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-rw-r--r--sequencer.c720
1 files changed, 284 insertions, 436 deletions
diff --git a/sequencer.c b/sequencer.c
index 0db410d..546f281 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -55,8 +55,7 @@ static GIT_PATH_FUNC(rebase_path, "rebase-merge")
* file and written to the tail of 'done'.
*/
GIT_PATH_FUNC(rebase_path_todo, "rebase-merge/git-rebase-todo")
-static GIT_PATH_FUNC(rebase_path_todo_backup,
- "rebase-merge/git-rebase-todo.backup")
+GIT_PATH_FUNC(rebase_path_todo_backup, "rebase-merge/git-rebase-todo.backup")
/*
* The rebase command lines that have already been processed. A line
@@ -384,8 +383,8 @@ static void print_advice(struct repository *r, int show_hint,
}
}
-int write_message(const void *buf, size_t len, const char *filename,
- int append_eol)
+static int write_message(const void *buf, size_t len, const char *filename,
+ int append_eol)
{
struct lock_file msg_file = LOCK_INIT;
@@ -837,7 +836,7 @@ static const char *read_author_ident(struct strbuf *buf)
}
strbuf_reset(&out);
- strbuf_addstr(&out, fmt_ident(name, email, date, 0));
+ strbuf_addstr(&out, fmt_ident(name, email, WANT_AUTHOR_IDENT, date, 0));
strbuf_swap(buf, &out);
strbuf_release(&out);
free(name);
@@ -1103,6 +1102,7 @@ static int run_rewrite_hook(const struct object_id *oldoid,
proc.argv = argv;
proc.in = -1;
proc.stdout_to_stderr = 1;
+ proc.trace2_hook_name = "post-rewrite";
code = start_command(&proc);
if (code)
@@ -1512,32 +1512,6 @@ static int allow_empty(struct repository *r,
return 1;
}
-/*
- * Note that ordering matters in this enum. Not only must it match the mapping
- * below, it is also divided into several sections that matter. When adding
- * new commands, make sure you add it in the right section.
- */
-enum todo_command {
- /* commands that handle commits */
- TODO_PICK = 0,
- TODO_REVERT,
- TODO_EDIT,
- TODO_REWORD,
- TODO_FIXUP,
- TODO_SQUASH,
- /* commands that do something else than handling a single commit */
- TODO_EXEC,
- TODO_BREAK,
- TODO_LABEL,
- TODO_RESET,
- TODO_MERGE,
- /* commands that do nothing but are counted for reporting progress */
- TODO_NOOP,
- TODO_DROP,
- /* comments (not counted for reporting progress) */
- TODO_COMMENT
-};
-
static struct {
char c;
const char *str;
@@ -2020,26 +1994,7 @@ enum todo_item_flags {
TODO_EDIT_MERGE_MSG = 1
};
-struct todo_item {
- enum todo_command command;
- struct commit *commit;
- unsigned int flags;
- const char *arg;
- int arg_len;
- size_t offset_in_buf;
-};
-
-struct todo_list {
- struct strbuf buf;
- struct todo_item *items;
- int nr, alloc, current;
- int done_nr, total_nr;
- struct stat_data stat;
-};
-
-#define TODO_LIST_INIT { STRBUF_INIT }
-
-static void todo_list_release(struct todo_list *todo_list)
+void todo_list_release(struct todo_list *todo_list)
{
strbuf_release(&todo_list->buf);
FREE_AND_NULL(todo_list->items);
@@ -2052,8 +2007,14 @@ static struct todo_item *append_new_todo(struct todo_list *todo_list)
return todo_list->items + todo_list->nr++;
}
+const char *todo_item_get_arg(struct todo_list *todo_list,
+ struct todo_item *item)
+{
+ return todo_list->buf.buf + item->arg_offset;
+}
+
static int parse_insn_line(struct repository *r, struct todo_item *item,
- const char *bol, char *eol)
+ const char *buf, const char *bol, char *eol)
{
struct object_id commit_oid;
char *end_of_object_name;
@@ -2067,7 +2028,7 @@ static int parse_insn_line(struct repository *r, struct todo_item *item,
if (bol == eol || *bol == '\r' || *bol == comment_line_char) {
item->command = TODO_COMMENT;
item->commit = NULL;
- item->arg = bol;
+ item->arg_offset = bol - buf;
item->arg_len = eol - bol;
return 0;
}
@@ -2094,7 +2055,7 @@ static int parse_insn_line(struct repository *r, struct todo_item *item,
return error(_("%s does not accept arguments: '%s'"),
command_to_string(item->command), bol);
item->commit = NULL;
- item->arg = bol;
+ item->arg_offset = bol - buf;
item->arg_len = eol - bol;
return 0;
}
@@ -2106,7 +2067,7 @@ static int parse_insn_line(struct repository *r, struct todo_item *item,
if (item->command == TODO_EXEC || item->command == TODO_LABEL ||
item->command == TODO_RESET) {
item->commit = NULL;
- item->arg = bol;
+ item->arg_offset = bol - buf;
item->arg_len = (int)(eol - bol);
return 0;
}
@@ -2120,7 +2081,7 @@ static int parse_insn_line(struct repository *r, struct todo_item *item,
} else {
item->flags |= TODO_EDIT_MERGE_MSG;
item->commit = NULL;
- item->arg = bol;
+ item->arg_offset = bol - buf;
item->arg_len = (int)(eol - bol);
return 0;
}
@@ -2132,23 +2093,27 @@ static int parse_insn_line(struct repository *r, struct todo_item *item,
status = get_oid(bol, &commit_oid);
*end_of_object_name = saved;
- item->arg = end_of_object_name + strspn(end_of_object_name, " \t");
- item->arg_len = (int)(eol - item->arg);
+ bol = end_of_object_name + strspn(end_of_object_name, " \t");
+ item->arg_offset = bol - buf;
+ item->arg_len = (int)(eol - bol);
if (status < 0)
- return -1;
+ return error(_("could not parse '%.*s'"),
+ (int)(end_of_object_name - bol), bol);
item->commit = lookup_commit_reference(r, &commit_oid);
return !item->commit;
}
-static int parse_insn_buffer(struct repository *r, char *buf,
- struct todo_list *todo_list)
+int todo_list_parse_insn_buffer(struct repository *r, char *buf,
+ struct todo_list *todo_list)
{
struct todo_item *item;
char *p = buf, *next_p;
int i, res = 0, fixup_okay = file_exists(rebase_path_done());
+ todo_list->current = todo_list->nr = 0;
+
for (i = 1; *p; i++, p = next_p) {
char *eol = strchrnul(p, '\n');
@@ -2159,10 +2124,13 @@ static int parse_insn_buffer(struct repository *r, char *buf,
item = append_new_todo(todo_list);
item->offset_in_buf = p - todo_list->buf.buf;
- if (parse_insn_line(r, item, p, eol)) {
+ if (parse_insn_line(r, item, buf, p, eol)) {
res = error(_("invalid line %d: %.*s"),
i, (int)(eol - p), p);
- item->command = TODO_NOOP;
+ item->command = TODO_COMMENT + 1;
+ item->arg_offset = p - buf;
+ item->arg_len = (int)(eol - p);
+ item->commit = NULL;
}
if (fixup_okay)
@@ -2237,7 +2205,7 @@ static int read_populate_todo(struct repository *r,
return error(_("could not stat '%s'"), todo_file);
fill_stat_data(&todo_list->stat, &st);
- res = parse_insn_buffer(r, todo_list->buf.buf, todo_list);
+ res = todo_list_parse_insn_buffer(r, todo_list->buf.buf, todo_list);
if (res) {
if (is_rebase_i(opts))
return error(_("please fix this using "
@@ -2268,7 +2236,7 @@ static int read_populate_todo(struct repository *r,
FILE *f = fopen_or_warn(rebase_path_msgtotal(), "w");
if (strbuf_read_file(&done.buf, rebase_path_done(), 0) > 0 &&
- !parse_insn_buffer(r, done.buf.buf, &done))
+ !todo_list_parse_insn_buffer(r, done.buf.buf, &done))
todo_list->done_nr = count_commands(&done);
else
todo_list->done_nr = 0;
@@ -2307,6 +2275,15 @@ static int populate_opts_cb(const char *key, const char *value, void *data)
opts->no_commit = git_config_bool_or_int(key, value, &error_flag);
else if (!strcmp(key, "options.edit"))
opts->edit = git_config_bool_or_int(key, value, &error_flag);
+ else if (!strcmp(key, "options.allow-empty"))
+ opts->allow_empty =
+ git_config_bool_or_int(key, value, &error_flag);
+ else if (!strcmp(key, "options.allow-empty-message"))
+ opts->allow_empty_message =
+ git_config_bool_or_int(key, value, &error_flag);
+ else if (!strcmp(key, "options.keep-redundant-commits"))
+ opts->keep_redundant_commits =
+ git_config_bool_or_int(key, value, &error_flag);
else if (!strcmp(key, "options.signoff"))
opts->signoff = git_config_bool_or_int(key, value, &error_flag);
else if (!strcmp(key, "options.record-origin"))
@@ -2505,7 +2482,7 @@ static int walk_revs_populate_todo(struct todo_list *todo_list,
item->command = command;
item->commit = commit;
- item->arg = NULL;
+ item->arg_offset = 0;
item->arg_len = 0;
item->offset_in_buf = todo_list->buf.len;
subject_len = find_commit_subject(commit_buffer, &subject);
@@ -2700,36 +2677,54 @@ static int save_opts(struct replay_opts *opts)
int res = 0;
if (opts->no_commit)
- res |= git_config_set_in_file_gently(opts_file, "options.no-commit", "true");
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.no-commit", "true");
if (opts->edit)
- res |= git_config_set_in_file_gently(opts_file, "options.edit", "true");
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.edit", "true");
+ if (opts->allow_empty)
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.allow-empty", "true");
+ if (opts->allow_empty_message)
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.allow-empty-message", "true");
+ if (opts->keep_redundant_commits)
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.keep-redundant-commits", "true");
if (opts->signoff)
- res |= git_config_set_in_file_gently(opts_file, "options.signoff", "true");
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.signoff", "true");
if (opts->record_origin)
- res |= git_config_set_in_file_gently(opts_file, "options.record-origin", "true");
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.record-origin", "true");
if (opts->allow_ff)
- res |= git_config_set_in_file_gently(opts_file, "options.allow-ff", "true");
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.allow-ff", "true");
if (opts->mainline) {
struct strbuf buf = STRBUF_INIT;
strbuf_addf(&buf, "%d", opts->mainline);
- res |= git_config_set_in_file_gently(opts_file, "options.mainline", buf.buf);
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.mainline", buf.buf);
strbuf_release(&buf);
}
if (opts->strategy)
- res |= git_config_set_in_file_gently(opts_file, "options.strategy", opts->strategy);
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.strategy", opts->strategy);
if (opts->gpg_sign)
- res |= git_config_set_in_file_gently(opts_file, "options.gpg-sign", opts->gpg_sign);
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.gpg-sign", opts->gpg_sign);
if (opts->xopts) {
int i;
for (i = 0; i < opts->xopts_nr; i++)
res |= git_config_set_multivar_in_file_gently(opts_file,
- "options.strategy-option",
- opts->xopts[i], "^$", 0);
+ "options.strategy-option",
+ opts->xopts[i], "^$", 0);
}
if (opts->allow_rerere_auto)
- res |= git_config_set_in_file_gently(opts_file, "options.allow-rerere-auto",
- opts->allow_rerere_auto == RERERE_AUTOUPDATE ?
- "true" : "false");
+ res |= git_config_set_in_file_gently(opts_file,
+ "options.allow-rerere-auto",
+ opts->allow_rerere_auto == RERERE_AUTOUPDATE ?
+ "true" : "false");
return res;
}
@@ -3544,6 +3539,8 @@ static int pick_commits(struct repository *r,
while (todo_list->current < todo_list->nr) {
struct todo_item *item = todo_list->items + todo_list->current;
+ const char *arg = todo_item_get_arg(todo_list, item);
+
if (save_todo(todo_list, opts))
return -1;
if (is_rebase_i(opts)) {
@@ -3596,10 +3593,9 @@ static int pick_commits(struct repository *r,
fprintf(stderr,
_("Stopped at %s... %.*s\n"),
short_commit_name(commit),
- item->arg_len, item->arg);
+ item->arg_len, arg);
return error_with_patch(r, commit,
- item->arg, item->arg_len, opts, res,
- !res);
+ arg, item->arg_len, opts, res, !res);
}
if (is_rebase_i(opts) && !res)
record_in_rewritten(&item->commit->object.oid,
@@ -3608,7 +3604,7 @@ static int pick_commits(struct repository *r,
if (res == 1)
intend_to_amend();
return error_failed_squash(r, item->commit, opts,
- item->arg_len, item->arg);
+ item->arg_len, arg);
} else if (res && is_rebase_i(opts) && item->commit) {
int to_amend = 0;
struct object_id oid;
@@ -3627,19 +3623,18 @@ static int pick_commits(struct repository *r,
to_amend = 1;
return res | error_with_patch(r, item->commit,
- item->arg, item->arg_len, opts,
+ arg, item->arg_len, opts,
res, to_amend);
}
} else if (item->command == TODO_EXEC) {
- char *end_of_arg = (char *)(item->arg + item->arg_len);
+ char *end_of_arg = (char *)(arg + item->arg_len);
int saved = *end_of_arg;
struct stat st;
*end_of_arg = '\0';
- res = do_exec(r, item->arg);
+ res = do_exec(r, arg);
*end_of_arg = saved;
- /* Reread the todo file if it has changed. */
if (res) {
if (opts->reschedule_failed_exec)
reschedule = 1;
@@ -3647,6 +3642,7 @@ static int pick_commits(struct repository *r,
res = error_errno(_("could not stat '%s'"),
get_todo_path(opts));
else if (match_stat_data(&todo_list->stat, &st)) {
+ /* Reread the todo file if it has changed. */
todo_list_release(todo_list);
if (read_populate_todo(r, todo_list, opts))
res = -1; /* message was printed */
@@ -3654,14 +3650,14 @@ static int pick_commits(struct repository *r,
todo_list->current = -1;
}
} else if (item->command == TODO_LABEL) {
- if ((res = do_label(r, item->arg, item->arg_len)))
+ if ((res = do_label(r, arg, item->arg_len)))
reschedule = 1;
} else if (item->command == TODO_RESET) {
- if ((res = do_reset(r, item->arg, item->arg_len, opts)))
+ if ((res = do_reset(r, arg, item->arg_len, opts)))
reschedule = 1;
} else if (item->command == TODO_MERGE) {
if ((res = do_merge(r, item->commit,
- item->arg, item->arg_len,
+ arg, item->arg_len,
item->flags, opts)) < 0)
reschedule = 1;
else if (item->commit)
@@ -3670,9 +3666,8 @@ static int pick_commits(struct repository *r,
if (res > 0)
/* failed with merge conflicts */
return error_with_patch(r, item->commit,
- item->arg,
- item->arg_len, opts,
- res, 0);
+ arg, item->arg_len,
+ opts, res, 0);
} else if (!is_noop(item->command))
return error(_("unknown command %d"), item->command);
@@ -3687,9 +3682,8 @@ static int pick_commits(struct repository *r,
if (item->commit)
return error_with_patch(r,
item->commit,
- item->arg,
- item->arg_len, opts,
- res, 0);
+ arg, item->arg_len,
+ opts, res, 0);
}
todo_list->current++;
@@ -3786,6 +3780,7 @@ cleanup_head_ref:
hook.in = open(rebase_path_rewritten_list(),
O_RDONLY);
hook.stdout_to_stderr = 1;
+ hook.trace2_hook_name = "post-rewrite";
argv_array_push(&hook.args, post_rewrite_hook);
argv_array_push(&hook.args, "rebase");
/* we don't care if this hook failed */
@@ -4098,8 +4093,7 @@ void append_signoff(struct strbuf *msgbuf, size_t ignore_footer, unsigned flag)
int has_footer;
strbuf_addstr(&sob, sign_off_header);
- strbuf_addstr(&sob, fmt_name(getenv("GIT_COMMITTER_NAME"),
- getenv("GIT_COMMITTER_EMAIL")));
+ strbuf_addstr(&sob, fmt_name(WANT_COMMITTER_IDENT));
strbuf_addch(&sob, '\n');
if (!ignore_footer)
@@ -4266,7 +4260,7 @@ static const char *label_oid(struct object_id *oid, const char *label,
}
static int make_script_with_merges(struct pretty_print_context *pp,
- struct rev_info *revs, FILE *out,
+ struct rev_info *revs, struct strbuf *out,
unsigned flags)
{
int keep_empty = flags & TODO_LIST_KEEP_EMPTY;
@@ -4411,7 +4405,7 @@ static int make_script_with_merges(struct pretty_print_context *pp,
* gathering commits not yet shown, reversing the list on the fly,
* then outputting that list (labeling revisions as needed).
*/
- fprintf(out, "%s onto\n", cmd_label);
+ strbuf_addf(out, "%s onto\n", cmd_label);
for (iter = tips; iter; iter = iter->next) {
struct commit_list *list = NULL, *iter2;
@@ -4421,9 +4415,9 @@ static int make_script_with_merges(struct pretty_print_context *pp,
entry = oidmap_get(&state.commit2label, &commit->object.oid);
if (entry)
- fprintf(out, "\n%c Branch %s\n", comment_line_char, entry->string);
+ strbuf_addf(out, "\n%c Branch %s\n", comment_line_char, entry->string);
else
- fprintf(out, "\n");
+ strbuf_addch(out, '\n');
while (oidset_contains(&interesting, &commit->object.oid) &&
!oidset_contains(&shown, &commit->object.oid)) {
@@ -4436,8 +4430,8 @@ static int make_script_with_merges(struct pretty_print_context *pp,
}
if (!commit)
- fprintf(out, "%s %s\n", cmd_reset,
- rebase_cousins ? "onto" : "[new root]");
+ strbuf_addf(out, "%s %s\n", cmd_reset,
+ rebase_cousins ? "onto" : "[new root]");
else {
const char *to = NULL;
@@ -4450,12 +4444,12 @@ static int make_script_with_merges(struct pretty_print_context *pp,
&state);
if (!to || !strcmp(to, "onto"))
- fprintf(out, "%s onto\n", cmd_reset);
+ strbuf_addf(out, "%s onto\n", cmd_reset);
else {
strbuf_reset(&oneline);
pretty_print_commit(pp, commit, &oneline);
- fprintf(out, "%s %s # %s\n",
- cmd_reset, to, oneline.buf);
+ strbuf_addf(out, "%s %s # %s\n",
+ cmd_reset, to, oneline.buf);
}
}
@@ -4464,11 +4458,11 @@ static int make_script_with_merges(struct pretty_print_context *pp,
entry = oidmap_get(&commit2todo, oid);
/* only show if not already upstream */
if (entry)
- fprintf(out, "%s\n", entry->string);
+ strbuf_addf(out, "%s\n", entry->string);
entry = oidmap_get(&state.commit2label, oid);
if (entry)
- fprintf(out, "%s %s\n",
- cmd_label, entry->string);
+ strbuf_addf(out, "%s %s\n",
+ cmd_label, entry->string);
oidset_insert(&shown, oid);
}
@@ -4490,13 +4484,11 @@ static int make_script_with_merges(struct pretty_print_context *pp,
return 0;
}
-int sequencer_make_script(struct repository *r, FILE *out,
- int argc, const char **argv,
- unsigned flags)
+int sequencer_make_script(struct repository *r, struct strbuf *out, int argc,
+ const char **argv, unsigned flags)
{
char *format = NULL;
struct pretty_print_context pp = {0};
- struct strbuf buf = STRBUF_INIT;
struct rev_info revs;
struct commit *commit;
int keep_empty = flags & TODO_LIST_KEEP_EMPTY;
@@ -4539,16 +4531,13 @@ int sequencer_make_script(struct repository *r, FILE *out,
if (!is_empty && (commit->object.flags & PATCHSAME))
continue;
- strbuf_reset(&buf);
if (!keep_empty && is_empty)
- strbuf_addf(&buf, "%c ", comment_line_char);
- strbuf_addf(&buf, "%s %s ", insn,
+ strbuf_addf(out, "%c ", comment_line_char);
+ strbuf_addf(out, "%s %s ", insn,
oid_to_hex(&commit->object.oid));
- pretty_print_commit(&pp, commit, &buf);
- strbuf_addch(&buf, '\n');
- fputs(buf.buf, out);
+ pretty_print_commit(&pp, commit, out);
+ strbuf_addch(out, '\n');
}
- strbuf_release(&buf);
return 0;
}
@@ -4556,91 +4545,95 @@ int sequencer_make_script(struct repository *r, FILE *out,
* Add commands after pick and (series of) squash/fixup commands
* in the todo list.
*/
-int sequencer_add_exec_commands(struct repository *r,
- const char *commands)
+void todo_list_add_exec_commands(struct todo_list *todo_list,
+ struct string_list *commands)
{
- const char *todo_file = rebase_path_todo();
- struct todo_list todo_list = TODO_LIST_INIT;
- struct strbuf *buf = &todo_list.buf;
- size_t offset = 0, commands_len = strlen(commands);
- int i, insert;
+ struct strbuf *buf = &todo_list->buf;
+ size_t base_offset = buf->len;
+ int i, insert, nr = 0, alloc = 0;
+ struct todo_item *items = NULL, *base_items = NULL;
- if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
- return error(_("could not read '%s'."), todo_file);
+ base_items = xcalloc(commands->nr, sizeof(struct todo_item));
+ for (i = 0; i < commands->nr; i++) {
+ size_t command_len = strlen(commands->items[i].string);
- if (parse_insn_buffer(r, todo_list.buf.buf, &todo_list)) {
- todo_list_release(&todo_list);
- return error(_("unusable todo list: '%s'"), todo_file);
+ strbuf_addstr(buf, commands->items[i].string);
+ strbuf_addch(buf, '\n');
+
+ base_items[i].command = TODO_EXEC;
+ base_items[i].offset_in_buf = base_offset;
+ base_items[i].arg_offset = base_offset + strlen("exec ");
+ base_items[i].arg_len = command_len - strlen("exec ");
+
+ base_offset += command_len + 1;
}
/*
* Insert <commands> after every pick. Here, fixup/squash chains
* are considered part of the pick, so we insert the commands *after*
* those chains if there are any.
+ *
+ * As we insert the exec commands immediatly after rearranging
+ * any fixups and before the user edits the list, a fixup chain
+ * can never contain comments (any comments are empty picks that
+ * have been commented out because the user did not specify
+ * --keep-empty). So, it is safe to insert an exec command
+ * without looking at the command following a comment.
*/
- insert = -1;
- for (i = 0; i < todo_list.nr; i++) {
- enum todo_command command = todo_list.items[i].command;
-
- if (insert >= 0) {
- /* skip fixup/squash chains */
- if (command == TODO_COMMENT)
- continue;
- else if (is_fixup(command)) {
- insert = i + 1;
- continue;
- }
- strbuf_insert(buf,
- todo_list.items[insert].offset_in_buf +
- offset, commands, commands_len);
- offset += commands_len;
- insert = -1;
+ insert = 0;
+ for (i = 0; i < todo_list->nr; i++) {
+ enum todo_command command = todo_list->items[i].command;
+ if (insert && !is_fixup(command)) {
+ ALLOC_GROW(items, nr + commands->nr, alloc);
+ COPY_ARRAY(items + nr, base_items, commands->nr);
+ nr += commands->nr;
+
+ insert = 0;
}
+ ALLOC_GROW(items, nr + 1, alloc);
+ items[nr++] = todo_list->items[i];
+
if (command == TODO_PICK || command == TODO_MERGE)
- insert = i + 1;
+ insert = 1;
}
/* insert or append final <commands> */
- if (insert >= 0 && insert < todo_list.nr)
- strbuf_insert(buf, todo_list.items[insert].offset_in_buf +
- offset, commands, commands_len);
- else if (insert >= 0 || !offset)
- strbuf_add(buf, commands, commands_len);
+ if (insert || nr == todo_list->nr) {
+ ALLOC_GROW(items, nr + commands->nr, alloc);
+ COPY_ARRAY(items + nr, base_items, commands->nr);
+ nr += commands->nr;
+ }
- i = write_message(buf->buf, buf->len, todo_file, 0);
- todo_list_release(&todo_list);
- return i;
+ free(base_items);
+ FREE_AND_NULL(todo_list->items);
+ todo_list->items = items;
+ todo_list->nr = nr;
+ todo_list->alloc = alloc;
}
-int transform_todos(struct repository *r, unsigned flags)
+static void todo_list_to_strbuf(struct repository *r, struct todo_list *todo_list,
+ struct strbuf *buf, int num, unsigned flags)
{
- const char *todo_file = rebase_path_todo();
- struct todo_list todo_list = TODO_LIST_INIT;
- struct strbuf buf = STRBUF_INIT;
struct todo_item *item;
- int i;
+ int i, max = todo_list->nr;
- if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
- return error(_("could not read '%s'."), todo_file);
+ if (num > 0 && num < max)
+ max = num;
- if (parse_insn_buffer(r, todo_list.buf.buf, &todo_list)) {
- todo_list_release(&todo_list);
- return error(_("unusable todo list: '%s'"), todo_file);
- }
-
- for (item = todo_list.items, i = 0; i < todo_list.nr; i++, item++) {
+ for (item = todo_list->items, i = 0; i < max; i++, item++) {
/* if the item is not a command write it and continue */
if (item->command >= TODO_COMMENT) {
- strbuf_addf(&buf, "%.*s\n", item->arg_len, item->arg);
+ strbuf_addf(buf, "%.*s\n", item->arg_len,
+ todo_item_get_arg(todo_list, item));
continue;
}
/* add command to the buffer */
if (flags & TODO_LIST_ABBREVIATE_CMDS)
- strbuf_addch(&buf, command_to_char(item->command));
+ strbuf_addch(buf, command_to_char(item->command));
else
- strbuf_addstr(&buf, command_to_string(item->command));
+ strbuf_addstr(buf, command_to_string(item->command));
/* add commit id */
if (item->commit) {
@@ -4650,181 +4643,92 @@ int transform_todos(struct repository *r, unsigned flags)
if (item->command == TODO_MERGE) {
if (item->flags & TODO_EDIT_MERGE_MSG)
- strbuf_addstr(&buf, " -c");
+ strbuf_addstr(buf, " -c");
else
- strbuf_addstr(&buf, " -C");
+ strbuf_addstr(buf, " -C");
}
- strbuf_addf(&buf, " %s", oid);
+ strbuf_addf(buf, " %s", oid);
}
/* add all the rest */
if (!item->arg_len)
- strbuf_addch(&buf, '\n');
+ strbuf_addch(buf, '\n');
else
- strbuf_addf(&buf, " %.*s\n", item->arg_len, item->arg);
+ strbuf_addf(buf, " %.*s\n", item->arg_len,
+ todo_item_get_arg(todo_list, item));
}
-
- i = write_message(buf.buf, buf.len, todo_file, 0);
- todo_list_release(&todo_list);
- return i;
}
-enum missing_commit_check_level get_missing_commit_check_level(void)
+int todo_list_write_to_file(struct repository *r, struct todo_list *todo_list,
+ const char *file, const char *shortrevisions,
+ const char *shortonto, int num, unsigned flags)
{
- const char *value;
+ int res;
+ struct strbuf buf = STRBUF_INIT;
- if (git_config_get_value("rebase.missingcommitscheck", &value) ||
- !strcasecmp("ignore", value))
- return MISSING_COMMIT_CHECK_IGNORE;
- if (!strcasecmp("warn", value))
- return MISSING_COMMIT_CHECK_WARN;
- if (!strcasecmp("error", value))
- return MISSING_COMMIT_CHECK_ERROR;
- warning(_("unrecognized setting %s for option "
- "rebase.missingCommitsCheck. Ignoring."), value);
- return MISSING_COMMIT_CHECK_IGNORE;
-}
+ todo_list_to_strbuf(r, todo_list, &buf, num, flags);
+ if (flags & TODO_LIST_APPEND_TODO_HELP)
+ append_todo_help(flags & TODO_LIST_KEEP_EMPTY, count_commands(todo_list),
+ shortrevisions, shortonto, &buf);
-define_commit_slab(commit_seen, unsigned char);
-/*
- * Check if the user dropped some commits by mistake
- * Behaviour determined by rebase.missingCommitsCheck.
- * Check if there is an unrecognized command or a
- * bad SHA-1 in a command.
- */
-int check_todo_list(struct repository *r)
-{
- enum missing_commit_check_level check_level = get_missing_commit_check_level();
- struct strbuf todo_file = STRBUF_INIT;
- struct todo_list todo_list = TODO_LIST_INIT;
- struct strbuf missing = STRBUF_INIT;
- int advise_to_edit_todo = 0, res = 0, i;
- struct commit_seen commit_seen;
+ res = write_message(buf.buf, buf.len, file, 0);
+ strbuf_release(&buf);
- init_commit_seen(&commit_seen);
+ return res;
+}
- strbuf_addstr(&todo_file, rebase_path_todo());
- if (strbuf_read_file_or_whine(&todo_list.buf, todo_file.buf) < 0) {
- res = -1;
- goto leave_check;
- }
- advise_to_edit_todo = res =
- parse_insn_buffer(r, todo_list.buf.buf, &todo_list);
+static const char edit_todo_list_advice[] =
+N_("You can fix this with 'git rebase --edit-todo' "
+"and then run 'git rebase --continue'.\n"
+"Or you can abort the rebase with 'git rebase"
+" --abort'.\n");
- if (res || check_level == MISSING_COMMIT_CHECK_IGNORE)
- goto leave_check;
+int check_todo_list_from_file(struct repository *r)
+{
+ struct todo_list old_todo = TODO_LIST_INIT, new_todo = TODO_LIST_INIT;
+ int res = 0;
- /* Mark the commits in git-rebase-todo as seen */
- for (i = 0; i < todo_list.nr; i++) {
- struct commit *commit = todo_list.items[i].commit;
- if (commit)
- *commit_seen_at(&commit_seen, commit) = 1;
+ if (strbuf_read_file_or_whine(&new_todo.buf, rebase_path_todo()) < 0) {
+ res = -1;
+ goto out;
}
- todo_list_release(&todo_list);
- strbuf_addstr(&todo_file, ".backup");
- if (strbuf_read_file_or_whine(&todo_list.buf, todo_file.buf) < 0) {
+ if (strbuf_read_file_or_whine(&old_todo.buf, rebase_path_todo_backup()) < 0) {
res = -1;
- goto leave_check;
- }
- strbuf_release(&todo_file);
- res = !!parse_insn_buffer(r, todo_list.buf.buf, &todo_list);
-
- /* Find commits in git-rebase-todo.backup yet unseen */
- for (i = todo_list.nr - 1; i >= 0; i--) {
- struct todo_item *item = todo_list.items + i;
- struct commit *commit = item->commit;
- if (commit && !*commit_seen_at(&commit_seen, commit)) {
- strbuf_addf(&missing, " - %s %.*s\n",
- short_commit_name(commit),
- item->arg_len, item->arg);
- *commit_seen_at(&commit_seen, commit) = 1;
- }
+ goto out;
}
- /* Warn about missing commits */
- if (!missing.len)
- goto leave_check;
-
- if (check_level == MISSING_COMMIT_CHECK_ERROR)
- advise_to_edit_todo = res = 1;
-
- fprintf(stderr,
- _("Warning: some commits may have been dropped accidentally.\n"
- "Dropped commits (newer to older):\n"));
-
- /* Make the list user-friendly and display */
- fputs(missing.buf, stderr);
- strbuf_release(&missing);
-
- fprintf(stderr, _("To avoid this message, use \"drop\" to "
- "explicitly remove a commit.\n\n"
- "Use 'git config rebase.missingCommitsCheck' to change "
- "the level of warnings.\n"
- "The possible behaviours are: ignore, warn, error.\n\n"));
-
-leave_check:
- clear_commit_seen(&commit_seen);
- strbuf_release(&todo_file);
- todo_list_release(&todo_list);
-
- if (advise_to_edit_todo)
- fprintf(stderr,
- _("You can fix this with 'git rebase --edit-todo' "
- "and then run 'git rebase --continue'.\n"
- "Or you can abort the rebase with 'git rebase"
- " --abort'.\n"));
+ res = todo_list_parse_insn_buffer(r, old_todo.buf.buf, &old_todo);
+ if (!res)
+ res = todo_list_parse_insn_buffer(r, new_todo.buf.buf, &new_todo);
+ if (!res)
+ res = todo_list_check(&old_todo, &new_todo);
+ if (res)
+ fprintf(stderr, _(edit_todo_list_advice));
+out:
+ todo_list_release(&old_todo);
+ todo_list_release(&new_todo);
return res;
}
-static int rewrite_file(const char *path, const char *buf, size_t len)
-{
- int rc = 0;
- int fd = open(path, O_WRONLY | O_TRUNC);
- if (fd < 0)
- return error_errno(_("could not open '%s' for writing"), path);
- if (write_in_full(fd, buf, len) < 0)
- rc = error_errno(_("could not write to '%s'"), path);
- if (close(fd) && !rc)
- rc = error_errno(_("could not close '%s'"), path);
- return rc;
-}
-
/* skip picking commits whose parents are unchanged */
-static int skip_unnecessary_picks(struct repository *r, struct object_id *output_oid)
+static int skip_unnecessary_picks(struct repository *r,
+ struct todo_list *todo_list,
+ struct object_id *base_oid)
{
- const char *todo_file = rebase_path_todo();
- struct strbuf buf = STRBUF_INIT;
- struct todo_list todo_list = TODO_LIST_INIT;
struct object_id *parent_oid;
- int fd, i;
-
- if (!read_oneliner(&buf, rebase_path_onto(), 0))
- return error(_("could not read 'onto'"));
- if (get_oid(buf.buf, output_oid)) {
- strbuf_release(&buf);
- return error(_("need a HEAD to fixup"));
- }
- strbuf_release(&buf);
-
- if (strbuf_read_file_or_whine(&todo_list.buf, todo_file) < 0)
- return -1;
- if (parse_insn_buffer(r, todo_list.buf.buf, &todo_list) < 0) {
- todo_list_release(&todo_list);
- return -1;
- }
+ int i;
- for (i = 0; i < todo_list.nr; i++) {
- struct todo_item *item = todo_list.items + i;
+ for (i = 0; i < todo_list->nr; i++) {
+ struct todo_item *item = todo_list->items + i;
if (item->command >= TODO_NOOP)
continue;
if (item->command != TODO_PICK)
break;
if (parse_commit(item->commit)) {
- todo_list_release(&todo_list);
return error(_("could not parse commit '%s'"),
oid_to_hex(&item->commit->object.oid));
}
@@ -4833,135 +4737,101 @@ static int skip_unnecessary_picks(struct repository *r, struct object_id *output
if (item->commit->parents->next)
break; /* merge commit */
parent_oid = &item->commit->parents->item->object.oid;
- if (!oideq(parent_oid, output_oid))
+ if (!oideq(parent_oid, base_oid))
break;
- oidcpy(output_oid, &item->commit->object.oid);
+ oidcpy(base_oid, &item->commit->object.oid);
}
if (i > 0) {
- int offset = get_item_line_offset(&todo_list, i);
const char *done_path = rebase_path_done();
- fd = open(done_path, O_CREAT | O_WRONLY | O_APPEND, 0666);
- if (fd < 0) {
- error_errno(_("could not open '%s' for writing"),
- done_path);
- todo_list_release(&todo_list);
- return -1;
- }
- if (write_in_full(fd, todo_list.buf.buf, offset) < 0) {
+ if (todo_list_write_to_file(r, todo_list, done_path, NULL, NULL, i, 0)) {
error_errno(_("could not write to '%s'"), done_path);
- todo_list_release(&todo_list);
- close(fd);
return -1;
}
- close(fd);
- if (rewrite_file(rebase_path_todo(), todo_list.buf.buf + offset,
- todo_list.buf.len - offset) < 0) {
- todo_list_release(&todo_list);
- return -1;
- }
+ MOVE_ARRAY(todo_list->items, todo_list->items + i, todo_list->nr - i);
+ todo_list->nr -= i;
+ todo_list->current = 0;
- todo_list.current = i;
- if (is_fixup(peek_command(&todo_list, 0)))
- record_in_rewritten(output_oid, peek_command(&todo_list, 0));
+ if (is_fixup(peek_command(todo_list, 0)))
+ record_in_rewritten(base_oid, peek_command(todo_list, 0));
}
- todo_list_release(&todo_list);
-
return 0;
}
int complete_action(struct repository *r, struct replay_opts *opts, unsigned flags,
const char *shortrevisions, const char *onto_name,
- const char *onto, const char *orig_head, const char *cmd,
- unsigned autosquash)
+ const char *onto, const char *orig_head, struct string_list *commands,
+ unsigned autosquash, struct todo_list *todo_list)
{
const char *shortonto, *todo_file = rebase_path_todo();
- struct todo_list todo_list = TODO_LIST_INIT;
- struct strbuf *buf = &(todo_list.buf);
+ struct todo_list new_todo = TODO_LIST_INIT;
+ struct strbuf *buf = &todo_list->buf;
struct object_id oid;
- struct stat st;
+ int res;
get_oid(onto, &oid);
shortonto = find_unique_abbrev(&oid, DEFAULT_ABBREV);
- if (!lstat(todo_file, &st) && st.st_size == 0 &&
- write_message("noop\n", 5, todo_file, 0))
- return -1;
+ if (buf->len == 0) {
+ struct todo_item *item = append_new_todo(todo_list);
+ item->command = TODO_NOOP;
+ item->commit = NULL;
+ item->arg_len = item->arg_offset = item->flags = item->offset_in_buf = 0;
+ }
- if (autosquash && rearrange_squash(r))
+ if (autosquash && todo_list_rearrange_squash(todo_list))
return -1;
- if (cmd && *cmd)
- sequencer_add_exec_commands(r, cmd);
-
- if (strbuf_read_file(buf, todo_file, 0) < 0)
- return error_errno(_("could not read '%s'."), todo_file);
-
- if (parse_insn_buffer(r, buf->buf, &todo_list)) {
- todo_list_release(&todo_list);
- return error(_("unusable todo list: '%s'"), todo_file);
- }
+ if (commands->nr)
+ todo_list_add_exec_commands(todo_list, commands);
- if (count_commands(&todo_list) == 0) {
+ if (count_commands(todo_list) == 0) {
apply_autostash(opts);
sequencer_remove_state(opts);
- todo_list_release(&todo_list);
return error(_("nothing to do"));
}
- strbuf_addch(buf, '\n');
- strbuf_commented_addf(buf, Q_("Rebase %s onto %s (%d command)",
- "Rebase %s onto %s (%d commands)",
- count_commands(&todo_list)),
- shortrevisions, shortonto, count_commands(&todo_list));
- append_todo_help(0, flags & TODO_LIST_KEEP_EMPTY, buf);
-
- if (write_message(buf->buf, buf->len, todo_file, 0)) {
- todo_list_release(&todo_list);
+ res = edit_todo_list(r, todo_list, &new_todo, shortrevisions,
+ shortonto, flags);
+ if (res == -1)
return -1;
- }
-
- if (copy_file(rebase_path_todo_backup(), todo_file, 0666))
- return error(_("could not copy '%s' to '%s'."), todo_file,
- rebase_path_todo_backup());
-
- if (transform_todos(r, flags | TODO_LIST_SHORTEN_IDS))
- return error(_("could not transform the todo list"));
-
- strbuf_reset(buf);
-
- if (launch_sequence_editor(todo_file, buf, NULL)) {
+ else if (res == -2) {
apply_autostash(opts);
sequencer_remove_state(opts);
- todo_list_release(&todo_list);
return -1;
- }
-
- strbuf_stripspace(buf, 1);
- if (buf->len == 0) {
+ } else if (res == -3) {
apply_autostash(opts);
sequencer_remove_state(opts);
- todo_list_release(&todo_list);
+ todo_list_release(&new_todo);
return error(_("nothing to do"));
}
- todo_list_release(&todo_list);
-
- if (check_todo_list(r)) {
+ if (todo_list_parse_insn_buffer(r, new_todo.buf.buf, &new_todo) ||
+ todo_list_check(todo_list, &new_todo)) {
+ fprintf(stderr, _(edit_todo_list_advice));
checkout_onto(opts, onto_name, onto, orig_head);
+ todo_list_release(&new_todo);
+
return -1;
}
- if (transform_todos(r, flags & ~(TODO_LIST_SHORTEN_IDS)))
- return error(_("could not transform the todo list"));
-
- if (opts->allow_ff && skip_unnecessary_picks(r, &oid))
+ if (opts->allow_ff && skip_unnecessary_picks(r, &new_todo, &oid)) {
+ todo_list_release(&new_todo);
return error(_("could not skip unnecessary pick commands"));
+ }
+
+ if (todo_list_write_to_file(r, &new_todo, todo_file, NULL, NULL, -1,
+ flags & ~(TODO_LIST_SHORTEN_IDS))) {
+ todo_list_release(&new_todo);
+ return error_errno(_("could not write '%s'"), todo_file);
+ }
+
+ todo_list_release(&new_todo);
if (checkout_onto(opts, onto_name, oid_to_hex(&oid), orig_head))
return -1;
@@ -4996,21 +4866,13 @@ define_commit_slab(commit_todo_item, struct todo_item *);
* message will have to be retrieved from the commit (as the oneline in the
* script cannot be trusted) in order to normalize the autosquash arrangement.
*/
-int rearrange_squash(struct repository *r)
+int todo_list_rearrange_squash(struct todo_list *todo_list)
{
- const char *todo_file = rebase_path_todo();
- struct todo_list todo_list = TODO_LIST_INIT;
struct hashmap subject2item;
- int res = 0, rearranged = 0, *next, *tail, i;
+ int rearranged = 0, *next, *tail, i, nr = 0, alloc = 0;
char **subjects;
struct commit_todo_item commit_todo;
-
- if (strbuf_read_file_or_whine(&todo_list.buf, todo_file) < 0)
- return -1;
- if (parse_insn_buffer(r, todo_list.buf.buf, &todo_list) < 0) {
- todo_list_release(&todo_list);
- return -1;
- }
+ struct todo_item *items = NULL;
init_commit_todo_item(&commit_todo);
/*
@@ -5023,13 +4885,13 @@ int rearrange_squash(struct repository *r)
* be moved to appear after the i'th.
*/
hashmap_init(&subject2item, (hashmap_cmp_fn) subject2item_cmp,
- NULL, todo_list.nr);
- ALLOC_ARRAY(next, todo_list.nr);
- ALLOC_ARRAY(tail, todo_list.nr);
- ALLOC_ARRAY(subjects, todo_list.nr);
- for (i = 0; i < todo_list.nr; i++) {
+ NULL, todo_list->nr);
+ ALLOC_ARRAY(next, todo_list->nr);
+ ALLOC_ARRAY(tail, todo_list->nr);
+ ALLOC_ARRAY(subjects, todo_list->nr);
+ for (i = 0; i < todo_list->nr; i++) {
struct strbuf buf = STRBUF_INIT;
- struct todo_item *item = todo_list.items + i;
+ struct todo_item *item = todo_list->items + i;
const char *commit_buffer, *subject, *p;
size_t subject_len;
int i2 = -1;
@@ -5042,7 +4904,6 @@ int rearrange_squash(struct repository *r)
}
if (is_fixup(item->command)) {
- todo_list_release(&todo_list);
clear_commit_todo_item(&commit_todo);
return error(_("the script was already rearranged."));
}
@@ -5077,7 +4938,7 @@ int rearrange_squash(struct repository *r)
*commit_todo_item_at(&commit_todo, commit2))
/* found by commit name */
i2 = *commit_todo_item_at(&commit_todo, commit2)
- - todo_list.items;
+ - todo_list->items;
else {
/* copy can be a prefix of the commit subject */
for (i2 = 0; i2 < i; i2++)
@@ -5090,7 +4951,7 @@ int rearrange_squash(struct repository *r)
}
if (i2 >= 0) {
rearranged = 1;
- todo_list.items[i].command =
+ todo_list->items[i].command =
starts_with(subject, "fixup!") ?
TODO_FIXUP : TODO_SQUASH;
if (next[i2] < 0)
@@ -5108,10 +4969,8 @@ int rearrange_squash(struct repository *r)
}
if (rearranged) {
- struct strbuf buf = STRBUF_INIT;
-
- for (i = 0; i < todo_list.nr; i++) {
- enum todo_command command = todo_list.items[i].command;
+ for (i = 0; i < todo_list->nr; i++) {
+ enum todo_command command = todo_list->items[i].command;
int cur = i;
/*
@@ -5122,37 +4981,26 @@ int rearrange_squash(struct repository *r)
continue;
while (cur >= 0) {
- const char *bol =
- get_item_line(&todo_list, cur);
- const char *eol =
- get_item_line(&todo_list, cur + 1);
-
- /* replace 'pick', by 'fixup' or 'squash' */
- command = todo_list.items[cur].command;
- if (is_fixup(command)) {
- strbuf_addstr(&buf,
- todo_command_info[command].str);
- bol += strcspn(bol, " \t");
- }
-
- strbuf_add(&buf, bol, eol - bol);
-
+ ALLOC_GROW(items, nr + 1, alloc);
+ items[nr++] = todo_list->items[cur];
cur = next[cur];
}
}
- res = rewrite_file(todo_file, buf.buf, buf.len);
- strbuf_release(&buf);
+ FREE_AND_NULL(todo_list->items);
+ todo_list->items = items;
+ todo_list->nr = nr;
+ todo_list->alloc = alloc;
}
free(next);
free(tail);
- for (i = 0; i < todo_list.nr; i++)
+ for (i = 0; i < todo_list->nr; i++)
free(subjects[i]);
free(subjects);
hashmap_free(&subject2item, 1);
- todo_list_release(&todo_list);
clear_commit_todo_item(&commit_todo);
- return res;
+
+ return 0;
}