diff options
Diffstat (limited to 'builtin/blame.c')
-rw-r--r-- | builtin/blame.c | 101 |
1 files changed, 64 insertions, 37 deletions
diff --git a/builtin/blame.c b/builtin/blame.c index e39d9865e2..86c0537cbb 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -41,6 +41,7 @@ static int reverse; static int blank_boundary; static int incremental; static int xdl_opts; +static int abbrev = -1; static enum date_mode blame_date_mode = DATE_ISO8601; static size_t blame_date_width; @@ -1312,8 +1313,7 @@ static void pass_blame(struct scoreboard *sb, struct origin *origin, int opt) /* * Information on commits, used for output. */ -struct commit_info -{ +struct commit_info { const char *author; const char *author_mail; unsigned long author_time; @@ -1378,7 +1378,7 @@ static void get_ac_line(const char *inbuf, const char *what, timepos = tmp; *tmp = 0; - while (person < tmp && *tmp != ' ') + while (person < tmp && !(*tmp == ' ' && tmp[1] == '<')) tmp--; if (tmp <= person) return; @@ -1418,7 +1418,8 @@ static void get_commit_info(struct commit *commit, int detailed) { int len; - char *tmp, *endp, *reencoded, *message; + const char *subject; + char *reencoded, *message; static char author_name[1024]; static char author_mail[1024]; static char committer_name[1024]; @@ -1460,22 +1461,13 @@ static void get_commit_info(struct commit *commit, &ret->committer_time, &ret->committer_tz); ret->summary = summary_buf; - tmp = strstr(message, "\n\n"); - if (!tmp) { - error_out: + len = find_commit_subject(message, &subject); + if (len && len < sizeof(summary_buf)) { + memcpy(summary_buf, subject, len); + summary_buf[len] = 0; + } else { sprintf(summary_buf, "(%s)", sha1_to_hex(commit->object.sha1)); - free(reencoded); - return; } - tmp += 2; - endp = strchr(tmp, '\n'); - if (!endp) - endp = tmp + strlen(tmp); - len = endp - tmp; - if (len >= sizeof(summary_buf) || len == 0) - goto error_out; - memcpy(summary_buf, tmp, len); - summary_buf[len] = 0; free(reencoded); } @@ -1492,13 +1484,14 @@ static void write_filename_info(const char *path) /* * Porcelain/Incremental format wants to show a lot of details per * commit. Instead of repeating this every line, emit it only once, - * the first time each commit appears in the output. + * the first time each commit appears in the output (unless the + * user has specifically asked for us to repeat). */ -static int emit_one_suspect_detail(struct origin *suspect) +static int emit_one_suspect_detail(struct origin *suspect, int repeat) { struct commit_info ci; - if (suspect->commit->object.flags & METAINFO_SHOWN) + if (!repeat && (suspect->commit->object.flags & METAINFO_SHOWN)) return 0; suspect->commit->object.flags |= METAINFO_SHOWN; @@ -1537,7 +1530,7 @@ static void found_guilty_entry(struct blame_entry *ent) printf("%s %d %d %d\n", sha1_to_hex(suspect->commit->object.sha1), ent->s_lno + 1, ent->lno + 1, ent->num_lines); - emit_one_suspect_detail(suspect); + emit_one_suspect_detail(suspect, 0); write_filename_info(suspect->path); maybe_flush_or_die(stdout, "stdout"); } @@ -1625,9 +1618,20 @@ static const char *format_time(unsigned long time, const char *tz_str, #define OUTPUT_SHOW_NUMBER 040 #define OUTPUT_SHOW_SCORE 0100 #define OUTPUT_NO_AUTHOR 0200 +#define OUTPUT_SHOW_EMAIL 0400 +#define OUTPUT_LINE_PORCELAIN 01000 + +static void emit_porcelain_details(struct origin *suspect, int repeat) +{ + if (emit_one_suspect_detail(suspect, repeat) || + (suspect->commit->object.flags & MORE_THAN_ONE_PATH)) + write_filename_info(suspect->path); +} -static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent) +static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent, + int opt) { + int repeat = opt & OUTPUT_LINE_PORCELAIN; int cnt; const char *cp; struct origin *suspect = ent->suspect; @@ -1640,17 +1644,18 @@ static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent) ent->s_lno + 1, ent->lno + 1, ent->num_lines); - if (emit_one_suspect_detail(suspect) || - (suspect->commit->object.flags & MORE_THAN_ONE_PATH)) - write_filename_info(suspect->path); + emit_porcelain_details(suspect, repeat); cp = nth_line(sb, ent->lno); for (cnt = 0; cnt < ent->num_lines; cnt++) { char ch; - if (cnt) + if (cnt) { printf("%s %d %d\n", hex, ent->s_lno + 1 + cnt, ent->lno + 1 + cnt); + if (repeat) + emit_porcelain_details(suspect, 1); + } putchar('\t'); do { ch = *cp++; @@ -1678,7 +1683,7 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt) cp = nth_line(sb, ent->lno); for (cnt = 0; cnt < ent->num_lines; cnt++) { char ch; - int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? 40 : 8; + int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? 40 : abbrev; if (suspect->commit->object.flags & UNINTERESTING) { if (blank_boundary) @@ -1690,12 +1695,17 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt) } printf("%.*s", length, hex); - if (opt & OUTPUT_ANNOTATE_COMPAT) - printf("\t(%10s\t%10s\t%d)", ci.author, + if (opt & OUTPUT_ANNOTATE_COMPAT) { + const char *name; + if (opt & OUTPUT_SHOW_EMAIL) + name = ci.author_mail; + else + name = ci.author; + printf("\t(%10s\t%10s\t%d)", name, format_time(ci.author_time, ci.author_tz, show_raw_time), ent->lno + 1 + cnt); - else { + } else { if (opt & OUTPUT_SHOW_SCORE) printf(" %*d %02d", max_score_digits, ent->score, @@ -1708,9 +1718,15 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt) ent->s_lno + 1 + cnt); if (!(opt & OUTPUT_NO_AUTHOR)) { - int pad = longest_author - utf8_strwidth(ci.author); + const char *name; + int pad; + if (opt & OUTPUT_SHOW_EMAIL) + name = ci.author_mail; + else + name = ci.author; + pad = longest_author - utf8_strwidth(name); printf(" (%s%*s %10s", - ci.author, pad, "", + name, pad, "", format_time(ci.author_time, ci.author_tz, show_raw_time)); @@ -1752,7 +1768,7 @@ static void output(struct scoreboard *sb, int option) for (ent = sb->ent; ent; ent = ent->next) { if (option & OUTPUT_PORCELAIN) - emit_porcelain(sb, ent); + emit_porcelain(sb, ent, option); else { emit_other(sb, ent, option); } @@ -1848,7 +1864,10 @@ static void find_alignment(struct scoreboard *sb, int *option) if (!(suspect->commit->object.flags & METAINFO_SHOWN)) { suspect->commit->object.flags |= METAINFO_SHOWN; get_commit_info(suspect->commit, &ci, 1); - num = utf8_strwidth(ci.author); + if (*option & OUTPUT_SHOW_EMAIL) + num = utf8_strwidth(ci.author_mail); + else + num = utf8_strwidth(ci.author); if (longest_author < num) longest_author = num; } @@ -2295,16 +2314,19 @@ int cmd_blame(int argc, const char **argv, const char *prefix) OPT_BIT('f', "show-name", &output_option, "Show original filename (Default: auto)", OUTPUT_SHOW_NAME), OPT_BIT('n', "show-number", &output_option, "Show original linenumber (Default: off)", OUTPUT_SHOW_NUMBER), OPT_BIT('p', "porcelain", &output_option, "Show in a format designed for machine consumption", OUTPUT_PORCELAIN), + OPT_BIT(0, "line-porcelain", &output_option, "Show porcelain format with per-line commit information", OUTPUT_PORCELAIN|OUTPUT_LINE_PORCELAIN), OPT_BIT('c', NULL, &output_option, "Use the same output mode as git-annotate (Default: off)", OUTPUT_ANNOTATE_COMPAT), OPT_BIT('t', NULL, &output_option, "Show raw timestamp (Default: off)", OUTPUT_RAW_TIMESTAMP), OPT_BIT('l', NULL, &output_option, "Show long commit SHA1 (Default: off)", OUTPUT_LONG_OBJECT_NAME), OPT_BIT('s', NULL, &output_option, "Suppress author name and timestamp (Default: off)", OUTPUT_NO_AUTHOR), + OPT_BIT('e', "show-email", &output_option, "Show author email instead of name (Default: off)", OUTPUT_SHOW_EMAIL), OPT_BIT('w', NULL, &xdl_opts, "Ignore whitespace differences", XDF_IGNORE_WHITESPACE), OPT_STRING('S', NULL, &revs_file, "file", "Use revisions from <file> instead of calling git-rev-list"), OPT_STRING(0, "contents", &contents_from, "file", "Use <file>'s contents as the final image"), { OPTION_CALLBACK, 'C', NULL, &opt, "score", "Find line copies within and across files", PARSE_OPT_OPTARG, blame_copy_callback }, { OPTION_CALLBACK, 'M', NULL, &opt, "score", "Find line movements within and across files", PARSE_OPT_OPTARG, blame_move_callback }, OPT_CALLBACK('L', NULL, &bottomtop, "n,m", "Process only line range n,m, counting from 1", blame_bottomtop_callback), + OPT__ABBREV(&abbrev), OPT_END() }; @@ -2319,8 +2341,8 @@ int cmd_blame(int argc, const char **argv, const char *prefix) save_commit_buffer = 0; dashdash_pos = 0; - parse_options_start(&ctx, argc, argv, prefix, PARSE_OPT_KEEP_DASHDASH | - PARSE_OPT_KEEP_ARGV0); + parse_options_start(&ctx, argc, argv, prefix, options, + PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0); for (;;) { switch (parse_options_step(&ctx, options, blame_opt_usage)) { case PARSE_OPT_HELP: @@ -2340,6 +2362,11 @@ int cmd_blame(int argc, const char **argv, const char *prefix) parse_done: argc = parse_options_end(&ctx); + if (abbrev == -1) + abbrev = default_abbrev; + /* one more abbrev length is needed for the boundary commit */ + abbrev++; + if (revs_file && read_ancestry(revs_file)) die_errno("reading graft file '%s' failed", revs_file); |