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authorLars Hjemli <hjemli@gmail.com>2007-05-13 22:25:14 +0200
committerLars Hjemli <hjemli@gmail.com>2007-05-13 22:31:11 +0200
commit8a3685bcf2612206fc24a2421acb53dd83aeab85 (patch)
tree4628d87e55e87ead2e097cdacf8b4160cd0fc118 /ui-commit.c
parentAdd max-commit-count parameter to cgitrc (diff)
downloadcgit-8a3685bcf2612206fc24a2421acb53dd83aeab85.tar.xz
cgit-8a3685bcf2612206fc24a2421acb53dd83aeab85.zip
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>
Diffstat (limited to '')
-rw-r--r--ui-commit.c132
1 files changed, 101 insertions, 31 deletions
diff --git a/ui-commit.c b/ui-commit.c
index f1a22d3..ce33cf9 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -8,14 +8,30 @@
#include "cgit.h"
-int files = 0;
+int files = 0, slots = 0;
+int total_adds = 0, total_rems = 0, max_changes = 0;
+int lines_added, lines_removed;
-void print_filepair(struct diff_filepair *pair)
+struct fileinfo {
+ char status;
+ unsigned char old_sha1[20];
+ unsigned char new_sha1[20];
+ unsigned short old_mode;
+ unsigned short new_mode;
+ char *old_path;
+ char *new_path;
+ unsigned int added;
+ unsigned int removed;
+} *items;
+
+
+void print_fileinfo(struct fileinfo *info)
{
- char *query;
+ char *query, *query2;
char *class;
+ double width;
- switch (pair->status) {
+ switch (info->status) {
case DIFF_STATUS_ADDED:
class = "add";
break;
@@ -41,51 +57,98 @@ void print_filepair(struct diff_filepair *pair)
class = "stg";
break;
default:
- die("bug: unhandled diff status %c", pair->status);
+ die("bug: unhandled diff status %c", info->status);
}
html("<tr>");
htmlf("<td class='mode'>");
- if (is_null_sha1(pair->two->sha1)) {
- html_filemode(pair->one->mode);
+ if (is_null_sha1(info->new_sha1)) {
+ html_filemode(info->old_mode);
} else {
- html_filemode(pair->two->mode);
+ html_filemode(info->new_mode);
}
- if (pair->one->mode != pair->two->mode &&
- !is_null_sha1(pair->one->sha1) &&
- !is_null_sha1(pair->two->sha1)) {
+ if (info->old_mode != info->new_mode &&
+ !is_null_sha1(info->old_sha1) &&
+ !is_null_sha1(info->new_sha1)) {
html("<span class='modechange'>[");
- html_filemode(pair->one->mode);
+ html_filemode(info->old_mode);
html("]</span>");
}
htmlf("</td><td class='%s'>", class);
- query = fmt("id=%s&id2=%s", sha1_to_hex(pair->one->sha1),
- sha1_to_hex(pair->two->sha1));
+ query = fmt("id=%s&id2=%s", sha1_to_hex(info->old_sha1),
+ sha1_to_hex(info->new_sha1));
html_link_open(cgit_pageurl(cgit_query_repo, "diff", query),
NULL, NULL);
- if (pair->status == DIFF_STATUS_COPIED ||
- pair->status == DIFF_STATUS_RENAMED) {
- html_txt(pair->two->path);
- htmlf("</a> (%s from ", pair->status == DIFF_STATUS_COPIED ?
+ if (info->status == DIFF_STATUS_COPIED ||
+ info->status == DIFF_STATUS_RENAMED) {
+ html_txt(info->new_path);
+ htmlf("</a> (%s from ", info->status == DIFF_STATUS_COPIED ?
"copied" : "renamed");
- query = fmt("id=%s", sha1_to_hex(pair->one->sha1));
- html_link_open(cgit_pageurl(cgit_query_repo, "view", query),
+ query2 = fmt("id=%s", sha1_to_hex(info->old_sha1));
+ html_link_open(cgit_pageurl(cgit_query_repo, "view", query2),
NULL, NULL);
- html_txt(pair->one->path);
+ html_txt(info->old_path);
html("</a>)");
} else {
- html_txt(pair->two->path);
+ html_txt(info->new_path);
html("</a>");
}
- html("<td>");
+ html("</td><td class='right'>");
+ htmlf("%d", info->added + info->removed);
- //TODO: diffstat graph
+ html("</td><td class='graph'>");
+ width = (info->added + info->removed) * 100.0 / max_changes;
+ if (width < 0.1)
+ width = 0.1;
+ html_link_open(cgit_pageurl(cgit_query_repo, "diff", query),
+ NULL, NULL);
+ htmlf("<img src='/cgit/add.png' style='width: %.1f%%;'/>",
+ info->added * width / (info->added + info->removed));
+ htmlf("<img src='/cgit/del.png' style='width: %.1f%%;'/>",
+ info->removed * width / (info->added + info->removed));
+ html("</a></td></tr>\n");
+}
- html("</td></tr>\n");
+void cgit_count_diff_lines(char *line, int len)
+{
+ if (line && (len > 0)) {
+ if (line[0] == '+')
+ lines_added++;
+ else if (line[0] == '-')
+ lines_removed++;
+ }
+}
+
+void inspect_filepair(struct diff_filepair *pair)
+{
files++;
+ lines_added = 0;
+ lines_removed = 0;
+ cgit_diff_files(pair->one->sha1, pair->two->sha1, cgit_count_diff_lines);
+ if (files >= slots) {
+ if (slots == 0)
+ slots = 4;
+ else
+ slots = slots * 2;
+ items = xrealloc(items, slots * sizeof(struct fileinfo));
+ }
+ items[files-1].status = pair->status;
+ hashcpy(items[files-1].old_sha1, pair->one->sha1);
+ hashcpy(items[files-1].new_sha1, pair->two->sha1);
+ items[files-1].old_mode = pair->one->mode;
+ items[files-1].new_mode = pair->two->mode;
+ items[files-1].old_path = xstrdup(pair->one->path);
+ items[files-1].new_path = xstrdup(pair->two->path);
+ items[files-1].added = lines_added;
+ items[files-1].removed = lines_removed;
+ if (lines_added + lines_removed > max_changes)
+ max_changes = lines_added + lines_removed;
+ total_adds += lines_added;
+ total_rems += lines_removed;
}
+
void cgit_print_commit(const char *hex)
{
struct commit *commit;
@@ -94,6 +157,7 @@ void cgit_print_commit(const char *hex)
unsigned char sha1[20];
char *query;
char *filename;
+ int i;
if (get_sha1(hex, sha1)) {
cgit_print_error(fmt("Bad object id: %s", hex));
@@ -148,11 +212,17 @@ void cgit_print_commit(const char *hex)
html("<div class='commit-msg'>");
html_txt(info->msg);
html("</div>");
- html("<table class='diffstat'>");
- html("<tr><th colspan='3'>Affected files</tr>\n");
- cgit_diff_commit(commit, print_filepair);
- htmlf("<tr><td colspan='3' class='summary'>"
- "%d file%s changed</td></tr>\n", files, files > 1 ? "s" : "");
- html("</table>");
+ if (!(commit->parents && commit->parents->next && commit->parents->next->next)) {
+ html("<table class='diffstat'>");
+ max_changes = 0;
+ cgit_diff_commit(commit, inspect_filepair);
+ for(i = 0; i<files; i++)
+ print_fileinfo(&items[i]);
+ html("</table>");
+ html("<div class='diffstat-summary'>");
+ htmlf("%d files changed, %d insertions, %d deletions\n",
+ files, total_adds, total_rems);
+ html("</div>");
+ }
cgit_free_commitinfo(info);
}