diff options
Diffstat (limited to 'builtin/shortlog.c')
| -rw-r--r-- | builtin/shortlog.c | 356 |
1 files changed, 356 insertions, 0 deletions
diff --git a/builtin/shortlog.c b/builtin/shortlog.c new file mode 100644 index 000000000..06320f528 --- /dev/null +++ b/builtin/shortlog.c @@ -0,0 +1,356 @@ +#include "builtin.h" +#include "cache.h" +#include "commit.h" +#include "diff.h" +#include "string-list.h" +#include "revision.h" +#include "utf8.h" +#include "mailmap.h" +#include "shortlog.h" +#include "parse-options.h" + +static char const * const shortlog_usage[] = { + "git shortlog [-n] [-s] [-e] [-w] [rev-opts] [--] [<commit-id>... ]", + "", + "[rev-opts] are documented in git-rev-list(1)", + NULL +}; + +static int compare_by_number(const void *a1, const void *a2) +{ + const struct string_list_item *i1 = a1, *i2 = a2; + const struct string_list *l1 = i1->util, *l2 = i2->util; + + if (l1->nr < l2->nr) + return 1; + else if (l1->nr == l2->nr) + return 0; + else + return -1; +} + +const char *format_subject(struct strbuf *sb, const char *msg, + const char *line_separator); + +static void insert_one_record(struct shortlog *log, + const char *author, + const char *oneline) +{ + const char *dot3 = log->common_repo_prefix; + char *buffer, *p; + struct string_list_item *item; + char namebuf[1024]; + char emailbuf[1024]; + size_t len; + const char *eol; + const char *boemail, *eoemail; + struct strbuf subject = STRBUF_INIT; + + boemail = strchr(author, '<'); + if (!boemail) + return; + eoemail = strchr(boemail, '>'); + if (!eoemail) + return; + + /* copy author name to namebuf, to support matching on both name and email */ + memcpy(namebuf, author, boemail - author); + len = boemail - author; + while (len > 0 && isspace(namebuf[len-1])) + len--; + namebuf[len] = 0; + + /* copy email name to emailbuf, to allow email replacement as well */ + memcpy(emailbuf, boemail+1, eoemail - boemail); + emailbuf[eoemail - boemail - 1] = 0; + + if (!map_user(&log->mailmap, emailbuf, sizeof(emailbuf), namebuf, sizeof(namebuf))) { + while (author < boemail && isspace(*author)) + author++; + for (len = 0; + len < sizeof(namebuf) - 1 && author + len < boemail; + len++) + namebuf[len] = author[len]; + while (0 < len && isspace(namebuf[len-1])) + len--; + namebuf[len] = '\0'; + } + else + len = strlen(namebuf); + + if (log->email) { + size_t room = sizeof(namebuf) - len - 1; + int maillen = strlen(emailbuf); + snprintf(namebuf + len, room, " <%.*s>", maillen, emailbuf); + } + + item = string_list_insert(namebuf, &log->list); + if (item->util == NULL) + item->util = xcalloc(1, sizeof(struct string_list)); + + /* Skip any leading whitespace, including any blank lines. */ + while (*oneline && isspace(*oneline)) + oneline++; + eol = strchr(oneline, '\n'); + if (!eol) + eol = oneline + strlen(oneline); + if (!prefixcmp(oneline, "[PATCH")) { + char *eob = strchr(oneline, ']'); + if (eob && (!eol || eob < eol)) + oneline = eob + 1; + } + while (*oneline && isspace(*oneline) && *oneline != '\n') + oneline++; + format_subject(&subject, oneline, " "); + buffer = strbuf_detach(&subject, NULL); + + if (dot3) { + int dot3len = strlen(dot3); + if (dot3len > 5) { + while ((p = strstr(buffer, dot3)) != NULL) { + int taillen = strlen(p) - dot3len; + memcpy(p, "/.../", 5); + memmove(p + 5, p + dot3len, taillen + 1); + } + } + } + + string_list_append(buffer, item->util); +} + +static void read_from_stdin(struct shortlog *log) +{ + char author[1024], oneline[1024]; + + while (fgets(author, sizeof(author), stdin) != NULL) { + if (!(author[0] == 'A' || author[0] == 'a') || + prefixcmp(author + 1, "uthor: ")) + continue; + while (fgets(oneline, sizeof(oneline), stdin) && + oneline[0] != '\n') + ; /* discard headers */ + while (fgets(oneline, sizeof(oneline), stdin) && + oneline[0] == '\n') + ; /* discard blanks */ + insert_one_record(log, author + 8, oneline); + } +} + +void shortlog_add_commit(struct shortlog *log, struct commit *commit) +{ + const char *author = NULL, *buffer; + struct strbuf buf = STRBUF_INIT; + struct strbuf ufbuf = STRBUF_INIT; + struct pretty_print_context ctx = {0}; + + pretty_print_commit(CMIT_FMT_RAW, commit, &buf, &ctx); + buffer = buf.buf; + while (*buffer && *buffer != '\n') { + const char *eol = strchr(buffer, '\n'); + + if (eol == NULL) + eol = buffer + strlen(buffer); + else + eol++; + + if (!prefixcmp(buffer, "author ")) + author = buffer + 7; + buffer = eol; + } + if (!author) + die("Missing author: %s", + sha1_to_hex(commit->object.sha1)); + if (log->user_format) { + struct pretty_print_context ctx = {0}; + ctx.abbrev = DEFAULT_ABBREV; + ctx.subject = ""; + ctx.after_subject = ""; + ctx.date_mode = DATE_NORMAL; + pretty_print_commit(CMIT_FMT_USERFORMAT, commit, &ufbuf, &ctx); + buffer = ufbuf.buf; + } else if (*buffer) { + buffer++; + } + insert_one_record(log, author, !*buffer ? "<none>" : buffer); + strbuf_release(&ufbuf); + strbuf_release(&buf); +} + +static void get_from_rev(struct rev_info *rev, struct shortlog *log) +{ + struct commit *commit; + + if (prepare_revision_walk(rev)) + die("revision walk setup failed"); + while ((commit = get_revision(rev)) != NULL) + shortlog_add_commit(log, commit); +} + +static int parse_uint(char const **arg, int comma, int defval) +{ + unsigned long ul; + int ret; + char *endp; + + ul = strtoul(*arg, &endp, 10); + if (*endp && *endp != comma) + return -1; + if (ul > INT_MAX) + return -1; + ret = *arg == endp ? defval : (int)ul; + *arg = *endp ? endp + 1 : endp; + return ret; +} + +static const char wrap_arg_usage[] = "-w[<width>[,<indent1>[,<indent2>]]]"; +#define DEFAULT_WRAPLEN 76 +#define DEFAULT_INDENT1 6 +#define DEFAULT_INDENT2 9 + +static int parse_wrap_args(const struct option *opt, const char *arg, int unset) +{ + struct shortlog *log = opt->value; + + log->wrap_lines = !unset; + if (unset) + return 0; + if (!arg) { + log->wrap = DEFAULT_WRAPLEN; + log->in1 = DEFAULT_INDENT1; + log->in2 = DEFAULT_INDENT2; + return 0; + } + + log->wrap = parse_uint(&arg, ',', DEFAULT_WRAPLEN); + log->in1 = parse_uint(&arg, ',', DEFAULT_INDENT1); + log->in2 = parse_uint(&arg, '\0', DEFAULT_INDENT2); + if (log->wrap < 0 || log->in1 < 0 || log->in2 < 0) + return error(wrap_arg_usage); + if (log->wrap && + ((log->in1 && log->wrap <= log->in1) || + (log->in2 && log->wrap <= log->in2))) + return error(wrap_arg_usage); + return 0; +} + +void shortlog_init(struct shortlog *log) +{ + memset(log, 0, sizeof(*log)); + + read_mailmap(&log->mailmap, &log->common_repo_prefix); + + log->list.strdup_strings = 1; + log->wrap = DEFAULT_WRAPLEN; + log->in1 = DEFAULT_INDENT1; + log->in2 = DEFAULT_INDENT2; +} + +int cmd_shortlog(int argc, const char **argv, const char *prefix) +{ + static struct shortlog log; + static struct rev_info rev; + int nongit; + + static const struct option options[] = { + OPT_BOOLEAN('n', "numbered", &log.sort_by_number, + "sort output according to the number of commits per author"), + OPT_BOOLEAN('s', "summary", &log.summary, + "Suppress commit descriptions, only provides commit count"), + OPT_BOOLEAN('e', "email", &log.email, + "Show the email address of each author"), + { OPTION_CALLBACK, 'w', NULL, &log, "w[,i1[,i2]]", + "Linewrap output", PARSE_OPT_OPTARG, &parse_wrap_args }, + OPT_END(), + }; + + struct parse_opt_ctx_t ctx; + + prefix = setup_git_directory_gently(&nongit); + git_config(git_default_config, NULL); + shortlog_init(&log); + init_revisions(&rev, prefix); + parse_options_start(&ctx, argc, argv, prefix, PARSE_OPT_KEEP_DASHDASH | + PARSE_OPT_KEEP_ARGV0); + + for (;;) { + switch (parse_options_step(&ctx, options, shortlog_usage)) { + case PARSE_OPT_HELP: + exit(129); + case PARSE_OPT_DONE: + goto parse_done; + } + parse_revision_opt(&rev, &ctx, options, shortlog_usage); + } +parse_done: + argc = parse_options_end(&ctx); + + if (setup_revisions(argc, argv, &rev, NULL) != 1) { + error("unrecognized argument: %s", argv[1]); + usage_with_options(shortlog_usage, options); + } + + log.user_format = rev.commit_format == CMIT_FMT_USERFORMAT; + + /* assume HEAD if from a tty */ + if (!nongit && !rev.pending.nr && isatty(0)) + add_head_to_pending(&rev); + if (rev.pending.nr == 0) { + if (isatty(0)) + fprintf(stderr, "(reading log message from standard input)\n"); + read_from_stdin(&log); + } + else + get_from_rev(&rev, &log); + + shortlog_output(&log); + return 0; +} + +static void add_wrapped_shortlog_msg(struct strbuf *sb, const char *s, + const struct shortlog *log) +{ + int col = strbuf_add_wrapped_text(sb, s, log->in1, log->in2, log->wrap); + if (col != log->wrap) + strbuf_addch(sb, '\n'); +} + +void shortlog_output(struct shortlog *log) +{ + int i, j; + struct strbuf sb = STRBUF_INIT; + + if (log->sort_by_number) + qsort(log->list.items, log->list.nr, sizeof(struct string_list_item), + compare_by_number); + for (i = 0; i < log->list.nr; i++) { + struct string_list *onelines = log->list.items[i].util; + + if (log->summary) { + printf("%6d\t%s\n", onelines->nr, log->list.items[i].string); + } else { + printf("%s (%d):\n", log->list.items[i].string, onelines->nr); + for (j = onelines->nr - 1; j >= 0; j--) { + const char *msg = onelines->items[j].string; + + if (log->wrap_lines) { + strbuf_reset(&sb); + add_wrapped_shortlog_msg(&sb, msg, log); + fwrite(sb.buf, sb.len, 1, stdout); + } + else + printf(" %s\n", msg); + } + putchar('\n'); + } + + onelines->strdup_strings = 1; + string_list_clear(onelines, 0); + free(onelines); + log->list.items[i].util = NULL; + } + + strbuf_release(&sb); + log->list.strdup_strings = 1; + string_list_clear(&log->list, 1); + clear_mailmap(&log->mailmap); +} |