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