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#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) {
read_from_stdin(&log);
}
else
get_from_rev(&rev, &log);
shortlog_output(&log);
return 0;
}
void shortlog_output(struct shortlog *log)
{
int i, j;
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) {
int col = print_wrapped_text(msg, log->in1, log->in2, log->wrap);
if (col != log->wrap)
putchar('\n');
}
else
printf(" %s\n", msg);
}
putchar('\n');
}
onelines->strdup_strings = 1;
string_list_clear(onelines, 0);
free(onelines);
log->list.items[i].util = NULL;
}
log->list.strdup_strings = 1;
string_list_clear(&log->list, 1);
clear_mailmap(&log->mailmap);
}