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Commit | Line | Data |
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11d62145 JN |
1 | # This shell script fragment is sourced by git-rebase to implement |
2 | # its interactive mode. "git rebase --interactive" makes it easy | |
3 | # to fix up commits in the middle of a series and rearrange commits. | |
1b1dce4b JS |
4 | # |
5 | # Copyright (c) 2006 Johannes E. Schindelin | |
1b1dce4b JS |
6 | # |
7 | # The original idea comes from Eric W. Biederman, in | |
5840eb9d | 8 | # https://public-inbox.org/git/m1odwkyuf5.fsf_-_@ebiederm.dsl.xmission.com/ |
572a7c52 | 9 | # |
80883bb3 MH |
10 | # The file containing rebase commands, comments, and empty lines. |
11 | # This file is created by "git rebase -i" then edited by the user. As | |
12 | # the lines are processed, they are removed from the front of this | |
6bb4e485 | 13 | # file and written to the tail of $done. |
431b7e78 | 14 | todo="$state_dir"/git-rebase-todo |
80883bb3 MH |
15 | |
16 | # The rebase command lines that have already been processed. A line | |
17 | # is moved here when it is first handled, before any associated user | |
18 | # actions. | |
431b7e78 | 19 | done="$state_dir"/done |
80883bb3 MH |
20 | |
21 | # The commit message that is planned to be used for any changes that | |
22 | # need to be committed following a user interaction. | |
431b7e78 | 23 | msg="$state_dir"/message |
80883bb3 MH |
24 | |
25 | # The file into which is accumulated the suggested commit message for | |
26 | # squash/fixup commands. When the first of a series of squash/fixups | |
27 | # is seen, the file is created and the commit message from the | |
28 | # previous commit and from the first squash/fixup commit are written | |
29 | # to it. The commit message for each subsequent squash/fixup commit | |
30 | # is appended to the file as it is processed. | |
31 | # | |
32 | # The first line of the file is of the form | |
6bb4e485 MZ |
33 | # # This is a combination of $count commits. |
34 | # where $count is the number of commits whose messages have been | |
80883bb3 MH |
35 | # written to the file so far (including the initial "pick" commit). |
36 | # Each time that a commit message is processed, this line is read and | |
37 | # updated. It is deleted just before the combined commit is made. | |
431b7e78 | 38 | squash_msg="$state_dir"/message-squash |
80883bb3 | 39 | |
a25eb139 MH |
40 | # If the current series of squash/fixups has not yet included a squash |
41 | # command, then this file exists and holds the commit message of the | |
42 | # original "pick" commit. (If the series ends without a "squash" | |
43 | # command, then this can be used as the commit message of the combined | |
44 | # commit without opening the editor.) | |
431b7e78 | 45 | fixup_msg="$state_dir"/message-fixup |
a25eb139 | 46 | |
6bb4e485 MZ |
47 | # $rewritten is the name of a directory containing files for each |
48 | # commit that is reachable by at least one merge base of $head and | |
49 | # $upstream. They are not necessarily rewritten, but their children | |
80883bb3 MH |
50 | # might be. This ensures that commits on merged, but otherwise |
51 | # unrelated side branches are left alone. (Think "X" in the man page's | |
52 | # example.) | |
431b7e78 | 53 | rewritten="$state_dir"/rewritten |
80883bb3 | 54 | |
431b7e78 | 55 | dropped="$state_dir"/dropped |
0aac0de4 | 56 | |
b71dc3e1 ZK |
57 | end="$state_dir"/end |
58 | msgnum="$state_dir"/msgnum | |
59 | ||
0aac0de4 MH |
60 | # A script to set the GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and |
61 | # GIT_AUTHOR_DATE that will be used for the commit that is currently | |
62 | # being rebased. | |
431b7e78 | 63 | author_script="$state_dir"/author-script |
0aac0de4 | 64 | |
a4049ae7 MH |
65 | # When an "edit" rebase command is being processed, the SHA1 of the |
66 | # commit to be edited is recorded in this file. When "git rebase | |
67 | # --continue" is executed, if there are any staged changes then they | |
68 | # will be amended to the HEAD commit, but only provided the HEAD | |
69 | # commit is still the commit to be edited. When any other rebase | |
70 | # command is processed, this file is deleted. | |
431b7e78 | 71 | amend="$state_dir"/amend |
a4049ae7 | 72 | |
b079feed TR |
73 | # For the post-rewrite hook, we make a list of rewritten commits and |
74 | # their new sha1s. The rewritten-pending list keeps the sha1s of | |
75 | # commits that have been processed, but not committed yet, | |
76 | # e.g. because they are waiting for a 'squash' command. | |
431b7e78 MZ |
77 | rewritten_list="$state_dir"/rewritten-list |
78 | rewritten_pending="$state_dir"/rewritten-pending | |
6bb4e485 | 79 | |
39743cf5 JH |
80 | # Work around Git for Windows' Bash whose "read" does not strip CRLF |
81 | # and leaves CR at the end instead. | |
82 | cr=$(printf "\015") | |
83 | ||
040fd39e | 84 | strategy_args=${strategy:+--strategy=$strategy} |
8e98b35f | 85 | test -n "$strategy_opts" && |
040fd39e FR |
86 | eval ' |
87 | for strategy_opt in '"$strategy_opts"' | |
88 | do | |
89 | strategy_args="$strategy_args -X$(git rev-parse --sq-quote "${strategy_opt#--}")" | |
90 | done | |
91 | ' | |
db2b3b82 | 92 | |
89c7ae9c | 93 | GIT_CHERRY_PICK_HELP="$resolvemsg" |
804c7174 WC |
94 | export GIT_CHERRY_PICK_HELP |
95 | ||
882cd237 JS |
96 | comment_char=$(git config --get core.commentchar 2>/dev/null) |
97 | case "$comment_char" in | |
98 | '' | auto) | |
99 | comment_char="#" | |
100 | ;; | |
101 | ?) | |
102 | ;; | |
103 | *) | |
104 | comment_char=$(echo "$comment_char" | cut -c1) | |
105 | ;; | |
106 | esac | |
180bad3d | 107 | |
1b1dce4b | 108 | warn () { |
938791cd | 109 | printf '%s\n' "$*" >&2 |
1b1dce4b JS |
110 | } |
111 | ||
ee0a4afb MH |
112 | # Output the commit message for the specified commit. |
113 | commit_message () { | |
114 | git cat-file commit "$1" | sed "1,/^$/d" | |
115 | } | |
116 | ||
6bb4e485 | 117 | orig_reflog_action="$GIT_REFLOG_ACTION" |
1b1dce4b JS |
118 | |
119 | comment_for_reflog () { | |
6bb4e485 | 120 | case "$orig_reflog_action" in |
1b1dce4b JS |
121 | ''|rebase*) |
122 | GIT_REFLOG_ACTION="rebase -i ($1)" | |
123 | export GIT_REFLOG_ACTION | |
376ccb8c | 124 | ;; |
1b1dce4b JS |
125 | esac |
126 | } | |
127 | ||
4e673877 | 128 | last_count= |
1b1dce4b | 129 | mark_action_done () { |
6bb4e485 MZ |
130 | sed -e 1q < "$todo" >> "$done" |
131 | sed -e 1d < "$todo" >> "$todo".new | |
132 | mv -f "$todo".new "$todo" | |
d9497518 | 133 | new_count=$(( $(git stripspace --strip-comments <"$done" | wc -l) )) |
b71dc3e1 | 134 | echo $new_count >"$msgnum" |
180bad3d | 135 | total=$(($new_count + $(git stripspace --strip-comments <"$todo" | wc -l))) |
b71dc3e1 | 136 | echo $total >"$end" |
6bb4e485 | 137 | if test "$last_count" != "$new_count" |
4e673877 | 138 | then |
6bb4e485 | 139 | last_count=$new_count |
9588c52b | 140 | eval_gettext "Rebasing (\$new_count/\$total)"; printf "\r" |
6bb4e485 | 141 | test -z "$verbose" || echo |
4e673877 | 142 | fi |
1b1dce4b JS |
143 | } |
144 | ||
8cbc57ca PH |
145 | # Put the last action marked done at the beginning of the todo list |
146 | # again. If there has not been an action marked done yet, leave the list of | |
147 | # items on the todo list unchanged. | |
148 | reschedule_last_action () { | |
149 | tail -n 1 "$done" | cat - "$todo" >"$todo".new | |
150 | sed -e \$d <"$done" >"$done".new | |
151 | mv -f "$todo".new "$todo" | |
152 | mv -f "$done".new "$done" | |
153 | } | |
154 | ||
fcc5ef1c | 155 | append_todo_help () { |
b8fc9e43 | 156 | gettext " |
180bad3d JK |
157 | Commands: |
158 | p, pick = use commit | |
159 | r, reword = use commit, but edit the commit message | |
160 | e, edit = use commit, but stop for amending | |
161 | s, squash = use commit, but meld into previous commit | |
b8fc9e43 | 162 | f, fixup = like \"squash\", but discard this commit's log message |
180bad3d | 163 | x, exec = run command (the rest of the line) using shell |
c9266d58 | 164 | d, drop = remove commit |
180bad3d JK |
165 | |
166 | These lines can be re-ordered; they are executed from top to bottom. | |
b8fc9e43 | 167 | " | git stripspace --comment-lines >>"$todo" |
180bad3d | 168 | |
37079959 GR |
169 | if test $(get_missing_commit_check_level) = error |
170 | then | |
b8fc9e43 | 171 | gettext " |
37079959 | 172 | Do not remove any line. Use 'drop' explicitly to remove a commit. |
b8fc9e43 | 173 | " | git stripspace --comment-lines >>"$todo" |
37079959 | 174 | else |
b8fc9e43 | 175 | gettext " |
180bad3d | 176 | If you remove a line here THAT COMMIT WILL BE LOST. |
b8fc9e43 | 177 | " | git stripspace --comment-lines >>"$todo" |
37079959 | 178 | fi |
fcc5ef1c AW |
179 | } |
180 | ||
1b1dce4b | 181 | make_patch () { |
4fb1a19d JS |
182 | sha1_and_parents="$(git rev-list --parents -1 "$1")" |
183 | case "$sha1_and_parents" in | |
184 | ?*' '?*' '?*) | |
185 | git diff --cc $sha1_and_parents | |
186 | ;; | |
187 | ?*' '?*) | |
188 | git diff-tree -p "$1^!" | |
189 | ;; | |
190 | *) | |
191 | echo "Root commit" | |
192 | ;; | |
431b7e78 | 193 | esac > "$state_dir"/patch |
6bb4e485 MZ |
194 | test -f "$msg" || |
195 | commit_message "$1" > "$msg" | |
196 | test -f "$author_script" || | |
197 | get_author_ident_from_commit "$1" > "$author_script" | |
1b1dce4b JS |
198 | } |
199 | ||
200 | die_with_patch () { | |
431b7e78 | 201 | echo "$1" > "$state_dir"/stopped-sha |
1b1dce4b JS |
202 | make_patch "$1" |
203 | die "$2" | |
204 | } | |
205 | ||
0becb3e4 AW |
206 | exit_with_patch () { |
207 | echo "$1" > "$state_dir"/stopped-sha | |
208 | make_patch $1 | |
209 | git rev-parse --verify HEAD > "$amend" | |
3ee5e540 | 210 | gpg_sign_opt_quoted=${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} |
9588c52b VA |
211 | warn "$(eval_gettext "\ |
212 | You can amend the commit now, with | |
213 | ||
214 | git commit --amend \$gpg_sign_opt_quoted | |
215 | ||
216 | Once you are satisfied with your changes, run | |
217 | ||
218 | git rebase --continue")" | |
0becb3e4 AW |
219 | warn |
220 | exit $2 | |
221 | } | |
222 | ||
c54b7817 | 223 | die_abort () { |
33ba9c64 | 224 | apply_autostash |
431b7e78 | 225 | rm -rf "$state_dir" |
c54b7817 JS |
226 | die "$1" |
227 | } | |
228 | ||
376ccb8c | 229 | has_action () { |
180bad3d | 230 | test -n "$(git stripspace --strip-comments <"$1")" |
376ccb8c JS |
231 | } |
232 | ||
90e1818f | 233 | is_empty_commit() { |
9588c52b VA |
234 | tree=$(git rev-parse -q --verify "$1"^{tree} 2>/dev/null) || { |
235 | sha1=$1 | |
236 | die "$(eval_gettext "\$sha1: not a commit that can be picked")" | |
237 | } | |
238 | ptree=$(git rev-parse -q --verify "$1"^^{tree} 2>/dev/null) || | |
239 | ptree=4b825dc642cb6eb9a060e54bf8d69288fbee4904 | |
90e1818f NH |
240 | test "$tree" = "$ptree" |
241 | } | |
242 | ||
98697784 PH |
243 | is_merge_commit() |
244 | { | |
245 | git rev-parse --verify --quiet "$1"^2 >/dev/null 2>&1 | |
246 | } | |
247 | ||
7756ecff MH |
248 | # Run command with GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and |
249 | # GIT_AUTHOR_DATE exported from the current environment. | |
250 | do_with_author () { | |
76c9c0db JH |
251 | ( |
252 | export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE | |
253 | "$@" | |
254 | ) | |
7756ecff MH |
255 | } |
256 | ||
821881d8 PO |
257 | git_sequence_editor () { |
258 | if test -z "$GIT_SEQUENCE_EDITOR" | |
259 | then | |
260 | GIT_SEQUENCE_EDITOR="$(git config sequence.editor)" | |
261 | if [ -z "$GIT_SEQUENCE_EDITOR" ] | |
262 | then | |
263 | GIT_SEQUENCE_EDITOR="$(git var GIT_EDITOR)" || return $? | |
264 | fi | |
265 | fi | |
266 | ||
267 | eval "$GIT_SEQUENCE_EDITOR" '"$@"' | |
268 | } | |
269 | ||
1b1dce4b | 270 | pick_one () { |
8e75abfd | 271 | ff=--ff |
90e1818f | 272 | |
8e75abfd | 273 | case "$1" in -n) sha1=$2; ff= ;; *) sha1=$1 ;; esac |
6bb4e485 | 274 | case "$force_rebase" in '') ;; ?*) ff= ;; esac |
9588c52b | 275 | output git rev-parse --verify $sha1 || die "$(eval_gettext "Invalid commit name: \$sha1")" |
90e1818f NH |
276 | |
277 | if is_empty_commit "$sha1" | |
278 | then | |
279 | empty_args="--allow-empty" | |
280 | fi | |
281 | ||
6bb4e485 | 282 | test -d "$rewritten" && |
f09c9b8c | 283 | pick_one_preserving_merges "$@" && return |
3ee5e540 NV |
284 | output eval git cherry-pick \ |
285 | ${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} \ | |
286 | "$strategy_args" $empty_args $ff "$@" | |
8cbc57ca PH |
287 | |
288 | # If cherry-pick dies it leaves the to-be-picked commit unrecorded. Reschedule | |
289 | # previous task so this commit is not lost. | |
290 | ret=$? | |
291 | case "$ret" in [01]) ;; *) reschedule_last_action ;; esac | |
292 | return $ret | |
1b1dce4b JS |
293 | } |
294 | ||
f09c9b8c | 295 | pick_one_preserving_merges () { |
71d9451e TR |
296 | fast_forward=t |
297 | case "$1" in | |
298 | -n) | |
299 | fast_forward=f | |
300 | sha1=$2 | |
301 | ;; | |
302 | *) | |
303 | sha1=$1 | |
304 | ;; | |
305 | esac | |
f09c9b8c JS |
306 | sha1=$(git rev-parse $sha1) |
307 | ||
431b7e78 | 308 | if test -f "$state_dir"/current-commit |
f09c9b8c | 309 | then |
4c1360f4 | 310 | if test "$fast_forward" = t |
bb645071 | 311 | then |
41f556b9 | 312 | while read current_commit |
bb645071 | 313 | do |
6bb4e485 | 314 | git rev-parse HEAD > "$rewritten"/$current_commit |
431b7e78 MZ |
315 | done <"$state_dir"/current-commit |
316 | rm "$state_dir"/current-commit || | |
9588c52b | 317 | die "$(gettext "Cannot write current commit's replacement sha1")" |
bb645071 | 318 | fi |
f09c9b8c JS |
319 | fi |
320 | ||
431b7e78 | 321 | echo $sha1 >> "$state_dir"/current-commit |
a96dc01e | 322 | |
f09c9b8c | 323 | # rewrite parents; if none were rewritten, we can fast-forward. |
f09c9b8c | 324 | new_parents= |
d911d146 TR |
325 | pend=" $(git rev-list --parents -1 $sha1 | cut -d' ' -s -f2-)" |
326 | if test "$pend" = " " | |
327 | then | |
328 | pend=" root" | |
329 | fi | |
faae853c | 330 | while [ "$pend" != "" ] |
f09c9b8c | 331 | do |
faae853c SH |
332 | p=$(expr "$pend" : ' \([^ ]*\)') |
333 | pend="${pend# $p}" | |
334 | ||
6bb4e485 | 335 | if test -f "$rewritten"/$p |
f09c9b8c | 336 | then |
6bb4e485 | 337 | new_p=$(cat "$rewritten"/$p) |
80fe82e4 SH |
338 | |
339 | # If the todo reordered commits, and our parent is marked for | |
340 | # rewriting, but hasn't been gotten to yet, assume the user meant to | |
341 | # drop it on top of the current HEAD | |
342 | if test -z "$new_p" | |
343 | then | |
344 | new_p=$(git rev-parse HEAD) | |
345 | fi | |
346 | ||
f09c9b8c JS |
347 | test $p != $new_p && fast_forward=f |
348 | case "$new_parents" in | |
349 | *$new_p*) | |
350 | ;; # do nothing; that parent is already there | |
351 | *) | |
352 | new_parents="$new_parents $new_p" | |
376ccb8c | 353 | ;; |
f09c9b8c | 354 | esac |
1c5fa0a1 | 355 | else |
6bb4e485 | 356 | if test -f "$dropped"/$p |
faae853c SH |
357 | then |
358 | fast_forward=f | |
6bb4e485 | 359 | replacement="$(cat "$dropped"/$p)" |
d911d146 TR |
360 | test -z "$replacement" && replacement=root |
361 | pend=" $replacement$pend" | |
faae853c SH |
362 | else |
363 | new_parents="$new_parents $p" | |
364 | fi | |
f09c9b8c JS |
365 | fi |
366 | done | |
367 | case $fast_forward in | |
368 | t) | |
9588c52b | 369 | output warn "$(eval_gettext "Fast-forward to \$sha1")" |
71d9451e | 370 | output git reset --hard $sha1 || |
9588c52b | 371 | die "$(eval_gettext "Cannot fast-forward to \$sha1")" |
f09c9b8c JS |
372 | ;; |
373 | f) | |
376ccb8c | 374 | first_parent=$(expr "$new_parents" : ' \([^ ]*\)') |
a4f25e36 SH |
375 | |
376 | if [ "$1" != "-n" ] | |
377 | then | |
378 | # detach HEAD to current parent | |
379 | output git checkout $first_parent 2> /dev/null || | |
9588c52b | 380 | die "$(eval_gettext "Cannot move HEAD to \$first_parent")" |
a4f25e36 | 381 | fi |
f09c9b8c | 382 | |
f09c9b8c | 383 | case "$new_parents" in |
376ccb8c | 384 | ' '*' '*) |
9588c52b | 385 | test "a$1" = a-n && die "$(eval_gettext "Refusing to squash a merge: \$sha1")" |
a4f25e36 | 386 | |
f09c9b8c | 387 | # redo merge |
6bb4e485 MZ |
388 | author_script_content=$(get_author_ident_from_commit $sha1) |
389 | eval "$author_script_content" | |
390 | msg_content="$(commit_message $sha1)" | |
f91333d6 BS |
391 | # No point in merging the first parent, that's HEAD |
392 | new_parents=${new_parents# $first_parent} | |
a9f739c1 | 393 | merge_args="--no-log --no-ff" |
db2b3b82 | 394 | if ! do_with_author output eval \ |
3ee5e540 NV |
395 | 'git merge ${gpg_sign_opt:+"$gpg_sign_opt"} \ |
396 | $merge_args $strategy_args -m "$msg_content" $new_parents' | |
f09c9b8c | 397 | then |
6bb4e485 | 398 | printf "%s\n" "$msg_content" > "$GIT_DIR"/MERGE_MSG |
9588c52b | 399 | die_with_patch $sha1 "$(eval_gettext "Error redoing merge \$sha1")" |
f09c9b8c | 400 | fi |
6bb4e485 | 401 | echo "$sha1 $(git rev-parse HEAD^0)" >> "$rewritten_list" |
f09c9b8c JS |
402 | ;; |
403 | *) | |
3ee5e540 NV |
404 | output eval git cherry-pick \ |
405 | ${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} \ | |
406 | "$strategy_args" "$@" || | |
9588c52b | 407 | die_with_patch $sha1 "$(eval_gettext "Could not pick \$sha1")" |
376ccb8c | 408 | ;; |
f09c9b8c | 409 | esac |
376ccb8c | 410 | ;; |
f09c9b8c JS |
411 | esac |
412 | } | |
413 | ||
f2d17068 VA |
414 | this_nth_commit_message () { |
415 | n=$1 | |
8aa6dc1d | 416 | eval_gettext "This is the commit message #\${n}:" |
f2d17068 | 417 | } |
8aa6dc1d | 418 | |
f2d17068 VA |
419 | skip_nth_commit_message () { |
420 | n=$1 | |
8aa6dc1d | 421 | eval_gettext "The commit message #\${n} will be skipped:" |
6368f3f8 JS |
422 | } |
423 | ||
a25eb139 | 424 | update_squash_messages () { |
6bb4e485 MZ |
425 | if test -f "$squash_msg"; then |
426 | mv "$squash_msg" "$squash_msg".bak || exit | |
427 | count=$(($(sed -n \ | |
356b8ecf | 428 | -e "1s/^$comment_char[^0-9]*\([0-9][0-9]*\).*/\1/p" \ |
6bb4e485 | 429 | -e "q" < "$squash_msg".bak)+1)) |
bde1a686 | 430 | { |
f2d17068 VA |
431 | printf '%s\n' "$comment_char $(eval_ngettext \ |
432 | "This is a combination of \$count commit." \ | |
433 | "This is a combination of \$count commits." \ | |
434 | $count)" | |
bde1a686 MH |
435 | sed -e 1d -e '2,/^./{ |
436 | /^$/d | |
6bb4e485 MZ |
437 | }' <"$squash_msg".bak |
438 | } >"$squash_msg" | |
6368f3f8 | 439 | else |
acefe2be JH |
440 | commit_message HEAD >"$fixup_msg" || |
441 | die "$(eval_gettext "Cannot write \$fixup_msg")" | |
6bb4e485 | 442 | count=2 |
bde1a686 | 443 | { |
f2d17068 VA |
444 | printf '%s\n' "$comment_char $(gettext "This is a combination of 2 commits.")" |
445 | printf '%s\n' "$comment_char $(gettext "This is the 1st commit message:")" | |
bde1a686 | 446 | echo |
6bb4e485 MZ |
447 | cat "$fixup_msg" |
448 | } >"$squash_msg" | |
6368f3f8 | 449 | fi |
0205e72f MH |
450 | case $1 in |
451 | squash) | |
6bb4e485 | 452 | rm -f "$fixup_msg" |
0205e72f | 453 | echo |
f2d17068 | 454 | printf '%s\n' "$comment_char $(this_nth_commit_message $count)" |
0205e72f | 455 | echo |
ee0a4afb | 456 | commit_message $2 |
0205e72f MH |
457 | ;; |
458 | fixup) | |
459 | echo | |
f2d17068 | 460 | printf '%s\n' "$comment_char $(skip_nth_commit_message $count)" |
0205e72f | 461 | echo |
180bad3d JK |
462 | # Change the space after the comment character to TAB: |
463 | commit_message $2 | git stripspace --comment-lines | sed -e 's/ / /' | |
0205e72f | 464 | ;; |
6bb4e485 | 465 | esac >>"$squash_msg" |
6368f3f8 JS |
466 | } |
467 | ||
468 | peek_next_command () { | |
180bad3d | 469 | git stripspace --strip-comments <"$todo" | sed -n -e 's/ .*//p' -e q |
6368f3f8 JS |
470 | } |
471 | ||
6bdcd0d2 MH |
472 | # A squash/fixup has failed. Prepare the long version of the squash |
473 | # commit message, then die_with_patch. This code path requires the | |
474 | # user to edit the combined commit message for all commits that have | |
475 | # been squashed/fixedup so far. So also erase the old squash | |
476 | # messages, effectively causing the combined commit to be used as the | |
477 | # new basis for any further squash/fixups. Args: sha1 rest | |
478 | die_failed_squash() { | |
9588c52b VA |
479 | sha1=$1 |
480 | rest=$2 | |
6bb4e485 MZ |
481 | mv "$squash_msg" "$msg" || exit |
482 | rm -f "$fixup_msg" | |
483 | cp "$msg" "$GIT_DIR"/MERGE_MSG || exit | |
6bdcd0d2 | 484 | warn |
9588c52b VA |
485 | warn "$(eval_gettext "Could not apply \$sha1... \$rest")" |
486 | die_with_patch $sha1 "" | |
6bdcd0d2 MH |
487 | } |
488 | ||
b079feed | 489 | flush_rewritten_pending() { |
6bb4e485 | 490 | test -s "$rewritten_pending" || return |
b079feed | 491 | newsha1="$(git rev-parse HEAD^0)" |
6bb4e485 MZ |
492 | sed "s/$/ $newsha1/" < "$rewritten_pending" >> "$rewritten_list" |
493 | rm -f "$rewritten_pending" | |
b079feed TR |
494 | } |
495 | ||
496 | record_in_rewritten() { | |
497 | oldsha1="$(git rev-parse $1)" | |
6bb4e485 | 498 | echo "$oldsha1" >> "$rewritten_pending" |
b079feed TR |
499 | |
500 | case "$(peek_next_command)" in | |
41f556b9 | 501 | squash|s|fixup|f) |
b079feed | 502 | ;; |
41f556b9 | 503 | *) |
b079feed TR |
504 | flush_rewritten_pending |
505 | ;; | |
506 | esac | |
507 | } | |
508 | ||
df5df20c | 509 | do_pick () { |
9588c52b VA |
510 | sha1=$1 |
511 | rest=$2 | |
df5df20c CW |
512 | if test "$(git rev-parse HEAD)" = "$squash_onto" |
513 | then | |
514 | # Set the correct commit message and author info on the | |
515 | # sentinel root before cherry-picking the original changes | |
516 | # without committing (-n). Finally, update the sentinel again | |
517 | # to include these changes. If the cherry-pick results in a | |
518 | # conflict, this means our behaviour is similar to a standard | |
519 | # failed cherry-pick during rebase, with a dirty index to | |
520 | # resolve before manually running git commit --amend then git | |
521 | # rebase --continue. | |
522 | git commit --allow-empty --allow-empty-message --amend \ | |
9588c52b VA |
523 | --no-post-rewrite -n -q -C $sha1 && |
524 | pick_one -n $sha1 && | |
df5df20c | 525 | git commit --allow-empty --allow-empty-message \ |
9588c52b | 526 | --amend --no-post-rewrite -n -q -C $sha1 \ |
3ee5e540 | 527 | ${gpg_sign_opt:+"$gpg_sign_opt"} || |
9588c52b | 528 | die_with_patch $sha1 "$(eval_gettext "Could not apply \$sha1... \$rest")" |
df5df20c | 529 | else |
9588c52b VA |
530 | pick_one $sha1 || |
531 | die_with_patch $sha1 "$(eval_gettext "Could not apply \$sha1... \$rest")" | |
df5df20c CW |
532 | fi |
533 | } | |
534 | ||
1b1dce4b | 535 | do_next () { |
b12d3e90 | 536 | rm -f "$msg" "$author_script" "$amend" "$state_dir"/stopped-sha || exit |
6bb4e485 | 537 | read -r command sha1 rest < "$todo" |
1b1dce4b | 538 | case "$command" in |
c9266d58 | 539 | "$comment_char"*|''|noop|drop|d) |
1b1dce4b | 540 | mark_action_done |
1b1dce4b | 541 | ;; |
39743cf5 JH |
542 | "$cr") |
543 | # Work around CR left by "read" (e.g. with Git for Windows' Bash). | |
544 | mark_action_done | |
545 | ;; | |
f8babc4d | 546 | pick|p) |
1b1dce4b JS |
547 | comment_for_reflog pick |
548 | ||
549 | mark_action_done | |
df5df20c | 550 | do_pick $sha1 "$rest" |
b079feed | 551 | record_in_rewritten $sha1 |
1b1dce4b | 552 | ;; |
6741aa6c BG |
553 | reword|r) |
554 | comment_for_reflog reword | |
555 | ||
556 | mark_action_done | |
df5df20c | 557 | do_pick $sha1 "$rest" |
3ee5e540 | 558 | git commit --amend --no-post-rewrite ${gpg_sign_opt:+"$gpg_sign_opt"} || { |
9588c52b VA |
559 | warn "$(eval_gettext "\ |
560 | Could not amend commit after successfully picking \$sha1... \$rest | |
561 | This is most likely due to an empty commit message, or the pre-commit hook | |
562 | failed. If the pre-commit hook failed, you may need to resolve the issue before | |
563 | you are able to reword the commit.")" | |
0becb3e4 AW |
564 | exit_with_patch $sha1 1 |
565 | } | |
b079feed | 566 | record_in_rewritten $sha1 |
6741aa6c | 567 | ;; |
f8babc4d | 568 | edit|e) |
1b1dce4b JS |
569 | comment_for_reflog edit |
570 | ||
571 | mark_action_done | |
df5df20c | 572 | do_pick $sha1 "$rest" |
14c793e8 | 573 | sha1_abbrev=$(git rev-parse --short $sha1) |
9588c52b | 574 | warn "$(eval_gettext "Stopped at \$sha1_abbrev... \$rest")" |
0becb3e4 | 575 | exit_with_patch $sha1 0 |
1b1dce4b | 576 | ;; |
0205e72f MH |
577 | squash|s|fixup|f) |
578 | case "$command" in | |
579 | squash|s) | |
580 | squash_style=squash | |
581 | ;; | |
582 | fixup|f) | |
583 | squash_style=fixup | |
584 | ;; | |
585 | esac | |
586 | comment_for_reflog $squash_style | |
1b1dce4b | 587 | |
6bb4e485 | 588 | test -f "$done" && has_action "$done" || |
9588c52b | 589 | die "$(eval_gettext "Cannot '\$squash_style' without a previous commit")" |
1b1dce4b JS |
590 | |
591 | mark_action_done | |
a25eb139 | 592 | update_squash_messages $squash_style $sha1 |
6bb4e485 MZ |
593 | author_script_content=$(get_author_ident_from_commit HEAD) |
594 | echo "$author_script_content" > "$author_script" | |
595 | eval "$author_script_content" | |
2147f844 CW |
596 | if ! pick_one -n $sha1 |
597 | then | |
598 | git rev-parse --verify HEAD >"$amend" | |
599 | die_failed_squash $sha1 "$rest" | |
600 | fi | |
6368f3f8 | 601 | case "$(peek_next_command)" in |
0205e72f | 602 | squash|s|fixup|f) |
a25eb139 MH |
603 | # This is an intermediate commit; its message will only be |
604 | # used in case of trouble. So use the long version: | |
3ee5e540 NV |
605 | do_with_author output git commit --amend --no-verify -F "$squash_msg" \ |
606 | ${gpg_sign_opt:+"$gpg_sign_opt"} || | |
6bdcd0d2 | 607 | die_failed_squash $sha1 "$rest" |
376ccb8c | 608 | ;; |
6368f3f8 | 609 | *) |
a25eb139 | 610 | # This is the final command of this squash/fixup group |
6bb4e485 | 611 | if test -f "$fixup_msg" |
a25eb139 | 612 | then |
3ee5e540 NV |
613 | do_with_author git commit --amend --no-verify -F "$fixup_msg" \ |
614 | ${gpg_sign_opt:+"$gpg_sign_opt"} || | |
6bdcd0d2 MH |
615 | die_failed_squash $sha1 "$rest" |
616 | else | |
6bb4e485 | 617 | cp "$squash_msg" "$GIT_DIR"/SQUASH_MSG || exit |
6bdcd0d2 | 618 | rm -f "$GIT_DIR"/MERGE_MSG |
3ee5e540 NV |
619 | do_with_author git commit --amend --no-verify -F "$GIT_DIR"/SQUASH_MSG -e \ |
620 | ${gpg_sign_opt:+"$gpg_sign_opt"} || | |
6bdcd0d2 | 621 | die_failed_squash $sha1 "$rest" |
a25eb139 | 622 | fi |
6bb4e485 | 623 | rm -f "$squash_msg" "$fixup_msg" |
376ccb8c | 624 | ;; |
6368f3f8 | 625 | esac |
b079feed | 626 | record_in_rewritten $sha1 |
1b1dce4b | 627 | ;; |
cd035b1c | 628 | x|"exec") |
6bb4e485 | 629 | read -r command rest < "$todo" |
cd035b1c | 630 | mark_action_done |
9588c52b | 631 | eval_gettextln "Executing: \$rest" |
fe9394ad | 632 | "${SHELL:-@SHELL_PATH@}" -c "$rest" # Actual execution |
cd035b1c | 633 | status=$? |
1686519a JH |
634 | # Run in subshell because require_clean_work_tree can die. |
635 | dirty=f | |
636 | (require_clean_work_tree "rebase" 2>/dev/null) || dirty=t | |
cd035b1c MM |
637 | if test "$status" -ne 0 |
638 | then | |
9588c52b | 639 | warn "$(eval_gettext "Execution failed: \$rest")" |
1686519a | 640 | test "$dirty" = f || |
9588c52b | 641 | warn "$(gettext "and made changes to the index and/or the working tree")" |
1686519a | 642 | |
9588c52b VA |
643 | warn "$(gettext "\ |
644 | You can fix the problem, and then run | |
645 | ||
646 | git rebase --continue")" | |
cd035b1c | 647 | warn |
ecfe1ea9 JS |
648 | if test $status -eq 127 # command not found |
649 | then | |
650 | status=1 | |
651 | fi | |
cd035b1c | 652 | exit "$status" |
1686519a | 653 | elif test "$dirty" = t |
cd035b1c | 654 | then |
9588c52b VA |
655 | # TRANSLATORS: after these lines is a command to be issued by the user |
656 | warn "$(eval_gettext "\ | |
657 | Execution succeeded: \$rest | |
658 | but left changes to the index and/or the working tree | |
659 | Commit or stash your changes, and then run | |
660 | ||
661 | git rebase --continue")" | |
cd035b1c MM |
662 | warn |
663 | exit 1 | |
664 | fi | |
665 | ;; | |
1b1dce4b | 666 | *) |
9588c52b VA |
667 | warn "$(eval_gettext "Unknown command: \$command \$sha1 \$rest")" |
668 | fixtodo="$(gettext "Please fix this using 'git rebase --edit-todo'.")" | |
f1be316a JK |
669 | if git rev-parse --verify -q "$sha1" >/dev/null |
670 | then | |
9c8e1011 | 671 | die_with_patch $sha1 "$fixtodo" |
f1be316a | 672 | else |
9c8e1011 | 673 | die "$fixtodo" |
f1be316a | 674 | fi |
376ccb8c | 675 | ;; |
1b1dce4b | 676 | esac |
6bb4e485 | 677 | test -s "$todo" && return |
1b1dce4b | 678 | |
68a163c9 | 679 | comment_for_reflog finish && |
6bb4e485 | 680 | newhead=$(git rev-parse HEAD) && |
431b7e78 | 681 | case $head_name in |
73697a0b | 682 | refs/*) |
1af221ef | 683 | message="$GIT_REFLOG_ACTION: $head_name onto $onto" && |
431b7e78 | 684 | git update-ref -m "$message" $head_name $newhead $orig_head && |
53f2ffa8 JK |
685 | git symbolic-ref \ |
686 | -m "$GIT_REFLOG_ACTION: returning to $head_name" \ | |
687 | HEAD $head_name | |
73697a0b JS |
688 | ;; |
689 | esac && { | |
431b7e78 | 690 | test ! -f "$state_dir"/verbose || |
2959c283 | 691 | git diff-tree --stat $orig_head..HEAD |
3df0a859 | 692 | } && |
eb2151bb | 693 | { |
6bb4e485 MZ |
694 | test -s "$rewritten_list" && |
695 | git notes copy --for-rewrite=rebase < "$rewritten_list" || | |
eb2151bb TR |
696 | true # we don't care if this copying failed |
697 | } && | |
b849b954 NTND |
698 | hook="$(git rev-parse --git-path hooks/post-rewrite)" |
699 | if test -x "$hook" && test -s "$rewritten_list"; then | |
700 | "$hook" rebase < "$rewritten_list" | |
b079feed TR |
701 | true # we don't care if this hook failed |
702 | fi && | |
9588c52b | 703 | warn "$(eval_gettext "Successfully rebased and updated \$head_name.")" |
1b1dce4b | 704 | |
15d4bf2e | 705 | return 1 # not failure; just to break the do_rest loop |
1b1dce4b JS |
706 | } |
707 | ||
15d4bf2e | 708 | # can only return 0, when the infinite loop breaks |
1b1dce4b JS |
709 | do_rest () { |
710 | while : | |
711 | do | |
15d4bf2e | 712 | do_next || break |
1b1dce4b | 713 | done |
1b1dce4b JS |
714 | } |
715 | ||
0e757e30 JS |
716 | # skip picking commits whose parents are unchanged |
717 | skip_unnecessary_picks () { | |
718 | fd=3 | |
2d6ca6ef | 719 | while read -r command rest |
0e757e30 JS |
720 | do |
721 | # fd=3 means we skip the command | |
2d6ca6ef BC |
722 | case "$fd,$command" in |
723 | 3,pick|3,p) | |
6bb4e485 | 724 | # pick a commit whose parent is current $onto -> skip |
14d87298 | 725 | sha1=${rest%% *} |
2d6ca6ef | 726 | case "$(git rev-parse --verify --quiet "$sha1"^)" in |
6bb4e485 MZ |
727 | "$onto"*) |
728 | onto=$sha1 | |
2d6ca6ef BC |
729 | ;; |
730 | *) | |
731 | fd=1 | |
732 | ;; | |
733 | esac | |
0e757e30 | 734 | ;; |
7bca7afe | 735 | 3,"$comment_char"*|3,) |
0e757e30 JS |
736 | # copy comments |
737 | ;; | |
738 | *) | |
739 | fd=1 | |
740 | ;; | |
741 | esac | |
d1c3b10f | 742 | printf '%s\n' "$command${rest:+ }$rest" >&$fd |
6bb4e485 MZ |
743 | done <"$todo" >"$todo.new" 3>>"$done" && |
744 | mv -f "$todo".new "$todo" && | |
b079feed TR |
745 | case "$(peek_next_command)" in |
746 | squash|s|fixup|f) | |
6bb4e485 | 747 | record_in_rewritten "$onto" |
b079feed TR |
748 | ;; |
749 | esac || | |
9588c52b | 750 | die "$(gettext "Could not skip unnecessary pick commands")" |
0e757e30 JS |
751 | } |
752 | ||
75c69766 JH |
753 | transform_todo_ids () { |
754 | while read -r command rest | |
755 | do | |
756 | case "$command" in | |
757 | "$comment_char"* | exec) | |
758 | # Be careful for oddball commands like 'exec' | |
759 | # that do not have a SHA-1 at the beginning of $rest. | |
760 | ;; | |
761 | *) | |
31bff641 MM |
762 | sha1=$(git rev-parse --verify --quiet "$@" ${rest%%[ ]*}) && |
763 | rest="$sha1 ${rest#*[ ]}" | |
75c69766 JH |
764 | ;; |
765 | esac | |
766 | printf '%s\n' "$command${rest:+ }$rest" | |
767 | done <"$todo" >"$todo.new" && | |
768 | mv -f "$todo.new" "$todo" | |
769 | } | |
770 | ||
771 | expand_todo_ids() { | |
772 | transform_todo_ids | |
773 | } | |
774 | ||
775 | collapse_todo_ids() { | |
56895038 | 776 | transform_todo_ids --short |
75c69766 JH |
777 | } |
778 | ||
f59baa50 NS |
779 | # Rearrange the todo list that has both "pick sha1 msg" and |
780 | # "pick sha1 fixup!/squash! msg" appears in it so that the latter | |
781 | # comes immediately after the former, and change "pick" to | |
782 | # "fixup"/"squash". | |
16cf51c7 MR |
783 | # |
784 | # Note that if the config has specified a custom instruction format | |
785 | # each log message will be re-retrieved in order to normalize the | |
786 | # autosquash arrangement | |
f59baa50 | 787 | rearrange_squash () { |
68d5d03b KB |
788 | # extract fixup!/squash! lines and resolve any referenced sha1's |
789 | while read -r pick sha1 message | |
790 | do | |
16cf51c7 | 791 | test -z "${format}" || message=$(git log -n 1 --format="%s" ${sha1}) |
68d5d03b KB |
792 | case "$message" in |
793 | "squash! "*|"fixup! "*) | |
794 | action="${message%%!*}" | |
22c5b136 AP |
795 | rest=$message |
796 | prefix= | |
797 | # skip all squash! or fixup! (but save for later) | |
798 | while : | |
799 | do | |
800 | case "$rest" in | |
801 | "squash! "*|"fixup! "*) | |
802 | prefix="$prefix${rest%%!*}," | |
803 | rest="${rest#*! }" | |
804 | ;; | |
805 | *) | |
806 | break | |
807 | ;; | |
808 | esac | |
809 | done | |
47be0660 | 810 | printf '%s %s %s %s\n' "$sha1" "$action" "$prefix" "$rest" |
68d5d03b KB |
811 | # if it's a single word, try to resolve to a full sha1 and |
812 | # emit a second copy. This allows us to match on both message | |
813 | # and on sha1 prefix | |
814 | if test "${rest#* }" = "$rest"; then | |
815 | fullsha="$(git rev-parse -q --verify "$rest" 2>/dev/null)" | |
816 | if test -n "$fullsha"; then | |
817 | # prefix the action to uniquely identify this line as | |
818 | # intended for full sha1 match | |
22c5b136 | 819 | echo "$sha1 +$action $prefix $fullsha" |
68d5d03b KB |
820 | fi |
821 | fi | |
822 | esac | |
823 | done >"$1.sq" <"$1" | |
f59baa50 NS |
824 | test -s "$1.sq" || return |
825 | ||
826 | used= | |
57f2b6b2 | 827 | while read -r pick sha1 message |
f59baa50 NS |
828 | do |
829 | case " $used" in | |
830 | *" $sha1 "*) continue ;; | |
831 | esac | |
938791cd | 832 | printf '%s\n' "$pick $sha1 $message" |
16cf51c7 | 833 | test -z "${format}" || message=$(git log -n 1 --format="%s" ${sha1}) |
d3d7a421 | 834 | used="$used$sha1 " |
22c5b136 | 835 | while read -r squash action msg_prefix msg_content |
f59baa50 | 836 | do |
d3d7a421 KB |
837 | case " $used" in |
838 | *" $squash "*) continue ;; | |
839 | esac | |
68d5d03b KB |
840 | emit=0 |
841 | case "$action" in | |
842 | +*) | |
843 | action="${action#+}" | |
844 | # full sha1 prefix test | |
6bb4e485 | 845 | case "$msg_content" in "$sha1"*) emit=1;; esac ;; |
68d5d03b KB |
846 | *) |
847 | # message prefix test | |
6bb4e485 | 848 | case "$message" in "$msg_content"*) emit=1;; esac ;; |
68d5d03b KB |
849 | esac |
850 | if test $emit = 1; then | |
16cf51c7 MR |
851 | if test -n "${format}" |
852 | then | |
853 | msg_content=$(git log -n 1 --format="${format}" ${squash}) | |
854 | else | |
855 | msg_content="$(echo "$msg_prefix" | sed "s/,/! /g")$msg_content" | |
856 | fi | |
857 | printf '%s\n' "$action $squash $msg_content" | |
f59baa50 | 858 | used="$used$squash " |
68d5d03b | 859 | fi |
f59baa50 NS |
860 | done <"$1.sq" |
861 | done >"$1.rearranged" <"$1" | |
862 | cat "$1.rearranged" >"$1" | |
863 | rm -f "$1.sq" "$1.rearranged" | |
864 | } | |
865 | ||
c2145384 LK |
866 | # Add commands after a pick or after a squash/fixup serie |
867 | # in the todo list. | |
868 | add_exec_commands () { | |
869 | { | |
870 | first=t | |
871 | while read -r insn rest | |
872 | do | |
873 | case $insn in | |
874 | pick) | |
875 | test -n "$first" || | |
876 | printf "%s" "$cmd" | |
877 | ;; | |
878 | esac | |
879 | printf "%s %s\n" "$insn" "$rest" | |
880 | first= | |
881 | done | |
882 | printf "%s" "$cmd" | |
883 | } <"$1" >"$1.new" && | |
884 | mv "$1.new" "$1" | |
885 | } | |
886 | ||
804098bb GR |
887 | # Check if the SHA-1 passed as an argument is a |
888 | # correct one, if not then print $2 in "$todo".badsha | |
889 | # $1: the SHA-1 to test | |
1db168ee MM |
890 | # $2: the line number of the input |
891 | # $3: the input filename | |
804098bb GR |
892 | check_commit_sha () { |
893 | badsha=0 | |
268ef4d3 | 894 | if test -z "$1" |
804098bb GR |
895 | then |
896 | badsha=1 | |
897 | else | |
898 | sha1_verif="$(git rev-parse --verify --quiet $1^{commit})" | |
268ef4d3 | 899 | if test -z "$sha1_verif" |
804098bb GR |
900 | then |
901 | badsha=1 | |
902 | fi | |
903 | fi | |
904 | ||
905 | if test $badsha -ne 0 | |
906 | then | |
1db168ee | 907 | line="$(sed -n -e "${2}p" "$3")" |
9588c52b VA |
908 | warn "$(eval_gettext "\ |
909 | Warning: the SHA-1 is missing or isn't a commit in the following line: | |
910 | - \$line")" | |
804098bb GR |
911 | warn |
912 | fi | |
913 | ||
914 | return $badsha | |
915 | } | |
916 | ||
917 | # prints the bad commits and bad commands | |
918 | # from the todolist in stdin | |
919 | check_bad_cmd_and_sha () { | |
920 | retval=0 | |
1db168ee MM |
921 | lineno=0 |
922 | while read -r command rest | |
923 | do | |
924 | lineno=$(( $lineno + 1 )) | |
925 | case $command in | |
926 | "$comment_char"*|''|noop|x|exec) | |
927 | # Doesn't expect a SHA-1 | |
928 | ;; | |
39743cf5 JH |
929 | "$cr") |
930 | # Work around CR left by "read" (e.g. with Git for | |
931 | # Windows' Bash). | |
932 | ;; | |
1db168ee MM |
933 | pick|p|drop|d|reword|r|edit|e|squash|s|fixup|f) |
934 | if ! check_commit_sha "${rest%%[ ]*}" "$lineno" "$1" | |
935 | then | |
804098bb | 936 | retval=1 |
1db168ee MM |
937 | fi |
938 | ;; | |
939 | *) | |
940 | line="$(sed -n -e "${lineno}p" "$1")" | |
9588c52b VA |
941 | warn "$(eval_gettext "\ |
942 | Warning: the command isn't recognized in the following line: | |
943 | - \$line")" | |
1db168ee MM |
944 | warn |
945 | retval=1 | |
946 | ;; | |
947 | esac | |
948 | done <"$1" | |
949 | return $retval | |
804098bb GR |
950 | } |
951 | ||
37079959 GR |
952 | # Print the list of the SHA-1 of the commits |
953 | # from stdin to stdout | |
954 | todo_list_to_sha_list () { | |
955 | git stripspace --strip-comments | | |
956 | while read -r command sha1 rest | |
957 | do | |
958 | case $command in | |
959 | "$comment_char"*|''|noop|x|"exec") | |
960 | ;; | |
961 | *) | |
962 | long_sha=$(git rev-list --no-walk "$sha1" 2>/dev/null) | |
963 | printf "%s\n" "$long_sha" | |
964 | ;; | |
965 | esac | |
966 | done | |
967 | } | |
968 | ||
969 | # Use warn for each line in stdin | |
970 | warn_lines () { | |
971 | while read -r line | |
972 | do | |
973 | warn " - $line" | |
974 | done | |
975 | } | |
976 | ||
977 | # Switch to the branch in $into and notify it in the reflog | |
978 | checkout_onto () { | |
979 | GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name" | |
9588c52b | 980 | output git checkout $onto || die_abort "$(gettext "could not detach HEAD")" |
37079959 GR |
981 | git update-ref ORIG_HEAD $orig_head |
982 | } | |
983 | ||
984 | get_missing_commit_check_level () { | |
985 | check_level=$(git config --get rebase.missingCommitsCheck) | |
986 | check_level=${check_level:-ignore} | |
987 | # Don't be case sensitive | |
988 | printf '%s' "$check_level" | tr 'A-Z' 'a-z' | |
989 | } | |
990 | ||
991 | # Check if the user dropped some commits by mistake | |
992 | # Behaviour determined by rebase.missingCommitsCheck. | |
804098bb GR |
993 | # Check if there is an unrecognized command or a |
994 | # bad SHA-1 in a command. | |
37079959 GR |
995 | check_todo_list () { |
996 | raise_error=f | |
997 | ||
998 | check_level=$(get_missing_commit_check_level) | |
999 | ||
1000 | case "$check_level" in | |
1001 | warn|error) | |
1002 | # Get the SHA-1 of the commits | |
1003 | todo_list_to_sha_list <"$todo".backup >"$todo".oldsha1 | |
1004 | todo_list_to_sha_list <"$todo" >"$todo".newsha1 | |
1005 | ||
1006 | # Sort the SHA-1 and compare them | |
1007 | sort -u "$todo".oldsha1 >"$todo".oldsha1+ | |
1008 | mv "$todo".oldsha1+ "$todo".oldsha1 | |
1009 | sort -u "$todo".newsha1 >"$todo".newsha1+ | |
1010 | mv "$todo".newsha1+ "$todo".newsha1 | |
1011 | comm -2 -3 "$todo".oldsha1 "$todo".newsha1 >"$todo".miss | |
1012 | ||
1013 | # Warn about missing commits | |
1014 | if test -s "$todo".miss | |
1015 | then | |
1016 | test "$check_level" = error && raise_error=t | |
1017 | ||
9588c52b VA |
1018 | warn "$(gettext "\ |
1019 | Warning: some commits may have been dropped accidentally. | |
1020 | Dropped commits (newer to older):")" | |
37079959 GR |
1021 | |
1022 | # Make the list user-friendly and display | |
1023 | opt="--no-walk=sorted --format=oneline --abbrev-commit --stdin" | |
1024 | git rev-list $opt <"$todo".miss | warn_lines | |
1025 | ||
9588c52b VA |
1026 | warn "$(gettext "\ |
1027 | To avoid this message, use \"drop\" to explicitly remove a commit. | |
1028 | ||
1029 | Use 'git config rebase.missingCommitsCheck' to change the level of warnings. | |
1030 | The possible behaviours are: ignore, warn, error.")" | |
37079959 GR |
1031 | warn |
1032 | fi | |
1033 | ;; | |
1034 | ignore) | |
1035 | ;; | |
1036 | *) | |
9588c52b | 1037 | warn "$(eval_gettext "Unrecognized setting \$check_level for option rebase.missingCommitsCheck. Ignoring.")" |
37079959 GR |
1038 | ;; |
1039 | esac | |
1040 | ||
1db168ee | 1041 | if ! check_bad_cmd_and_sha "$todo" |
804098bb GR |
1042 | then |
1043 | raise_error=t | |
1044 | fi | |
1045 | ||
37079959 GR |
1046 | if test $raise_error = t |
1047 | then | |
1048 | # Checkout before the first commit of the | |
1049 | # rebase: this way git rebase --continue | |
1050 | # will work correctly as it expects HEAD to be | |
1051 | # placed before the commit of the next action | |
1052 | checkout_onto | |
1053 | ||
37875b47 | 1054 | warn "$(gettext "You can fix this with 'git rebase --edit-todo' and then run 'git rebase --continue'.")" |
9588c52b | 1055 | die "$(gettext "Or you can abort the rebase with 'git rebase --abort'.")" |
37079959 GR |
1056 | fi |
1057 | } | |
1058 | ||
9f50d32b KM |
1059 | # The whole contents of this file is run by dot-sourcing it from |
1060 | # inside a shell function. It used to be that "return"s we see | |
1061 | # below were not inside any function, and expected to return | |
1062 | # to the function that dot-sourced us. | |
1063 | # | |
9b35cadc EM |
1064 | # However, older (9.x) versions of FreeBSD /bin/sh misbehave on such a |
1065 | # construct and continue to run the statements that follow such a "return". | |
9f50d32b KM |
1066 | # As a work-around, we introduce an extra layer of a function |
1067 | # here, and immediately call it after defining it. | |
1068 | git_rebase__interactive () { | |
1069 | ||
cf432ca0 MZ |
1070 | case "$action" in |
1071 | continue) | |
18633e1a JS |
1072 | if test ! -d "$rewritten" |
1073 | then | |
1074 | exec git rebase--helper ${force_rebase:+--no-ff} --continue | |
1075 | fi | |
cf432ca0 | 1076 | # do we have anything to commit? |
a6754cda | 1077 | if git diff-index --cached --quiet HEAD -- |
cf432ca0 | 1078 | then |
0e0aff4b JS |
1079 | # Nothing to commit -- skip this commit |
1080 | ||
1081 | test ! -f "$GIT_DIR"/CHERRY_PICK_HEAD || | |
1082 | rm "$GIT_DIR"/CHERRY_PICK_HEAD || | |
9588c52b | 1083 | die "$(gettext "Could not remove CHERRY_PICK_HEAD")" |
cf432ca0 | 1084 | else |
ffaaed88 MM |
1085 | if ! test -f "$author_script" |
1086 | then | |
3ee5e540 | 1087 | gpg_sign_opt_quoted=${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} |
9588c52b VA |
1088 | die "$(eval_gettext "\ |
1089 | You have staged changes in your working tree. | |
1090 | If these changes are meant to be | |
ffaaed88 MM |
1091 | squashed into the previous commit, run: |
1092 | ||
9588c52b | 1093 | git commit --amend \$gpg_sign_opt_quoted |
ffaaed88 MM |
1094 | |
1095 | If they are meant to go into a new commit, run: | |
1096 | ||
9588c52b | 1097 | git commit \$gpg_sign_opt_quoted |
ffaaed88 | 1098 | |
7c406bd8 | 1099 | In both cases, once you're done, continue with: |
ffaaed88 MM |
1100 | |
1101 | git rebase --continue | |
9588c52b | 1102 | ")" |
ffaaed88 | 1103 | fi |
cf432ca0 | 1104 | . "$author_script" || |
9588c52b | 1105 | die "$(gettext "Error trying to find the author identity to amend commit")" |
cf432ca0 | 1106 | if test -f "$amend" |
03270628 | 1107 | then |
cf432ca0 MZ |
1108 | current_head=$(git rev-parse --verify HEAD) |
1109 | test "$current_head" = $(cat "$amend") || | |
9588c52b VA |
1110 | die "$(gettext "\ |
1111 | You have uncommitted changes in your working tree. Please commit them | |
1112 | first and then run 'git rebase --continue' again.")" | |
3ee5e540 NV |
1113 | do_with_author git commit --amend --no-verify -F "$msg" -e \ |
1114 | ${gpg_sign_opt:+"$gpg_sign_opt"} || | |
9588c52b | 1115 | die "$(gettext "Could not commit staged changes.")" |
2147f844 | 1116 | else |
3ee5e540 NV |
1117 | do_with_author git commit --no-verify -F "$msg" -e \ |
1118 | ${gpg_sign_opt:+"$gpg_sign_opt"} || | |
9588c52b | 1119 | die "$(gettext "Could not commit staged changes.")" |
03270628 | 1120 | fi |
cf432ca0 | 1121 | fi |
18640d99 | 1122 | |
b12d3e90 MM |
1123 | if test -r "$state_dir"/stopped-sha |
1124 | then | |
1125 | record_in_rewritten "$(cat "$state_dir"/stopped-sha)" | |
1126 | fi | |
0acb62f2 | 1127 | |
cf432ca0 MZ |
1128 | require_clean_work_tree "rebase" |
1129 | do_rest | |
15d4bf2e | 1130 | return 0 |
cf432ca0 | 1131 | ;; |
cf432ca0 | 1132 | skip) |
cf432ca0 | 1133 | git rerere clear |
cf432ca0 | 1134 | |
18633e1a JS |
1135 | if test ! -d "$rewritten" |
1136 | then | |
1137 | exec git rebase--helper ${force_rebase:+--no-ff} --continue | |
1138 | fi | |
2959c283 | 1139 | do_rest |
15d4bf2e | 1140 | return 0 |
cf432ca0 | 1141 | ;; |
eb9a7cb4 | 1142 | edit-todo) |
180bad3d | 1143 | git stripspace --strip-comments <"$todo" >"$todo".new |
eb9a7cb4 | 1144 | mv -f "$todo".new "$todo" |
75c69766 | 1145 | collapse_todo_ids |
eb9a7cb4 | 1146 | append_todo_help |
b8fc9e43 | 1147 | gettext " |
180bad3d JK |
1148 | You are editing the todo file of an ongoing interactive rebase. |
1149 | To continue rebase after editing, run: | |
1150 | git rebase --continue | |
1151 | ||
b8fc9e43 | 1152 | " | git stripspace --comment-lines >>"$todo" |
eb9a7cb4 AW |
1153 | |
1154 | git_sequence_editor "$todo" || | |
9588c52b | 1155 | die "$(gettext "Could not execute editor")" |
75c69766 | 1156 | expand_todo_ids |
eb9a7cb4 AW |
1157 | |
1158 | exit | |
1159 | ;; | |
cf432ca0 | 1160 | esac |
1b1dce4b | 1161 | |
34262322 MZ |
1162 | comment_for_reflog start |
1163 | ||
71786f54 | 1164 | if test ! -z "$switch_to" |
34262322 | 1165 | then |
26cd160c | 1166 | GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to" |
71786f54 | 1167 | output git checkout "$switch_to" -- || |
9588c52b | 1168 | die "$(eval_gettext "Could not checkout \$switch_to")" |
26cd160c RR |
1169 | |
1170 | comment_for_reflog start | |
34262322 MZ |
1171 | fi |
1172 | ||
9588c52b VA |
1173 | orig_head=$(git rev-parse --verify HEAD) || die "$(gettext "No HEAD?")" |
1174 | mkdir -p "$state_dir" || die "$(eval_gettext "Could not create temporary \$state_dir")" | |
34262322 | 1175 | |
9588c52b | 1176 | : > "$state_dir"/interactive || die "$(gettext "Could not mark as interactive")" |
84df4560 | 1177 | write_basic_state |
6bb4e485 | 1178 | if test t = "$preserve_merges" |
34262322 | 1179 | then |
6bb4e485 | 1180 | if test -z "$rebase_root" |
34262322 | 1181 | then |
6bb4e485 | 1182 | mkdir "$rewritten" && |
431b7e78 | 1183 | for c in $(git merge-base --all $orig_head $upstream) |
acc8559a | 1184 | do |
6bb4e485 | 1185 | echo $onto > "$rewritten"/$c || |
9588c52b | 1186 | die "$(gettext "Could not init rewritten commits")" |
acc8559a | 1187 | done |
34262322 | 1188 | else |
6bb4e485 MZ |
1189 | mkdir "$rewritten" && |
1190 | echo $onto > "$rewritten"/root || | |
9588c52b | 1191 | die "$(gettext "Could not init rewritten commits")" |
34262322 MZ |
1192 | fi |
1193 | # No cherry-pick because our first pass is to determine | |
1194 | # parents to rewrite and skipping dropped commits would | |
1195 | # prematurely end our probe | |
6bb4e485 | 1196 | merges_option= |
34262322 | 1197 | else |
6bb4e485 | 1198 | merges_option="--no-merges --cherry-pick" |
34262322 MZ |
1199 | fi |
1200 | ||
431b7e78 | 1201 | shorthead=$(git rev-parse --short $orig_head) |
6bb4e485 MZ |
1202 | shortonto=$(git rev-parse --short $onto) |
1203 | if test -z "$rebase_root" | |
1204 | # this is now equivalent to ! -z "$upstream" | |
34262322 | 1205 | then |
6bb4e485 | 1206 | shortupstream=$(git rev-parse --short $upstream) |
431b7e78 | 1207 | revisions=$upstream...$orig_head |
6bb4e485 | 1208 | shortrevisions=$shortupstream..$shorthead |
34262322 | 1209 | else |
431b7e78 | 1210 | revisions=$onto...$orig_head |
6bb4e485 | 1211 | shortrevisions=$shorthead |
34262322 | 1212 | fi |
16cf51c7 MR |
1213 | format=$(git config --get rebase.instructionFormat) |
1214 | # the 'rev-list .. | sed' requires %m to parse; the instruction requires %H to parse | |
1215 | git rev-list $merges_option --format="%m%H ${format:-%s}" \ | |
1216 | --reverse --left-right --topo-order \ | |
1e0dacdb | 1217 | $revisions ${restrict_revision+^$restrict_revision} | \ |
34262322 | 1218 | sed -n "s/^>//p" | |
edb72d55 | 1219 | while read -r sha1 rest |
34262322 | 1220 | do |
90e1818f | 1221 | |
edb72d55 | 1222 | if test -z "$keep_empty" && is_empty_commit $sha1 && ! is_merge_commit $sha1 |
90e1818f | 1223 | then |
180bad3d | 1224 | comment_out="$comment_char " |
90e1818f NH |
1225 | else |
1226 | comment_out= | |
1227 | fi | |
1228 | ||
6bb4e485 | 1229 | if test t != "$preserve_merges" |
34262322 | 1230 | then |
edb72d55 | 1231 | printf '%s\n' "${comment_out}pick $sha1 $rest" >>"$todo" |
34262322 | 1232 | else |
6bb4e485 | 1233 | if test -z "$rebase_root" |
acc8559a | 1234 | then |
34262322 MZ |
1235 | preserve=t |
1236 | for p in $(git rev-list --parents -1 $sha1 | cut -d' ' -s -f2-) | |
acc8559a | 1237 | do |
12bf8283 | 1238 | if test -f "$rewritten"/$p |
acc8559a | 1239 | then |
34262322 | 1240 | preserve=f |
acc8559a SH |
1241 | fi |
1242 | done | |
34262322 MZ |
1243 | else |
1244 | preserve=f | |
1245 | fi | |
1246 | if test f = "$preserve" | |
1247 | then | |
6bb4e485 | 1248 | touch "$rewritten"/$sha1 |
edb72d55 | 1249 | printf '%s\n' "${comment_out}pick $sha1 $rest" >>"$todo" |
acc8559a | 1250 | fi |
34262322 MZ |
1251 | fi |
1252 | done | |
d911d146 | 1253 | |
34262322 | 1254 | # Watch for commits that been dropped by --cherry-pick |
6bb4e485 | 1255 | if test t = "$preserve_merges" |
34262322 | 1256 | then |
6bb4e485 | 1257 | mkdir "$dropped" |
34262322 | 1258 | # Save all non-cherry-picked changes |
6bb4e485 | 1259 | git rev-list $revisions --left-right --cherry-pick | \ |
431b7e78 | 1260 | sed -n "s/^>//p" > "$state_dir"/not-cherry-picks |
34262322 MZ |
1261 | # Now all commits and note which ones are missing in |
1262 | # not-cherry-picks and hence being dropped | |
6bb4e485 | 1263 | git rev-list $revisions | |
34262322 MZ |
1264 | while read rev |
1265 | do | |
214123c6 JH |
1266 | if test -f "$rewritten"/$rev && |
1267 | ! sane_grep "$rev" "$state_dir"/not-cherry-picks >/dev/null | |
34262322 MZ |
1268 | then |
1269 | # Use -f2 because if rev-list is telling us this commit is | |
1270 | # not worthwhile, we don't want to track its multiple heads, | |
1271 | # just the history of its first-parent for others that will | |
1272 | # be rebasing on top of it | |
6bb4e485 | 1273 | git rev-list --parents -1 $rev | cut -d' ' -s -f2 > "$dropped"/$rev |
edb72d55 KS |
1274 | sha1=$(git rev-list -1 $rev) |
1275 | sane_grep -v "^[a-z][a-z]* $sha1" <"$todo" > "${todo}2" ; mv "${todo}2" "$todo" | |
6bb4e485 | 1276 | rm "$rewritten"/$rev |
34262322 MZ |
1277 | fi |
1278 | done | |
1279 | fi | |
1280 | ||
6bb4e485 MZ |
1281 | test -s "$todo" || echo noop >> "$todo" |
1282 | test -n "$autosquash" && rearrange_squash "$todo" | |
c2145384 LK |
1283 | test -n "$cmd" && add_exec_commands "$todo" |
1284 | ||
97f05f43 | 1285 | todocount=$(git stripspace --strip-comments <"$todo" | wc -l) |
28c8cfc3 | 1286 | todocount=${todocount##* } |
97f05f43 | 1287 | |
180bad3d | 1288 | cat >>"$todo" <<EOF |
6047a234 | 1289 | |
b8fc9e43 VA |
1290 | $comment_char $(eval_ngettext \ |
1291 | "Rebase \$shortrevisions onto \$shortonto (\$todocount command)" \ | |
1292 | "Rebase \$shortrevisions onto \$shortonto (\$todocount commands)" \ | |
1293 | "$todocount") | |
fcc5ef1c AW |
1294 | EOF |
1295 | append_todo_help | |
b8fc9e43 | 1296 | gettext " |
180bad3d JK |
1297 | However, if you remove everything, the rebase will be aborted. |
1298 | ||
b8fc9e43 | 1299 | " | git stripspace --comment-lines >>"$todo" |
1b1dce4b | 1300 | |
90e1818f NH |
1301 | if test -z "$keep_empty" |
1302 | then | |
9588c52b | 1303 | printf '%s\n' "$comment_char $(gettext "Note that empty commits are commented out")" >>"$todo" |
90e1818f NH |
1304 | fi |
1305 | ||
1306 | ||
6bb4e485 | 1307 | has_action "$todo" || |
e4244eb3 | 1308 | return 2 |
1b1dce4b | 1309 | |
6bb4e485 | 1310 | cp "$todo" "$todo".backup |
edb72d55 | 1311 | collapse_todo_ids |
821881d8 | 1312 | git_sequence_editor "$todo" || |
9588c52b | 1313 | die_abort "$(gettext "Could not execute editor")" |
1b1dce4b | 1314 | |
6bb4e485 | 1315 | has_action "$todo" || |
e4244eb3 | 1316 | return 2 |
c54b7817 | 1317 | |
37079959 GR |
1318 | check_todo_list |
1319 | ||
75c69766 JH |
1320 | expand_todo_ids |
1321 | ||
6bb4e485 | 1322 | test -d "$rewritten" || test -n "$force_rebase" || skip_unnecessary_picks |
0e757e30 | 1323 | |
37079959 | 1324 | checkout_onto |
18633e1a JS |
1325 | if test -z "$rebase_root" && test ! -d "$rewritten" |
1326 | then | |
1327 | require_clean_work_tree "rebase" | |
1328 | exec git rebase--helper ${force_rebase:+--no-ff} --continue | |
1329 | fi | |
34262322 | 1330 | do_rest |
9f50d32b KM |
1331 | |
1332 | } | |
1333 | # ... and then we call the whole thing. | |
1334 | git_rebase__interactive |