diff options
| -rw-r--r-- | builtin/blame.c | 79 |
1 files changed, 47 insertions, 32 deletions
diff --git a/builtin/blame.c b/builtin/blame.c index 9db01b0172..2f4d9e2d75 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -22,6 +22,7 @@ #include "utf8.h" #include "userdiff.h" #include "line-range.h" +#include "line-log.h" static char blame_usage[] = N_("git blame [options] [rev-opts] [rev] [--] file"); @@ -2233,29 +2234,18 @@ static int blame_move_callback(const struct option *option, const char *arg, int return 0; } -static int blame_bottomtop_callback(const struct option *option, const char *arg, int unset) -{ - const char **bottomtop = option->value; - if (!arg) - return -1; - if (*bottomtop) - die("More than one '-L n,m' option given"); - *bottomtop = arg; - return 0; -} - int cmd_blame(int argc, const char **argv, const char *prefix) { struct rev_info revs; const char *path; struct scoreboard sb; struct origin *o; - struct blame_entry *ent; - long dashdash_pos, bottom, top, lno; + struct blame_entry *ent = NULL; + long dashdash_pos, lno; const char *final_commit_name = NULL; enum object_type type; - static const char *bottomtop = NULL; + static struct string_list range_list; static int output_option = 0, opt = 0; static int show_stats = 0; static const char *revs_file = NULL; @@ -2281,13 +2271,15 @@ int cmd_blame(int argc, const char **argv, const char *prefix) OPT_STRING(0, "contents", &contents_from, N_("file"), N_("Use <file>'s contents as the final image")), { OPTION_CALLBACK, 'C', NULL, &opt, N_("score"), N_("Find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback }, { OPTION_CALLBACK, 'M', NULL, &opt, N_("score"), N_("Find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback }, - OPT_CALLBACK('L', NULL, &bottomtop, N_("n,m"), N_("Process only line range n,m, counting from 1"), blame_bottomtop_callback), + OPT_STRING_LIST('L', NULL, &range_list, N_("n,m"), N_("Process only line range n,m, counting from 1")), OPT__ABBREV(&abbrev), OPT_END() }; struct parse_opt_ctx_t ctx; int cmd_is_annotate = !strcmp(argv[0], "annotate"); + struct range_set ranges; + unsigned int range_i; git_config(git_blame_config, NULL); init_revisions(&revs, NULL); @@ -2480,23 +2472,46 @@ parse_done: num_read_blob++; lno = prepare_lines(&sb); - bottom = top = 0; - if (bottomtop && parse_range_arg(bottomtop, nth_line_cb, &sb, lno, - &bottom, &top, sb.path)) - usage(blame_usage); - if (lno < top || ((lno || bottom) && lno < bottom)) - die("file %s has only %lu lines", path, lno); - if (bottom < 1) - bottom = 1; - if (top < 1) - top = lno; - bottom--; - - ent = xcalloc(1, sizeof(*ent)); - ent->lno = bottom; - ent->num_lines = top - bottom; - ent->suspect = o; - ent->s_lno = bottom; + if (lno && !range_list.nr) + string_list_append(&range_list, xstrdup("1")); + + range_set_init(&ranges, range_list.nr); + for (range_i = 0; range_i < range_list.nr; ++range_i) { + long bottom, top; + if (parse_range_arg(range_list.items[range_i].string, + nth_line_cb, &sb, lno, + &bottom, &top, sb.path)) + usage(blame_usage); + if (lno < top || ((lno || bottom) && lno < bottom)) + die("file %s has only %lu lines", path, lno); + if (bottom < 1) + bottom = 1; + if (top < 1) + top = lno; + bottom--; + range_set_append_unsafe(&ranges, bottom, top); + } + sort_and_merge_range_set(&ranges); + + for (range_i = ranges.nr; range_i > 0; --range_i) { + const struct range *r = &ranges.ranges[range_i - 1]; + long bottom = r->start; + long top = r->end; + struct blame_entry *next = ent; + ent = xcalloc(1, sizeof(*ent)); + ent->lno = bottom; + ent->num_lines = top - bottom; + ent->suspect = o; + ent->s_lno = bottom; + ent->next = next; + if (next) + next->prev = ent; + origin_incref(o); + } + origin_decref(o); + + range_set_release(&ranges); + string_list_clear(&range_list, 0); sb.ent = ent; sb.path = path; |