23c17d8ff0
Signed-off-by: John Keeping <john@keeping.me.uk>
544 baris
14 KiB
C
544 baris
14 KiB
C
/* ui-log.c: functions for log output
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*
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* Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com>
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*
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* Licensed under GNU General Public License v2
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* (see COPYING for full license text)
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*/
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#include "cgit.h"
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#include "ui-log.h"
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#include "html.h"
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#include "ui-shared.h"
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#include "argv-array.h"
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static int files, add_lines, rem_lines, lines_counted;
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/*
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* The list of available column colors in the commit graph.
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*/
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static const char *column_colors_html[] = {
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"<span class='column1'>",
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"<span class='column2'>",
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"<span class='column3'>",
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"<span class='column4'>",
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"<span class='column5'>",
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"<span class='column6'>",
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"</span>",
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};
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#define COLUMN_COLORS_HTML_MAX (ARRAY_SIZE(column_colors_html) - 1)
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static void count_lines(char *line, int size)
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{
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if (size <= 0)
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return;
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if (line[0] == '+')
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add_lines++;
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else if (line[0] == '-')
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rem_lines++;
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}
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static void inspect_files(struct diff_filepair *pair)
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{
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unsigned long old_size = 0;
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unsigned long new_size = 0;
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int binary = 0;
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files++;
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if (ctx.repo->enable_log_linecount)
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cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size,
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&new_size, &binary, 0, ctx.qry.ignorews,
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count_lines);
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}
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void show_commit_decorations(struct commit *commit)
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{
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const struct name_decoration *deco;
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static char buf[1024];
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buf[sizeof(buf) - 1] = 0;
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deco = get_name_decoration(&commit->object);
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html("<span class='decoration'>");
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while (deco) {
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if (starts_with(deco->name, "refs/heads/")) {
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strncpy(buf, deco->name + 11, sizeof(buf) - 1);
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cgit_log_link(buf, NULL, "branch-deco", buf, NULL,
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ctx.qry.vpath, 0, NULL, NULL,
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ctx.qry.showmsg, 0);
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}
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else if (starts_with(deco->name, "tag: refs/tags/")) {
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strncpy(buf, deco->name + 15, sizeof(buf) - 1);
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cgit_tag_link(buf, NULL, "tag-deco", buf);
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}
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else if (starts_with(deco->name, "refs/tags/")) {
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strncpy(buf, deco->name + 10, sizeof(buf) - 1);
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cgit_tag_link(buf, NULL, "tag-deco", buf);
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}
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else if (starts_with(deco->name, "refs/remotes/")) {
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if (!ctx.repo->enable_remote_branches)
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goto next;
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strncpy(buf, deco->name + 13, sizeof(buf) - 1);
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cgit_log_link(buf, NULL, "remote-deco", NULL,
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sha1_to_hex(commit->object.sha1),
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ctx.qry.vpath, 0, NULL, NULL,
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ctx.qry.showmsg, 0);
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}
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else {
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strncpy(buf, deco->name, sizeof(buf) - 1);
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cgit_commit_link(buf, NULL, "deco", ctx.qry.head,
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sha1_to_hex(commit->object.sha1),
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ctx.qry.vpath);
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}
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next:
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deco = deco->next;
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}
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html("</span>");
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}
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static void handle_rename(struct diff_filepair *pair)
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{
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/*
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* After we have seen a rename, we generate links to the previous
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* name of the file so that commit & diff views get fed the path
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* that is correct for the commit they are showing, avoiding the
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* need to walk the entire history leading back to every commit we
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* show in order detect renames.
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*/
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if (0 != strcmp(ctx.qry.vpath, pair->two->path)) {
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free(ctx.qry.vpath);
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ctx.qry.vpath = xstrdup(pair->two->path);
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}
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inspect_files(pair);
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}
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static int show_commit(struct commit *commit, struct rev_info *revs)
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{
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struct commit_list *parents = commit->parents;
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struct commit *parent;
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int found = 0, saved_fmt;
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unsigned saved_flags = revs->diffopt.flags;
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/* Always show if we're not in "follow" mode with a single file. */
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if (!ctx.qry.follow)
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return 1;
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/*
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* In "follow" mode, we don't show merges. This is consistent with
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* "git log --follow -- <file>".
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*/
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if (parents && parents->next)
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return 0;
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/*
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* If this is the root commit, do what rev_info tells us.
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*/
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if (!parents)
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return revs->show_root_diff;
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/* When we get here we have precisely one parent. */
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parent = parents->item;
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parse_commit(parent);
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files = 0;
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add_lines = 0;
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rem_lines = 0;
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DIFF_OPT_SET(&revs->diffopt, RECURSIVE);
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diff_tree_sha1(parent->tree->object.sha1,
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commit->tree->object.sha1,
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"", &revs->diffopt);
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diffcore_std(&revs->diffopt);
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found = !diff_queue_is_empty();
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saved_fmt = revs->diffopt.output_format;
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revs->diffopt.output_format = DIFF_FORMAT_CALLBACK;
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revs->diffopt.format_callback = cgit_diff_tree_cb;
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revs->diffopt.format_callback_data = handle_rename;
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diff_flush(&revs->diffopt);
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revs->diffopt.output_format = saved_fmt;
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revs->diffopt.flags = saved_flags;
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lines_counted = 1;
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return found;
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}
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static void print_commit(struct commit *commit, struct rev_info *revs)
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{
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struct commitinfo *info;
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int columns = revs->graph ? 4 : 3;
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struct strbuf graphbuf = STRBUF_INIT;
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struct strbuf msgbuf = STRBUF_INIT;
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if (ctx.repo->enable_log_filecount)
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columns++;
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if (ctx.repo->enable_log_linecount)
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columns++;
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if (revs->graph) {
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/* Advance graph until current commit */
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while (!graph_next_line(revs->graph, &graphbuf)) {
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/* Print graph segment in otherwise empty table row */
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html("<tr class='nohover'><td class='commitgraph'>");
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html(graphbuf.buf);
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htmlf("</td><td colspan='%d' /></tr>\n", columns);
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strbuf_setlen(&graphbuf, 0);
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}
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/* Current commit's graph segment is now ready in graphbuf */
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}
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info = cgit_parse_commit(commit);
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htmlf("<tr%s>", ctx.qry.showmsg ? " class='logheader'" : "");
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if (revs->graph) {
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/* Print graph segment for current commit */
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html("<td class='commitgraph'>");
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html(graphbuf.buf);
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html("</td>");
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strbuf_setlen(&graphbuf, 0);
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}
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else {
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html("<td>");
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cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
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html("</td>");
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}
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htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
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if (ctx.qry.showmsg) {
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/* line-wrap long commit subjects instead of truncating them */
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size_t subject_len = strlen(info->subject);
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if (subject_len > ctx.cfg.max_msg_len &&
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ctx.cfg.max_msg_len >= 15) {
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/* symbol for signaling line-wrap (in PAGE_ENCODING) */
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const char wrap_symbol[] = { ' ', 0xE2, 0x86, 0xB5, 0 };
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int i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
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/* Rewind i to preceding space character */
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while (i > 0 && !isspace(info->subject[i]))
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--i;
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if (!i) /* Oops, zero spaces. Reset i */
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i = ctx.cfg.max_msg_len - strlen(wrap_symbol);
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/* add remainder starting at i to msgbuf */
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strbuf_add(&msgbuf, info->subject + i, subject_len - i);
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strbuf_trim(&msgbuf);
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strbuf_add(&msgbuf, "\n\n", 2);
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/* Place wrap_symbol at position i in info->subject */
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strcpy(info->subject + i, wrap_symbol);
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}
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}
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cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
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sha1_to_hex(commit->object.sha1), ctx.qry.vpath);
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show_commit_decorations(commit);
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html("</td><td>");
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cgit_open_filter(ctx.repo->email_filter, info->author_email, "log");
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html_txt(info->author);
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cgit_close_filter(ctx.repo->email_filter);
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if (revs->graph) {
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html("</td><td>");
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cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
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}
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if (!lines_counted && (ctx.repo->enable_log_filecount ||
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ctx.repo->enable_log_linecount)) {
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files = 0;
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add_lines = 0;
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rem_lines = 0;
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cgit_diff_commit(commit, inspect_files, ctx.qry.vpath);
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}
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if (ctx.repo->enable_log_filecount)
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htmlf("</td><td>%d", files);
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if (ctx.repo->enable_log_linecount)
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htmlf("</td><td>-%d/+%d", rem_lines, add_lines);
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html("</td></tr>\n");
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if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
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html("<tr class='nohover'>");
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if (ctx.qry.showmsg) {
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/* Concatenate commit message + notes in msgbuf */
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if (info->msg && *(info->msg)) {
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strbuf_addstr(&msgbuf, info->msg);
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strbuf_addch(&msgbuf, '\n');
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}
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format_display_notes(commit->object.sha1,
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&msgbuf, PAGE_ENCODING, 0);
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strbuf_addch(&msgbuf, '\n');
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strbuf_ltrim(&msgbuf);
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}
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if (revs->graph) {
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int lines = 0;
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/* Calculate graph padding */
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if (ctx.qry.showmsg) {
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/* Count #lines in commit message + notes */
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const char *p = msgbuf.buf;
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lines = 1;
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while ((p = strchr(p, '\n'))) {
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p++;
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lines++;
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}
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}
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/* Print graph padding */
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html("<td class='commitgraph'>");
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while (lines > 0 || !graph_is_commit_finished(revs->graph)) {
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if (graphbuf.len)
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html("\n");
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strbuf_setlen(&graphbuf, 0);
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graph_next_line(revs->graph, &graphbuf);
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html(graphbuf.buf);
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lines--;
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}
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html("</td>\n");
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}
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else
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html("<td/>"); /* Empty 'Age' column */
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/* Print msgbuf into remainder of table row */
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htmlf("<td colspan='%d'%s>\n", columns - (revs->graph ? 1 : 0),
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ctx.qry.showmsg ? " class='logmsg'" : "");
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html_txt(msgbuf.buf);
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html("</td></tr>\n");
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}
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strbuf_release(&msgbuf);
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strbuf_release(&graphbuf);
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cgit_free_commitinfo(info);
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}
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static const char *disambiguate_ref(const char *ref, int *must_free_result)
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{
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struct object_id oid;
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struct strbuf longref = STRBUF_INIT;
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strbuf_addf(&longref, "refs/heads/%s", ref);
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if (get_sha1(longref.buf, oid.hash) == 0) {
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*must_free_result = 1;
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return strbuf_detach(&longref, NULL);
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}
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*must_free_result = 0;
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strbuf_release(&longref);
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return ref;
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}
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static char *next_token(char **src)
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{
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char *result;
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if (!src || !*src)
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return NULL;
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while (isspace(**src))
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(*src)++;
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if (!**src)
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return NULL;
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result = *src;
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while (**src) {
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if (isspace(**src)) {
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**src = '\0';
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(*src)++;
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break;
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}
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(*src)++;
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}
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return result;
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}
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void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
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char *path, int pager, int commit_graph, int commit_sort)
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{
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struct rev_info rev;
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struct commit *commit;
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struct argv_array rev_argv = ARGV_ARRAY_INIT;
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int i, columns = commit_graph ? 4 : 3;
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int must_free_tip = 0;
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/* rev_argv.argv[0] will be ignored by setup_revisions */
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argv_array_push(&rev_argv, "log_rev_setup");
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if (!tip)
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tip = ctx.qry.head;
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tip = disambiguate_ref(tip, &must_free_tip);
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argv_array_push(&rev_argv, tip);
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if (grep && pattern && *pattern) {
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pattern = xstrdup(pattern);
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if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
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!strcmp(grep, "committer")) {
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argv_array_pushf(&rev_argv, "--%s=%s", grep, pattern);
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} else if (!strcmp(grep, "range")) {
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char *arg;
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/* Split the pattern at whitespace and add each token
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* as a revision expression. Do not accept other
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* rev-list options. Also, replace the previously
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* pushed tip (it's no longer relevant).
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*/
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argv_array_pop(&rev_argv);
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while ((arg = next_token(&pattern))) {
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if (*arg == '-') {
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fprintf(stderr, "Bad range expr: %s\n",
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arg);
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break;
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}
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argv_array_push(&rev_argv, arg);
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}
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}
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}
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if (!path || !ctx.cfg.enable_follow_links) {
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/*
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* If we don't have a path, "follow" is a no-op so make sure
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* the variable is set to false to avoid needing to check
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* both this and whether we have a path everywhere.
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*/
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ctx.qry.follow = 0;
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}
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if (commit_graph && !ctx.qry.follow) {
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argv_array_push(&rev_argv, "--graph");
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argv_array_push(&rev_argv, "--color");
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graph_set_column_colors(column_colors_html,
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COLUMN_COLORS_HTML_MAX);
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}
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if (commit_sort == 1)
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argv_array_push(&rev_argv, "--date-order");
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else if (commit_sort == 2)
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argv_array_push(&rev_argv, "--topo-order");
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if (path && ctx.qry.follow)
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argv_array_push(&rev_argv, "--follow");
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argv_array_push(&rev_argv, "--");
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if (path)
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argv_array_push(&rev_argv, path);
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init_revisions(&rev, NULL);
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rev.abbrev = DEFAULT_ABBREV;
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rev.commit_format = CMIT_FMT_DEFAULT;
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rev.verbose_header = 1;
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rev.show_root_diff = 0;
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rev.ignore_missing = 1;
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rev.simplify_history = 1;
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setup_revisions(rev_argv.argc, rev_argv.argv, &rev, NULL);
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load_ref_decorations(DECORATE_FULL_REFS);
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rev.show_decorations = 1;
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rev.grep_filter.regflags |= REG_ICASE;
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rev.diffopt.detect_rename = 1;
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rev.diffopt.rename_limit = ctx.cfg.renamelimit;
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if (ctx.qry.ignorews)
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DIFF_XDL_SET(&rev.diffopt, IGNORE_WHITESPACE);
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compile_grep_patterns(&rev.grep_filter);
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prepare_revision_walk(&rev);
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if (pager) {
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cgit_print_layout_start();
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html("<table class='list nowrap'>");
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}
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html("<tr class='nohover'>");
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if (commit_graph)
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html("<th></th>");
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else
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html("<th class='left'>Age</th>");
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html("<th class='left'>Commit message");
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if (pager) {
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html(" (");
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cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
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NULL, ctx.qry.head, ctx.qry.sha1,
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ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
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ctx.qry.search, ctx.qry.showmsg ? 0 : 1,
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ctx.qry.follow);
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html(")");
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}
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html("</th><th class='left'>Author</th>");
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if (rev.graph)
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html("<th class='left'>Age</th>");
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if (ctx.repo->enable_log_filecount) {
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html("<th class='left'>Files</th>");
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columns++;
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}
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if (ctx.repo->enable_log_linecount) {
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html("<th class='left'>Lines</th>");
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columns++;
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}
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html("</tr>\n");
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if (ofs<0)
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ofs = 0;
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for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; /* nop */) {
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if (show_commit(commit, &rev))
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i++;
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free_commit_buffer(commit);
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free_commit_list(commit->parents);
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commit->parents = NULL;
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}
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for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; /* nop */) {
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/*
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* In "follow" mode, we must count the files and lines the
|
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* first time we invoke diff on a given commit, and we need
|
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* to do that to see if the commit touches the path we care
|
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* about, so we do it in show_commit. Hence we must clear
|
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* lines_counted here.
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*
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* This has the side effect of avoiding running diff twice
|
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* when we are both following renames and showing file
|
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* and/or line counts.
|
|
*/
|
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lines_counted = 0;
|
|
if (show_commit(commit, &rev)) {
|
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i++;
|
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print_commit(commit, &rev);
|
|
}
|
|
free_commit_buffer(commit);
|
|
free_commit_list(commit->parents);
|
|
commit->parents = NULL;
|
|
}
|
|
if (pager) {
|
|
html("</table><ul class='pager'>");
|
|
if (ofs > 0) {
|
|
html("<li>");
|
|
cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
|
|
ctx.qry.sha1, ctx.qry.vpath,
|
|
ofs - cnt, ctx.qry.grep,
|
|
ctx.qry.search, ctx.qry.showmsg,
|
|
ctx.qry.follow);
|
|
html("</li>");
|
|
}
|
|
if ((commit = get_revision(&rev)) != NULL) {
|
|
html("<li>");
|
|
cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
|
|
ctx.qry.sha1, ctx.qry.vpath,
|
|
ofs + cnt, ctx.qry.grep,
|
|
ctx.qry.search, ctx.qry.showmsg,
|
|
ctx.qry.follow);
|
|
html("</li>");
|
|
}
|
|
html("</ul>");
|
|
cgit_print_layout_end();
|
|
} else if ((commit = get_revision(&rev)) != NULL) {
|
|
htmlf("<tr class='nohover'><td colspan='%d'>", columns);
|
|
cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
|
|
ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg,
|
|
ctx.qry.follow);
|
|
html("</td></tr>\n");
|
|
}
|
|
|
|
/* If we allocated tip then it is safe to cast away const. */
|
|
if (must_free_tip)
|
|
free((char*) tip);
|
|
}
|