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Commit | Line | Data |
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53bbcfbd AG |
1 | #include "builtin.h" |
2 | #include "cache.h" | |
3 | #include "config.h" | |
4 | #include "parse-options.h" | |
5 | #include "sequencer.h" | |
6 | #include "rebase-interactive.h" | |
7 | #include "argv-array.h" | |
8 | #include "refs.h" | |
9 | #include "rerere.h" | |
10 | #include "run-command.h" | |
11 | ||
12 | static GIT_PATH_FUNC(path_state_dir, "rebase-merge/") | |
13 | static GIT_PATH_FUNC(path_squash_onto, "rebase-merge/squash-onto") | |
14 | static GIT_PATH_FUNC(path_interactive, "rebase-merge/interactive") | |
15 | ||
1ba204de AG |
16 | static int add_exec_commands(struct string_list *commands) |
17 | { | |
18 | const char *todo_file = rebase_path_todo(); | |
19 | struct todo_list todo_list = TODO_LIST_INIT; | |
20 | int res; | |
21 | ||
22 | if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0) | |
23 | return error_errno(_("could not read '%s'."), todo_file); | |
24 | ||
25 | if (todo_list_parse_insn_buffer(the_repository, todo_list.buf.buf, | |
26 | &todo_list)) { | |
27 | todo_list_release(&todo_list); | |
28 | return error(_("unusable todo list: '%s'"), todo_file); | |
29 | } | |
30 | ||
31 | todo_list_add_exec_commands(&todo_list, commands); | |
32 | res = todo_list_write_to_file(the_repository, &todo_list, | |
33 | todo_file, NULL, NULL, -1, 0); | |
34 | todo_list_release(&todo_list); | |
35 | ||
36 | if (res) | |
37 | return error_errno(_("could not write '%s'."), todo_file); | |
38 | return 0; | |
39 | } | |
40 | ||
79d7e883 AG |
41 | static int rearrange_squash_in_todo_file(void) |
42 | { | |
43 | const char *todo_file = rebase_path_todo(); | |
44 | struct todo_list todo_list = TODO_LIST_INIT; | |
45 | int res = 0; | |
46 | ||
47 | if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0) | |
48 | return error_errno(_("could not read '%s'."), todo_file); | |
49 | if (todo_list_parse_insn_buffer(the_repository, todo_list.buf.buf, | |
50 | &todo_list)) { | |
51 | todo_list_release(&todo_list); | |
52 | return error(_("unusable todo list: '%s'"), todo_file); | |
53 | } | |
54 | ||
55 | res = todo_list_rearrange_squash(&todo_list); | |
56 | if (!res) | |
57 | res = todo_list_write_to_file(the_repository, &todo_list, | |
58 | todo_file, NULL, NULL, -1, 0); | |
59 | ||
60 | todo_list_release(&todo_list); | |
61 | ||
62 | if (res) | |
63 | return error_errno(_("could not write '%s'."), todo_file); | |
64 | return 0; | |
65 | } | |
66 | ||
a930eb03 AG |
67 | static int edit_todo_file(unsigned flags) |
68 | { | |
69 | const char *todo_file = rebase_path_todo(); | |
70 | struct todo_list todo_list = TODO_LIST_INIT, | |
71 | new_todo = TODO_LIST_INIT; | |
72 | int res = 0; | |
73 | ||
74 | if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0) | |
75 | return error_errno(_("could not read '%s'."), todo_file); | |
76 | ||
77 | strbuf_stripspace(&todo_list.buf, 1); | |
78 | res = edit_todo_list(the_repository, &todo_list, &new_todo, NULL, NULL, flags); | |
79 | if (!res && todo_list_write_to_file(the_repository, &new_todo, todo_file, | |
80 | NULL, NULL, -1, flags & ~(TODO_LIST_SHORTEN_IDS))) | |
81 | res = error_errno(_("could not write '%s'"), todo_file); | |
82 | ||
83 | todo_list_release(&todo_list); | |
84 | todo_list_release(&new_todo); | |
85 | ||
86 | return res; | |
87 | } | |
88 | ||
53bbcfbd AG |
89 | static int get_revision_ranges(const char *upstream, const char *onto, |
90 | const char **head_hash, | |
91 | char **revisions, char **shortrevisions) | |
92 | { | |
93 | const char *base_rev = upstream ? upstream : onto, *shorthead; | |
94 | struct object_id orig_head; | |
95 | ||
96 | if (get_oid("HEAD", &orig_head)) | |
97 | return error(_("no HEAD?")); | |
98 | ||
99 | *head_hash = find_unique_abbrev(&orig_head, GIT_MAX_HEXSZ); | |
100 | *revisions = xstrfmt("%s...%s", base_rev, *head_hash); | |
101 | ||
102 | shorthead = find_unique_abbrev(&orig_head, DEFAULT_ABBREV); | |
103 | ||
104 | if (upstream) { | |
105 | const char *shortrev; | |
106 | struct object_id rev_oid; | |
107 | ||
108 | get_oid(base_rev, &rev_oid); | |
109 | shortrev = find_unique_abbrev(&rev_oid, DEFAULT_ABBREV); | |
110 | ||
111 | *shortrevisions = xstrfmt("%s..%s", shortrev, shorthead); | |
112 | } else | |
113 | *shortrevisions = xstrdup(shorthead); | |
114 | ||
115 | return 0; | |
116 | } | |
117 | ||
118 | static int init_basic_state(struct replay_opts *opts, const char *head_name, | |
119 | const char *onto, const char *orig_head) | |
120 | { | |
121 | FILE *interactive; | |
122 | ||
123 | if (!is_directory(path_state_dir()) && mkdir_in_gitdir(path_state_dir())) | |
124 | return error_errno(_("could not create temporary %s"), path_state_dir()); | |
125 | ||
126 | delete_reflog("REBASE_HEAD"); | |
127 | ||
128 | interactive = fopen(path_interactive(), "w"); | |
129 | if (!interactive) | |
130 | return error_errno(_("could not mark as interactive")); | |
131 | fclose(interactive); | |
132 | ||
133 | return write_basic_state(opts, head_name, onto, orig_head); | |
134 | } | |
135 | ||
136 | static int do_interactive_rebase(struct replay_opts *opts, unsigned flags, | |
137 | const char *switch_to, const char *upstream, | |
138 | const char *onto, const char *onto_name, | |
139 | const char *squash_onto, const char *head_name, | |
140 | const char *restrict_revision, char *raw_strategies, | |
683153a4 | 141 | struct string_list *commands, unsigned autosquash) |
53bbcfbd AG |
142 | { |
143 | int ret; | |
144 | const char *head_hash = NULL; | |
145 | char *revisions = NULL, *shortrevisions = NULL; | |
146 | struct argv_array make_script_args = ARGV_ARRAY_INIT; | |
d358fc28 | 147 | struct todo_list todo_list = TODO_LIST_INIT; |
53bbcfbd AG |
148 | |
149 | if (prepare_branch_to_be_rebased(opts, switch_to)) | |
150 | return -1; | |
151 | ||
152 | if (get_revision_ranges(upstream, onto, &head_hash, | |
153 | &revisions, &shortrevisions)) | |
154 | return -1; | |
155 | ||
156 | if (raw_strategies) | |
157 | parse_strategy_opts(opts, raw_strategies); | |
158 | ||
159 | if (init_basic_state(opts, head_name, onto, head_hash)) { | |
160 | free(revisions); | |
161 | free(shortrevisions); | |
162 | ||
163 | return -1; | |
164 | } | |
165 | ||
166 | if (!upstream && squash_onto) | |
167 | write_file(path_squash_onto(), "%s\n", squash_onto); | |
168 | ||
53bbcfbd AG |
169 | argv_array_pushl(&make_script_args, "", revisions, NULL); |
170 | if (restrict_revision) | |
171 | argv_array_push(&make_script_args, restrict_revision); | |
172 | ||
d358fc28 | 173 | ret = sequencer_make_script(the_repository, &todo_list.buf, |
53bbcfbd AG |
174 | make_script_args.argc, make_script_args.argv, |
175 | flags); | |
53bbcfbd AG |
176 | |
177 | if (ret) | |
178 | error(_("could not generate todo list")); | |
179 | else { | |
180 | discard_cache(); | |
94bcad79 AG |
181 | if (todo_list_parse_insn_buffer(the_repository, todo_list.buf.buf, |
182 | &todo_list)) | |
183 | BUG("unusable todo list"); | |
184 | ||
185 | ret = complete_action(the_repository, opts, flags, shortrevisions, onto_name, | |
186 | onto, head_hash, commands, autosquash, &todo_list); | |
53bbcfbd AG |
187 | } |
188 | ||
189 | free(revisions); | |
190 | free(shortrevisions); | |
d358fc28 | 191 | todo_list_release(&todo_list); |
53bbcfbd AG |
192 | argv_array_clear(&make_script_args); |
193 | ||
194 | return ret; | |
195 | } | |
196 | ||
197 | static const char * const builtin_rebase_interactive_usage[] = { | |
198 | N_("git rebase--interactive [<options>]"), | |
199 | NULL | |
200 | }; | |
201 | ||
202 | int cmd_rebase__interactive(int argc, const char **argv, const char *prefix) | |
203 | { | |
204 | struct replay_opts opts = REPLAY_OPTS_INIT; | |
205 | unsigned flags = 0, keep_empty = 0, rebase_merges = 0, autosquash = 0; | |
0af129b2 | 206 | int abbreviate_commands = 0, rebase_cousins = -1, ret = 0; |
53bbcfbd AG |
207 | const char *onto = NULL, *onto_name = NULL, *restrict_revision = NULL, |
208 | *squash_onto = NULL, *upstream = NULL, *head_name = NULL, | |
209 | *switch_to = NULL, *cmd = NULL; | |
683153a4 | 210 | struct string_list commands = STRING_LIST_INIT_DUP; |
53bbcfbd | 211 | char *raw_strategies = NULL; |
0af129b2 | 212 | enum { |
34b47315 AG |
213 | NONE = 0, CONTINUE, SKIP, EDIT_TODO, SHOW_CURRENT_PATCH, |
214 | SHORTEN_OIDS, EXPAND_OIDS, CHECK_TODO_LIST, REARRANGE_SQUASH, ADD_EXEC | |
0af129b2 | 215 | } command = 0; |
53bbcfbd AG |
216 | struct option options[] = { |
217 | OPT_BOOL(0, "ff", &opts.allow_ff, N_("allow fast-forward")), | |
218 | OPT_BOOL(0, "keep-empty", &keep_empty, N_("keep empty commits")), | |
219 | OPT_BOOL(0, "allow-empty-message", &opts.allow_empty_message, | |
220 | N_("allow commits with empty messages")), | |
221 | OPT_BOOL(0, "rebase-merges", &rebase_merges, N_("rebase merge commits")), | |
222 | OPT_BOOL(0, "rebase-cousins", &rebase_cousins, | |
223 | N_("keep original branch points of cousins")), | |
224 | OPT_BOOL(0, "autosquash", &autosquash, | |
225 | N_("move commits that begin with squash!/fixup!")), | |
226 | OPT_BOOL(0, "signoff", &opts.signoff, N_("sign commits")), | |
227 | OPT__VERBOSE(&opts.verbose, N_("be verbose")), | |
0af129b2 AG |
228 | OPT_CMDMODE(0, "continue", &command, N_("continue rebase"), |
229 | CONTINUE), | |
230 | OPT_CMDMODE(0, "skip", &command, N_("skip commit"), SKIP), | |
231 | OPT_CMDMODE(0, "edit-todo", &command, N_("edit the todo list"), | |
232 | EDIT_TODO), | |
233 | OPT_CMDMODE(0, "show-current-patch", &command, N_("show the current patch"), | |
234 | SHOW_CURRENT_PATCH), | |
34b47315 AG |
235 | OPT_CMDMODE(0, "shorten-ids", &command, |
236 | N_("shorten commit ids in the todo list"), SHORTEN_OIDS), | |
237 | OPT_CMDMODE(0, "expand-ids", &command, | |
238 | N_("expand commit ids in the todo list"), EXPAND_OIDS), | |
239 | OPT_CMDMODE(0, "check-todo-list", &command, | |
240 | N_("check the todo list"), CHECK_TODO_LIST), | |
241 | OPT_CMDMODE(0, "rearrange-squash", &command, | |
242 | N_("rearrange fixup/squash lines"), REARRANGE_SQUASH), | |
243 | OPT_CMDMODE(0, "add-exec-commands", &command, | |
244 | N_("insert exec commands in todo list"), ADD_EXEC), | |
53bbcfbd AG |
245 | OPT_STRING(0, "onto", &onto, N_("onto"), N_("onto")), |
246 | OPT_STRING(0, "restrict-revision", &restrict_revision, | |
247 | N_("restrict-revision"), N_("restrict revision")), | |
248 | OPT_STRING(0, "squash-onto", &squash_onto, N_("squash-onto"), | |
249 | N_("squash onto")), | |
250 | OPT_STRING(0, "upstream", &upstream, N_("upstream"), | |
251 | N_("the upstream commit")), | |
252 | OPT_STRING(0, "head-name", &head_name, N_("head-name"), N_("head name")), | |
253 | { OPTION_STRING, 'S', "gpg-sign", &opts.gpg_sign, N_("key-id"), | |
254 | N_("GPG-sign commits"), | |
255 | PARSE_OPT_OPTARG, NULL, (intptr_t) "" }, | |
256 | OPT_STRING(0, "strategy", &opts.strategy, N_("strategy"), | |
257 | N_("rebase strategy")), | |
258 | OPT_STRING(0, "strategy-opts", &raw_strategies, N_("strategy-opts"), | |
259 | N_("strategy options")), | |
260 | OPT_STRING(0, "switch-to", &switch_to, N_("switch-to"), | |
261 | N_("the branch or commit to checkout")), | |
262 | OPT_STRING(0, "onto-name", &onto_name, N_("onto-name"), N_("onto name")), | |
263 | OPT_STRING(0, "cmd", &cmd, N_("cmd"), N_("the command to run")), | |
264 | OPT_RERERE_AUTOUPDATE(&opts.allow_rerere_auto), | |
265 | OPT_END() | |
266 | }; | |
267 | ||
268 | sequencer_init_config(&opts); | |
269 | git_config_get_bool("rebase.abbreviatecommands", &abbreviate_commands); | |
270 | ||
271 | opts.action = REPLAY_INTERACTIVE_REBASE; | |
272 | opts.allow_ff = 1; | |
273 | opts.allow_empty = 1; | |
274 | ||
275 | if (argc == 1) | |
276 | usage_with_options(builtin_rebase_interactive_usage, options); | |
277 | ||
278 | argc = parse_options(argc, argv, NULL, options, | |
279 | builtin_rebase_interactive_usage, PARSE_OPT_KEEP_ARGV0); | |
280 | ||
281 | opts.gpg_sign = xstrdup_or_null(opts.gpg_sign); | |
282 | ||
283 | flags |= keep_empty ? TODO_LIST_KEEP_EMPTY : 0; | |
284 | flags |= abbreviate_commands ? TODO_LIST_ABBREVIATE_CMDS : 0; | |
285 | flags |= rebase_merges ? TODO_LIST_REBASE_MERGES : 0; | |
286 | flags |= rebase_cousins > 0 ? TODO_LIST_REBASE_COUSINS : 0; | |
34b47315 | 287 | flags |= command == SHORTEN_OIDS ? TODO_LIST_SHORTEN_IDS : 0; |
53bbcfbd AG |
288 | |
289 | if (rebase_cousins >= 0 && !rebase_merges) | |
290 | warning(_("--[no-]rebase-cousins has no effect without " | |
291 | "--rebase-merges")); | |
292 | ||
683153a4 AG |
293 | if (cmd && *cmd) { |
294 | string_list_split(&commands, cmd, '\n', -1); | |
295 | ||
296 | /* rebase.c adds a new line to cmd after every command, | |
297 | * so here the last command is always empty */ | |
298 | string_list_remove_empty_items(&commands, 0); | |
299 | } | |
300 | ||
0af129b2 AG |
301 | switch (command) { |
302 | case NONE: | |
303 | if (!onto && !upstream) | |
304 | die(_("a base commit must be provided with --upstream or --onto")); | |
305 | ||
306 | ret = do_interactive_rebase(&opts, flags, switch_to, upstream, onto, | |
307 | onto_name, squash_onto, head_name, restrict_revision, | |
683153a4 | 308 | raw_strategies, &commands, autosquash); |
0af129b2 AG |
309 | break; |
310 | case SKIP: { | |
311 | struct string_list merge_rr = STRING_LIST_INIT_DUP; | |
312 | ||
55e6b354 | 313 | rerere_clear(the_repository, &merge_rr); |
0af129b2 AG |
314 | /* fallthrough */ |
315 | case CONTINUE: | |
f11c9580 | 316 | ret = sequencer_continue(the_repository, &opts); |
0af129b2 AG |
317 | break; |
318 | } | |
319 | case EDIT_TODO: | |
a930eb03 | 320 | ret = edit_todo_file(flags); |
0af129b2 AG |
321 | break; |
322 | case SHOW_CURRENT_PATCH: { | |
323 | struct child_process cmd = CHILD_PROCESS_INIT; | |
324 | ||
325 | cmd.git_cmd = 1; | |
326 | argv_array_pushl(&cmd.args, "show", "REBASE_HEAD", "--", NULL); | |
327 | ret = run_command(&cmd); | |
328 | ||
329 | break; | |
330 | } | |
34b47315 AG |
331 | case SHORTEN_OIDS: |
332 | case EXPAND_OIDS: | |
cbef27d6 | 333 | ret = transform_todo_file(the_repository, flags); |
34b47315 AG |
334 | break; |
335 | case CHECK_TODO_LIST: | |
6ca89c6f | 336 | ret = check_todo_list_from_file(the_repository); |
34b47315 AG |
337 | break; |
338 | case REARRANGE_SQUASH: | |
79d7e883 | 339 | ret = rearrange_squash_in_todo_file(); |
34b47315 AG |
340 | break; |
341 | case ADD_EXEC: | |
1ba204de | 342 | ret = add_exec_commands(&commands); |
34b47315 | 343 | break; |
0af129b2 AG |
344 | default: |
345 | BUG("invalid command '%d'", command); | |
346 | } | |
53bbcfbd | 347 | |
683153a4 | 348 | string_list_clear(&commands, 0); |
0af129b2 | 349 | return !!ret; |
53bbcfbd | 350 | } |