit | Line | Data |
---|---|---|
59e6b23a JH |
1 | #!/bin/sh |
2 | # | |
3 | # Copyright (c) 2005 Junio C Hamano. | |
4 | # | |
5 | ||
533b7039 | 6 | SUBDIRECTORY_OK=Yes |
45e2acf3 | 7 | OPTIONS_KEEPDASHDASH= |
b6e9e73e | 8 | OPTIONS_STUCKLONG=t |
45e2acf3 | 9 | OPTIONS_SPEC="\ |
c2145384 | 10 | git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] [<upstream>] [<branch>] |
0cd993a7 | 11 | git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] --root [<branch>] |
82cb775c | 12 | git rebase --continue | --abort | --skip | --edit-todo |
45e2acf3 MZ |
13 | -- |
14 | Available options are | |
15 | v,verbose! display a diffstat of what changed upstream | |
16 | q,quiet! be quiet. implies --no-stat | |
619e3604 | 17 | autostash automatically stash/stash pop before and after |
ad8261d2 | 18 | fork-point use 'merge-base --fork-point' to refine upstream |
45e2acf3 | 19 | onto=! rebase onto given branch instead of upstream |
7543f6f4 | 20 | r,rebase-merges? try to rebase merges instead of skipping them |
45e2acf3 MZ |
21 | p,preserve-merges! try to recreate merges instead of ignoring them |
22 | s,strategy=! use the given merge strategy | |
23 | no-ff! cherry-pick all commits, even if unchanged | |
24 | m,merge! use merging strategies to rebase | |
25 | i,interactive! let the user edit the list of commits to rebase | |
c2145384 | 26 | x,exec=! add exec lines after each commit of the editable list |
90e1818f | 27 | k,keep-empty preserve empty commits during rebase |
a6c612b5 | 28 | allow-empty-message allow rebasing commits with empty messages |
45e2acf3 MZ |
29 | f,force-rebase! force rebase even if branch is up to date |
30 | X,strategy-option=! pass the argument through to the merge strategy | |
31 | stat! display a diffstat of what changed upstream | |
32 | n,no-stat! do not show diffstat of what changed upstream | |
33 | verify allow pre-rebase hook to run | |
34 | rerere-autoupdate allow rerere to update index with resolved conflicts | |
35 | root! rebase all reachable commits up to the root(s) | |
36 | autosquash move commits that begin with squash!/fixup! under -i | |
37 | committer-date-is-author-date! passed to 'git am' | |
38 | ignore-date! passed to 'git am' | |
9f79524a | 39 | signoff passed to 'git am' |
45e2acf3 MZ |
40 | whitespace=! passed to 'git apply' |
41 | ignore-whitespace! passed to 'git apply' | |
42 | C=! passed to 'git apply' | |
3ee5e540 | 43 | S,gpg-sign? GPG-sign commits |
45e2acf3 | 44 | Actions: |
5960bc9d MZ |
45 | continue! continue |
46 | abort! abort and check out the original branch | |
47 | skip! skip current patch and continue | |
eb9a7cb4 | 48 | edit-todo! edit the todo list during an interactive rebase |
9512177b | 49 | quit! abort but keep HEAD where it is |
66335298 | 50 | show-current-patch! show the patch file being applied or merged |
45e2acf3 | 51 | " |
ae2b0f15 | 52 | . git-sh-setup |
f9474132 | 53 | set_reflog_action rebase |
035b5bf6 | 54 | require_work_tree_exists |
533b7039 | 55 | cd_to_toplevel |
4282c4fb | 56 | |
61dfa1bb JH |
57 | LF=' |
58 | ' | |
6bb4e485 MZ |
59 | ok_to_skip_pre_rebase= |
60 | resolvemsg=" | |
5fdacc17 WD |
61 | $(gettext 'Resolve all conflicts manually, mark them as resolved with |
62 | "git add/rm <conflicted_files>", then run "git rebase --continue". | |
63 | You can instead skip this commit: run "git rebase --skip". | |
64 | To abort and get back to the state before "git rebase", run "git rebase --abort".') | |
cc120056 | 65 | " |
bb2ac4fc | 66 | squash_onto= |
6bb4e485 | 67 | unset onto |
1e0dacdb | 68 | unset restrict_revision |
c2145384 | 69 | cmd= |
9765b6ab | 70 | strategy= |
93ce190c | 71 | strategy_opts= |
58634dbf | 72 | do_merge= |
69a636ad MZ |
73 | merge_dir="$GIT_DIR"/rebase-merge |
74 | apply_dir="$GIT_DIR"/rebase-apply | |
b758789c | 75 | verbose= |
9474a029 MZ |
76 | diffstat= |
77 | test "$(git config --bool rebase.stat)" = true && diffstat=t | |
58794775 | 78 | autostash="$(git config --bool rebase.autostash || echo false)" |
ad8261d2 | 79 | fork_point=auto |
67dad687 | 80 | git_am_opt= |
9eaa858e | 81 | git_format_patch_opt= |
190f5323 | 82 | rebase_root= |
b2f82e05 | 83 | force_rebase= |
cb6020bb | 84 | allow_rerere_autoupdate= |
99de0640 MZ |
85 | # Non-empty if a rebase was in progress when 'git rebase' was invoked |
86 | in_progress= | |
87 | # One of {am, merge, interactive} | |
88 | type= | |
89 | # One of {"$GIT_DIR"/rebase-apply, "$GIT_DIR"/rebase-merge} | |
90 | state_dir= | |
34262322 MZ |
91 | # One of {'', continue, skip, abort}, as parsed from command line |
92 | action= | |
8f6aed71 | 93 | rebase_merges= |
7543f6f4 | 94 | rebase_cousins= |
cf432ca0 MZ |
95 | preserve_merges= |
96 | autosquash= | |
90e1818f | 97 | keep_empty= |
a6c612b5 | 98 | allow_empty_message= |
a852ec7f | 99 | signoff= |
cf432ca0 | 100 | test "$(git config --bool rebase.autosquash)" = "true" && autosquash=t |
66948561 JH |
101 | case "$(git config --bool commit.gpgsign)" in |
102 | true) gpg_sign_opt=-S ;; | |
103 | *) gpg_sign_opt= ;; | |
104 | esac | |
58634dbf | 105 | |
fa99c1e1 | 106 | read_basic_state () { |
dc8ca912 RR |
107 | test -f "$state_dir/head-name" && |
108 | test -f "$state_dir/onto" && | |
02ac45fa MZ |
109 | head_name=$(cat "$state_dir"/head-name) && |
110 | onto=$(cat "$state_dir"/onto) && | |
84df4560 MZ |
111 | # We always write to orig-head, but interactive rebase used to write to |
112 | # head. Fall back to reading from head to cover for the case that the | |
113 | # user upgraded git with an ongoing interactive rebase. | |
114 | if test -f "$state_dir"/orig-head | |
2959c283 | 115 | then |
2959c283 | 116 | orig_head=$(cat "$state_dir"/orig-head) |
84df4560 MZ |
117 | else |
118 | orig_head=$(cat "$state_dir"/head) | |
2959c283 | 119 | fi && |
7b37a7c6 MZ |
120 | GIT_QUIET=$(cat "$state_dir"/quiet) && |
121 | test -f "$state_dir"/verbose && verbose=t | |
80ff4795 MZ |
122 | test -f "$state_dir"/strategy && strategy="$(cat "$state_dir"/strategy)" |
123 | test -f "$state_dir"/strategy_opts && | |
124 | strategy_opts="$(cat "$state_dir"/strategy_opts)" | |
b3e4847e MZ |
125 | test -f "$state_dir"/allow_rerere_autoupdate && |
126 | allow_rerere_autoupdate="$(cat "$state_dir"/allow_rerere_autoupdate)" | |
3ee5e540 NV |
127 | test -f "$state_dir"/gpg_sign_opt && |
128 | gpg_sign_opt="$(cat "$state_dir"/gpg_sign_opt)" | |
a852ec7f PW |
129 | test -f "$state_dir"/signoff && { |
130 | signoff="$(cat "$state_dir"/signoff)" | |
131 | force_rebase=t | |
132 | } | |
02ac45fa MZ |
133 | } |
134 | ||
84df4560 MZ |
135 | write_basic_state () { |
136 | echo "$head_name" > "$state_dir"/head-name && | |
137 | echo "$onto" > "$state_dir"/onto && | |
138 | echo "$orig_head" > "$state_dir"/orig-head && | |
7b37a7c6 MZ |
139 | echo "$GIT_QUIET" > "$state_dir"/quiet && |
140 | test t = "$verbose" && : > "$state_dir"/verbose | |
80ff4795 MZ |
141 | test -n "$strategy" && echo "$strategy" > "$state_dir"/strategy |
142 | test -n "$strategy_opts" && echo "$strategy_opts" > \ | |
143 | "$state_dir"/strategy_opts | |
b3e4847e MZ |
144 | test -n "$allow_rerere_autoupdate" && echo "$allow_rerere_autoupdate" > \ |
145 | "$state_dir"/allow_rerere_autoupdate | |
3ee5e540 | 146 | test -n "$gpg_sign_opt" && echo "$gpg_sign_opt" > "$state_dir"/gpg_sign_opt |
a852ec7f | 147 | test -n "$signoff" && echo "$signoff" >"$state_dir"/signoff |
84df4560 MZ |
148 | } |
149 | ||
4974c2ca MZ |
150 | output () { |
151 | case "$verbose" in | |
152 | '') | |
153 | output=$("$@" 2>&1 ) | |
154 | status=$? | |
155 | test $status != 0 && printf "%s\n" "$output" | |
156 | return $status | |
157 | ;; | |
158 | *) | |
159 | "$@" | |
160 | ;; | |
161 | esac | |
162 | } | |
163 | ||
6fd2f5e6 | 164 | move_to_original_branch () { |
6fd2f5e6 JS |
165 | case "$head_name" in |
166 | refs/*) | |
167 | message="rebase finished: $head_name onto $onto" | |
168 | git update-ref -m "$message" \ | |
169 | $head_name $(git rev-parse HEAD) $orig_head && | |
53f2ffa8 JK |
170 | git symbolic-ref \ |
171 | -m "rebase finished: returning to $head_name" \ | |
172 | HEAD $head_name || | |
24a6df48 | 173 | die "$(eval_gettext "Could not move back to \$head_name")" |
6fd2f5e6 JS |
174 | ;; |
175 | esac | |
176 | } | |
177 | ||
e4244eb3 | 178 | apply_autostash () { |
58794775 RR |
179 | if test -f "$state_dir/autostash" |
180 | then | |
181 | stash_sha1=$(cat "$state_dir/autostash") | |
eadf1c8f | 182 | if git stash apply $stash_sha1 >/dev/null 2>&1 |
58794775 | 183 | then |
cdb866b3 | 184 | echo "$(gettext 'Applied autostash.')" >&2 |
58794775 | 185 | else |
20351bb0 RR |
186 | git stash store -m "autostash" -q $stash_sha1 || |
187 | die "$(eval_gettext "Cannot store \$stash_sha1")" | |
58794775 RR |
188 | gettext 'Applying autostash resulted in conflicts. |
189 | Your changes are safe in the stash. | |
ac1998de | 190 | You can run "git stash pop" or "git stash drop" at any time. |
cdb866b3 | 191 | ' >&2 |
58794775 RR |
192 | fi |
193 | fi | |
e4244eb3 RR |
194 | } |
195 | ||
196 | finish_rebase () { | |
fbd7a232 | 197 | rm -f "$(git rev-parse --git-path REBASE_HEAD)" |
e4244eb3 | 198 | apply_autostash && |
8c24f5b0 | 199 | { git gc --auto || true; } && |
58794775 RR |
200 | rm -rf "$state_dir" |
201 | } | |
202 | ||
8cd65967 | 203 | run_specific_rebase () { |
f8cca019 AE |
204 | if [ "$interactive_rebase" = implied ]; then |
205 | GIT_EDITOR=: | |
206 | export GIT_EDITOR | |
8a6dae10 | 207 | autosquash= |
f8cca019 | 208 | fi |
46df82d5 | 209 | . git-rebase--$type |
6d98d0c0 AG |
210 | |
211 | if test -z "$preserve_merges" | |
212 | then | |
213 | git_rebase__$type | |
214 | else | |
215 | git_rebase__preserve_merges | |
216 | fi | |
217 | ||
f5f758a5 RR |
218 | ret=$? |
219 | if test $ret -eq 0 | |
220 | then | |
58794775 | 221 | finish_rebase |
e4244eb3 RR |
222 | elif test $ret -eq 2 # special exit status for rebase -i |
223 | then | |
224 | apply_autostash && | |
225 | rm -rf "$state_dir" && | |
226 | die "Nothing to do" | |
f5f758a5 RR |
227 | fi |
228 | exit $ret | |
1b1dce4b JS |
229 | } |
230 | ||
d70b4a8f | 231 | run_pre_rebase_hook () { |
6bb4e485 | 232 | if test -z "$ok_to_skip_pre_rebase" && |
b849b954 | 233 | test -x "$(git rev-parse --git-path hooks/pre-rebase)" |
d70b4a8f | 234 | then |
b849b954 | 235 | "$(git rev-parse --git-path hooks/pre-rebase)" ${1+"$@"} || |
c7108bf9 | 236 | die "$(gettext "The pre-rebase hook refused to rebase.")" |
d70b4a8f NS |
237 | fi |
238 | } | |
239 | ||
69a636ad | 240 | test -f "$apply_dir"/applying && |
82cb775c | 241 | die "$(gettext "It looks like 'git am' is in progress. Cannot rebase.")" |
9b752a6e | 242 | |
99de0640 MZ |
243 | if test -d "$apply_dir" |
244 | then | |
245 | type=am | |
246 | state_dir="$apply_dir" | |
247 | elif test -d "$merge_dir" | |
248 | then | |
6d98d0c0 AG |
249 | if test -d "$merge_dir"/rewritten |
250 | then | |
251 | type=preserve-merges | |
252 | interactive_rebase=explicit | |
253 | preserve_merges=t | |
254 | elif test -f "$merge_dir"/interactive | |
99de0640 MZ |
255 | then |
256 | type=interactive | |
257 | interactive_rebase=explicit | |
258 | else | |
259 | type=merge | |
260 | fi | |
261 | state_dir="$merge_dir" | |
262 | fi | |
263 | test -n "$type" && in_progress=t | |
264 | ||
95135b06 | 265 | total_argc=$# |
822f7c73 | 266 | while test $# != 0 |
e646c9c8 JH |
267 | do |
268 | case "$1" in | |
c4427656 | 269 | --no-verify) |
6bb4e485 | 270 | ok_to_skip_pre_rebase=yes |
c4427656 | 271 | ;; |
7baf9c4b | 272 | --verify) |
6bb4e485 | 273 | ok_to_skip_pre_rebase= |
7baf9c4b | 274 | ;; |
66335298 | 275 | --continue|--skip|--abort|--quit|--edit-todo|--show-current-patch) |
45e2acf3 | 276 | test $total_argc -eq 2 || usage |
34262322 | 277 | action=${1##--} |
031321c6 | 278 | ;; |
b6e9e73e NV |
279 | --onto=*) |
280 | onto="${1#--onto=}" | |
e646c9c8 | 281 | ;; |
b6e9e73e NV |
282 | --exec=*) |
283 | cmd="${cmd}exec ${1#--exec=}${LF}" | |
78ec2400 | 284 | test -z "$interactive_rebase" && interactive_rebase=implied |
c2145384 | 285 | ;; |
b6e9e73e | 286 | --interactive) |
cf432ca0 MZ |
287 | interactive_rebase=explicit |
288 | ;; | |
b6e9e73e | 289 | --keep-empty) |
90e1818f NH |
290 | keep_empty=yes |
291 | ;; | |
a6c612b5 GS |
292 | --allow-empty-message) |
293 | allow_empty_message=--allow-empty-message | |
294 | ;; | |
3d946165 PW |
295 | --no-keep-empty) |
296 | keep_empty= | |
297 | ;; | |
8f6aed71 JS |
298 | --rebase-merges) |
299 | rebase_merges=t | |
300 | test -z "$interactive_rebase" && interactive_rebase=implied | |
301 | ;; | |
7543f6f4 JS |
302 | --rebase-merges=*) |
303 | rebase_merges=t | |
304 | case "${1#*=}" in | |
305 | rebase-cousins) rebase_cousins=t;; | |
306 | no-rebase-cousins) rebase_cousins=;; | |
307 | *) die "Unknown mode: $1";; | |
308 | esac | |
309 | test -z "$interactive_rebase" && interactive_rebase=implied | |
310 | ;; | |
b6e9e73e | 311 | --preserve-merges) |
cf432ca0 MZ |
312 | preserve_merges=t |
313 | test -z "$interactive_rebase" && interactive_rebase=implied | |
314 | ;; | |
315 | --autosquash) | |
316 | autosquash=t | |
317 | ;; | |
318 | --no-autosquash) | |
319 | autosquash= | |
320 | ;; | |
ad8261d2 JK |
321 | --fork-point) |
322 | fork_point=t | |
323 | ;; | |
324 | --no-fork-point) | |
325 | fork_point= | |
326 | ;; | |
b6e9e73e | 327 | --merge) |
58634dbf EW |
328 | do_merge=t |
329 | ;; | |
b6e9e73e NV |
330 | --strategy-option=*) |
331 | strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--${1#--strategy-option=}")" | |
93ce190c | 332 | do_merge=t |
9765b6ab | 333 | test -z "$strategy" && strategy=recursive |
93ce190c | 334 | ;; |
b6e9e73e NV |
335 | --strategy=*) |
336 | strategy="${1#--strategy=}" | |
58634dbf EW |
337 | do_merge=t |
338 | ;; | |
b6e9e73e | 339 | --no-stat) |
a9c3821c TAV |
340 | diffstat= |
341 | ;; | |
342 | --stat) | |
343 | diffstat=t | |
344 | ;; | |
58794775 RR |
345 | --autostash) |
346 | autostash=true | |
347 | ;; | |
619e3604 JK |
348 | --no-autostash) |
349 | autostash=false | |
350 | ;; | |
b6e9e73e | 351 | --verbose) |
b758789c | 352 | verbose=t |
a9c3821c | 353 | diffstat=t |
0e987a12 SB |
354 | GIT_QUIET= |
355 | ;; | |
b6e9e73e | 356 | --quiet) |
0e987a12 SB |
357 | GIT_QUIET=t |
358 | git_am_opt="$git_am_opt -q" | |
359 | verbose= | |
360 | diffstat= | |
b758789c | 361 | ;; |
b6e9e73e NV |
362 | --whitespace=*) |
363 | git_am_opt="$git_am_opt --whitespace=${1#--whitespace=}" | |
364 | case "${1#--whitespace=}" in | |
45e2acf3 | 365 | fix|strip) |
b2f82e05 SR |
366 | force_rebase=t |
367 | ;; | |
368 | esac | |
059f446d | 369 | ;; |
86c91f91 GB |
370 | --ignore-whitespace) |
371 | git_am_opt="$git_am_opt $1" | |
372 | ;; | |
a852ec7f PW |
373 | --signoff) |
374 | signoff=--signoff | |
375 | ;; | |
376 | --no-signoff) | |
377 | signoff= | |
378 | ;; | |
379 | --committer-date-is-author-date|--ignore-date) | |
570ccad3 MB |
380 | git_am_opt="$git_am_opt $1" |
381 | force_rebase=t | |
382 | ;; | |
b6e9e73e NV |
383 | -C*) |
384 | git_am_opt="$git_am_opt $1" | |
67dad687 | 385 | ;; |
190f5323 TR |
386 | --root) |
387 | rebase_root=t | |
388 | ;; | |
b6e9e73e | 389 | --force-rebase|--no-ff) |
b2f82e05 SR |
390 | force_rebase=t |
391 | ;; | |
cb6020bb JH |
392 | --rerere-autoupdate|--no-rerere-autoupdate) |
393 | allow_rerere_autoupdate="$1" | |
394 | ;; | |
3ee5e540 NV |
395 | --gpg-sign) |
396 | gpg_sign_opt=-S | |
397 | ;; | |
398 | --gpg-sign=*) | |
399 | gpg_sign_opt="-S${1#--gpg-sign=}" | |
400 | ;; | |
45e2acf3 MZ |
401 | --) |
402 | shift | |
e646c9c8 JH |
403 | break |
404 | ;; | |
697bc885 BC |
405 | *) |
406 | usage | |
407 | ;; | |
e646c9c8 JH |
408 | esac |
409 | shift | |
410 | done | |
51b2ead0 | 411 | test $# -gt 2 && usage |
2db8aaec | 412 | |
cf432ca0 MZ |
413 | if test -n "$action" |
414 | then | |
c7108bf9 | 415 | test -z "$in_progress" && die "$(gettext "No rebase in progress?")" |
2959c283 | 416 | # Only interactive rebase uses detailed reflog messages |
6d98d0c0 | 417 | if test -n "$interactive_rebase" && test "$GIT_REFLOG_ACTION" = rebase |
2959c283 MZ |
418 | then |
419 | GIT_REFLOG_ACTION="rebase -i ($action)" | |
420 | export GIT_REFLOG_ACTION | |
421 | fi | |
cf432ca0 | 422 | fi |
34262322 | 423 | |
6d98d0c0 | 424 | if test "$action" = "edit-todo" && test -z "$interactive_rebase" |
eb9a7cb4 AW |
425 | then |
426 | die "$(gettext "The --edit-todo action can only be used during interactive rebase.")" | |
427 | fi | |
428 | ||
34262322 MZ |
429 | case "$action" in |
430 | continue) | |
2959c283 MZ |
431 | # Sanity check |
432 | git rev-parse --verify HEAD >/dev/null || | |
c7108bf9 | 433 | die "$(gettext "Cannot read HEAD")" |
34262322 MZ |
434 | git update-index --ignore-submodules --refresh && |
435 | git diff-files --quiet --ignore-submodules || { | |
c7108bf9 JX |
436 | echo "$(gettext "You must edit all merge conflicts and then |
437 | mark them as resolved using git add")" | |
34262322 MZ |
438 | exit 1 |
439 | } | |
fa99c1e1 MZ |
440 | read_basic_state |
441 | run_specific_rebase | |
34262322 MZ |
442 | ;; |
443 | skip) | |
4974c2ca | 444 | output git reset --hard HEAD || exit $? |
fa99c1e1 MZ |
445 | read_basic_state |
446 | run_specific_rebase | |
34262322 MZ |
447 | ;; |
448 | abort) | |
449 | git rerere clear | |
fa99c1e1 | 450 | read_basic_state |
34262322 MZ |
451 | case "$head_name" in |
452 | refs/*) | |
ea69619c | 453 | git symbolic-ref -m "rebase: aborting" HEAD $head_name || |
c7108bf9 | 454 | die "$(eval_gettext "Could not move back to \$head_name")" |
34262322 MZ |
455 | ;; |
456 | esac | |
4974c2ca | 457 | output git reset --hard $orig_head |
58794775 | 458 | finish_rebase |
34262322 MZ |
459 | exit |
460 | ;; | |
9512177b NTND |
461 | quit) |
462 | exec rm -rf "$state_dir" | |
463 | ;; | |
eb9a7cb4 AW |
464 | edit-todo) |
465 | run_specific_rebase | |
466 | ;; | |
66335298 NTND |
467 | show-current-patch) |
468 | run_specific_rebase | |
469 | die "BUG: run_specific_rebase is not supposed to return here" | |
470 | ;; | |
34262322 MZ |
471 | esac |
472 | ||
99de0640 MZ |
473 | # Make sure no rebase is in progress |
474 | if test -n "$in_progress" | |
7f4bd5d8 | 475 | then |
c7108bf9 JX |
476 | state_dir_base=${state_dir##*/} |
477 | cmd_live_rebase="git rebase (--continue | --abort | --skip)" | |
478 | cmd_clear_stale_rebase="rm -fr \"$state_dir\"" | |
479 | die " | |
480 | $(eval_gettext 'It seems that there is already a $state_dir_base directory, and | |
e39beac6 | 481 | I wonder if you are in the middle of another rebase. If that is the |
99de0640 | 482 | case, please try |
c7108bf9 | 483 | $cmd_live_rebase |
99de0640 | 484 | If that is not the case, please |
c7108bf9 | 485 | $cmd_clear_stale_rebase |
9b752a6e | 486 | and run me again. I am stopping in case you still have something |
c7108bf9 | 487 | valuable there.')" |
7f4bd5d8 JH |
488 | fi |
489 | ||
df5df20c CW |
490 | if test -n "$rebase_root" && test -z "$onto" |
491 | then | |
492 | test -z "$interactive_rebase" && interactive_rebase=implied | |
493 | fi | |
494 | ||
da27a6fb PW |
495 | if test -n "$keep_empty" |
496 | then | |
497 | test -z "$interactive_rebase" && interactive_rebase=implied | |
df5df20c CW |
498 | fi |
499 | ||
cf432ca0 MZ |
500 | if test -n "$interactive_rebase" |
501 | then | |
6d98d0c0 AG |
502 | if test -z "$preserve_merges" |
503 | then | |
504 | type=interactive | |
505 | else | |
506 | type=preserve-merges | |
507 | fi | |
508 | ||
cf432ca0 MZ |
509 | state_dir="$merge_dir" |
510 | elif test -n "$do_merge" | |
511 | then | |
512 | type=merge | |
513 | state_dir="$merge_dir" | |
514 | else | |
515 | type=am | |
516 | state_dir="$apply_dir" | |
517 | fi | |
518 | ||
9eaa858e KW |
519 | if test -t 2 && test -z "$GIT_QUIET" |
520 | then | |
521 | git_format_patch_opt="$git_format_patch_opt --progress" | |
522 | fi | |
523 | ||
a852ec7f PW |
524 | if test -n "$signoff" |
525 | then | |
b79966aa PW |
526 | test -n "$preserve_merges" && |
527 | die "$(gettext "error: cannot combine '--signoff' with '--preserve-merges'")" | |
a852ec7f PW |
528 | git_am_opt="$git_am_opt $signoff" |
529 | force_rebase=t | |
530 | fi | |
531 | ||
190f5323 TR |
532 | if test -z "$rebase_root" |
533 | then | |
15a147e6 MZ |
534 | case "$#" in |
535 | 0) | |
536 | if ! upstream_name=$(git rev-parse --symbolic-full-name \ | |
537 | --verify -q @{upstream} 2>/dev/null) | |
538 | then | |
539 | . git-parse-remote | |
540 | error_on_missing_default_upstream "rebase" "rebase" \ | |
c36d8eee | 541 | "against" "git rebase $(gettext '<branch>')" |
15a147e6 | 542 | fi |
ad8261d2 JK |
543 | |
544 | test "$fork_point" = auto && fork_point=t | |
15a147e6 MZ |
545 | ;; |
546 | *) upstream_name="$1" | |
4f407407 BG |
547 | if test "$upstream_name" = "-" |
548 | then | |
549 | upstream_name="@{-1}" | |
550 | fi | |
15a147e6 MZ |
551 | shift |
552 | ;; | |
553 | esac | |
2e6e276d | 554 | upstream=$(peel_committish "${upstream_name}") || |
ca7de7b1 | 555 | die "$(eval_gettext "invalid upstream '\$upstream_name'")" |
190f5323 TR |
556 | upstream_arg="$upstream_name" |
557 | else | |
df5df20c CW |
558 | if test -z "$onto" |
559 | then | |
728fc79c EP |
560 | empty_tree=$(git hash-object -t tree /dev/null) |
561 | onto=$(git commit-tree $empty_tree </dev/null) | |
df5df20c CW |
562 | squash_onto="$onto" |
563 | fi | |
190f5323 TR |
564 | unset upstream_name |
565 | unset upstream | |
f2b6a199 | 566 | test $# -gt 1 && usage |
46df82d5 | 567 | upstream_arg=--root |
190f5323 | 568 | fi |
32d99544 | 569 | |
a1bf91e0 | 570 | # Make sure the branch to rebase onto is valid. |
6bb4e485 | 571 | onto_name=${onto-"$upstream_name"} |
9f21e97d NS |
572 | case "$onto_name" in |
573 | *...*) | |
574 | if left=${onto_name%...*} right=${onto_name#*...} && | |
575 | onto=$(git merge-base --all ${left:-HEAD} ${right:-HEAD}) | |
576 | then | |
577 | case "$onto" in | |
578 | ?*"$LF"?*) | |
c7108bf9 | 579 | die "$(eval_gettext "\$onto_name: there are more than one merge bases")" |
9f21e97d NS |
580 | ;; |
581 | '') | |
c7108bf9 | 582 | die "$(eval_gettext "\$onto_name: there is no merge base")" |
9f21e97d NS |
583 | ;; |
584 | esac | |
585 | else | |
c7108bf9 | 586 | die "$(eval_gettext "\$onto_name: there is no merge base")" |
9f21e97d NS |
587 | fi |
588 | ;; | |
589 | *) | |
2e6e276d | 590 | onto=$(peel_committish "$onto_name") || |
c7108bf9 | 591 | die "$(eval_gettext "Does not point to a valid commit: \$onto_name")" |
9f21e97d NS |
592 | ;; |
593 | esac | |
a1bf91e0 | 594 | |
0cb06644 | 595 | # If the branch to rebase is given, that is the branch we will rebase |
3a9156ad | 596 | # $branch_name -- branch/commit being rebased, or HEAD (already detached) |
0cb06644 JH |
597 | # $orig_head -- commit object name of tip of the branch before rebasing |
598 | # $head_name -- refs/heads/<that-branch> or "detached HEAD" | |
599 | switch_to= | |
59e6b23a | 600 | case "$#" in |
190f5323 | 601 | 1) |
0cb06644 | 602 | # Is it "rebase other $branchname" or "rebase other $commit"? |
190f5323 TR |
603 | branch_name="$1" |
604 | switch_to="$1" | |
0cb06644 | 605 | |
3a9156ad KS |
606 | # Is it a local branch? |
607 | if git show-ref --verify --quiet -- "refs/heads/$branch_name" && | |
608 | orig_head=$(git rev-parse -q --verify "refs/heads/$branch_name") | |
0cb06644 | 609 | then |
3a9156ad KS |
610 | head_name="refs/heads/$branch_name" |
611 | # If not is it a valid ref (branch or commit)? | |
612 | elif orig_head=$(git rev-parse -q --verify "$branch_name") | |
0cb06644 JH |
613 | then |
614 | head_name="detached HEAD" | |
3a9156ad | 615 | |
0cb06644 | 616 | else |
ca7de7b1 | 617 | die "$(eval_gettext "fatal: no such branch/commit '\$branch_name'")" |
0cb06644 | 618 | fi |
e646c9c8 | 619 | ;; |
f2b6a199 | 620 | 0) |
0cb06644 | 621 | # Do not need to switch branches, we are already on it. |
728fc79c | 622 | if branch_name=$(git symbolic-ref -q HEAD) |
bcf31618 | 623 | then |
0cb06644 | 624 | head_name=$branch_name |
728fc79c | 625 | branch_name=$(expr "z$branch_name" : 'zrefs/heads/\(.*\)') |
bcf31618 | 626 | else |
0cb06644 | 627 | head_name="detached HEAD" |
3a9156ad | 628 | branch_name=HEAD |
bcf31618 | 629 | fi |
ea709800 | 630 | orig_head=$(git rev-parse --verify HEAD) || exit |
e646c9c8 | 631 | ;; |
f2b6a199 MZ |
632 | *) |
633 | die "BUG: unexpected number of arguments left to parse" | |
634 | ;; | |
59e6b23a JH |
635 | esac |
636 | ||
ad8261d2 JK |
637 | if test "$fork_point" = t |
638 | then | |
bb3f4583 JK |
639 | new_upstream=$(git merge-base --fork-point "$upstream_name" \ |
640 | "${switch_to:-HEAD}") | |
ad8261d2 JK |
641 | if test -n "$new_upstream" |
642 | then | |
1e0dacdb | 643 | restrict_revision=$new_upstream |
ad8261d2 JK |
644 | fi |
645 | fi | |
646 | ||
58794775 RR |
647 | if test "$autostash" = true && ! (require_clean_work_tree) 2>/dev/null |
648 | then | |
649 | stash_sha1=$(git stash create "autostash") || | |
650 | die "$(gettext 'Cannot autostash')" | |
651 | ||
652 | mkdir -p "$state_dir" && | |
653 | echo $stash_sha1 >"$state_dir/autostash" && | |
654 | stash_abbrev=$(git rev-parse --short $stash_sha1) && | |
655 | echo "$(eval_gettext 'Created autostash: $stash_abbrev')" && | |
656 | git reset --hard | |
657 | fi | |
658 | ||
c7108bf9 | 659 | require_clean_work_tree "rebase" "$(gettext "Please commit or stash them.")" |
8f9bfb64 | 660 | |
cb82a05d MZ |
661 | # Now we are rebasing commits $upstream..$orig_head (or with --root, |
662 | # everything leading up to $orig_head) on top of $onto | |
e646c9c8 | 663 | |
1308c17b | 664 | # Check if we are already based on $onto with linear history, |
cc1453e1 MZ |
665 | # but this should be done only when upstream and onto are the same |
666 | # and if this is not an interactive rebase. | |
cb82a05d | 667 | mb=$(git merge-base "$onto" "$orig_head") |
6d98d0c0 | 668 | if test -z "$interactive_rebase" && test "$upstream" = "$onto" && |
1e0dacdb | 669 | test "$mb" = "$onto" && test -z "$restrict_revision" && |
1308c17b | 670 | # linear history? |
cb82a05d | 671 | ! (git rev-list --parents "$onto".."$orig_head" | sane_grep " .* ") > /dev/null |
7f4bd5d8 | 672 | then |
b2f82e05 SR |
673 | if test -z "$force_rebase" |
674 | then | |
675 | # Lazily switch to the target branch if needed... | |
4b03df21 RR |
676 | test -z "$switch_to" || |
677 | GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to" \ | |
22946a94 | 678 | git checkout -q "$switch_to" -- |
08e66700 KS |
679 | if test "$branch_name" = "HEAD" && |
680 | ! git symbolic-ref -q HEAD | |
681 | then | |
682 | say "$(eval_gettext "HEAD is up to date.")" | |
683 | else | |
684 | say "$(eval_gettext "Current branch \$branch_name is up to date.")" | |
685 | fi | |
96e2b99e | 686 | finish_rebase |
b2f82e05 SR |
687 | exit 0 |
688 | else | |
08e66700 KS |
689 | if test "$branch_name" = "HEAD" && |
690 | ! git symbolic-ref -q HEAD | |
691 | then | |
692 | say "$(eval_gettext "HEAD is up to date, rebase forced.")" | |
693 | else | |
694 | say "$(eval_gettext "Current branch \$branch_name is up to date, rebase forced.")" | |
695 | fi | |
b2f82e05 | 696 | fi |
7f4bd5d8 JH |
697 | fi |
698 | ||
8f9bfb64 MZ |
699 | # If a hook exists, give it a chance to interrupt |
700 | run_pre_rebase_hook "$upstream_arg" "$@" | |
701 | ||
a9c3821c TAV |
702 | if test -n "$diffstat" |
703 | then | |
704 | if test -n "$verbose" | |
705 | then | |
c7108bf9 | 706 | echo "$(eval_gettext "Changes from \$mb to \$onto:")" |
a9c3821c TAV |
707 | fi |
708 | # We want color (if set), but no pager | |
709 | GIT_PAGER='' git diff --stat --summary "$mb" "$onto" | |
710 | fi | |
711 | ||
6d98d0c0 | 712 | test -n "$interactive_rebase" && run_specific_rebase |
f4107d9c MZ |
713 | |
714 | # Detach HEAD and reset the tree | |
c7108bf9 | 715 | say "$(gettext "First, rewinding head to replay your work on top of it...")" |
4b03df21 RR |
716 | |
717 | GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name" \ | |
718 | git checkout -q "$onto^0" || die "could not detach HEAD" | |
cb82a05d | 719 | git update-ref ORIG_HEAD $orig_head |
f4107d9c | 720 | |
e646c9c8 | 721 | # If the $onto is a proper descendant of the tip of the branch, then |
a75d7b54 | 722 | # we just fast-forwarded. |
cb82a05d | 723 | if test "$mb" = "$orig_head" |
32d99544 | 724 | then |
c7108bf9 | 725 | say "$(eval_gettext "Fast-forwarded \$branch_name to \$onto_name.")" |
6fd2f5e6 | 726 | move_to_original_branch |
af2f0ebc | 727 | finish_rebase |
32d99544 LS |
728 | exit 0 |
729 | fi | |
730 | ||
190f5323 TR |
731 | if test -n "$rebase_root" |
732 | then | |
733 | revisions="$onto..$orig_head" | |
734 | else | |
1e0dacdb | 735 | revisions="${restrict_revision-$upstream}..$orig_head" |
190f5323 TR |
736 | fi |
737 | ||
fa99c1e1 | 738 | run_specific_rebase |