From d0d0ef1f67c1549aa1eab55c9a4ec1c2c34fccaa Mon Sep 17 00:00:00 2001 From: Jeff Smith Date: Wed, 24 May 2017 00:15:30 -0500 Subject: blame: create scoreboard setup function Create function that completes setting up blame_scoreboard structure. Signed-off-by: Jeff Smith Signed-off-by: Junio C Hamano diff --git a/builtin/blame.c b/builtin/blame.c index f839571..fd41551 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -2544,6 +2544,105 @@ void init_scoreboard(struct blame_scoreboard *sb) sb->copy_score = BLAME_DEFAULT_COPY_SCORE; } +void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blame_origin **orig) +{ + const char *final_commit_name = NULL; + struct blame_origin *o; + struct commit *final_commit = NULL; + enum object_type type; + + if (sb->reverse && sb->contents_from) + die(_("--contents and --reverse do not blend well.")); + + if (!sb->reverse) { + sb->final = find_single_final(sb->revs, &final_commit_name); + sb->commits.compare = compare_commits_by_commit_date; + } else { + sb->final = find_single_initial(sb->revs, &final_commit_name); + sb->commits.compare = compare_commits_by_reverse_commit_date; + } + + if (sb->final && sb->contents_from) + die(_("cannot use --contents with final commit object name")); + + if (sb->reverse && sb->revs->first_parent_only) + sb->revs->children.name = NULL; + + if (!sb->final) { + /* + * "--not A B -- path" without anything positive; + * do not default to HEAD, but use the working tree + * or "--contents". + */ + setup_work_tree(); + sb->final = fake_working_tree_commit(&sb->revs->diffopt, + path, sb->contents_from); + add_pending_object(sb->revs, &(sb->final->object), ":"); + } + + if (sb->reverse && sb->revs->first_parent_only) { + final_commit = find_single_final(sb->revs, NULL); + if (!final_commit) + die(_("--reverse and --first-parent together require specified latest commit")); + } + + /* + * If we have bottom, this will mark the ancestors of the + * bottom commits we would reach while traversing as + * uninteresting. + */ + if (prepare_revision_walk(sb->revs)) + die(_("revision walk setup failed")); + + if (sb->reverse && sb->revs->first_parent_only) { + struct commit *c = final_commit; + + sb->revs->children.name = "children"; + while (c->parents && + oidcmp(&c->object.oid, &sb->final->object.oid)) { + struct commit_list *l = xcalloc(1, sizeof(*l)); + + l->item = c; + if (add_decoration(&sb->revs->children, + &c->parents->item->object, l)) + die("BUG: not unique item in first-parent chain"); + c = c->parents->item; + } + + if (oidcmp(&c->object.oid, &sb->final->object.oid)) + die(_("--reverse --first-parent together require range along first-parent chain")); + } + + if (is_null_oid(&sb->final->object.oid)) { + o = sb->final->util; + sb->final_buf = xmemdupz(o->file.ptr, o->file.size); + sb->final_buf_size = o->file.size; + } + else { + o = get_origin(sb->final, path); + if (fill_blob_sha1_and_mode(o)) + die(_("no such path %s in %s"), path, final_commit_name); + + if (DIFF_OPT_TST(&sb->revs->diffopt, ALLOW_TEXTCONV) && + textconv_object(path, o->mode, &o->blob_oid, 1, (char **) &sb->final_buf, + &sb->final_buf_size)) + ; + else + sb->final_buf = read_sha1_file(o->blob_oid.hash, &type, + &sb->final_buf_size); + + if (!sb->final_buf) + die(_("cannot read blob %s for path %s"), + oid_to_hex(&o->blob_oid), + path); + } + sb->num_read_blob++; + prepare_lines(sb); + + if (orig) + *orig = o; +} + int cmd_blame(int argc, const char **argv, const char *prefix) { struct rev_info revs; @@ -2552,9 +2651,6 @@ int cmd_blame(int argc, const char **argv, const char *prefix) struct blame_origin *o; struct blame_entry *ent = NULL; long dashdash_pos, lno; - const char *final_commit_name = NULL; - enum object_type type; - struct commit *final_commit = NULL; struct progress_info pi = { NULL, 0 }; struct string_list range_list = STRING_LIST_INIT_NODUP; @@ -2759,92 +2855,8 @@ parse_done: sb.revs = &revs; sb.contents_from = contents_from; sb.reverse = reverse; - - if (!reverse) { - sb.final = find_single_final(&revs, &final_commit_name); - sb.commits.compare = compare_commits_by_commit_date; - } - else if (contents_from) - die(_("--contents and --reverse do not blend well.")); - else { - sb.final = find_single_initial(&revs, &final_commit_name); - sb.commits.compare = compare_commits_by_reverse_commit_date; - if (revs.first_parent_only) - revs.children.name = NULL; - } - - if (!sb.final) { - /* - * "--not A B -- path" without anything positive; - * do not default to HEAD, but use the working tree - * or "--contents". - */ - setup_work_tree(); - sb.final = fake_working_tree_commit(&sb.revs->diffopt, - path, contents_from); - add_pending_object(&revs, &(sb.final->object), ":"); - } - else if (contents_from) - die(_("cannot use --contents with final commit object name")); - - if (reverse && revs.first_parent_only) { - final_commit = find_single_final(sb.revs, NULL); - if (!final_commit) - die(_("--reverse and --first-parent together require specified latest commit")); - } - - /* - * If we have bottom, this will mark the ancestors of the - * bottom commits we would reach while traversing as - * uninteresting. - */ - if (prepare_revision_walk(&revs)) - die(_("revision walk setup failed")); - - if (reverse && revs.first_parent_only) { - struct commit *c = final_commit; - - sb.revs->children.name = "children"; - while (c->parents && - oidcmp(&c->object.oid, &sb.final->object.oid)) { - struct commit_list *l = xcalloc(1, sizeof(*l)); - - l->item = c; - if (add_decoration(&sb.revs->children, - &c->parents->item->object, l)) - die("BUG: not unique item in first-parent chain"); - c = c->parents->item; - } - - if (oidcmp(&c->object.oid, &sb.final->object.oid)) - die(_("--reverse --first-parent together require range along first-parent chain")); - } - - if (is_null_oid(&sb.final->object.oid)) { - o = sb.final->util; - sb.final_buf = xmemdupz(o->file.ptr, o->file.size); - sb.final_buf_size = o->file.size; - } - else { - o = get_origin(sb.final, path); - if (fill_blob_sha1_and_mode(o)) - die(_("no such path %s in %s"), path, final_commit_name); - - if (DIFF_OPT_TST(&sb.revs->diffopt, ALLOW_TEXTCONV) && - textconv_object(path, o->mode, &o->blob_oid, 1, (char **) &sb.final_buf, - &sb.final_buf_size)) - ; - else - sb.final_buf = read_sha1_file(o->blob_oid.hash, &type, - &sb.final_buf_size); - - if (!sb.final_buf) - die(_("cannot read blob %s for path %s"), - oid_to_hex(&o->blob_oid), - path); - } - sb.num_read_blob++; - lno = prepare_lines(&sb); + setup_scoreboard(&sb, path, &o); + lno = sb.num_lines; if (lno && !range_list.nr) string_list_append(&range_list, "1"); -- cgit v0.10.2-6-g49f6