ui-log: Implement support for commit graphs
Teach CGit to print an ASCII art commit graph to the left of the commit message, similar to 'git log --graph'. The graph adds extra lines (table rows) to the log when needed to add/remove/shuffle edges in the graph. When 'showmsg' is enabled, the graph is automatically padded to account for the extra lines added by the commit message/notes. This feature is controlled by a new config variable: "enable-commit-graph" (disabled by default), and individual repos can control it by setting "repo.enable-commit-graph". Signed-off-by: Johan Herland <johan@herland.net> Signed-off-by: Lars Hjemli <hjemli@gmail.com>
This commit is contained in:
Johan Herland
Lars Hjemli
szülő
5a36c2a291
commit
9a8d39c668
6
cgit.c
6
cgit.c
@ -57,6 +57,8 @@ void repo_config(struct cgit_repo *repo, const char *name, const char *value)
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repo->defbranch = xstrdup(value);
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else if (!strcmp(name, "snapshots"))
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repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value);
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else if (!strcmp(name, "enable-commit-graph"))
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repo->enable_commit_graph = ctx.cfg.enable_commit_graph * atoi(value);
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else if (!strcmp(name, "enable-log-filecount"))
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repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value);
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else if (!strcmp(name, "enable-log-linecount"))
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@ -141,6 +143,8 @@ void config_cb(const char *name, const char *value)
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ctx.cfg.enable_gitweb_owner = atoi(value);
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else if (!strcmp(name, "enable-index-links"))
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ctx.cfg.enable_index_links = atoi(value);
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else if (!strcmp(name, "enable-commit-graph"))
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ctx.cfg.enable_commit_graph = atoi(value);
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else if (!strcmp(name, "enable-log-filecount"))
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ctx.cfg.enable_log_filecount = atoi(value);
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else if (!strcmp(name, "enable-log-linecount"))
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@ -540,6 +544,8 @@ void print_repo(FILE *f, struct cgit_repo *repo)
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fprintf(f, "repo.section=%s\n", repo->section);
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if (repo->clone_url)
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fprintf(f, "repo.clone-url=%s\n", repo->clone_url);
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fprintf(f, "repo.enable-commit-graph=%d\n",
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repo->enable_commit_graph);
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fprintf(f, "repo.enable-log-filecount=%d\n",
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repo->enable_log_filecount);
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fprintf(f, "repo.enable-log-linecount=%d\n",
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7
cgit.css
7
cgit.css
@ -153,6 +153,11 @@ table.list td {
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padding: 0.1em 0.5em 0.1em 0.5em;
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}
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table.list td.commitgraph {
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font-family: monospace;
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white-space: pre;
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}
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table.list td.logsubject {
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font-family: monospace;
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font-weight: bold;
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@ -731,4 +736,4 @@ table.ssdiff td.space {
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table.ssdiff td.space div {
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min-height: 3em;
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}
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}
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3
cgit.h
3
cgit.h
@ -20,6 +20,7 @@
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#include <xdiff/xdiff.h>
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#include <utf8.h>
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#include <notes.h>
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#include <graph.h>
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/*
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@ -71,6 +72,7 @@ struct cgit_repo {
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char *section;
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char *clone_url;
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int snapshots;
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int enable_commit_graph;
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int enable_log_filecount;
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int enable_log_linecount;
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int enable_remote_branches;
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@ -188,6 +190,7 @@ struct cgit_config {
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int enable_filter_overrides;
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int enable_gitweb_owner;
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int enable_index_links;
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int enable_commit_graph;
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int enable_log_filecount;
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int enable_log_linecount;
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int enable_remote_branches;
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15
cgitrc.5.txt
15
cgitrc.5.txt
@ -90,7 +90,12 @@ embedded::
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Flag which, when set to "1", will make cgit generate a html fragment
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suitable for embedding in other html pages. Default value: none. See
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also: "noheader".
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enable-commit-graph::
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Flag which, when set to "1", will make cgit print an ASCII-art commit
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history graph to the left of the commit messages in the repository
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log page. Default value: "0".
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enable-filter-overrides::
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Flag which, when set to "1", allows all filter settings to be
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overridden in repository-specific cgitrc files. Default value: none.
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@ -354,6 +359,10 @@ repo.defbranch::
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repo.desc::
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The value to show as repository description. Default value: none.
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repo.enable-commit-graph::
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A flag which can be used to disable the global setting
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`enable-commit-graph'. Default value: none.
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repo.enable-log-filecount::
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A flag which can be used to disable the global setting
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`enable-log-filecount'. Default value: none.
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@ -441,6 +450,10 @@ css=/css/cgit.css
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enable-index-links=1
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# Enable ASCII art commit history graph on the log pages
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enable-commit-graph=1
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# Show number of affected files per commit on the log pages
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enable-log-filecount=1
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1
shared.c
1
shared.c
@ -56,6 +56,7 @@ struct cgit_repo *cgit_add_repo(const char *url)
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ret->section = ctx.cfg.section;
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ret->defbranch = "master";
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ret->snapshots = ctx.cfg.snapshots;
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ret->enable_commit_graph = ctx.cfg.enable_commit_graph;
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ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
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ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
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ret->enable_remote_branches = ctx.cfg.enable_remote_branches;
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107
ui-log.c
107
ui-log.c
@ -77,11 +77,30 @@ void show_commit_decorations(struct commit *commit)
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}
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}
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void print_commit(struct commit *commit)
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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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char *tmp;
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int cols = 2;
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struct strbuf graphbuf = STRBUF_INIT;
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if (ctx.repo->enable_log_filecount) {
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cols++;
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if (ctx.repo->enable_log_linecount)
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cols++;
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}
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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/><td class='commitgraph'>");
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html(graphbuf.buf);
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htmlf("</td><td colspan='%d' /></tr>\n", cols);
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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><td>",
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@ -91,8 +110,17 @@ void print_commit(struct commit *commit)
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html_link_open(tmp, NULL, NULL);
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cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
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html_link_close();
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htmlf("</td><td%s>",
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ctx.qry.showmsg ? " class='logsubject'" : "");
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html("</td>");
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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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htmlf("<td%s>", ctx.qry.showmsg ? " class='logsubject'" : "");
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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, 0);
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show_commit_decorations(commit);
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@ -112,32 +140,59 @@ void print_commit(struct commit *commit)
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}
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html("</td></tr>\n");
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if (ctx.qry.showmsg) { /* Print message + notes in a second table row */
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/* Concatenate commit message and notes in msgbuf */
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if (revs->graph || ctx.qry.showmsg) { /* Print a second table row */
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struct strbuf msgbuf = STRBUF_INIT;
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if (info->msg && *(info->msg)) {
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strbuf_addstr(&msgbuf, info->msg);
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html("<tr class='nohover'><td/>"); /* Empty 'Age' column */
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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_note(NULL, commit->object.sha1, &msgbuf,
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PAGE_ENCODING,
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NOTES_SHOW_HEADER | NOTES_INDENT);
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strbuf_addch(&msgbuf, '\n');
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}
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format_note(NULL, commit->object.sha1, &msgbuf, PAGE_ENCODING,
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NOTES_SHOW_HEADER | NOTES_INDENT);
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strbuf_addch(&msgbuf, '\n');
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strbuf_ltrim(&msgbuf);
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if (ctx.repo->enable_log_filecount) {
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cols++;
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if (ctx.repo->enable_log_linecount)
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cols++;
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strbuf_ltrim(&msgbuf);
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}
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/* Create second table row containing msgbuf */
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htmlf("<tr class='nohover'><td/><td colspan='%d' class='logmsg'>",
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cols);
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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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/* Print msgbuf into remainder of table row */
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htmlf("<td colspan='%d'%s>\n", cols,
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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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strbuf_release(&msgbuf);
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}
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strbuf_release(&graphbuf);
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cgit_free_commitinfo(info);
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}
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@ -216,6 +271,10 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
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}
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}
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}
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if (ctx.repo->enable_commit_graph) {
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static const char *graph_arg = "--graph";
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vector_push(&vec, &graph_arg, 0);
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}
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if (path) {
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arg = "--";
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@ -242,8 +301,10 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
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if (pager)
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html("<table class='list nowrap'>");
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html("<tr class='nohover'><th class='left'>Age</th>"
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"<th class='left'>Commit message");
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html("<tr class='nohover'><th class='left'>Age</th>");
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if (ctx.repo->enable_commit_graph)
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html("<th></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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@ -274,7 +335,7 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
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}
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for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
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print_commit(commit);
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print_commit(commit, &rev);
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free(commit->buffer);
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commit->buffer = NULL;
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free_commit_list(commit->parents);
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