зеркало из https://github.com/microsoft/git.git
blame: create scoreboard setup function
Create function that completes setting up blame_scoreboard structure. Signed-off-by: Jeff Smith <whydoubt@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff Smith
Junio C Hamano
Родитель
6e4c9b5bcf
Коммит
d0d0ef1f67
190
builtin/blame.c
190
builtin/blame.c
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@ -2544,6 +2544,105 @@ void init_scoreboard(struct blame_scoreboard *sb)
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sb->copy_score = BLAME_DEFAULT_COPY_SCORE;
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}
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void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blame_origin **orig)
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{
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const char *final_commit_name = NULL;
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struct blame_origin *o;
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struct commit *final_commit = NULL;
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enum object_type type;
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if (sb->reverse && sb->contents_from)
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die(_("--contents and --reverse do not blend well."));
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if (!sb->reverse) {
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sb->final = find_single_final(sb->revs, &final_commit_name);
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sb->commits.compare = compare_commits_by_commit_date;
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} else {
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sb->final = find_single_initial(sb->revs, &final_commit_name);
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sb->commits.compare = compare_commits_by_reverse_commit_date;
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}
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if (sb->final && sb->contents_from)
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die(_("cannot use --contents with final commit object name"));
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if (sb->reverse && sb->revs->first_parent_only)
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sb->revs->children.name = NULL;
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if (!sb->final) {
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/*
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* "--not A B -- path" without anything positive;
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* do not default to HEAD, but use the working tree
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* or "--contents".
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*/
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setup_work_tree();
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sb->final = fake_working_tree_commit(&sb->revs->diffopt,
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path, sb->contents_from);
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add_pending_object(sb->revs, &(sb->final->object), ":");
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}
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if (sb->reverse && sb->revs->first_parent_only) {
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final_commit = find_single_final(sb->revs, NULL);
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if (!final_commit)
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die(_("--reverse and --first-parent together require specified latest commit"));
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}
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/*
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* If we have bottom, this will mark the ancestors of the
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* bottom commits we would reach while traversing as
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* uninteresting.
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*/
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if (prepare_revision_walk(sb->revs))
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die(_("revision walk setup failed"));
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if (sb->reverse && sb->revs->first_parent_only) {
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struct commit *c = final_commit;
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sb->revs->children.name = "children";
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while (c->parents &&
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oidcmp(&c->object.oid, &sb->final->object.oid)) {
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struct commit_list *l = xcalloc(1, sizeof(*l));
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l->item = c;
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if (add_decoration(&sb->revs->children,
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&c->parents->item->object, l))
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die("BUG: not unique item in first-parent chain");
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c = c->parents->item;
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}
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if (oidcmp(&c->object.oid, &sb->final->object.oid))
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die(_("--reverse --first-parent together require range along first-parent chain"));
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}
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if (is_null_oid(&sb->final->object.oid)) {
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o = sb->final->util;
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sb->final_buf = xmemdupz(o->file.ptr, o->file.size);
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sb->final_buf_size = o->file.size;
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}
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else {
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o = get_origin(sb->final, path);
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if (fill_blob_sha1_and_mode(o))
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die(_("no such path %s in %s"), path, final_commit_name);
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if (DIFF_OPT_TST(&sb->revs->diffopt, ALLOW_TEXTCONV) &&
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textconv_object(path, o->mode, &o->blob_oid, 1, (char **) &sb->final_buf,
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&sb->final_buf_size))
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;
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else
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sb->final_buf = read_sha1_file(o->blob_oid.hash, &type,
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&sb->final_buf_size);
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if (!sb->final_buf)
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die(_("cannot read blob %s for path %s"),
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oid_to_hex(&o->blob_oid),
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path);
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}
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sb->num_read_blob++;
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prepare_lines(sb);
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if (orig)
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*orig = o;
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}
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int cmd_blame(int argc, const char **argv, const char *prefix)
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{
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struct rev_info revs;
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@ -2552,9 +2651,6 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
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struct blame_origin *o;
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struct blame_entry *ent = NULL;
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long dashdash_pos, lno;
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const char *final_commit_name = NULL;
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enum object_type type;
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struct commit *final_commit = NULL;
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struct progress_info pi = { NULL, 0 };
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struct string_list range_list = STRING_LIST_INIT_NODUP;
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@ -2759,92 +2855,8 @@ parse_done:
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sb.revs = &revs;
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sb.contents_from = contents_from;
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sb.reverse = reverse;
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if (!reverse) {
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sb.final = find_single_final(&revs, &final_commit_name);
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sb.commits.compare = compare_commits_by_commit_date;
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}
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else if (contents_from)
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die(_("--contents and --reverse do not blend well."));
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else {
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sb.final = find_single_initial(&revs, &final_commit_name);
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sb.commits.compare = compare_commits_by_reverse_commit_date;
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if (revs.first_parent_only)
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revs.children.name = NULL;
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}
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if (!sb.final) {
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/*
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* "--not A B -- path" without anything positive;
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* do not default to HEAD, but use the working tree
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* or "--contents".
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*/
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setup_work_tree();
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sb.final = fake_working_tree_commit(&sb.revs->diffopt,
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path, contents_from);
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add_pending_object(&revs, &(sb.final->object), ":");
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}
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else if (contents_from)
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die(_("cannot use --contents with final commit object name"));
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if (reverse && revs.first_parent_only) {
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final_commit = find_single_final(sb.revs, NULL);
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if (!final_commit)
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die(_("--reverse and --first-parent together require specified latest commit"));
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}
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/*
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* If we have bottom, this will mark the ancestors of the
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* bottom commits we would reach while traversing as
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* uninteresting.
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*/
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if (prepare_revision_walk(&revs))
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die(_("revision walk setup failed"));
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if (reverse && revs.first_parent_only) {
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struct commit *c = final_commit;
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sb.revs->children.name = "children";
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while (c->parents &&
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oidcmp(&c->object.oid, &sb.final->object.oid)) {
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struct commit_list *l = xcalloc(1, sizeof(*l));
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l->item = c;
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if (add_decoration(&sb.revs->children,
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&c->parents->item->object, l))
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die("BUG: not unique item in first-parent chain");
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c = c->parents->item;
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}
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if (oidcmp(&c->object.oid, &sb.final->object.oid))
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die(_("--reverse --first-parent together require range along first-parent chain"));
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}
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if (is_null_oid(&sb.final->object.oid)) {
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o = sb.final->util;
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sb.final_buf = xmemdupz(o->file.ptr, o->file.size);
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sb.final_buf_size = o->file.size;
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}
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else {
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o = get_origin(sb.final, path);
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if (fill_blob_sha1_and_mode(o))
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die(_("no such path %s in %s"), path, final_commit_name);
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if (DIFF_OPT_TST(&sb.revs->diffopt, ALLOW_TEXTCONV) &&
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textconv_object(path, o->mode, &o->blob_oid, 1, (char **) &sb.final_buf,
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&sb.final_buf_size))
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;
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else
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sb.final_buf = read_sha1_file(o->blob_oid.hash, &type,
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&sb.final_buf_size);
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if (!sb.final_buf)
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die(_("cannot read blob %s for path %s"),
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oid_to_hex(&o->blob_oid),
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path);
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}
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sb.num_read_blob++;
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lno = prepare_lines(&sb);
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setup_scoreboard(&sb, path, &o);
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lno = sb.num_lines;
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if (lno && !range_list.nr)
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string_list_append(&range_list, "1");
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