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09d24d7cd0
Update to git version v2.46.0, this requires changes for these upstream commits: * e7da9385708accf518a80a1e17969020fb361048 global: introduce `USE_THE_REPOSITORY_VARIABLE` macro * 9da95bda74cf10e1475384a71fd20914c3b99784 hash: require hash algorithm in `oidread()` and `oidclr()` * 30aaff437fddd889ba429b50b96ea4c151c502c5 refs: pass repo when peeling objects * c8f815c2083c4b340d4148a15d45c55f2fcc7d3f refs: remove functions without ref store Signed-off-by: Christian Hesse <mail@eworm.de>
318 lines
7.9 KiB
C
318 lines
7.9 KiB
C
/* ui-blame.c: functions for blame output
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*
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* Copyright (C) 2006-2017 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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#define USE_THE_REPOSITORY_VARIABLE
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#include "cgit.h"
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#include "ui-blame.h"
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#include "html.h"
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#include "ui-shared.h"
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#include "strvec.h"
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#include "blame.h"
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static char *emit_suspect_detail(struct blame_origin *suspect)
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{
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struct commitinfo *info;
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struct strbuf detail = STRBUF_INIT;
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info = cgit_parse_commit(suspect->commit);
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strbuf_addf(&detail, "author %s", info->author);
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if (!ctx.cfg.noplainemail)
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strbuf_addf(&detail, " %s", info->author_email);
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strbuf_addf(&detail, " %s\n",
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show_date(info->author_date, info->author_tz,
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cgit_date_mode(DATE_ISO8601)));
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strbuf_addf(&detail, "committer %s", info->committer);
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if (!ctx.cfg.noplainemail)
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strbuf_addf(&detail, " %s", info->committer_email);
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strbuf_addf(&detail, " %s\n\n",
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show_date(info->committer_date, info->committer_tz,
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cgit_date_mode(DATE_ISO8601)));
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strbuf_addstr(&detail, info->subject);
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cgit_free_commitinfo(info);
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return strbuf_detach(&detail, NULL);
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}
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static void emit_blame_entry_hash(struct blame_entry *ent)
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{
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struct blame_origin *suspect = ent->suspect;
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struct object_id *oid = &suspect->commit->object.oid;
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unsigned long line = 0;
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char *detail = emit_suspect_detail(suspect);
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html("<span class='oid'>");
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cgit_commit_link(repo_find_unique_abbrev(the_repository, oid, DEFAULT_ABBREV), detail,
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NULL, ctx.qry.head, oid_to_hex(oid), suspect->path);
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html("</span>");
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free(detail);
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if (!repo_parse_commit(the_repository, suspect->commit) && suspect->commit->parents) {
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struct commit *parent = suspect->commit->parents->item;
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html(" ");
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cgit_blame_link("^", "Blame the previous revision", NULL,
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ctx.qry.head, oid_to_hex(&parent->object.oid),
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suspect->path);
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}
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while (line++ < ent->num_lines)
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html("\n");
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}
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static void emit_blame_entry_linenumber(struct blame_entry *ent)
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{
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const char *numberfmt = "<a id='n%1$d' href='#n%1$d'>%1$d</a>\n";
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unsigned long lineno = ent->lno;
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while (lineno < ent->lno + ent->num_lines)
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htmlf(numberfmt, ++lineno);
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}
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static void emit_blame_entry_line_background(struct blame_scoreboard *sb,
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struct blame_entry *ent)
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{
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unsigned long line;
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size_t len, maxlen = 2;
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const char* pos, *endpos;
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for (line = ent->lno; line < ent->lno + ent->num_lines; line++) {
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html("\n");
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pos = blame_nth_line(sb, line);
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endpos = blame_nth_line(sb, line + 1);
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len = 0;
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while (pos < endpos) {
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len++;
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if (*pos++ == '\t')
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len = (len + 7) & ~7;
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}
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if (len > maxlen)
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maxlen = len;
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}
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for (len = 0; len < maxlen - 1; len++)
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html(" ");
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}
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struct walk_tree_context {
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char *curr_rev;
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int match_baselen;
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int state;
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};
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static void print_object(const struct object_id *oid, const char *path,
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const char *basename, const char *rev)
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{
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enum object_type type;
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char *buf;
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unsigned long size;
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struct strvec rev_argv = STRVEC_INIT;
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struct rev_info revs;
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struct blame_scoreboard sb;
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struct blame_origin *o;
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struct blame_entry *ent = NULL;
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type = oid_object_info(the_repository, oid, &size);
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if (type == OBJ_BAD) {
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cgit_print_error_page(404, "Not found", "Bad object name: %s",
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oid_to_hex(oid));
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return;
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}
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buf = repo_read_object_file(the_repository, oid, &type, &size);
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if (!buf) {
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cgit_print_error_page(500, "Internal server error",
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"Error reading object %s", oid_to_hex(oid));
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return;
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}
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strvec_push(&rev_argv, "blame");
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strvec_push(&rev_argv, rev);
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repo_init_revisions(the_repository, &revs, NULL);
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revs.diffopt.flags.allow_textconv = 1;
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setup_revisions(rev_argv.nr, rev_argv.v, &revs, NULL);
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init_scoreboard(&sb);
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sb.revs = &revs;
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sb.repo = the_repository;
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sb.path = path;
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setup_scoreboard(&sb, &o);
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o->suspects = blame_entry_prepend(NULL, 0, sb.num_lines, o);
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prio_queue_put(&sb.commits, o->commit);
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blame_origin_decref(o);
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sb.ent = NULL;
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sb.path = path;
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assign_blame(&sb, 0);
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blame_sort_final(&sb);
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blame_coalesce(&sb);
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cgit_set_title_from_path(path);
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cgit_print_layout_start();
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htmlf("blob: %s (", oid_to_hex(oid));
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cgit_plain_link("plain", NULL, NULL, ctx.qry.head, rev, path);
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html(") (");
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cgit_tree_link("tree", NULL, NULL, ctx.qry.head, rev, path);
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html(")\n");
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if (buffer_is_binary(buf, size)) {
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html("<div class='error'>blob is binary.</div>");
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goto cleanup;
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}
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if (ctx.cfg.max_blob_size && size / 1024 > ctx.cfg.max_blob_size) {
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htmlf("<div class='error'>blob size (%ldKB)"
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" exceeds display size limit (%dKB).</div>",
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size / 1024, ctx.cfg.max_blob_size);
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goto cleanup;
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}
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html("<table class='blame blob'>\n<tr>\n");
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/* Commit hashes */
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html("<td class='hashes'>");
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for (ent = sb.ent; ent; ent = ent->next) {
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html("<div class='alt'><pre>");
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emit_blame_entry_hash(ent);
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html("</pre></div>");
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}
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html("</td>\n");
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/* Line numbers */
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if (ctx.cfg.enable_tree_linenumbers) {
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html("<td class='linenumbers'>");
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for (ent = sb.ent; ent; ent = ent->next) {
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html("<div class='alt'><pre>");
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emit_blame_entry_linenumber(ent);
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html("</pre></div>");
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}
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html("</td>\n");
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}
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html("<td class='lines'><div>");
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/* Colored bars behind lines */
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html("<div>");
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for (ent = sb.ent; ent; ) {
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struct blame_entry *e = ent->next;
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html("<div class='alt'><pre>");
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emit_blame_entry_line_background(&sb, ent);
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html("</pre></div>");
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free(ent);
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ent = e;
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}
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html("</div>");
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free((void *)sb.final_buf);
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/* Lines */
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html("<pre><code>");
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if (ctx.repo->source_filter) {
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char *filter_arg = xstrdup(basename);
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cgit_open_filter(ctx.repo->source_filter, filter_arg);
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html_raw(buf, size);
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cgit_close_filter(ctx.repo->source_filter);
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free(filter_arg);
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} else {
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html_txt(buf);
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}
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html("</code></pre>");
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html("</div></td>\n");
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html("</tr>\n</table>\n");
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cgit_print_layout_end();
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cleanup:
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free(buf);
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}
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static int walk_tree(const struct object_id *oid, struct strbuf *base,
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const char *pathname, unsigned mode, void *cbdata)
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{
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struct walk_tree_context *walk_tree_ctx = cbdata;
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if (base->len == walk_tree_ctx->match_baselen) {
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if (S_ISREG(mode)) {
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struct strbuf buffer = STRBUF_INIT;
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strbuf_addbuf(&buffer, base);
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strbuf_addstr(&buffer, pathname);
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print_object(oid, buffer.buf, pathname,
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walk_tree_ctx->curr_rev);
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strbuf_release(&buffer);
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walk_tree_ctx->state = 1;
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} else if (S_ISDIR(mode)) {
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walk_tree_ctx->state = 2;
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}
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} else if (base->len < INT_MAX
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&& (int)base->len > walk_tree_ctx->match_baselen) {
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walk_tree_ctx->state = 2;
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} else if (S_ISDIR(mode)) {
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return READ_TREE_RECURSIVE;
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}
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return 0;
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}
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static int basedir_len(const char *path)
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{
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char *p = strrchr(path, '/');
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if (p)
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return p - path + 1;
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return 0;
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}
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void cgit_print_blame(void)
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{
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const char *rev = ctx.qry.oid;
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struct object_id oid;
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struct commit *commit;
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struct pathspec_item path_items = {
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.match = ctx.qry.path,
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.len = ctx.qry.path ? strlen(ctx.qry.path) : 0
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};
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struct pathspec paths = {
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.nr = 1,
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.items = &path_items
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};
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struct walk_tree_context walk_tree_ctx = {
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.state = 0
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};
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if (!rev)
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rev = ctx.qry.head;
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if (repo_get_oid(the_repository, rev, &oid)) {
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cgit_print_error_page(404, "Not found",
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"Invalid revision name: %s", rev);
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return;
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}
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commit = lookup_commit_reference(the_repository, &oid);
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if (!commit || repo_parse_commit(the_repository, commit)) {
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cgit_print_error_page(404, "Not found",
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"Invalid commit reference: %s", rev);
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return;
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}
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walk_tree_ctx.curr_rev = xstrdup(rev);
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walk_tree_ctx.match_baselen = (path_items.match) ?
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basedir_len(path_items.match) : -1;
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read_tree(the_repository, repo_get_commit_tree(the_repository, commit),
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&paths, walk_tree, &walk_tree_ctx);
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if (!walk_tree_ctx.state)
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cgit_print_error_page(404, "Not found", "Not found");
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else if (walk_tree_ctx.state == 2)
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cgit_print_error_page(404, "No blame for folders",
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"Blame is not available for folders.");
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free(walk_tree_ctx.curr_rev);
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}
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