diff options
Diffstat (limited to 'line-log.c')
-rw-r--r-- | line-log.c | 118 |
1 files changed, 78 insertions, 40 deletions
diff --git a/line-log.c b/line-log.c index cdc2257db5..9010e00950 100644 --- a/line-log.c +++ b/line-log.c @@ -479,7 +479,7 @@ static struct commit *check_single_commit(struct rev_info *revs) struct object *obj = revs->pending.objects[i].item; if (obj->flags & UNINTERESTING) continue; - obj = deref_tag(obj, NULL, 0); + obj = deref_tag(revs->repo, obj, NULL, 0); if (obj->type != OBJ_COMMIT) die("Non commit %s?", revs->pending.objects[i].name); if (commit) @@ -496,20 +496,22 @@ static struct commit *check_single_commit(struct rev_info *revs) return (struct commit *) commit; } -static void fill_blob_sha1(struct commit *commit, struct diff_filespec *spec) +static void fill_blob_sha1(struct repository *r, struct commit *commit, + struct diff_filespec *spec) { - unsigned mode; + unsigned short mode; struct object_id oid; - if (get_tree_entry(commit->object.oid.hash, spec->path, - oid.hash, &mode)) + if (get_tree_entry(r, &commit->object.oid, spec->path, &oid, &mode)) die("There is no path %s in the commit", spec->path); fill_filespec(spec, &oid, 1, mode); return; } -static void fill_line_ends(struct diff_filespec *spec, long *lines, +static void fill_line_ends(struct repository *r, + struct diff_filespec *spec, + long *lines, unsigned long **line_ends) { int num = 0, size = 50; @@ -517,7 +519,7 @@ static void fill_line_ends(struct diff_filespec *spec, long *lines, unsigned long *ends = NULL; char *data = NULL; - if (diff_populate_filespec(spec, 0)) + if (diff_populate_filespec(r, spec, 0)) die("Cannot read blob %s", oid_to_hex(&spec->oid)); ALLOC_ARRAY(ends, size); @@ -556,7 +558,8 @@ static const char *nth_line(void *data, long line) } static struct line_log_data * -parse_lines(struct commit *commit, const char *prefix, struct string_list *args) +parse_lines(struct repository *r, struct commit *commit, + const char *prefix, struct string_list *args) { long lines = 0; unsigned long *ends = NULL; @@ -572,7 +575,7 @@ parse_lines(struct commit *commit, const char *prefix, struct string_list *args) long begin = 0, end = 0; long anchor; - name_part = skip_range_arg(item->string); + name_part = skip_range_arg(item->string, r->index); if (!name_part || *name_part != ':' || !name_part[1]) die("-L argument not 'start,end:file' or ':funcname:file': %s", item->string); @@ -583,8 +586,8 @@ parse_lines(struct commit *commit, const char *prefix, struct string_list *args) name_part); spec = alloc_filespec(full_name); - fill_blob_sha1(commit, spec); - fill_line_ends(spec, &lines, &ends); + fill_blob_sha1(r, commit, spec); + fill_line_ends(r, spec, &lines, &ends); cb_data.spec = spec; cb_data.lines = lines; cb_data.line_ends = ends; @@ -597,13 +600,13 @@ parse_lines(struct commit *commit, const char *prefix, struct string_list *args) if (parse_range_arg(range_part, nth_line, &cb_data, lines, anchor, &begin, &end, - full_name)) + full_name, r->index)) die("malformed -L argument '%s'", range_part); - if (lines < end || ((lines || begin) && lines < begin)) + if ((!lines && (begin || end)) || lines < begin) die("file %s has only %lu lines", name_part, lines); if (begin < 1) begin = 1; - if (end < 1) + if (end < 1 || lines < end) end = lines; begin--; line_log_data_insert(&ranges, full_name, begin, end); @@ -734,29 +737,48 @@ static struct line_log_data *lookup_line_range(struct rev_info *revs, return ret; } +static int same_paths_in_pathspec_and_range(struct pathspec *pathspec, + struct line_log_data *range) +{ + int i; + struct line_log_data *r; + + for (i = 0, r = range; i < pathspec->nr && r; i++, r = r->next) + if (strcmp(pathspec->items[i].match, r->path)) + return 0; + if (i < pathspec->nr || r) + /* different number of pathspec items and ranges */ + return 0; + + return 1; +} + +static void parse_pathspec_from_ranges(struct pathspec *pathspec, + struct line_log_data *range) +{ + struct line_log_data *r; + struct argv_array array = ARGV_ARRAY_INIT; + const char **paths; + + for (r = range; r; r = r->next) + argv_array_push(&array, r->path); + paths = argv_array_detach(&array); + + parse_pathspec(pathspec, 0, PATHSPEC_PREFER_FULL, "", paths); + /* strings are now owned by pathspec */ + free(paths); +} + void line_log_init(struct rev_info *rev, const char *prefix, struct string_list *args) { struct commit *commit = NULL; struct line_log_data *range; commit = check_single_commit(rev); - range = parse_lines(commit, prefix, args); + range = parse_lines(rev->diffopt.repo, commit, prefix, args); add_line_range(rev, commit, range); - if (!rev->diffopt.detect_rename) { - struct line_log_data *r; - struct argv_array array = ARGV_ARRAY_INIT; - const char **paths; - - for (r = range; r; r = r->next) - argv_array_push(&array, r->path); - paths = argv_array_detach(&array); - - parse_pathspec(&rev->diffopt.pathspec, 0, - PATHSPEC_PREFER_FULL, "", paths); - /* strings are now owned by pathspec */ - free(paths); - } + parse_pathspec_from_ranges(&rev->diffopt.pathspec, range); } static void move_diff_queue(struct diff_queue_struct *dst, @@ -814,15 +836,29 @@ static void queue_diffs(struct line_log_data *range, struct diff_queue_struct *queue, struct commit *commit, struct commit *parent) { + struct object_id *tree_oid, *parent_tree_oid; + assert(commit); + tree_oid = get_commit_tree_oid(commit); + parent_tree_oid = parent ? get_commit_tree_oid(parent) : NULL; + + if (opt->detect_rename && + !same_paths_in_pathspec_and_range(&opt->pathspec, range)) { + clear_pathspec(&opt->pathspec); + parse_pathspec_from_ranges(&opt->pathspec, range); + } DIFF_QUEUE_CLEAR(&diff_queued_diff); - diff_tree_oid(parent ? &parent->tree->object.oid : NULL, - &commit->tree->object.oid, "", opt); - if (opt->detect_rename) { + diff_tree_oid(parent_tree_oid, tree_oid, "", opt); + if (opt->detect_rename && diff_might_be_rename()) { + /* must look at the full tree diff to detect renames */ + clear_pathspec(&opt->pathspec); + DIFF_QUEUE_CLEAR(&diff_queued_diff); + + diff_tree_oid(parent_tree_oid, tree_oid, "", opt); + filter_diffs_for_paths(range, 1); - if (diff_might_be_rename()) - diffcore_std(opt); + diffcore_std(opt); filter_diffs_for_paths(range, 0); } move_diff_queue(queue, &diff_queued_diff); @@ -892,8 +928,8 @@ static void dump_diff_hacky_one(struct rev_info *rev, struct line_log_data *rang return; if (pair->one->oid_valid) - fill_line_ends(pair->one, &p_lines, &p_ends); - fill_line_ends(pair->two, &t_lines, &t_ends); + fill_line_ends(rev->diffopt.repo, pair->one, &p_lines, &p_ends); + fill_line_ends(rev->diffopt.repo, pair->two, &t_lines, &t_ends); fprintf(opt->file, "%s%sdiff --git a/%s b/%s%s\n", prefix, c_meta, pair->one->path, pair->two->path, c_reset); fprintf(opt->file, "%s%s--- %s%s%s\n", prefix, c_meta, @@ -1009,12 +1045,12 @@ static int process_diff_filepair(struct rev_info *rev, return 0; assert(pair->two->oid_valid); - diff_populate_filespec(pair->two, 0); + diff_populate_filespec(rev->diffopt.repo, pair->two, 0); file_target.ptr = pair->two->data; file_target.size = pair->two->size; if (pair->one->oid_valid) { - diff_populate_filespec(pair->one, 0); + diff_populate_filespec(rev->diffopt.repo, pair->one, 0); file_parent.ptr = pair->one->data; file_parent.size = pair->one->size; } else { @@ -1101,10 +1137,12 @@ static int process_all_files(struct line_log_data **range_out, int line_log_print(struct rev_info *rev, struct commit *commit) { - struct line_log_data *range = lookup_line_range(rev, commit); show_log(rev); - dump_diff_hacky(rev, range); + if (!(rev->diffopt.output_format & DIFF_FORMAT_NO_OUTPUT)) { + struct line_log_data *range = lookup_line_range(rev, commit); + dump_diff_hacky(rev, range); + } return 1; } |