#include "revision.h"
#include "utf8.h"
#include "mailmap.h"
+#include "shortlog.h"
+#include "parse-options.h"
-static const char shortlog_usage[] =
-"git-shortlog [-n] [-s] [<commit-id>... ]";
-
-static char *common_repo_prefix;
+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)
{
return -1;
}
-static struct path_list mailmap = {NULL, 0, 0, 0};
-
-static void insert_author_oneline(struct path_list *list,
- const char *author, int authorlen,
- const char *oneline, int onelinelen)
+static void insert_one_record(struct shortlog *log,
+ const char *author,
+ const char *oneline)
{
- const char *dot3 = common_repo_prefix;
+ const char *dot3 = log->common_repo_prefix;
char *buffer, *p;
struct path_list_item *item;
struct path_list *onelines;
+ char namebuf[1024];
+ size_t len;
+ const char *eol;
+ const char *boemail, *eoemail;
+
+ boemail = strchr(author, '<');
+ if (!boemail)
+ return;
+ eoemail = strchr(boemail, '>');
+ if (!eoemail)
+ return;
+ if (!map_email(&log->mailmap, boemail+1, 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);
- while (authorlen > 0 && isspace(author[authorlen - 1]))
- authorlen--;
-
- buffer = xmalloc(authorlen + 1);
- memcpy(buffer, author, authorlen);
- buffer[authorlen] = '\0';
+ if (log->email) {
+ size_t room = sizeof(namebuf) - len - 1;
+ int maillen = eoemail - boemail + 1;
+ snprintf(namebuf + len, room, " %.*s", maillen, boemail);
+ }
- item = path_list_insert(buffer, list);
+ buffer = xstrdup(namebuf);
+ item = path_list_insert(buffer, &log->list);
if (item->util == NULL)
item->util = xcalloc(1, sizeof(struct path_list));
else
free(buffer);
+ /* 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) {
- while (isspace(eob[1]) && eob[1] != '\n')
- eob++;
- if (eob - oneline < onelinelen) {
- onelinelen -= eob - oneline;
- oneline = eob;
- }
- }
+ if (eob && (!eol || eob < eol))
+ oneline = eob + 1;
}
-
- while (onelinelen > 0 && isspace(oneline[0])) {
+ while (*oneline && isspace(*oneline) && *oneline != '\n')
oneline++;
- onelinelen--;
- }
-
- while (onelinelen > 0 && isspace(oneline[onelinelen - 1]))
- onelinelen--;
-
- buffer = xmalloc(onelinelen + 1);
- memcpy(buffer, oneline, onelinelen);
- buffer[onelinelen] = '\0';
+ len = eol - oneline;
+ while (len && isspace(oneline[len-1]))
+ len--;
+ buffer = xmemdupz(oneline, len);
if (dot3) {
int dot3len = strlen(dot3);
onelines->items[onelines->nr++].path = buffer;
}
-static void read_from_stdin(struct path_list *list)
+static void read_from_stdin(struct shortlog *log)
{
- char buffer[1024];
-
- while (fgets(buffer, sizeof(buffer), stdin) != NULL) {
- char *bob;
- if ((buffer[0] == 'A' || buffer[0] == 'a') &&
- !prefixcmp(buffer + 1, "uthor: ") &&
- (bob = strchr(buffer + 7, '<')) != NULL) {
- char buffer2[1024], offset = 0;
-
- if (map_email(&mailmap, bob + 1, buffer, sizeof(buffer)))
- bob = buffer + strlen(buffer);
- else {
- offset = 8;
- while (buffer + offset < bob &&
- isspace(bob[-1]))
- bob--;
- }
-
- while (fgets(buffer2, sizeof(buffer2), stdin) &&
- buffer2[0] != '\n')
- ; /* chomp input */
- if (fgets(buffer2, sizeof(buffer2), stdin)) {
- int l2 = strlen(buffer2);
- int i;
- for (i = 0; i < l2; i++)
- if (!isspace(buffer2[i]))
- break;
- insert_author_oneline(list,
- buffer + offset,
- bob - buffer - offset,
- buffer2 + i, l2 - i);
- }
- }
+ 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);
}
}
-static void get_from_rev(struct rev_info *rev, struct path_list *list)
+void shortlog_add_commit(struct shortlog *log, struct commit *commit)
{
- char scratch[1024];
- struct commit *commit;
+ const char *author = NULL, *buffer;
- prepare_revision_walk(rev);
- while ((commit = get_revision(rev)) != NULL) {
- const char *author = NULL, *oneline, *buffer;
- int authorlen = authorlen, onelinelen;
-
- /* get author and oneline */
- for (buffer = commit->buffer; buffer && *buffer != '\0' &&
- *buffer != '\n'; ) {
- const char *eol = strchr(buffer, '\n');
-
- if (eol == NULL)
- eol = buffer + strlen(buffer);
- else
- eol++;
-
- if (!prefixcmp(buffer, "author ")) {
- char *bracket = strchr(buffer, '<');
-
- if (bracket == NULL || bracket > eol)
- die("Invalid commit buffer: %s",
- sha1_to_hex(commit->object.sha1));
-
- if (map_email(&mailmap, bracket + 1, scratch,
- sizeof(scratch))) {
- author = scratch;
- authorlen = strlen(scratch);
- } else {
- if (bracket[-1] == ' ')
- bracket--;
-
- author = buffer + 7;
- authorlen = bracket - buffer - 7;
- }
- }
- buffer = eol;
- }
-
- if (author == NULL)
- die ("Missing author: %s",
- sha1_to_hex(commit->object.sha1));
+ buffer = commit->buffer;
+ while (*buffer && *buffer != '\n') {
+ const char *eol = strchr(buffer, '\n');
- if (buffer == NULL || *buffer == '\0') {
- oneline = "<none>";
- onelinelen = sizeof(oneline) + 1;
- } else {
- char *eol;
-
- oneline = buffer + 1;
- eol = strchr(oneline, '\n');
- if (eol == NULL)
- onelinelen = strlen(oneline);
- else
- onelinelen = eol - oneline;
- }
+ if (eol == NULL)
+ eol = buffer + strlen(buffer);
+ else
+ eol++;
- insert_author_oneline(list,
- author, authorlen, oneline, onelinelen);
+ if (!prefixcmp(buffer, "author "))
+ author = buffer + 7;
+ buffer = eol;
}
+ if (!author)
+ die("Missing author: %s",
+ sha1_to_hex(commit->object.sha1));
+ if (*buffer)
+ buffer++;
+ insert_one_record(log, author, !*buffer ? "<none>" : buffer);
+}
+
+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)
+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 != *arg && *endp && *endp != comma)
+ if (*endp && *endp != comma)
return -1;
- ret = (int) ul;
- if (ret != ul)
+ if (ul > INT_MAX)
return -1;
- *arg = endp;
- if (**arg)
- (*arg)++;
+ ret = *arg == endp ? defval : (int)ul;
+ *arg = *endp ? endp + 1 : endp;
return ret;
}
#define DEFAULT_INDENT1 6
#define DEFAULT_INDENT2 9
-static void parse_wrap_args(const char *arg, int *in1, int *in2, int *wrap)
+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)
{
- arg += 2; /* skip -w */
-
- *wrap = parse_uint(&arg, ',');
- if (*wrap < 0)
- die(wrap_arg_usage);
- *in1 = parse_uint(&arg, ',');
- if (*in1 < 0)
- die(wrap_arg_usage);
- *in2 = parse_uint(&arg, '\0');
- if (*in2 < 0)
- die(wrap_arg_usage);
-
- if (!*wrap)
- *wrap = DEFAULT_WRAPLEN;
- if (!*in1)
- *in1 = DEFAULT_INDENT1;
- if (!*in2)
- *in2 = DEFAULT_INDENT2;
- if (*wrap &&
- ((*in1 && *wrap <= *in1) ||
- (*in2 && *wrap <= *in2)))
- die(wrap_arg_usage);
+ memset(log, 0, sizeof(*log));
+
+ read_mailmap(&log->mailmap, ".mailmap", &log->common_repo_prefix);
+
+ log->list.strdup_paths = 1;
+ log->wrap = DEFAULT_WRAPLEN;
+ log->in1 = DEFAULT_INDENT1;
+ log->in2 = DEFAULT_INDENT2;
}
int cmd_shortlog(int argc, const char **argv, const char *prefix)
{
- struct rev_info rev;
- struct path_list list = { NULL, 0, 0, 1 };
- int i, j, sort_by_number = 0, summary = 0;
- int wrap_lines = 0;
- int wrap = DEFAULT_WRAPLEN;
- int in1 = DEFAULT_INDENT1;
- int in2 = DEFAULT_INDENT2;
-
- /* since -n is a shadowed rev argument, parse our args first */
- while (argc > 1) {
- if (!strcmp(argv[1], "-n") || !strcmp(argv[1], "--numbered"))
- sort_by_number = 1;
- else if (!strcmp(argv[1], "-s") ||
- !strcmp(argv[1], "--summary"))
- summary = 1;
- else if (!prefixcmp(argv[1], "-w")) {
- wrap_lines = 1;
- parse_wrap_args(argv[1], &in1, &in2, &wrap);
+ 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);
+ shortlog_init(&log);
+ init_revisions(&rev, prefix);
+ parse_options_start(&ctx, argc, argv, 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;
}
- else if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))
- usage(shortlog_usage);
- else
- break;
- argv++;
- argc--;
+ parse_revision_opt(&rev, &ctx, options, shortlog_usage);
}
- init_revisions(&rev, prefix);
- argc = setup_revisions(argc, argv, &rev, NULL);
- if (argc > 1)
- die ("unrecognized argument: %s", argv[1]);
+parse_done:
+ argc = parse_options_end(&ctx);
- read_mailmap(&mailmap, ".mailmap", &common_repo_prefix);
+ if (setup_revisions(argc, argv, &rev, NULL) != 1) {
+ error("unrecognized argument: %s", argv[1]);
+ usage_with_options(shortlog_usage, options);
+ }
+ /* 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 to summarize from standard input)\n");
- read_from_stdin(&list);
+ read_from_stdin(&log);
}
else
- get_from_rev(&rev, &list);
+ get_from_rev(&rev, &log);
- if (sort_by_number)
- qsort(list.items, list.nr, sizeof(struct path_list_item),
- compare_by_number);
+ shortlog_output(&log);
+ return 0;
+}
- for (i = 0; i < list.nr; i++) {
- struct path_list *onelines = list.items[i].util;
+void shortlog_output(struct shortlog *log)
+{
+ int i, j;
+ if (log->sort_by_number)
+ qsort(log->list.items, log->list.nr, sizeof(struct path_list_item),
+ compare_by_number);
+ for (i = 0; i < log->list.nr; i++) {
+ struct path_list *onelines = log->list.items[i].util;
- if (summary) {
- printf("%s: %d\n", list.items[i].path, onelines->nr);
+ if (log->summary) {
+ printf("%6d\t%s\n", onelines->nr, log->list.items[i].path);
} else {
- printf("%s (%d):\n", list.items[i].path, onelines->nr);
+ printf("%s (%d):\n", log->list.items[i].path, onelines->nr);
for (j = onelines->nr - 1; j >= 0; j--) {
const char *msg = onelines->items[j].path;
- if (wrap_lines) {
- int col = print_wrapped_text(msg, in1, in2, wrap);
- if (col != wrap)
+ if (log->wrap_lines) {
+ int col = print_wrapped_text(msg, log->in1, log->in2, log->wrap);
+ if (col != log->wrap)
putchar('\n');
}
else
onelines->strdup_paths = 1;
path_list_clear(onelines, 1);
free(onelines);
- list.items[i].util = NULL;
+ log->list.items[i].util = NULL;
}
- list.strdup_paths = 1;
- path_list_clear(&list, 1);
- mailmap.strdup_paths = 1;
- path_list_clear(&mailmap, 1);
-
- return 0;
+ log->list.strdup_paths = 1;
+ path_list_clear(&log->list, 1);
+ log->mailmap.strdup_paths = 1;
+ path_list_clear(&log->mailmap, 1);
}