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![Junio C Hamano](/assets/img/avatar_default.png)
Remove unused header "#include". * en/header-cleanup: treewide: remove unnecessary includes in source files treewide: add direct includes currently only pulled in transitively trace2/tr2_tls.h: remove unnecessary include submodule-config.h: remove unnecessary include pkt-line.h: remove unnecessary include line-log.h: remove unnecessary include http.h: remove unnecessary include fsmonitor--daemon.h: remove unnecessary includes blame.h: remove unnecessary includes archive.h: remove unnecessary include treewide: remove unnecessary includes in source files treewide: remove unnecessary includes from header files
1234 lines
34 KiB
C
1234 lines
34 KiB
C
/*
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* Blame
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*
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* Copyright (c) 2006, 2014 by its authors
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* See COPYING for licensing conditions
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*/
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#include "git-compat-util.h"
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#include "config.h"
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#include "color.h"
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#include "builtin.h"
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#include "environment.h"
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#include "gettext.h"
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#include "hex.h"
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#include "repository.h"
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#include "commit.h"
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#include "diff.h"
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#include "revision.h"
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#include "quote.h"
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#include "string-list.h"
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#include "mailmap.h"
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#include "parse-options.h"
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#include "prio-queue.h"
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#include "utf8.h"
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#include "userdiff.h"
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#include "line-range.h"
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#include "line-log.h"
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#include "progress.h"
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#include "object-name.h"
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#include "object-store-ll.h"
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#include "pager.h"
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#include "blame.h"
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#include "refs.h"
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#include "setup.h"
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#include "tag.h"
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#include "write-or-die.h"
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static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] <file>");
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static char annotate_usage[] = N_("git annotate [<options>] [<rev-opts>] [<rev>] [--] <file>");
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static const char *blame_opt_usage[] = {
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blame_usage,
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"",
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N_("<rev-opts> are documented in git-rev-list(1)"),
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NULL
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};
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static const char *annotate_opt_usage[] = {
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annotate_usage,
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"",
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N_("<rev-opts> are documented in git-rev-list(1)"),
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NULL
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};
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static int longest_file;
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static int longest_author;
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static int max_orig_digits;
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static int max_digits;
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static int max_score_digits;
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static int show_root;
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static int reverse;
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static int blank_boundary;
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static int incremental;
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static int xdl_opts;
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static int abbrev = -1;
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static int no_whole_file_rename;
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static int show_progress;
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static char repeated_meta_color[COLOR_MAXLEN];
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static int coloring_mode;
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static struct string_list ignore_revs_file_list = STRING_LIST_INIT_NODUP;
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static int mark_unblamable_lines;
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static int mark_ignored_lines;
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static struct date_mode blame_date_mode = { DATE_ISO8601 };
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static size_t blame_date_width;
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static struct string_list mailmap = STRING_LIST_INIT_NODUP;
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#ifndef DEBUG_BLAME
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#define DEBUG_BLAME 0
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#endif
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static unsigned blame_move_score;
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static unsigned blame_copy_score;
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/* Remember to update object flag allocation in object.h */
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#define METAINFO_SHOWN (1u<<12)
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#define MORE_THAN_ONE_PATH (1u<<13)
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struct progress_info {
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struct progress *progress;
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int blamed_lines;
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};
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static const char *nth_line_cb(void *data, long lno)
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{
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return blame_nth_line((struct blame_scoreboard *)data, lno);
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}
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/*
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* Information on commits, used for output.
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*/
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struct commit_info {
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struct strbuf author;
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struct strbuf author_mail;
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timestamp_t author_time;
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struct strbuf author_tz;
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/* filled only when asked for details */
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struct strbuf committer;
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struct strbuf committer_mail;
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timestamp_t committer_time;
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struct strbuf committer_tz;
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struct strbuf summary;
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};
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#define COMMIT_INFO_INIT { \
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.author = STRBUF_INIT, \
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.author_mail = STRBUF_INIT, \
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.author_tz = STRBUF_INIT, \
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.committer = STRBUF_INIT, \
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.committer_mail = STRBUF_INIT, \
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.committer_tz = STRBUF_INIT, \
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.summary = STRBUF_INIT, \
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}
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/*
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* Parse author/committer line in the commit object buffer
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*/
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static void get_ac_line(const char *inbuf, const char *what,
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struct strbuf *name, struct strbuf *mail,
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timestamp_t *time, struct strbuf *tz)
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{
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struct ident_split ident;
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size_t len, maillen, namelen;
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char *tmp, *endp;
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const char *namebuf, *mailbuf;
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tmp = strstr(inbuf, what);
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if (!tmp)
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goto error_out;
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tmp += strlen(what);
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endp = strchr(tmp, '\n');
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if (!endp)
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len = strlen(tmp);
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else
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len = endp - tmp;
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if (split_ident_line(&ident, tmp, len)) {
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error_out:
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/* Ugh */
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tmp = "(unknown)";
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strbuf_addstr(name, tmp);
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strbuf_addstr(mail, tmp);
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strbuf_addstr(tz, tmp);
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*time = 0;
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return;
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}
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namelen = ident.name_end - ident.name_begin;
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namebuf = ident.name_begin;
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maillen = ident.mail_end - ident.mail_begin;
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mailbuf = ident.mail_begin;
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if (ident.date_begin && ident.date_end)
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*time = strtoul(ident.date_begin, NULL, 10);
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else
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*time = 0;
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if (ident.tz_begin && ident.tz_end)
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strbuf_add(tz, ident.tz_begin, ident.tz_end - ident.tz_begin);
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else
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strbuf_addstr(tz, "(unknown)");
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/*
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* Now, convert both name and e-mail using mailmap
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*/
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map_user(&mailmap, &mailbuf, &maillen,
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&namebuf, &namelen);
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strbuf_addf(mail, "<%.*s>", (int)maillen, mailbuf);
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strbuf_add(name, namebuf, namelen);
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}
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static void commit_info_destroy(struct commit_info *ci)
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{
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strbuf_release(&ci->author);
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strbuf_release(&ci->author_mail);
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strbuf_release(&ci->author_tz);
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strbuf_release(&ci->committer);
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strbuf_release(&ci->committer_mail);
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strbuf_release(&ci->committer_tz);
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strbuf_release(&ci->summary);
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}
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static void get_commit_info(struct commit *commit,
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struct commit_info *ret,
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int detailed)
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{
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int len;
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const char *subject, *encoding;
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const char *message;
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encoding = get_log_output_encoding();
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message = repo_logmsg_reencode(the_repository, commit, NULL, encoding);
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get_ac_line(message, "\nauthor ",
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&ret->author, &ret->author_mail,
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&ret->author_time, &ret->author_tz);
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if (!detailed) {
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repo_unuse_commit_buffer(the_repository, commit, message);
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return;
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}
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get_ac_line(message, "\ncommitter ",
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&ret->committer, &ret->committer_mail,
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&ret->committer_time, &ret->committer_tz);
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len = find_commit_subject(message, &subject);
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if (len)
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strbuf_add(&ret->summary, subject, len);
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else
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strbuf_addf(&ret->summary, "(%s)", oid_to_hex(&commit->object.oid));
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repo_unuse_commit_buffer(the_repository, commit, message);
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}
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/*
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* Write out any suspect information which depends on the path. This must be
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* handled separately from emit_one_suspect_detail(), because a given commit
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* may have changes in multiple paths. So this needs to appear each time
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* we mention a new group.
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*
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* To allow LF and other nonportable characters in pathnames,
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* they are c-style quoted as needed.
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*/
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static void write_filename_info(struct blame_origin *suspect)
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{
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if (suspect->previous) {
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struct blame_origin *prev = suspect->previous;
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printf("previous %s ", oid_to_hex(&prev->commit->object.oid));
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write_name_quoted(prev->path, stdout, '\n');
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}
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printf("filename ");
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write_name_quoted(suspect->path, stdout, '\n');
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}
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/*
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* Porcelain/Incremental format wants to show a lot of details per
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* commit. Instead of repeating this every line, emit it only once,
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* the first time each commit appears in the output (unless the
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* user has specifically asked for us to repeat).
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*/
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static int emit_one_suspect_detail(struct blame_origin *suspect, int repeat)
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{
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struct commit_info ci = COMMIT_INFO_INIT;
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if (!repeat && (suspect->commit->object.flags & METAINFO_SHOWN))
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return 0;
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suspect->commit->object.flags |= METAINFO_SHOWN;
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get_commit_info(suspect->commit, &ci, 1);
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printf("author %s\n", ci.author.buf);
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printf("author-mail %s\n", ci.author_mail.buf);
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printf("author-time %"PRItime"\n", ci.author_time);
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printf("author-tz %s\n", ci.author_tz.buf);
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printf("committer %s\n", ci.committer.buf);
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printf("committer-mail %s\n", ci.committer_mail.buf);
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printf("committer-time %"PRItime"\n", ci.committer_time);
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printf("committer-tz %s\n", ci.committer_tz.buf);
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printf("summary %s\n", ci.summary.buf);
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if (suspect->commit->object.flags & UNINTERESTING)
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printf("boundary\n");
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commit_info_destroy(&ci);
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return 1;
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}
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/*
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* The blame_entry is found to be guilty for the range.
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* Show it in incremental output.
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*/
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static void found_guilty_entry(struct blame_entry *ent, void *data)
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{
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struct progress_info *pi = (struct progress_info *)data;
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if (incremental) {
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struct blame_origin *suspect = ent->suspect;
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printf("%s %d %d %d\n",
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oid_to_hex(&suspect->commit->object.oid),
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ent->s_lno + 1, ent->lno + 1, ent->num_lines);
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emit_one_suspect_detail(suspect, 0);
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write_filename_info(suspect);
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maybe_flush_or_die(stdout, "stdout");
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}
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pi->blamed_lines += ent->num_lines;
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display_progress(pi->progress, pi->blamed_lines);
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}
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static const char *format_time(timestamp_t time, const char *tz_str,
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int show_raw_time)
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{
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static struct strbuf time_buf = STRBUF_INIT;
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strbuf_reset(&time_buf);
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if (show_raw_time) {
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strbuf_addf(&time_buf, "%"PRItime" %s", time, tz_str);
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}
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else {
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const char *time_str;
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size_t time_width;
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int tz;
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tz = atoi(tz_str);
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time_str = show_date(time, tz, &blame_date_mode);
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strbuf_addstr(&time_buf, time_str);
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/*
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* Add space paddings to time_buf to display a fixed width
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* string, and use time_width for display width calibration.
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*/
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for (time_width = utf8_strwidth(time_str);
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time_width < blame_date_width;
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time_width++)
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strbuf_addch(&time_buf, ' ');
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}
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return time_buf.buf;
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}
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#define OUTPUT_ANNOTATE_COMPAT (1U<<0)
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#define OUTPUT_LONG_OBJECT_NAME (1U<<1)
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#define OUTPUT_RAW_TIMESTAMP (1U<<2)
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#define OUTPUT_PORCELAIN (1U<<3)
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#define OUTPUT_SHOW_NAME (1U<<4)
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#define OUTPUT_SHOW_NUMBER (1U<<5)
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#define OUTPUT_SHOW_SCORE (1U<<6)
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#define OUTPUT_NO_AUTHOR (1U<<7)
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#define OUTPUT_SHOW_EMAIL (1U<<8)
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#define OUTPUT_LINE_PORCELAIN (1U<<9)
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#define OUTPUT_COLOR_LINE (1U<<10)
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#define OUTPUT_SHOW_AGE_WITH_COLOR (1U<<11)
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static void emit_porcelain_details(struct blame_origin *suspect, int repeat)
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{
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if (emit_one_suspect_detail(suspect, repeat) ||
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(suspect->commit->object.flags & MORE_THAN_ONE_PATH))
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write_filename_info(suspect);
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}
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static void emit_porcelain(struct blame_scoreboard *sb, struct blame_entry *ent,
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int opt)
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{
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int repeat = opt & OUTPUT_LINE_PORCELAIN;
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int cnt;
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const char *cp;
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struct blame_origin *suspect = ent->suspect;
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char hex[GIT_MAX_HEXSZ + 1];
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oid_to_hex_r(hex, &suspect->commit->object.oid);
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printf("%s %d %d %d\n",
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hex,
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ent->s_lno + 1,
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ent->lno + 1,
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ent->num_lines);
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emit_porcelain_details(suspect, repeat);
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cp = blame_nth_line(sb, ent->lno);
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for (cnt = 0; cnt < ent->num_lines; cnt++) {
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char ch;
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if (cnt) {
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printf("%s %d %d\n", hex,
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ent->s_lno + 1 + cnt,
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ent->lno + 1 + cnt);
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if (repeat)
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emit_porcelain_details(suspect, 1);
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}
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putchar('\t');
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do {
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ch = *cp++;
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putchar(ch);
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} while (ch != '\n' &&
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cp < sb->final_buf + sb->final_buf_size);
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}
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if (sb->final_buf_size && cp[-1] != '\n')
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putchar('\n');
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}
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static struct color_field {
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timestamp_t hop;
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char col[COLOR_MAXLEN];
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} *colorfield;
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static int colorfield_nr, colorfield_alloc;
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static void parse_color_fields(const char *s)
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{
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struct string_list l = STRING_LIST_INIT_DUP;
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struct string_list_item *item;
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enum { EXPECT_DATE, EXPECT_COLOR } next = EXPECT_COLOR;
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colorfield_nr = 0;
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/* Ideally this would be stripped and split at the same time? */
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string_list_split(&l, s, ',', -1);
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ALLOC_GROW(colorfield, colorfield_nr + 1, colorfield_alloc);
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for_each_string_list_item(item, &l) {
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switch (next) {
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case EXPECT_DATE:
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colorfield[colorfield_nr].hop = approxidate(item->string);
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next = EXPECT_COLOR;
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colorfield_nr++;
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ALLOC_GROW(colorfield, colorfield_nr + 1, colorfield_alloc);
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break;
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case EXPECT_COLOR:
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if (color_parse(item->string, colorfield[colorfield_nr].col))
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die(_("expecting a color: %s"), item->string);
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next = EXPECT_DATE;
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break;
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}
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}
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if (next == EXPECT_COLOR)
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die(_("must end with a color"));
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colorfield[colorfield_nr].hop = TIME_MAX;
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string_list_clear(&l, 0);
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}
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static void setup_default_color_by_age(void)
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{
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parse_color_fields("blue,12 month ago,white,1 month ago,red");
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}
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static void determine_line_heat(struct commit_info *ci, const char **dest_color)
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{
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int i = 0;
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while (i < colorfield_nr && ci->author_time > colorfield[i].hop)
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i++;
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*dest_color = colorfield[i].col;
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}
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static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int opt)
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{
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int cnt;
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const char *cp;
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struct blame_origin *suspect = ent->suspect;
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struct commit_info ci = COMMIT_INFO_INIT;
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char hex[GIT_MAX_HEXSZ + 1];
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int show_raw_time = !!(opt & OUTPUT_RAW_TIMESTAMP);
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const char *default_color = NULL, *color = NULL, *reset = NULL;
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get_commit_info(suspect->commit, &ci, 1);
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oid_to_hex_r(hex, &suspect->commit->object.oid);
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cp = blame_nth_line(sb, ent->lno);
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if (opt & OUTPUT_SHOW_AGE_WITH_COLOR) {
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determine_line_heat(&ci, &default_color);
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color = default_color;
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reset = GIT_COLOR_RESET;
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}
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for (cnt = 0; cnt < ent->num_lines; cnt++) {
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char ch;
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int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? the_hash_algo->hexsz : abbrev;
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if (opt & OUTPUT_COLOR_LINE) {
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if (cnt > 0) {
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color = repeated_meta_color;
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reset = GIT_COLOR_RESET;
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} else {
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color = default_color ? default_color : NULL;
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reset = default_color ? GIT_COLOR_RESET : NULL;
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}
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}
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if (color)
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fputs(color, stdout);
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if (suspect->commit->object.flags & UNINTERESTING) {
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if (blank_boundary)
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memset(hex, ' ', length);
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else if (!(opt & OUTPUT_ANNOTATE_COMPAT)) {
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length--;
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putchar('^');
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}
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}
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if (mark_unblamable_lines && ent->unblamable) {
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length--;
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putchar('*');
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}
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if (mark_ignored_lines && ent->ignored) {
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length--;
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putchar('?');
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}
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printf("%.*s", length, hex);
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if (opt & OUTPUT_ANNOTATE_COMPAT) {
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const char *name;
|
|
if (opt & OUTPUT_SHOW_EMAIL)
|
|
name = ci.author_mail.buf;
|
|
else
|
|
name = ci.author.buf;
|
|
printf("\t(%10s\t%10s\t%d)", name,
|
|
format_time(ci.author_time, ci.author_tz.buf,
|
|
show_raw_time),
|
|
ent->lno + 1 + cnt);
|
|
} else {
|
|
if (opt & OUTPUT_SHOW_SCORE)
|
|
printf(" %*d %02d",
|
|
max_score_digits, ent->score,
|
|
ent->suspect->refcnt);
|
|
if (opt & OUTPUT_SHOW_NAME)
|
|
printf(" %-*.*s", longest_file, longest_file,
|
|
suspect->path);
|
|
if (opt & OUTPUT_SHOW_NUMBER)
|
|
printf(" %*d", max_orig_digits,
|
|
ent->s_lno + 1 + cnt);
|
|
|
|
if (!(opt & OUTPUT_NO_AUTHOR)) {
|
|
const char *name;
|
|
int pad;
|
|
if (opt & OUTPUT_SHOW_EMAIL)
|
|
name = ci.author_mail.buf;
|
|
else
|
|
name = ci.author.buf;
|
|
pad = longest_author - utf8_strwidth(name);
|
|
printf(" (%s%*s %10s",
|
|
name, pad, "",
|
|
format_time(ci.author_time,
|
|
ci.author_tz.buf,
|
|
show_raw_time));
|
|
}
|
|
printf(" %*d) ",
|
|
max_digits, ent->lno + 1 + cnt);
|
|
}
|
|
if (reset)
|
|
fputs(reset, stdout);
|
|
do {
|
|
ch = *cp++;
|
|
putchar(ch);
|
|
} while (ch != '\n' &&
|
|
cp < sb->final_buf + sb->final_buf_size);
|
|
}
|
|
|
|
if (sb->final_buf_size && cp[-1] != '\n')
|
|
putchar('\n');
|
|
|
|
commit_info_destroy(&ci);
|
|
}
|
|
|
|
static void output(struct blame_scoreboard *sb, int option)
|
|
{
|
|
struct blame_entry *ent;
|
|
|
|
if (option & OUTPUT_PORCELAIN) {
|
|
for (ent = sb->ent; ent; ent = ent->next) {
|
|
int count = 0;
|
|
struct blame_origin *suspect;
|
|
struct commit *commit = ent->suspect->commit;
|
|
if (commit->object.flags & MORE_THAN_ONE_PATH)
|
|
continue;
|
|
for (suspect = get_blame_suspects(commit); suspect; suspect = suspect->next) {
|
|
if (suspect->guilty && count++) {
|
|
commit->object.flags |= MORE_THAN_ONE_PATH;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
for (ent = sb->ent; ent; ent = ent->next) {
|
|
if (option & OUTPUT_PORCELAIN)
|
|
emit_porcelain(sb, ent, option);
|
|
else {
|
|
emit_other(sb, ent, option);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Add phony grafts for use with -S; this is primarily to
|
|
* support git's cvsserver that wants to give a linear history
|
|
* to its clients.
|
|
*/
|
|
static int read_ancestry(const char *graft_file)
|
|
{
|
|
FILE *fp = fopen_or_warn(graft_file, "r");
|
|
struct strbuf buf = STRBUF_INIT;
|
|
if (!fp)
|
|
return -1;
|
|
while (!strbuf_getwholeline(&buf, fp, '\n')) {
|
|
/* The format is just "Commit Parent1 Parent2 ...\n" */
|
|
struct commit_graft *graft = read_graft_line(&buf);
|
|
if (graft)
|
|
register_commit_graft(the_repository, graft, 0);
|
|
}
|
|
fclose(fp);
|
|
strbuf_release(&buf);
|
|
return 0;
|
|
}
|
|
|
|
static int update_auto_abbrev(int auto_abbrev, struct blame_origin *suspect)
|
|
{
|
|
const char *uniq = repo_find_unique_abbrev(the_repository,
|
|
&suspect->commit->object.oid,
|
|
auto_abbrev);
|
|
int len = strlen(uniq);
|
|
if (auto_abbrev < len)
|
|
return len;
|
|
return auto_abbrev;
|
|
}
|
|
|
|
/*
|
|
* How many columns do we need to show line numbers, authors,
|
|
* and filenames?
|
|
*/
|
|
static void find_alignment(struct blame_scoreboard *sb, int *option)
|
|
{
|
|
int longest_src_lines = 0;
|
|
int longest_dst_lines = 0;
|
|
unsigned largest_score = 0;
|
|
struct blame_entry *e;
|
|
int compute_auto_abbrev = (abbrev < 0);
|
|
int auto_abbrev = DEFAULT_ABBREV;
|
|
|
|
for (e = sb->ent; e; e = e->next) {
|
|
struct blame_origin *suspect = e->suspect;
|
|
int num;
|
|
|
|
if (compute_auto_abbrev)
|
|
auto_abbrev = update_auto_abbrev(auto_abbrev, suspect);
|
|
if (strcmp(suspect->path, sb->path))
|
|
*option |= OUTPUT_SHOW_NAME;
|
|
num = strlen(suspect->path);
|
|
if (longest_file < num)
|
|
longest_file = num;
|
|
if (!(suspect->commit->object.flags & METAINFO_SHOWN)) {
|
|
struct commit_info ci = COMMIT_INFO_INIT;
|
|
suspect->commit->object.flags |= METAINFO_SHOWN;
|
|
get_commit_info(suspect->commit, &ci, 1);
|
|
if (*option & OUTPUT_SHOW_EMAIL)
|
|
num = utf8_strwidth(ci.author_mail.buf);
|
|
else
|
|
num = utf8_strwidth(ci.author.buf);
|
|
if (longest_author < num)
|
|
longest_author = num;
|
|
commit_info_destroy(&ci);
|
|
}
|
|
num = e->s_lno + e->num_lines;
|
|
if (longest_src_lines < num)
|
|
longest_src_lines = num;
|
|
num = e->lno + e->num_lines;
|
|
if (longest_dst_lines < num)
|
|
longest_dst_lines = num;
|
|
if (largest_score < blame_entry_score(sb, e))
|
|
largest_score = blame_entry_score(sb, e);
|
|
}
|
|
max_orig_digits = decimal_width(longest_src_lines);
|
|
max_digits = decimal_width(longest_dst_lines);
|
|
max_score_digits = decimal_width(largest_score);
|
|
|
|
if (compute_auto_abbrev)
|
|
/* one more abbrev length is needed for the boundary commit */
|
|
abbrev = auto_abbrev + 1;
|
|
}
|
|
|
|
static void sanity_check_on_fail(struct blame_scoreboard *sb, int baa)
|
|
{
|
|
int opt = OUTPUT_SHOW_SCORE | OUTPUT_SHOW_NUMBER | OUTPUT_SHOW_NAME;
|
|
find_alignment(sb, &opt);
|
|
output(sb, opt);
|
|
die("Baa %d!", baa);
|
|
}
|
|
|
|
static unsigned parse_score(const char *arg)
|
|
{
|
|
char *end;
|
|
unsigned long score = strtoul(arg, &end, 10);
|
|
if (*end)
|
|
return 0;
|
|
return score;
|
|
}
|
|
|
|
static const char *add_prefix(const char *prefix, const char *path)
|
|
{
|
|
return prefix_path(prefix, prefix ? strlen(prefix) : 0, path);
|
|
}
|
|
|
|
static int git_blame_config(const char *var, const char *value,
|
|
const struct config_context *ctx, void *cb)
|
|
{
|
|
if (!strcmp(var, "blame.showroot")) {
|
|
show_root = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
if (!strcmp(var, "blame.blankboundary")) {
|
|
blank_boundary = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
if (!strcmp(var, "blame.showemail")) {
|
|
int *output_option = cb;
|
|
if (git_config_bool(var, value))
|
|
*output_option |= OUTPUT_SHOW_EMAIL;
|
|
else
|
|
*output_option &= ~OUTPUT_SHOW_EMAIL;
|
|
return 0;
|
|
}
|
|
if (!strcmp(var, "blame.date")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
parse_date_format(value, &blame_date_mode);
|
|
return 0;
|
|
}
|
|
if (!strcmp(var, "blame.ignorerevsfile")) {
|
|
const char *str;
|
|
int ret;
|
|
|
|
ret = git_config_pathname(&str, var, value);
|
|
if (ret)
|
|
return ret;
|
|
string_list_insert(&ignore_revs_file_list, str);
|
|
return 0;
|
|
}
|
|
if (!strcmp(var, "blame.markunblamablelines")) {
|
|
mark_unblamable_lines = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
if (!strcmp(var, "blame.markignoredlines")) {
|
|
mark_ignored_lines = git_config_bool(var, value);
|
|
return 0;
|
|
}
|
|
if (!strcmp(var, "color.blame.repeatedlines")) {
|
|
if (color_parse_mem(value, strlen(value), repeated_meta_color))
|
|
warning(_("invalid value for '%s': '%s'"),
|
|
"color.blame.repeatedLines", value);
|
|
return 0;
|
|
}
|
|
if (!strcmp(var, "color.blame.highlightrecent")) {
|
|
parse_color_fields(value);
|
|
return 0;
|
|
}
|
|
|
|
if (!strcmp(var, "blame.coloring")) {
|
|
if (!value)
|
|
return config_error_nonbool(var);
|
|
if (!strcmp(value, "repeatedLines")) {
|
|
coloring_mode |= OUTPUT_COLOR_LINE;
|
|
} else if (!strcmp(value, "highlightRecent")) {
|
|
coloring_mode |= OUTPUT_SHOW_AGE_WITH_COLOR;
|
|
} else if (!strcmp(value, "none")) {
|
|
coloring_mode &= ~(OUTPUT_COLOR_LINE |
|
|
OUTPUT_SHOW_AGE_WITH_COLOR);
|
|
} else {
|
|
warning(_("invalid value for '%s': '%s'"),
|
|
"blame.coloring", value);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (git_diff_heuristic_config(var, value, cb) < 0)
|
|
return -1;
|
|
if (userdiff_config(var, value) < 0)
|
|
return -1;
|
|
|
|
return git_default_config(var, value, ctx, cb);
|
|
}
|
|
|
|
static int blame_copy_callback(const struct option *option, const char *arg, int unset)
|
|
{
|
|
int *opt = option->value;
|
|
|
|
BUG_ON_OPT_NEG(unset);
|
|
|
|
/*
|
|
* -C enables copy from removed files;
|
|
* -C -C enables copy from existing files, but only
|
|
* when blaming a new file;
|
|
* -C -C -C enables copy from existing files for
|
|
* everybody
|
|
*/
|
|
if (*opt & PICKAXE_BLAME_COPY_HARDER)
|
|
*opt |= PICKAXE_BLAME_COPY_HARDEST;
|
|
if (*opt & PICKAXE_BLAME_COPY)
|
|
*opt |= PICKAXE_BLAME_COPY_HARDER;
|
|
*opt |= PICKAXE_BLAME_COPY | PICKAXE_BLAME_MOVE;
|
|
|
|
if (arg)
|
|
blame_copy_score = parse_score(arg);
|
|
return 0;
|
|
}
|
|
|
|
static int blame_move_callback(const struct option *option, const char *arg, int unset)
|
|
{
|
|
int *opt = option->value;
|
|
|
|
BUG_ON_OPT_NEG(unset);
|
|
|
|
*opt |= PICKAXE_BLAME_MOVE;
|
|
|
|
if (arg)
|
|
blame_move_score = parse_score(arg);
|
|
return 0;
|
|
}
|
|
|
|
static int is_a_rev(const char *name)
|
|
{
|
|
struct object_id oid;
|
|
|
|
if (repo_get_oid(the_repository, name, &oid))
|
|
return 0;
|
|
return OBJ_NONE < oid_object_info(the_repository, &oid, NULL);
|
|
}
|
|
|
|
static int peel_to_commit_oid(struct object_id *oid_ret, void *cbdata)
|
|
{
|
|
struct repository *r = ((struct blame_scoreboard *)cbdata)->repo;
|
|
struct object_id oid;
|
|
|
|
oidcpy(&oid, oid_ret);
|
|
while (1) {
|
|
struct object *obj;
|
|
int kind = oid_object_info(r, &oid, NULL);
|
|
if (kind == OBJ_COMMIT) {
|
|
oidcpy(oid_ret, &oid);
|
|
return 0;
|
|
}
|
|
if (kind != OBJ_TAG)
|
|
return -1;
|
|
obj = deref_tag(r, parse_object(r, &oid), NULL, 0);
|
|
if (!obj)
|
|
return -1;
|
|
oidcpy(&oid, &obj->oid);
|
|
}
|
|
}
|
|
|
|
static void build_ignorelist(struct blame_scoreboard *sb,
|
|
struct string_list *ignore_revs_file_list,
|
|
struct string_list *ignore_rev_list)
|
|
{
|
|
struct string_list_item *i;
|
|
struct object_id oid;
|
|
|
|
oidset_init(&sb->ignore_list, 0);
|
|
for_each_string_list_item(i, ignore_revs_file_list) {
|
|
if (!strcmp(i->string, ""))
|
|
oidset_clear(&sb->ignore_list);
|
|
else
|
|
oidset_parse_file_carefully(&sb->ignore_list, i->string,
|
|
peel_to_commit_oid, sb);
|
|
}
|
|
for_each_string_list_item(i, ignore_rev_list) {
|
|
if (repo_get_oid_committish(the_repository, i->string, &oid) ||
|
|
peel_to_commit_oid(&oid, sb))
|
|
die(_("cannot find revision %s to ignore"), i->string);
|
|
oidset_insert(&sb->ignore_list, &oid);
|
|
}
|
|
}
|
|
|
|
int cmd_blame(int argc, const char **argv, const char *prefix)
|
|
{
|
|
struct rev_info revs;
|
|
const char *path;
|
|
struct blame_scoreboard sb;
|
|
struct blame_origin *o;
|
|
struct blame_entry *ent = NULL;
|
|
long dashdash_pos, lno;
|
|
struct progress_info pi = { NULL, 0 };
|
|
|
|
struct string_list range_list = STRING_LIST_INIT_NODUP;
|
|
struct string_list ignore_rev_list = STRING_LIST_INIT_NODUP;
|
|
int output_option = 0, opt = 0;
|
|
int show_stats = 0;
|
|
const char *revs_file = NULL;
|
|
const char *contents_from = NULL;
|
|
const struct option options[] = {
|
|
OPT_BOOL(0, "incremental", &incremental, N_("show blame entries as we find them, incrementally")),
|
|
OPT_BOOL('b', NULL, &blank_boundary, N_("do not show object names of boundary commits (Default: off)")),
|
|
OPT_BOOL(0, "root", &show_root, N_("do not treat root commits as boundaries (Default: off)")),
|
|
OPT_BOOL(0, "show-stats", &show_stats, N_("show work cost statistics")),
|
|
OPT_BOOL(0, "progress", &show_progress, N_("force progress reporting")),
|
|
OPT_BIT(0, "score-debug", &output_option, N_("show output score for blame entries"), OUTPUT_SHOW_SCORE),
|
|
OPT_BIT('f', "show-name", &output_option, N_("show original filename (Default: auto)"), OUTPUT_SHOW_NAME),
|
|
OPT_BIT('n', "show-number", &output_option, N_("show original linenumber (Default: off)"), OUTPUT_SHOW_NUMBER),
|
|
OPT_BIT('p', "porcelain", &output_option, N_("show in a format designed for machine consumption"), OUTPUT_PORCELAIN),
|
|
OPT_BIT(0, "line-porcelain", &output_option, N_("show porcelain format with per-line commit information"), OUTPUT_PORCELAIN|OUTPUT_LINE_PORCELAIN),
|
|
OPT_BIT('c', NULL, &output_option, N_("use the same output mode as git-annotate (Default: off)"), OUTPUT_ANNOTATE_COMPAT),
|
|
OPT_BIT('t', NULL, &output_option, N_("show raw timestamp (Default: off)"), OUTPUT_RAW_TIMESTAMP),
|
|
OPT_BIT('l', NULL, &output_option, N_("show long commit SHA1 (Default: off)"), OUTPUT_LONG_OBJECT_NAME),
|
|
OPT_BIT('s', NULL, &output_option, N_("suppress author name and timestamp (Default: off)"), OUTPUT_NO_AUTHOR),
|
|
OPT_BIT('e', "show-email", &output_option, N_("show author email instead of name (Default: off)"), OUTPUT_SHOW_EMAIL),
|
|
OPT_BIT('w', NULL, &xdl_opts, N_("ignore whitespace differences"), XDF_IGNORE_WHITESPACE),
|
|
OPT_STRING_LIST(0, "ignore-rev", &ignore_rev_list, N_("rev"), N_("ignore <rev> when blaming")),
|
|
OPT_STRING_LIST(0, "ignore-revs-file", &ignore_revs_file_list, N_("file"), N_("ignore revisions from <file>")),
|
|
OPT_BIT(0, "color-lines", &output_option, N_("color redundant metadata from previous line differently"), OUTPUT_COLOR_LINE),
|
|
OPT_BIT(0, "color-by-age", &output_option, N_("color lines by age"), OUTPUT_SHOW_AGE_WITH_COLOR),
|
|
OPT_BIT(0, "minimal", &xdl_opts, N_("spend extra cycles to find better match"), XDF_NEED_MINIMAL),
|
|
OPT_STRING('S', NULL, &revs_file, N_("file"), N_("use revisions from <file> instead of calling git-rev-list")),
|
|
OPT_STRING(0, "contents", &contents_from, N_("file"), N_("use <file>'s contents as the final image")),
|
|
OPT_CALLBACK_F('C', NULL, &opt, N_("score"), N_("find line copies within and across files"), PARSE_OPT_OPTARG, blame_copy_callback),
|
|
OPT_CALLBACK_F('M', NULL, &opt, N_("score"), N_("find line movements within and across files"), PARSE_OPT_OPTARG, blame_move_callback),
|
|
OPT_STRING_LIST('L', NULL, &range_list, N_("range"),
|
|
N_("process only line range <start>,<end> or function :<funcname>")),
|
|
OPT__ABBREV(&abbrev),
|
|
OPT_END()
|
|
};
|
|
|
|
struct parse_opt_ctx_t ctx;
|
|
int cmd_is_annotate = !strcmp(argv[0], "annotate");
|
|
struct range_set ranges;
|
|
unsigned int range_i;
|
|
long anchor;
|
|
const int hexsz = the_hash_algo->hexsz;
|
|
long num_lines = 0;
|
|
const char *str_usage = cmd_is_annotate ? annotate_usage : blame_usage;
|
|
const char **opt_usage = cmd_is_annotate ? annotate_opt_usage : blame_opt_usage;
|
|
|
|
setup_default_color_by_age();
|
|
git_config(git_blame_config, &output_option);
|
|
repo_init_revisions(the_repository, &revs, NULL);
|
|
revs.date_mode = blame_date_mode;
|
|
revs.diffopt.flags.allow_textconv = 1;
|
|
revs.diffopt.flags.follow_renames = 1;
|
|
|
|
save_commit_buffer = 0;
|
|
dashdash_pos = 0;
|
|
show_progress = -1;
|
|
|
|
parse_options_start(&ctx, argc, argv, prefix, options,
|
|
PARSE_OPT_KEEP_DASHDASH | PARSE_OPT_KEEP_ARGV0);
|
|
for (;;) {
|
|
switch (parse_options_step(&ctx, options, opt_usage)) {
|
|
case PARSE_OPT_NON_OPTION:
|
|
case PARSE_OPT_UNKNOWN:
|
|
break;
|
|
case PARSE_OPT_HELP:
|
|
case PARSE_OPT_ERROR:
|
|
case PARSE_OPT_SUBCOMMAND:
|
|
exit(129);
|
|
case PARSE_OPT_COMPLETE:
|
|
exit(0);
|
|
case PARSE_OPT_DONE:
|
|
if (ctx.argv[0])
|
|
dashdash_pos = ctx.cpidx;
|
|
goto parse_done;
|
|
}
|
|
|
|
if (!strcmp(ctx.argv[0], "--reverse")) {
|
|
ctx.argv[0] = "--children";
|
|
reverse = 1;
|
|
}
|
|
parse_revision_opt(&revs, &ctx, options, opt_usage);
|
|
}
|
|
parse_done:
|
|
revision_opts_finish(&revs);
|
|
no_whole_file_rename = !revs.diffopt.flags.follow_renames;
|
|
xdl_opts |= revs.diffopt.xdl_opts & XDF_INDENT_HEURISTIC;
|
|
revs.diffopt.flags.follow_renames = 0;
|
|
argc = parse_options_end(&ctx);
|
|
|
|
prepare_repo_settings(the_repository);
|
|
the_repository->settings.command_requires_full_index = 0;
|
|
|
|
if (incremental || (output_option & OUTPUT_PORCELAIN)) {
|
|
if (show_progress > 0)
|
|
die(_("--progress can't be used with --incremental or porcelain formats"));
|
|
show_progress = 0;
|
|
} else if (show_progress < 0)
|
|
show_progress = isatty(2);
|
|
|
|
if (0 < abbrev && abbrev < hexsz)
|
|
/* one more abbrev length is needed for the boundary commit */
|
|
abbrev++;
|
|
else if (!abbrev)
|
|
abbrev = hexsz;
|
|
|
|
if (revs_file && read_ancestry(revs_file))
|
|
die_errno("reading graft file '%s' failed", revs_file);
|
|
|
|
if (cmd_is_annotate) {
|
|
output_option |= OUTPUT_ANNOTATE_COMPAT;
|
|
blame_date_mode.type = DATE_ISO8601;
|
|
} else {
|
|
blame_date_mode = revs.date_mode;
|
|
}
|
|
|
|
/* The maximum width used to show the dates */
|
|
switch (blame_date_mode.type) {
|
|
case DATE_RFC2822:
|
|
blame_date_width = sizeof("Thu, 19 Oct 2006 16:00:04 -0700");
|
|
break;
|
|
case DATE_ISO8601_STRICT:
|
|
blame_date_width = sizeof("2006-10-19T16:00:04-07:00");
|
|
break;
|
|
case DATE_ISO8601:
|
|
blame_date_width = sizeof("2006-10-19 16:00:04 -0700");
|
|
break;
|
|
case DATE_RAW:
|
|
blame_date_width = sizeof("1161298804 -0700");
|
|
break;
|
|
case DATE_UNIX:
|
|
blame_date_width = sizeof("1161298804");
|
|
break;
|
|
case DATE_SHORT:
|
|
blame_date_width = sizeof("2006-10-19");
|
|
break;
|
|
case DATE_RELATIVE:
|
|
/*
|
|
* TRANSLATORS: This string is used to tell us the
|
|
* maximum display width for a relative timestamp in
|
|
* "git blame" output. For C locale, "4 years, 11
|
|
* months ago", which takes 22 places, is the longest
|
|
* among various forms of relative timestamps, but
|
|
* your language may need more or fewer display
|
|
* columns.
|
|
*/
|
|
blame_date_width = utf8_strwidth(_("4 years, 11 months ago")) + 1; /* add the null */
|
|
break;
|
|
case DATE_HUMAN:
|
|
/* If the year is shown, no time is shown */
|
|
blame_date_width = sizeof("Thu Oct 19 16:00");
|
|
break;
|
|
case DATE_NORMAL:
|
|
blame_date_width = sizeof("Thu Oct 19 16:00:04 2006 -0700");
|
|
break;
|
|
case DATE_STRFTIME:
|
|
blame_date_width = strlen(show_date(0, 0, &blame_date_mode)) + 1; /* add the null */
|
|
break;
|
|
}
|
|
blame_date_width -= 1; /* strip the null */
|
|
|
|
if (revs.diffopt.flags.find_copies_harder)
|
|
opt |= (PICKAXE_BLAME_COPY | PICKAXE_BLAME_MOVE |
|
|
PICKAXE_BLAME_COPY_HARDER);
|
|
|
|
/*
|
|
* We have collected options unknown to us in argv[1..unk]
|
|
* which are to be passed to revision machinery if we are
|
|
* going to do the "bottom" processing.
|
|
*
|
|
* The remaining are:
|
|
*
|
|
* (1) if dashdash_pos != 0, it is either
|
|
* "blame [revisions] -- <path>" or
|
|
* "blame -- <path> <rev>"
|
|
*
|
|
* (2) otherwise, it is one of the two:
|
|
* "blame [revisions] <path>"
|
|
* "blame <path> <rev>"
|
|
*
|
|
* Note that we must strip out <path> from the arguments: we do not
|
|
* want the path pruning but we may want "bottom" processing.
|
|
*/
|
|
if (dashdash_pos) {
|
|
switch (argc - dashdash_pos - 1) {
|
|
case 2: /* (1b) */
|
|
if (argc != 4)
|
|
usage_with_options(opt_usage, options);
|
|
/* reorder for the new way: <rev> -- <path> */
|
|
argv[1] = argv[3];
|
|
argv[3] = argv[2];
|
|
argv[2] = "--";
|
|
/* FALLTHROUGH */
|
|
case 1: /* (1a) */
|
|
path = add_prefix(prefix, argv[--argc]);
|
|
argv[argc] = NULL;
|
|
break;
|
|
default:
|
|
usage_with_options(opt_usage, options);
|
|
}
|
|
} else {
|
|
if (argc < 2)
|
|
usage_with_options(opt_usage, options);
|
|
if (argc == 3 && is_a_rev(argv[argc - 1])) { /* (2b) */
|
|
path = add_prefix(prefix, argv[1]);
|
|
argv[1] = argv[2];
|
|
} else { /* (2a) */
|
|
if (argc == 2 && is_a_rev(argv[1]) && !get_git_work_tree())
|
|
die("missing <path> to blame");
|
|
path = add_prefix(prefix, argv[argc - 1]);
|
|
}
|
|
argv[argc - 1] = "--";
|
|
}
|
|
|
|
revs.disable_stdin = 1;
|
|
setup_revisions(argc, argv, &revs, NULL);
|
|
if (!revs.pending.nr && is_bare_repository()) {
|
|
struct commit *head_commit;
|
|
struct object_id head_oid;
|
|
|
|
if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING,
|
|
&head_oid, NULL) ||
|
|
!(head_commit = lookup_commit_reference_gently(revs.repo,
|
|
&head_oid, 1)))
|
|
die("no such ref: HEAD");
|
|
|
|
add_pending_object(&revs, &head_commit->object, "HEAD");
|
|
}
|
|
|
|
init_scoreboard(&sb);
|
|
sb.revs = &revs;
|
|
sb.contents_from = contents_from;
|
|
sb.reverse = reverse;
|
|
sb.repo = the_repository;
|
|
sb.path = path;
|
|
build_ignorelist(&sb, &ignore_revs_file_list, &ignore_rev_list);
|
|
string_list_clear(&ignore_revs_file_list, 0);
|
|
string_list_clear(&ignore_rev_list, 0);
|
|
setup_scoreboard(&sb, &o);
|
|
|
|
/*
|
|
* Changed-path Bloom filters are disabled when looking
|
|
* for copies.
|
|
*/
|
|
if (!(opt & PICKAXE_BLAME_COPY))
|
|
setup_blame_bloom_data(&sb);
|
|
|
|
lno = sb.num_lines;
|
|
|
|
if (lno && !range_list.nr)
|
|
string_list_append(&range_list, "1");
|
|
|
|
anchor = 1;
|
|
range_set_init(&ranges, range_list.nr);
|
|
for (range_i = 0; range_i < range_list.nr; ++range_i) {
|
|
long bottom, top;
|
|
if (parse_range_arg(range_list.items[range_i].string,
|
|
nth_line_cb, &sb, lno, anchor,
|
|
&bottom, &top, sb.path,
|
|
the_repository->index))
|
|
usage(str_usage);
|
|
if ((!lno && (top || bottom)) || lno < bottom)
|
|
die(Q_("file %s has only %lu line",
|
|
"file %s has only %lu lines",
|
|
lno), sb.path, lno);
|
|
if (bottom < 1)
|
|
bottom = 1;
|
|
if (top < 1 || lno < top)
|
|
top = lno;
|
|
bottom--;
|
|
range_set_append_unsafe(&ranges, bottom, top);
|
|
anchor = top + 1;
|
|
}
|
|
sort_and_merge_range_set(&ranges);
|
|
|
|
for (range_i = ranges.nr; range_i > 0; --range_i) {
|
|
const struct range *r = &ranges.ranges[range_i - 1];
|
|
ent = blame_entry_prepend(ent, r->start, r->end, o);
|
|
num_lines += (r->end - r->start);
|
|
}
|
|
if (!num_lines)
|
|
num_lines = sb.num_lines;
|
|
|
|
o->suspects = ent;
|
|
prio_queue_put(&sb.commits, o->commit);
|
|
|
|
blame_origin_decref(o);
|
|
|
|
range_set_release(&ranges);
|
|
string_list_clear(&range_list, 0);
|
|
|
|
sb.ent = NULL;
|
|
|
|
if (blame_move_score)
|
|
sb.move_score = blame_move_score;
|
|
if (blame_copy_score)
|
|
sb.copy_score = blame_copy_score;
|
|
|
|
sb.debug = DEBUG_BLAME;
|
|
sb.on_sanity_fail = &sanity_check_on_fail;
|
|
|
|
sb.show_root = show_root;
|
|
sb.xdl_opts = xdl_opts;
|
|
sb.no_whole_file_rename = no_whole_file_rename;
|
|
|
|
read_mailmap(&mailmap);
|
|
|
|
sb.found_guilty_entry = &found_guilty_entry;
|
|
sb.found_guilty_entry_data = π
|
|
if (show_progress)
|
|
pi.progress = start_delayed_progress(_("Blaming lines"), num_lines);
|
|
|
|
assign_blame(&sb, opt);
|
|
|
|
stop_progress(&pi.progress);
|
|
|
|
if (!incremental)
|
|
setup_pager();
|
|
else
|
|
goto cleanup;
|
|
|
|
blame_sort_final(&sb);
|
|
|
|
blame_coalesce(&sb);
|
|
|
|
if (!(output_option & (OUTPUT_COLOR_LINE | OUTPUT_SHOW_AGE_WITH_COLOR)))
|
|
output_option |= coloring_mode;
|
|
|
|
if (!(output_option & OUTPUT_PORCELAIN)) {
|
|
find_alignment(&sb, &output_option);
|
|
if (!*repeated_meta_color &&
|
|
(output_option & OUTPUT_COLOR_LINE))
|
|
xsnprintf(repeated_meta_color,
|
|
sizeof(repeated_meta_color),
|
|
"%s", GIT_COLOR_CYAN);
|
|
}
|
|
if (output_option & OUTPUT_ANNOTATE_COMPAT)
|
|
output_option &= ~(OUTPUT_COLOR_LINE | OUTPUT_SHOW_AGE_WITH_COLOR);
|
|
|
|
output(&sb, output_option);
|
|
free((void *)sb.final_buf);
|
|
for (ent = sb.ent; ent; ) {
|
|
struct blame_entry *e = ent->next;
|
|
free(ent);
|
|
ent = e;
|
|
}
|
|
|
|
if (show_stats) {
|
|
printf("num read blob: %d\n", sb.num_read_blob);
|
|
printf("num get patch: %d\n", sb.num_get_patch);
|
|
printf("num commits: %d\n", sb.num_commits);
|
|
}
|
|
|
|
cleanup:
|
|
cleanup_scoreboard(&sb);
|
|
release_revisions(&revs);
|
|
return 0;
|
|
}
|