Add graphical diffstat to commit view
The diffstat is calculated against the leftmost parent of the commit. This gives nice information for "normal" merges while octopus merges are less than optimal, so the diffstat isn't calculated for those merges. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
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Lars Hjemli
父节点
c6cf3a424a
当前提交
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1
Makefile
1
Makefile
@ -55,6 +55,7 @@ install: all clean-cache
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mkdir -p $(prefix)
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install cgit $(prefix)/cgit.cgi
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install cgit.css $(prefix)/cgit.css
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install add.png del.png $(prefix)/
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clean-cgit:
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rm -f cgit *.o
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30
cgit.css
30
cgit.css
@ -26,6 +26,13 @@ h3 {
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font-weight: normal;
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}
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h4 {
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margin-top: 1.5em;
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margin-bottom: 0.1em;
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font-size: 100%;
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font-weight: bold;
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}
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a {
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color: blue;
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text-decoration: none;
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@ -227,6 +234,12 @@ div.commit-msg {
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table.diffstat {
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border-collapse: collapse;
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margin-top: 1.5em;
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width: 100%;
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border: solid 1px #aaa;
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}
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table.diffstat tr:hover {
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background-color: #eee;
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}
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table.diffstat th {
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@ -238,8 +251,11 @@ table.diffstat th {
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}
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table.diffstat td {
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padding: 0.1em 1em 0.1em 0.1em;
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padding: 0.2em 0.2em 0.1em 0.1em;
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font-size: 100%;
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border: none;
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border-top: solid 1px #aaa;
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border-bottom: solid 1px #aaa;
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}
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table.diffstat td span.modechange {
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@ -259,7 +275,17 @@ table.diffstat td.upd a {
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color: blue;
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}
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table.diffstat td.summary {
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table.diffstat td.graph {
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width: 75%;
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vertical-align: center;
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}
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table.diffstat td.graph img {
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border: none;
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height: 11pt;
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}
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div.diffstat-summary {
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color: #888;
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padding-top: 0.5em;
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}
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136
ui-commit.c
136
ui-commit.c
@ -8,14 +8,30 @@
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#include "cgit.h"
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int files = 0;
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int files = 0, slots = 0;
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int total_adds = 0, total_rems = 0, max_changes = 0;
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int lines_added, lines_removed;
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void print_filepair(struct diff_filepair *pair)
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struct fileinfo {
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char status;
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unsigned char old_sha1[20];
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unsigned char new_sha1[20];
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unsigned short old_mode;
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unsigned short new_mode;
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char *old_path;
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char *new_path;
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unsigned int added;
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unsigned int removed;
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} *items;
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void print_fileinfo(struct fileinfo *info)
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{
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char *query;
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char *query, *query2;
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char *class;
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double width;
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switch (pair->status) {
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switch (info->status) {
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case DIFF_STATUS_ADDED:
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class = "add";
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break;
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@ -41,51 +57,98 @@ void print_filepair(struct diff_filepair *pair)
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class = "stg";
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break;
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default:
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die("bug: unhandled diff status %c", pair->status);
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die("bug: unhandled diff status %c", info->status);
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}
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html("<tr>");
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htmlf("<td class='mode'>");
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if (is_null_sha1(pair->two->sha1)) {
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html_filemode(pair->one->mode);
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if (is_null_sha1(info->new_sha1)) {
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html_filemode(info->old_mode);
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} else {
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html_filemode(pair->two->mode);
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html_filemode(info->new_mode);
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}
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if (pair->one->mode != pair->two->mode &&
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!is_null_sha1(pair->one->sha1) &&
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!is_null_sha1(pair->two->sha1)) {
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if (info->old_mode != info->new_mode &&
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!is_null_sha1(info->old_sha1) &&
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!is_null_sha1(info->new_sha1)) {
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html("<span class='modechange'>[");
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html_filemode(pair->one->mode);
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html_filemode(info->old_mode);
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html("]</span>");
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}
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htmlf("</td><td class='%s'>", class);
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query = fmt("id=%s&id2=%s", sha1_to_hex(pair->one->sha1),
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sha1_to_hex(pair->two->sha1));
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query = fmt("id=%s&id2=%s", sha1_to_hex(info->old_sha1),
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sha1_to_hex(info->new_sha1));
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html_link_open(cgit_pageurl(cgit_query_repo, "diff", query),
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NULL, NULL);
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if (pair->status == DIFF_STATUS_COPIED ||
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pair->status == DIFF_STATUS_RENAMED) {
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html_txt(pair->two->path);
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htmlf("</a> (%s from ", pair->status == DIFF_STATUS_COPIED ?
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if (info->status == DIFF_STATUS_COPIED ||
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info->status == DIFF_STATUS_RENAMED) {
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html_txt(info->new_path);
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htmlf("</a> (%s from ", info->status == DIFF_STATUS_COPIED ?
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"copied" : "renamed");
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query = fmt("id=%s", sha1_to_hex(pair->one->sha1));
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html_link_open(cgit_pageurl(cgit_query_repo, "view", query),
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query2 = fmt("id=%s", sha1_to_hex(info->old_sha1));
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html_link_open(cgit_pageurl(cgit_query_repo, "view", query2),
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NULL, NULL);
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html_txt(pair->one->path);
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html_txt(info->old_path);
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html("</a>)");
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} else {
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html_txt(pair->two->path);
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html_txt(info->new_path);
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html("</a>");
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}
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html("<td>");
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html("</td><td class='right'>");
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htmlf("%d", info->added + info->removed);
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//TODO: diffstat graph
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html("</td></tr>\n");
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files++;
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html("</td><td class='graph'>");
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width = (info->added + info->removed) * 100.0 / max_changes;
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if (width < 0.1)
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width = 0.1;
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html_link_open(cgit_pageurl(cgit_query_repo, "diff", query),
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NULL, NULL);
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htmlf("<img src='/cgit/add.png' style='width: %.1f%%;'/>",
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info->added * width / (info->added + info->removed));
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htmlf("<img src='/cgit/del.png' style='width: %.1f%%;'/>",
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info->removed * width / (info->added + info->removed));
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html("</a></td></tr>\n");
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}
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void cgit_count_diff_lines(char *line, int len)
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{
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if (line && (len > 0)) {
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if (line[0] == '+')
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lines_added++;
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else if (line[0] == '-')
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lines_removed++;
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}
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}
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void inspect_filepair(struct diff_filepair *pair)
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{
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files++;
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lines_added = 0;
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lines_removed = 0;
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cgit_diff_files(pair->one->sha1, pair->two->sha1, cgit_count_diff_lines);
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if (files >= slots) {
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if (slots == 0)
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slots = 4;
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else
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slots = slots * 2;
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items = xrealloc(items, slots * sizeof(struct fileinfo));
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}
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items[files-1].status = pair->status;
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hashcpy(items[files-1].old_sha1, pair->one->sha1);
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hashcpy(items[files-1].new_sha1, pair->two->sha1);
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items[files-1].old_mode = pair->one->mode;
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items[files-1].new_mode = pair->two->mode;
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items[files-1].old_path = xstrdup(pair->one->path);
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items[files-1].new_path = xstrdup(pair->two->path);
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items[files-1].added = lines_added;
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items[files-1].removed = lines_removed;
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if (lines_added + lines_removed > max_changes)
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max_changes = lines_added + lines_removed;
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total_adds += lines_added;
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total_rems += lines_removed;
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}
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void cgit_print_commit(const char *hex)
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{
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struct commit *commit;
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@ -94,6 +157,7 @@ void cgit_print_commit(const char *hex)
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unsigned char sha1[20];
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char *query;
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char *filename;
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int i;
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if (get_sha1(hex, sha1)) {
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cgit_print_error(fmt("Bad object id: %s", hex));
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@ -148,11 +212,17 @@ void cgit_print_commit(const char *hex)
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html("<div class='commit-msg'>");
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html_txt(info->msg);
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html("</div>");
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html("<table class='diffstat'>");
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html("<tr><th colspan='3'>Affected files</tr>\n");
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cgit_diff_commit(commit, print_filepair);
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htmlf("<tr><td colspan='3' class='summary'>"
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"%d file%s changed</td></tr>\n", files, files > 1 ? "s" : "");
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html("</table>");
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if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
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html("<table class='diffstat'>");
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max_changes = 0;
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cgit_diff_commit(commit, inspect_filepair);
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for(i = 0; i<files; i++)
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print_fileinfo(&items[i]);
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html("</table>");
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html("<div class='diffstat-summary'>");
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htmlf("%d files changed, %d insertions, %d deletions\n",
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files, total_adds, total_rems);
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html("</div>");
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}
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cgit_free_commitinfo(info);
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}
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