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-rw-r--r--sequencer.c273
1 files changed, 222 insertions, 51 deletions
diff --git a/sequencer.c b/sequencer.c
index 8952cfa89b..8a51c9042b 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -131,7 +131,7 @@ static GIT_PATH_FUNC(rebase_path_rewritten_pending,
"rebase-merge/rewritten-pending")
/*
- * The path of the file containig the OID of the "squash onto" commit, i.e.
+ * The path of the file containing the OID of the "squash onto" commit, i.e.
* the dummy commit used for `reset [new root]`.
*/
static GIT_PATH_FUNC(rebase_path_squash_onto, "rebase-merge/squash-onto")
@@ -147,6 +147,8 @@ static GIT_PATH_FUNC(rebase_path_refs_to_delete, "rebase-merge/refs-to-delete")
* command-line.
*/
static GIT_PATH_FUNC(rebase_path_gpg_sign_opt, "rebase-merge/gpg_sign_opt")
+static GIT_PATH_FUNC(rebase_path_cdate_is_adate, "rebase-merge/cdate_is_adate")
+static GIT_PATH_FUNC(rebase_path_ignore_date, "rebase-merge/ignore_date")
static GIT_PATH_FUNC(rebase_path_orig_head, "rebase-merge/orig-head")
static GIT_PATH_FUNC(rebase_path_verbose, "rebase-merge/verbose")
static GIT_PATH_FUNC(rebase_path_quiet, "rebase-merge/quiet")
@@ -823,9 +825,19 @@ int read_author_script(const char *path, char **name, char **email, char **date,
error(_("missing 'GIT_AUTHOR_DATE'"));
if (date_i < 0 || email_i < 0 || date_i < 0 || err)
goto finish;
- *name = kv.items[name_i].util;
- *email = kv.items[email_i].util;
- *date = kv.items[date_i].util;
+
+ if (name)
+ *name = kv.items[name_i].util;
+ else
+ free(kv.items[name_i].util);
+ if (email)
+ *email = kv.items[email_i].util;
+ else
+ free(kv.items[email_i].util);
+ if (date)
+ *date = kv.items[date_i].util;
+ else
+ free(kv.items[date_i].util);
retval = 0;
finish:
string_list_clear(&kv, !!retval);
@@ -868,6 +880,47 @@ static char *get_author(const char *message)
return NULL;
}
+/* Returns a "date" string that needs to be free()'d by the caller */
+static char *read_author_date_or_null(void)
+{
+ char *date;
+
+ if (read_author_script(rebase_path_author_script(),
+ NULL, NULL, &date, 0))
+ return NULL;
+ return date;
+}
+
+/* Construct a free()able author string with current time as the author date */
+static char *ignore_author_date(const char *author)
+{
+ int len = strlen(author);
+ struct ident_split ident;
+ struct strbuf new_author = STRBUF_INIT;
+
+ if (split_ident_line(&ident, author, len) < 0) {
+ error(_("malformed ident line"));
+ return NULL;
+ }
+ len = ident.mail_end - ident.name_begin + 1;
+
+ strbuf_addf(&new_author, "%.*s ", len, ident.name_begin);
+ datestamp(&new_author);
+ return strbuf_detach(&new_author, NULL);
+}
+
+static void push_dates(struct child_process *child, int change_committer_date)
+{
+ time_t now = time(NULL);
+ struct strbuf date = STRBUF_INIT;
+
+ strbuf_addf(&date, "@%"PRIuMAX, (uintmax_t)now);
+ argv_array_pushf(&child->env_array, "GIT_AUTHOR_DATE=%s", date.buf);
+ if (change_committer_date)
+ argv_array_pushf(&child->env_array, "GIT_COMMITTER_DATE=%s", date.buf);
+ strbuf_release(&date);
+}
+
static const char staged_changes_advice[] =
N_("you have staged changes in your working tree\n"
"If these changes are meant to be squashed into the previous commit, run:\n"
@@ -927,6 +980,25 @@ static int run_git_commit(struct repository *r,
cmd.git_cmd = 1;
+ if (opts->committer_date_is_author_date) {
+ int res = -1;
+ struct strbuf datebuf = STRBUF_INIT;
+ char *date = read_author_date_or_null();
+
+ if (!date)
+ return -1;
+
+ strbuf_addf(&datebuf, "@%s", date);
+ res = setenv("GIT_COMMITTER_DATE",
+ opts->ignore_date ? "" : datebuf.buf, 1);
+
+ strbuf_release(&datebuf);
+ free(date);
+
+ if (res)
+ return -1;
+ }
+
if (is_rebase_i(opts) && read_env_script(&cmd.env_array)) {
const char *gpg_opt = gpg_sign_opt_quoted(opts);
@@ -942,6 +1014,8 @@ static int run_git_commit(struct repository *r,
argv_array_push(&cmd.args, "--amend");
if (opts->gpg_sign)
argv_array_pushf(&cmd.args, "-S%s", opts->gpg_sign);
+ if (opts->ignore_date)
+ push_dates(&cmd, opts->committer_date_is_author_date);
if (defmsg)
argv_array_pushl(&cmd.args, "-F", defmsg, NULL);
else if (!(flags & EDIT_MSG))
@@ -1310,14 +1384,13 @@ static int try_to_commit(struct repository *r,
struct commit_extra_header *extra = NULL;
struct strbuf err = STRBUF_INIT;
struct strbuf commit_msg = STRBUF_INIT;
- char *amend_author = NULL;
+ char *author_to_free = NULL;
const char *hook_commit = NULL;
enum commit_msg_cleanup_mode cleanup;
int res = 0;
if (parse_head(r, &current_head))
return -1;
-
if (flags & AMEND_MSG) {
const char *exclude_gpgsig[] = { "gpgsig", NULL };
const char *out_enc = get_commit_output_encoding();
@@ -1332,7 +1405,7 @@ static int try_to_commit(struct repository *r,
strbuf_addstr(msg, orig_message);
hook_commit = "HEAD";
}
- author = amend_author = get_author(message);
+ author = author_to_free = get_author(message);
unuse_commit_buffer(current_head, message);
if (!author) {
res = error(_("unable to parse commit author"));
@@ -1345,16 +1418,57 @@ static int try_to_commit(struct repository *r,
commit_list_insert(current_head, &parents);
}
+ if (opts->committer_date_is_author_date) {
+ int len = strlen(author);
+ struct ident_split ident;
+ struct strbuf date = STRBUF_INIT;
+
+ if (split_ident_line(&ident, author, len) < 0) {
+ res = error(_("malformed ident line"));
+ goto out;
+ }
+ if (!ident.date_begin) {
+ res = error(_("corrupted author without date information"));
+ goto out;
+ }
+
+ strbuf_addf(&date, "@%.*s %.*s",
+ (int)(ident.date_end - ident.date_begin), ident.date_begin,
+ (int)(ident.tz_end - ident.tz_begin), ident.tz_begin);
+ res = setenv("GIT_COMMITTER_DATE",
+ opts->ignore_date ? "" : date.buf, 1);
+ strbuf_release(&date);
+
+ if (res)
+ goto out;
+ }
+
if (write_index_as_tree(&tree, r->index, r->index_file, 0, NULL)) {
res = error(_("git write-tree failed to write a tree"));
goto out;
}
- if (!(flags & ALLOW_EMPTY) && oideq(current_head ?
- get_commit_tree_oid(current_head) :
- the_hash_algo->empty_tree, &tree)) {
- res = 1; /* run 'git commit' to display error message */
- goto out;
+ if (!(flags & ALLOW_EMPTY)) {
+ struct commit *first_parent = current_head;
+
+ if (flags & AMEND_MSG) {
+ if (current_head->parents) {
+ first_parent = current_head->parents->item;
+ if (repo_parse_commit(r, first_parent)) {
+ res = error(_("could not parse HEAD commit"));
+ goto out;
+ }
+ } else {
+ first_parent = NULL;
+ }
+ }
+ if (oideq(first_parent
+ ? get_commit_tree_oid(first_parent)
+ : the_hash_algo->empty_tree,
+ &tree)) {
+ res = 1; /* run 'git commit' to display error message */
+ goto out;
+ }
}
if (find_hook("prepare-commit-msg")) {
@@ -1388,6 +1502,15 @@ static int try_to_commit(struct repository *r,
reset_ident_date();
+ if (opts->ignore_date) {
+ author = ignore_author_date(author);
+ if (!author) {
+ res = -1;
+ goto out;
+ }
+ free(author_to_free);
+ author_to_free = (char *)author;
+ }
if (commit_tree_extended(msg->buf, msg->len, &tree, parents,
oid, author, opts->gpg_sign, extra)) {
res = error(_("failed to write commit object"));
@@ -1408,7 +1531,7 @@ out:
free_commit_extra_headers(extra);
strbuf_release(&err);
strbuf_release(&commit_msg);
- free(amend_author);
+ free(author_to_free);
return res;
}
@@ -1574,6 +1697,7 @@ static int update_squash_messages(struct repository *r,
struct strbuf buf = STRBUF_INIT;
int res;
const char *message, *body;
+ const char *encoding = get_commit_output_encoding();
if (opts->current_fixup_count > 0) {
struct strbuf header = STRBUF_INIT;
@@ -1600,7 +1724,7 @@ static int update_squash_messages(struct repository *r,
return error(_("need a HEAD to fixup"));
if (!(head_commit = lookup_commit_reference(r, &head)))
return error(_("could not read HEAD"));
- if (!(head_message = get_commit_buffer(head_commit, NULL)))
+ if (!(head_message = logmsg_reencode(head_commit, NULL, encoding)))
return error(_("could not read HEAD's commit message"));
find_commit_subject(head_message, &body);
@@ -1621,7 +1745,7 @@ static int update_squash_messages(struct repository *r,
unuse_commit_buffer(head_commit, head_message);
}
- if (!(message = get_commit_buffer(commit, NULL)))
+ if (!(message = logmsg_reencode(commit, NULL, encoding)))
return error(_("could not read commit message of %s"),
oid_to_hex(&commit->object.oid));
find_commit_subject(message, &body);
@@ -2468,6 +2592,16 @@ static int read_populate_opts(struct replay_opts *opts)
opts->signoff = 1;
}
+ if (file_exists(rebase_path_cdate_is_adate())) {
+ opts->allow_ff = 0;
+ opts->committer_date_is_author_date = 1;
+ }
+
+ if (file_exists(rebase_path_ignore_date())) {
+ opts->allow_ff = 0;
+ opts->ignore_date = 1;
+ }
+
if (file_exists(rebase_path_reschedule_failed_exec()))
opts->reschedule_failed_exec = 1;
@@ -2550,6 +2684,10 @@ int write_basic_state(struct replay_opts *opts, const char *head_name,
write_file(rebase_path_gpg_sign_opt(), "-S%s\n", opts->gpg_sign);
if (opts->signoff)
write_file(rebase_path_signoff(), "--signoff\n");
+ if (opts->committer_date_is_author_date)
+ write_file(rebase_path_cdate_is_adate(), "%s", "");
+ if (opts->ignore_date)
+ write_file(rebase_path_ignore_date(), "%s", "");
if (opts->reschedule_failed_exec)
write_file(rebase_path_reschedule_failed_exec(), "%s", "");
@@ -2562,14 +2700,17 @@ static int walk_revs_populate_todo(struct todo_list *todo_list,
enum todo_command command = opts->action == REPLAY_PICK ?
TODO_PICK : TODO_REVERT;
const char *command_string = todo_command_info[command].str;
+ const char *encoding;
struct commit *commit;
if (prepare_revs(opts))
return -1;
+ encoding = get_log_output_encoding();
+
while ((commit = get_revision(opts->revs))) {
struct todo_item *item = append_new_todo(todo_list);
- const char *commit_buffer = get_commit_buffer(commit, NULL);
+ const char *commit_buffer = logmsg_reencode(commit, NULL, encoding);
const char *subject;
int subject_len;
@@ -2966,7 +3107,8 @@ static int make_patch(struct repository *r,
strbuf_addf(&buf, "%s/message", get_dir(opts));
if (!file_exists(buf.buf)) {
- const char *commit_buffer = get_commit_buffer(commit, NULL);
+ const char *encoding = get_commit_output_encoding();
+ const char *commit_buffer = logmsg_reencode(commit, NULL, encoding);
find_commit_subject(commit_buffer, &subject);
res |= write_message(subject, strlen(subject), buf.buf, 1);
unuse_commit_buffer(commit, commit_buffer);
@@ -3368,7 +3510,8 @@ static int do_merge(struct repository *r,
}
if (commit) {
- const char *message = get_commit_buffer(commit, NULL);
+ const char *encoding = get_commit_output_encoding();
+ const char *message = logmsg_reencode(commit, NULL, encoding);
const char *body;
int len;
@@ -3485,6 +3628,8 @@ static int do_merge(struct repository *r,
argv_array_push(&cmd.args, git_path_merge_msg(r));
if (opts->gpg_sign)
argv_array_push(&cmd.args, opts->gpg_sign);
+ if (opts->ignore_date)
+ push_dates(&cmd, opts->committer_date_is_author_date);
/* Add the tips to be merged */
for (j = to_merge; j; j = j->next)
@@ -3757,7 +3902,9 @@ static int pick_commits(struct repository *r,
setenv(GIT_REFLOG_ACTION, action_name(opts), 0);
if (opts->allow_ff)
assert(!(opts->signoff || opts->no_commit ||
- opts->record_origin || opts->edit));
+ opts->record_origin || opts->edit ||
+ opts->committer_date_is_author_date ||
+ opts->ignore_date));
if (read_and_refresh_cache(r, opts))
return -1;
@@ -3908,7 +4055,7 @@ static int pick_commits(struct repository *r,
item->commit,
arg, item->arg_len,
opts, res, 0);
- } else if (check_todo && !res) {
+ } else if (is_rebase_i(opts) && check_todo && !res) {
struct stat st;
if (stat(get_todo_path(opts), &st)) {
@@ -4149,9 +4296,10 @@ static int commit_staged_changes(struct repository *r,
*/
struct commit *commit;
const char *path = rebase_path_squash_msg();
+ const char *encoding = get_commit_output_encoding();
if (parse_head(r, &commit) ||
- !(p = get_commit_buffer(commit, NULL)) ||
+ !(p = logmsg_reencode(commit, NULL, encoding)) ||
write_message(p, strlen(p), path, 0)) {
unuse_commit_buffer(commit, p);
return error(_("could not write file: "
@@ -4423,7 +4571,6 @@ static const char *label_oid(struct object_id *oid, const char *label,
struct labels_entry *labels_entry;
struct string_entry *string_entry;
struct object_id dummy;
- size_t len;
int i;
string_entry = oidmap_get(&state->commit2label, oid);
@@ -4443,10 +4590,10 @@ static const char *label_oid(struct object_id *oid, const char *label,
* abbreviation for any uninteresting commit's names that does not
* clash with any other label.
*/
+ strbuf_reset(&state->buf);
if (!label) {
char *p;
- strbuf_reset(&state->buf);
strbuf_grow(&state->buf, GIT_MAX_HEXSZ);
label = p = state->buf.buf;
@@ -4469,32 +4616,55 @@ static const char *label_oid(struct object_id *oid, const char *label,
p[i] = save;
}
}
- } else if (((len = strlen(label)) == the_hash_algo->hexsz &&
- !get_oid_hex(label, &dummy)) ||
- (len == 1 && *label == '#') ||
- hashmap_get_from_hash(&state->labels,
- strihash(label), label)) {
+ } else {
+ struct strbuf *buf = &state->buf;
+
/*
- * If the label already exists, or if the label is a valid full
- * OID, or the label is a '#' (which we use as a separator
- * between merge heads and oneline), we append a dash and a
- * number to make it unique.
+ * Sanitize labels by replacing non-alpha-numeric characters
+ * (including white-space ones) by dashes, as they might be
+ * illegal in file names (and hence in ref names).
+ *
+ * Note that we retain non-ASCII UTF-8 characters (identified
+ * via the most significant bit). They should be all acceptable
+ * in file names. We do not validate the UTF-8 here, that's not
+ * the job of this function.
*/
- struct strbuf *buf = &state->buf;
+ for (; *label; label++)
+ if ((*label & 0x80) || isalnum(*label))
+ strbuf_addch(buf, *label);
+ /* avoid leading dash and double-dashes */
+ else if (buf->len && buf->buf[buf->len - 1] != '-')
+ strbuf_addch(buf, '-');
+ if (!buf->len) {
+ strbuf_addstr(buf, "rev-");
+ strbuf_add_unique_abbrev(buf, oid, default_abbrev);
+ }
+ label = buf->buf;
- strbuf_reset(buf);
- strbuf_add(buf, label, len);
+ if ((buf->len == the_hash_algo->hexsz &&
+ !get_oid_hex(label, &dummy)) ||
+ (buf->len == 1 && *label == '#') ||
+ hashmap_get_from_hash(&state->labels,
+ strihash(label), label)) {
+ /*
+ * If the label already exists, or if the label is a
+ * valid full OID, or the label is a '#' (which we use
+ * as a separator between merge heads and oneline), we
+ * append a dash and a number to make it unique.
+ */
+ size_t len = buf->len;
- for (i = 2; ; i++) {
- strbuf_setlen(buf, len);
- strbuf_addf(buf, "-%d", i);
- if (!hashmap_get_from_hash(&state->labels,
- strihash(buf->buf),
- buf->buf))
- break;
- }
+ for (i = 2; ; i++) {
+ strbuf_setlen(buf, len);
+ strbuf_addf(buf, "-%d", i);
+ if (!hashmap_get_from_hash(&state->labels,
+ strihash(buf->buf),
+ buf->buf))
+ break;
+ }
- label = buf->buf;
+ label = buf->buf;
+ }
}
FLEX_ALLOC_STR(labels_entry, label, label);
@@ -4538,10 +4708,15 @@ static int make_script_with_merges(struct pretty_print_context *pp,
strbuf_init(&state.buf, 32);
if (revs->cmdline.nr && (revs->cmdline.rev[0].flags & BOTTOM)) {
+ struct labels_entry *onto_label_entry;
struct object_id *oid = &revs->cmdline.rev[0].item->oid;
FLEX_ALLOC_STR(entry, string, "onto");
oidcpy(&entry->entry.oid, oid);
oidmap_put(&state.commit2label, entry);
+
+ FLEX_ALLOC_STR(onto_label_entry, label, "onto");
+ hashmap_entry_init(&onto_label_entry->entry, strihash("onto"));
+ hashmap_add(&state.labels, &onto_label_entry->entry);
}
/*
@@ -4596,10 +4771,6 @@ static int make_script_with_merges(struct pretty_print_context *pp,
else
strbuf_addbuf(&label, &oneline);
- for (p1 = label.buf; *p1; p1++)
- if (isspace(*p1))
- *(char *)p1 = '-';
-
strbuf_reset(&buf);
strbuf_addf(&buf, "%s -C %s",
cmd_merge, oid_to_hex(&commit->object.oid));
@@ -4642,7 +4813,7 @@ static int make_script_with_merges(struct pretty_print_context *pp,
label_oid(oid, "branch-point", &state);
}
- /* Add HEAD as implict "tip of branch" */
+ /* Add HEAD as implicit "tip of branch" */
if (!iter->next)
tips_tail = &commit_list_insert(iter->item,
tips_tail)->next;
@@ -4824,7 +4995,7 @@ void todo_list_add_exec_commands(struct todo_list *todo_list,
* 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
+ * As we insert the exec commands immediately 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
@@ -5167,7 +5338,7 @@ int todo_list_rearrange_squash(struct todo_list *todo_list)
*commit_todo_item_at(&commit_todo, item->commit) = item;
parse_commit(item->commit);
- commit_buffer = get_commit_buffer(item->commit, NULL);
+ commit_buffer = logmsg_reencode(item->commit, NULL, "UTF-8");
find_commit_subject(commit_buffer, &subject);
format_subject(&buf, subject, " ");
subject = subjects[i] = strbuf_detach(&buf, &subject_len);