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![Elijah Newren](/assets/img/avatar_default.png)
This also made it clear that several .c files depended upon various things that oidset included, but had omitted the direct #include for those headers. Add those now. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
522 lines
14 KiB
C
522 lines
14 KiB
C
#include "builtin.h"
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#include "config.h"
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#include "commit.h"
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#include "diff.h"
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#include "environment.h"
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#include "gettext.h"
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#include "string-list.h"
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#include "repository.h"
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#include "revision.h"
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#include "utf8.h"
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#include "mailmap.h"
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#include "setup.h"
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#include "shortlog.h"
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#include "parse-options.h"
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#include "trailer.h"
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#include "strmap.h"
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static char const * const shortlog_usage[] = {
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N_("git shortlog [<options>] [<revision-range>] [[--] <path>...]"),
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N_("git log --pretty=short | git shortlog [<options>]"),
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NULL
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};
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/*
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* The util field of our string_list_items will contain one of two things:
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*
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* - if --summary is not in use, it will point to a string list of the
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* oneline subjects assigned to this author
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*
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* - if --summary is in use, we don't need that list; we only need to know
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* its size. So we abuse the pointer slot to store our integer counter.
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*
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* This macro accesses the latter.
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*/
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#define UTIL_TO_INT(x) ((intptr_t)(x)->util)
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static int compare_by_counter(const void *a1, const void *a2)
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{
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const struct string_list_item *i1 = a1, *i2 = a2;
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return UTIL_TO_INT(i2) - UTIL_TO_INT(i1);
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}
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static int compare_by_list(const void *a1, const void *a2)
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{
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const struct string_list_item *i1 = a1, *i2 = a2;
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const struct string_list *l1 = i1->util, *l2 = i2->util;
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if (l1->nr < l2->nr)
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return 1;
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else if (l1->nr == l2->nr)
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return 0;
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else
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return -1;
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}
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static void insert_one_record(struct shortlog *log,
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const char *ident,
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const char *oneline)
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{
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struct string_list_item *item;
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item = string_list_insert(&log->list, ident);
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if (log->summary)
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item->util = (void *)(UTIL_TO_INT(item) + 1);
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else {
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char *buffer;
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struct strbuf subject = STRBUF_INIT;
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const char *eol;
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/* Skip any leading whitespace, including any blank lines. */
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while (*oneline && isspace(*oneline))
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oneline++;
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eol = strchr(oneline, '\n');
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if (!eol)
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eol = oneline + strlen(oneline);
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if (starts_with(oneline, "[PATCH")) {
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char *eob = strchr(oneline, ']');
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if (eob && (!eol || eob < eol))
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oneline = eob + 1;
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}
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while (*oneline && isspace(*oneline) && *oneline != '\n')
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oneline++;
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format_subject(&subject, oneline, " ");
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buffer = strbuf_detach(&subject, NULL);
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if (!item->util) {
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item->util = xmalloc(sizeof(struct string_list));
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string_list_init_nodup(item->util);
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}
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string_list_append(item->util, buffer);
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}
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}
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static int parse_ident(struct shortlog *log,
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struct strbuf *out, const char *in)
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{
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const char *mailbuf, *namebuf;
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size_t namelen, maillen;
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struct ident_split ident;
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if (split_ident_line(&ident, in, strlen(in)))
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return -1;
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namebuf = ident.name_begin;
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mailbuf = ident.mail_begin;
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namelen = ident.name_end - ident.name_begin;
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maillen = ident.mail_end - ident.mail_begin;
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map_user(&log->mailmap, &mailbuf, &maillen, &namebuf, &namelen);
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strbuf_add(out, namebuf, namelen);
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if (log->email)
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strbuf_addf(out, " <%.*s>", (int)maillen, mailbuf);
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return 0;
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}
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static void read_from_stdin(struct shortlog *log)
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{
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struct strbuf ident = STRBUF_INIT;
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struct strbuf mapped_ident = STRBUF_INIT;
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struct strbuf oneline = STRBUF_INIT;
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static const char *author_match[2] = { "Author: ", "author " };
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static const char *committer_match[2] = { "Commit: ", "committer " };
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const char **match;
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if (HAS_MULTI_BITS(log->groups))
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die(_("using multiple --group options with stdin is not supported"));
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switch (log->groups) {
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case SHORTLOG_GROUP_AUTHOR:
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match = author_match;
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break;
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case SHORTLOG_GROUP_COMMITTER:
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match = committer_match;
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break;
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case SHORTLOG_GROUP_TRAILER:
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die(_("using %s with stdin is not supported"), "--group=trailer");
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case SHORTLOG_GROUP_FORMAT:
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die(_("using %s with stdin is not supported"), "--group=format");
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default:
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BUG("unhandled shortlog group");
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}
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while (strbuf_getline_lf(&ident, stdin) != EOF) {
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const char *v;
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if (!skip_prefix(ident.buf, match[0], &v) &&
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!skip_prefix(ident.buf, match[1], &v))
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continue;
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while (strbuf_getline_lf(&oneline, stdin) != EOF &&
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oneline.len)
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; /* discard headers */
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while (strbuf_getline_lf(&oneline, stdin) != EOF &&
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!oneline.len)
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; /* discard blanks */
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strbuf_reset(&mapped_ident);
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if (parse_ident(log, &mapped_ident, v) < 0)
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continue;
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insert_one_record(log, mapped_ident.buf, oneline.buf);
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}
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strbuf_release(&ident);
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strbuf_release(&mapped_ident);
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strbuf_release(&oneline);
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}
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static void insert_records_from_trailers(struct shortlog *log,
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struct strset *dups,
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struct commit *commit,
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struct pretty_print_context *ctx,
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const char *oneline)
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{
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struct trailer_iterator iter;
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const char *commit_buffer, *body;
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struct strbuf ident = STRBUF_INIT;
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if (!log->trailers.nr)
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return;
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/*
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* Using repo_format_commit_message("%B") would be simpler here, but
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* this saves us copying the message.
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*/
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commit_buffer = repo_logmsg_reencode(the_repository, commit, NULL,
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ctx->output_encoding);
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body = strstr(commit_buffer, "\n\n");
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if (!body)
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return;
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trailer_iterator_init(&iter, body);
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while (trailer_iterator_advance(&iter)) {
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const char *value = iter.val.buf;
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if (!string_list_has_string(&log->trailers, iter.key.buf))
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continue;
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strbuf_reset(&ident);
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if (!parse_ident(log, &ident, value))
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value = ident.buf;
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if (!strset_add(dups, value))
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continue;
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insert_one_record(log, value, oneline);
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}
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trailer_iterator_release(&iter);
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strbuf_release(&ident);
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repo_unuse_commit_buffer(the_repository, commit, commit_buffer);
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}
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static int shortlog_needs_dedup(const struct shortlog *log)
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{
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return HAS_MULTI_BITS(log->groups) || log->format.nr > 1 || log->trailers.nr;
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}
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static void insert_records_from_format(struct shortlog *log,
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struct strset *dups,
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struct commit *commit,
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struct pretty_print_context *ctx,
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const char *oneline)
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{
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struct strbuf buf = STRBUF_INIT;
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struct string_list_item *item;
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for_each_string_list_item(item, &log->format) {
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strbuf_reset(&buf);
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repo_format_commit_message(the_repository, commit,
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item->string, &buf, ctx);
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if (!shortlog_needs_dedup(log) || strset_add(dups, buf.buf))
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insert_one_record(log, buf.buf, oneline);
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}
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strbuf_release(&buf);
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}
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void shortlog_add_commit(struct shortlog *log, struct commit *commit)
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{
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struct strbuf oneline = STRBUF_INIT;
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struct strset dups = STRSET_INIT;
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struct pretty_print_context ctx = {0};
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const char *oneline_str;
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ctx.fmt = CMIT_FMT_USERFORMAT;
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ctx.abbrev = log->abbrev;
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ctx.print_email_subject = 1;
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ctx.date_mode = log->date_mode;
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ctx.output_encoding = get_log_output_encoding();
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if (!log->summary) {
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if (log->user_format)
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pretty_print_commit(&ctx, commit, &oneline);
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else
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repo_format_commit_message(the_repository, commit,
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"%s", &oneline, &ctx);
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}
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oneline_str = oneline.len ? oneline.buf : "<none>";
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insert_records_from_trailers(log, &dups, commit, &ctx, oneline_str);
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insert_records_from_format(log, &dups, commit, &ctx, oneline_str);
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strset_clear(&dups);
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strbuf_release(&oneline);
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}
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static void get_from_rev(struct rev_info *rev, struct shortlog *log)
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{
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struct commit *commit;
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if (prepare_revision_walk(rev))
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die(_("revision walk setup failed"));
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while ((commit = get_revision(rev)) != NULL)
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shortlog_add_commit(log, commit);
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}
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static int parse_uint(char const **arg, int comma, int defval)
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{
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unsigned long ul;
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int ret;
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char *endp;
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ul = strtoul(*arg, &endp, 10);
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if (*endp && *endp != comma)
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return -1;
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if (ul > INT_MAX)
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return -1;
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ret = *arg == endp ? defval : (int)ul;
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*arg = *endp ? endp + 1 : endp;
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return ret;
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}
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static const char wrap_arg_usage[] = "-w[<width>[,<indent1>[,<indent2>]]]";
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#define DEFAULT_WRAPLEN 76
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#define DEFAULT_INDENT1 6
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#define DEFAULT_INDENT2 9
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static int parse_wrap_args(const struct option *opt, const char *arg, int unset)
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{
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struct shortlog *log = opt->value;
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log->wrap_lines = !unset;
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if (unset)
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return 0;
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if (!arg) {
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log->wrap = DEFAULT_WRAPLEN;
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log->in1 = DEFAULT_INDENT1;
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log->in2 = DEFAULT_INDENT2;
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return 0;
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}
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log->wrap = parse_uint(&arg, ',', DEFAULT_WRAPLEN);
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log->in1 = parse_uint(&arg, ',', DEFAULT_INDENT1);
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log->in2 = parse_uint(&arg, '\0', DEFAULT_INDENT2);
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if (log->wrap < 0 || log->in1 < 0 || log->in2 < 0)
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return error(wrap_arg_usage);
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if (log->wrap &&
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((log->in1 && log->wrap <= log->in1) ||
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(log->in2 && log->wrap <= log->in2)))
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return error(wrap_arg_usage);
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return 0;
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}
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static int parse_group_option(const struct option *opt, const char *arg, int unset)
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{
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struct shortlog *log = opt->value;
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const char *field;
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if (unset) {
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log->groups = 0;
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string_list_clear(&log->trailers, 0);
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string_list_clear(&log->format, 0);
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} else if (!strcasecmp(arg, "author"))
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log->groups |= SHORTLOG_GROUP_AUTHOR;
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else if (!strcasecmp(arg, "committer"))
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log->groups |= SHORTLOG_GROUP_COMMITTER;
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else if (skip_prefix(arg, "trailer:", &field)) {
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log->groups |= SHORTLOG_GROUP_TRAILER;
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string_list_append(&log->trailers, field);
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} else if (skip_prefix(arg, "format:", &field)) {
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log->groups |= SHORTLOG_GROUP_FORMAT;
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string_list_append(&log->format, field);
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} else if (strchr(arg, '%')) {
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log->groups |= SHORTLOG_GROUP_FORMAT;
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string_list_append(&log->format, arg);
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} else {
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return error(_("unknown group type: %s"), arg);
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}
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return 0;
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}
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void shortlog_init(struct shortlog *log)
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{
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memset(log, 0, sizeof(*log));
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read_mailmap(&log->mailmap);
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log->list.strdup_strings = 1;
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log->wrap = DEFAULT_WRAPLEN;
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log->in1 = DEFAULT_INDENT1;
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log->in2 = DEFAULT_INDENT2;
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log->trailers.strdup_strings = 1;
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log->trailers.cmp = strcasecmp;
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log->format.strdup_strings = 1;
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}
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void shortlog_finish_setup(struct shortlog *log)
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{
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if (log->groups & SHORTLOG_GROUP_AUTHOR)
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string_list_append(&log->format,
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log->email ? "%aN <%aE>" : "%aN");
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if (log->groups & SHORTLOG_GROUP_COMMITTER)
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string_list_append(&log->format,
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log->email ? "%cN <%cE>" : "%cN");
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string_list_sort(&log->trailers);
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}
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int cmd_shortlog(int argc, const char **argv, const char *prefix)
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{
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struct shortlog log = { STRING_LIST_INIT_NODUP };
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struct rev_info rev;
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int nongit = !startup_info->have_repository;
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const struct option options[] = {
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OPT_BIT('c', "committer", &log.groups,
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N_("group by committer rather than author"),
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SHORTLOG_GROUP_COMMITTER),
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OPT_BOOL('n', "numbered", &log.sort_by_number,
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N_("sort output according to the number of commits per author")),
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OPT_BOOL('s', "summary", &log.summary,
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N_("suppress commit descriptions, only provides commit count")),
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OPT_BOOL('e', "email", &log.email,
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N_("show the email address of each author")),
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OPT_CALLBACK_F('w', NULL, &log, N_("<w>[,<i1>[,<i2>]]"),
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N_("linewrap output"), PARSE_OPT_OPTARG,
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&parse_wrap_args),
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OPT_CALLBACK(0, "group", &log, N_("field"),
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N_("group by field"), parse_group_option),
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OPT_END(),
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};
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struct parse_opt_ctx_t ctx;
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git_config(git_default_config, NULL);
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shortlog_init(&log);
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repo_init_revisions(the_repository, &rev, prefix);
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parse_options_start(&ctx, argc, argv, prefix, options,
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PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0);
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for (;;) {
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switch (parse_options_step(&ctx, options, shortlog_usage)) {
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case PARSE_OPT_NON_OPTION:
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case PARSE_OPT_UNKNOWN:
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break;
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case PARSE_OPT_HELP:
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case PARSE_OPT_ERROR:
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case PARSE_OPT_SUBCOMMAND:
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exit(129);
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case PARSE_OPT_COMPLETE:
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exit(0);
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case PARSE_OPT_DONE:
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goto parse_done;
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}
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parse_revision_opt(&rev, &ctx, options, shortlog_usage);
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}
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parse_done:
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revision_opts_finish(&rev);
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argc = parse_options_end(&ctx);
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if (nongit && argc > 1) {
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error(_("too many arguments given outside repository"));
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usage_with_options(shortlog_usage, options);
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}
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if (setup_revisions(argc, argv, &rev, NULL) != 1) {
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error(_("unrecognized argument: %s"), argv[1]);
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usage_with_options(shortlog_usage, options);
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}
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log.user_format = rev.commit_format == CMIT_FMT_USERFORMAT;
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log.abbrev = rev.abbrev;
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log.file = rev.diffopt.file;
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log.date_mode = rev.date_mode;
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if (!log.groups)
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log.groups = SHORTLOG_GROUP_AUTHOR;
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shortlog_finish_setup(&log);
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/* assume HEAD if from a tty */
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if (!nongit && !rev.pending.nr && isatty(0))
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add_head_to_pending(&rev);
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if (rev.pending.nr == 0) {
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if (isatty(0))
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fprintf(stderr, _("(reading log message from standard input)\n"));
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read_from_stdin(&log);
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}
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else
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get_from_rev(&rev, &log);
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release_revisions(&rev);
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shortlog_output(&log);
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if (log.file != stdout)
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fclose(log.file);
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return 0;
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}
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static void add_wrapped_shortlog_msg(struct strbuf *sb, const char *s,
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const struct shortlog *log)
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{
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strbuf_add_wrapped_text(sb, s, log->in1, log->in2, log->wrap);
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strbuf_addch(sb, '\n');
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}
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void shortlog_output(struct shortlog *log)
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{
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size_t i, j;
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struct strbuf sb = STRBUF_INIT;
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if (log->sort_by_number)
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STABLE_QSORT(log->list.items, log->list.nr,
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log->summary ? compare_by_counter : compare_by_list);
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for (i = 0; i < log->list.nr; i++) {
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const struct string_list_item *item = &log->list.items[i];
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if (log->summary) {
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fprintf(log->file, "%6d\t%s\n",
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(int)UTIL_TO_INT(item), item->string);
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} else {
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struct string_list *onelines = item->util;
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fprintf(log->file, "%s (%"PRIuMAX"):\n",
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item->string, (uintmax_t)onelines->nr);
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for (j = onelines->nr; j >= 1; j--) {
|
|
const char *msg = onelines->items[j - 1].string;
|
|
|
|
if (log->wrap_lines) {
|
|
strbuf_reset(&sb);
|
|
add_wrapped_shortlog_msg(&sb, msg, log);
|
|
fwrite(sb.buf, sb.len, 1, log->file);
|
|
}
|
|
else
|
|
fprintf(log->file, " %s\n", msg);
|
|
}
|
|
putc('\n', log->file);
|
|
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);
|
|
string_list_clear(&log->format, 0);
|
|
}
|