Merge branch 'ws/curl-http-proxy-over-https'
[gitweb.git] / sequencer.c
index 5e09b5d34fbcb0516ffdaf6a841a6a8ff47f4ea5..894d12ad725c2f8cdbabbc87c7db558f5a872a4e 100644 (file)
@@ -347,7 +347,7 @@ static int read_oneliner(struct strbuf *buf,
 
 static struct tree *empty_tree(void)
 {
-       return lookup_tree(&empty_tree_oid);
+       return lookup_tree(the_hash_algo->empty_tree);
 }
 
 static int error_dirty_index(struct replay_opts *opts)
@@ -393,7 +393,7 @@ static int fast_forward_to(const struct object_id *to, const struct object_id *f
        transaction = ref_transaction_begin(&err);
        if (!transaction ||
            ref_transaction_update(transaction, "HEAD",
-                                  to->hash, unborn ? null_sha1 : from->hash,
+                                  to, unborn ? &null_oid : from,
                                   0, sb.buf, &err) ||
            ref_transaction_commit(transaction, &err)) {
                ref_transaction_free(transaction);
@@ -449,6 +449,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next,
        o.branch2 = next ? next_label : "(empty tree)";
        if (is_rebase_i(opts))
                o.buffer_output = 2;
+       o.show_rename_progress = 1;
 
        head_tree = parse_tree_indirect(head);
        next_tree = next ? next->tree : empty_tree();
@@ -463,6 +464,7 @@ static int do_recursive_merge(struct commit *base, struct commit *next,
        if (is_rebase_i(opts) && clean <= 0)
                fputs(o.obuf.buf, stdout);
        strbuf_release(&o.obuf);
+       diff_warn_rename_limit("merge.renamelimit", o.needed_rename_limit, 0);
        if (clean < 0)
                return clean;
 
@@ -490,7 +492,7 @@ static int is_index_unchanged(void)
        struct object_id head_oid;
        struct commit *head_commit;
 
-       if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_oid.hash, NULL))
+       if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL))
                return error(_("could not resolve HEAD commit\n"));
 
        head_commit = lookup_commit(&head_oid);
@@ -706,7 +708,7 @@ static int is_original_commit_empty(struct commit *commit)
                                oid_to_hex(&parent->object.oid));
                ptree_oid = &parent->tree->object.oid;
        } else {
-               ptree_oid = &empty_tree_oid; /* commit is root */
+               ptree_oid = the_hash_algo->empty_tree; /* commit is root */
        }
 
        return !oidcmp(ptree_oid, &commit->tree->object.oid);
@@ -795,6 +797,13 @@ static const char *command_to_string(const enum todo_command command)
        die("Unknown command: %d", command);
 }
 
+static char command_to_char(const enum todo_command command)
+{
+       if (command < TODO_COMMENT && todo_command_info[command].c)
+               return todo_command_info[command].c;
+       return comment_line_char;
+}
+
 static int is_noop(const enum todo_command command)
 {
        return TODO_NOOP <= command;
@@ -959,8 +968,9 @@ static int do_pick_commit(enum todo_command command, struct commit *commit,
        } else {
                unborn = get_oid("HEAD", &head);
                if (unborn)
-                       oidcpy(&head, &empty_tree_oid);
-               if (index_differs_from(unborn ? EMPTY_TREE_SHA1_HEX : "HEAD", 0, 0))
+                       oidcpy(&head, the_hash_algo->empty_tree);
+               if (index_differs_from(unborn ? EMPTY_TREE_SHA1_HEX : "HEAD",
+                                      NULL, 0))
                        return error_dirty_index(opts);
        }
        discard_cache();
@@ -1116,12 +1126,12 @@ static int do_pick_commit(enum todo_command command, struct commit *commit,
         * write it at all.
         */
        if (command == TODO_PICK && !opts->no_commit && (res == 0 || res == 1) &&
-           update_ref(NULL, "CHERRY_PICK_HEAD", commit->object.oid.hash, NULL,
-                      REF_NODEREF, UPDATE_REFS_MSG_ON_ERR))
+           update_ref(NULL, "CHERRY_PICK_HEAD", &commit->object.oid, NULL,
+                      REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR))
                res = -1;
        if (command == TODO_REVERT && ((opts->no_commit && res == 0) || res == 1) &&
-           update_ref(NULL, "REVERT_HEAD", commit->object.oid.hash, NULL,
-                      REF_NODEREF, UPDATE_REFS_MSG_ON_ERR))
+           update_ref(NULL, "REVERT_HEAD", &commit->object.oid, NULL,
+                      REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR))
                res = -1;
 
        if (res) {
@@ -1185,7 +1195,6 @@ static int read_and_refresh_cache(struct replay_opts *opts)
        refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, NULL, NULL, NULL);
        if (the_index.cache_changed && index_fd >= 0) {
                if (write_locked_index(&the_index, &index_lock, COMMIT_LOCK)) {
-                       rollback_lock_file(&index_lock);
                        return error(_("git %s: failed to refresh the index"),
                                _(action_name(opts)));
                }
@@ -1268,6 +1277,7 @@ static int parse_insn_line(struct todo_item *item, const char *bol, char *eol)
        bol += padding;
 
        if (item->command == TODO_EXEC) {
+               item->commit = NULL;
                item->arg = bol;
                item->arg_len = (int)(eol - bol);
                return 0;
@@ -1631,7 +1641,7 @@ static int rollback_single_pick(void)
        if (!file_exists(git_path_cherry_pick_head()) &&
            !file_exists(git_path_revert_head()))
                return error(_("no cherry-pick or revert in progress"));
-       if (read_ref_full("HEAD", 0, head_oid.hash, NULL))
+       if (read_ref_full("HEAD", 0, &head_oid, NULL))
                return error(_("cannot resolve HEAD"));
        if (is_null_oid(&head_oid))
                return error(_("cannot abort from a branch yet to be born"));
@@ -2130,8 +2140,8 @@ static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts)
                        }
                        msg = reflog_message(opts, "finish", "%s onto %s",
                                head_ref.buf, buf.buf);
-                       if (update_ref(msg, head_ref.buf, head.hash, orig.hash,
-                                       REF_NODEREF, UPDATE_REFS_MSG_ON_ERR)) {
+                       if (update_ref(msg, head_ref.buf, &head, &orig,
+                                      REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR)) {
                                res = error(_("could not update %s"),
                                        head_ref.buf);
                                goto cleanup_head_ref;
@@ -2285,7 +2295,7 @@ int sequencer_continue(struct replay_opts *opts)
                        if (res)
                                goto release_todo_list;
                }
-               if (index_differs_from("HEAD", 0, 0)) {
+               if (index_differs_from("HEAD", NULL, 0)) {
                        res = error_dirty_index(opts);
                        goto release_todo_list;
                }
@@ -2443,14 +2453,16 @@ void append_signoff(struct strbuf *msgbuf, int ignore_footer, unsigned flag)
        strbuf_release(&sob);
 }
 
-int sequencer_make_script(int keep_empty, FILE *out,
-               int argc, const char **argv)
+int sequencer_make_script(FILE *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;
+       const char *insn = flags & TODO_LIST_ABBREVIATE_CMDS ? "p" : "pick";
 
        init_revisions(&revs, NULL);
        revs.verbose_header = 1;
@@ -2483,7 +2495,8 @@ int sequencer_make_script(int keep_empty, FILE *out,
                strbuf_reset(&buf);
                if (!keep_empty && is_original_commit_empty(commit))
                        strbuf_addf(&buf, "%c ", comment_line_char);
-               strbuf_addf(&buf, "pick %s ", oid_to_hex(&commit->object.oid));
+               strbuf_addf(&buf, "%s %s ", insn,
+                           oid_to_hex(&commit->object.oid));
                pretty_print_commit(&pp, commit, &buf);
                strbuf_addch(&buf, '\n');
                fputs(buf.buf, out);
@@ -2492,61 +2505,90 @@ int sequencer_make_script(int keep_empty, FILE *out,
        return 0;
 }
 
-
-int transform_todo_ids(int shorten_ids)
+/*
+ * Add commands after pick and (series of) squash/fixup commands
+ * in the todo list.
+ */
+int sequencer_add_exec_commands(const char *commands)
 {
        const char *todo_file = rebase_path_todo();
        struct todo_list todo_list = TODO_LIST_INIT;
-       int fd, res, i;
-       FILE *out;
+       struct todo_item *item;
+       struct strbuf *buf = &todo_list.buf;
+       size_t offset = 0, commands_len = strlen(commands);
+       int i, first;
 
-       strbuf_reset(&todo_list.buf);
-       fd = open(todo_file, O_RDONLY);
-       if (fd < 0)
-               return error_errno(_("could not open '%s'"), todo_file);
-       if (strbuf_read(&todo_list.buf, fd, 0) < 0) {
-               close(fd);
+       if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
                return error(_("could not read '%s'."), todo_file);
-       }
-       close(fd);
 
-       res = parse_insn_buffer(todo_list.buf.buf, &todo_list);
-       if (res) {
+       if (parse_insn_buffer(todo_list.buf.buf, &todo_list)) {
                todo_list_release(&todo_list);
                return error(_("unusable todo list: '%s'"), todo_file);
        }
 
-       out = fopen(todo_file, "w");
-       if (!out) {
+       first = 1;
+       /* insert <commands> before every pick except the first one */
+       for (item = todo_list.items, i = 0; i < todo_list.nr; i++, item++) {
+               if (item->command == TODO_PICK && !first) {
+                       strbuf_insert(buf, item->offset_in_buf + offset,
+                                     commands, commands_len);
+                       offset += commands_len;
+               }
+               first = 0;
+       }
+
+       /* append final <commands> */
+       strbuf_add(buf, commands, commands_len);
+
+       i = write_message(buf->buf, buf->len, todo_file, 0);
+       todo_list_release(&todo_list);
+       return i;
+}
+
+int transform_todos(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;
+
+       if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0)
+               return error(_("could not read '%s'."), todo_file);
+
+       if (parse_insn_buffer(todo_list.buf.buf, &todo_list)) {
                todo_list_release(&todo_list);
-               return error(_("unable to open '%s' for writing"), todo_file);
+               return error(_("unusable todo list: '%s'"), todo_file);
        }
-       for (i = 0; i < todo_list.nr; i++) {
-               struct todo_item *item = todo_list.items + i;
-               int bol = item->offset_in_buf;
-               const char *p = todo_list.buf.buf + bol;
-               int eol = i + 1 < todo_list.nr ?
-                       todo_list.items[i + 1].offset_in_buf :
-                       todo_list.buf.len;
-
-               if (item->command >= TODO_EXEC && item->command != TODO_DROP)
-                       fwrite(p, eol - bol, 1, out);
-               else {
-                       const char *id = shorten_ids ?
-                               short_commit_name(item->commit) :
-                               oid_to_hex(&item->commit->object.oid);
-                       int len;
-
-                       p += strspn(p, " \t"); /* left-trim command */
-                       len = strcspn(p, " \t"); /* length of command */
-
-                       fprintf(out, "%.*s %s %.*s\n",
-                               len, p, id, item->arg_len, item->arg);
+
+       for (item = todo_list.items, i = 0; i < todo_list.nr; 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);
+                       continue;
                }
+
+               /* add command to the buffer */
+               if (flags & TODO_LIST_ABBREVIATE_CMDS)
+                       strbuf_addch(&buf, command_to_char(item->command));
+               else
+                       strbuf_addstr(&buf, command_to_string(item->command));
+
+               /* add commit id */
+               if (item->commit) {
+                       const char *oid = flags & TODO_LIST_SHORTEN_IDS ?
+                                         short_commit_name(item->commit) :
+                                         oid_to_hex(&item->commit->object.oid);
+
+                       strbuf_addf(&buf, " %s", oid);
+               }
+               /* add all the rest */
+               strbuf_addf(&buf, " %.*s\n", item->arg_len, item->arg);
        }
-       fclose(out);
+
+       i = write_message(buf.buf, buf.len, todo_file, 0);
        todo_list_release(&todo_list);
-       return 0;
+       return i;
 }
 
 enum check_level {