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sequencer: make sequencer_make_script() write its script to a strbuf

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This makes sequencer_make_script() write its script to a strbuf (ie. the
buffer of a todo_list) instead of a FILE.  This reduce the amount of
read/write made by rebase interactive.

Signed-off-by: Alban Gruin <alban.gruin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Alban Gruin 2019-03-05 20:17:56 +01:00 committed by Junio C Hamano
parent f2a04904be
commit d358fc286d
3 changed files with 28 additions and 31 deletions
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13
builtin/rebase--interactive.c
View File

@ -71,7 +71,8 @@ static int do_interactive_rebase(struct replay_opts *opts, unsigned flags,
const char *head_hash = NULL;
char *revisions = NULL, *shortrevisions = NULL;
struct argv_array make_script_args = ARGV_ARRAY_INIT;
FILE *todo_list;
FILE *todo_list_file;
struct todo_list todo_list = TODO_LIST_INIT;
if (prepare_branch_to_be_rebased(opts, switch_to))
return -1;
@ -93,8 +94,8 @@ static int do_interactive_rebase(struct replay_opts *opts, unsigned flags,
if (!upstream && squash_onto)
write_file(path_squash_onto(), "%s\n", squash_onto);
todo_list = fopen(rebase_path_todo(), "w");
if (!todo_list) {
todo_list_file = fopen(rebase_path_todo(), "w");
if (!todo_list_file) {
free(revisions);
free(shortrevisions);
@ -105,10 +106,11 @@ static int do_interactive_rebase(struct replay_opts *opts, unsigned flags,
if (restrict_revision)
argv_array_push(&make_script_args, restrict_revision);
ret = sequencer_make_script(the_repository, todo_list,
ret = sequencer_make_script(the_repository, &todo_list.buf,
make_script_args.argc, make_script_args.argv,
flags);
fclose(todo_list);
fputs(todo_list.buf.buf, todo_list_file);
fclose(todo_list_file);
if (ret)
error(_("could not generate todo list"));
@ -121,6 +123,7 @@ static int do_interactive_rebase(struct replay_opts *opts, unsigned flags,
free(revisions);
free(shortrevisions);
todo_list_release(&todo_list);
argv_array_clear(&make_script_args);
return ret;

41
sequencer.c
View File

@ -4215,7 +4215,7 @@ 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;
@ -4360,7 +4360,7 @@ 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;
@ -4370,9 +4370,9 @@ 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)) {
@ -4385,8 +4385,8 @@ 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;
@ -4399,12 +4399,12 @@ 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);
}
}
@ -4413,11 +4413,11 @@ 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);
}
@ -4439,13 +4439,11 @@ 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;
@ -4488,16 +4486,13 @@ 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;
}

5
sequencer.h
View File

@ -142,9 +142,8 @@ int sequencer_remove_state(struct replay_opts *opts);
#define TODO_LIST_REBASE_COUSINS (1U << 4)
#define TODO_LIST_APPEND_TODO_HELP (1U << 5)
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);
int sequencer_add_exec_commands(struct repository *r,
struct string_list *commands);