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authorLars Hjemli <hjemli@gmail.com>2007-05-14 00:25:14 +0400
committerLars Hjemli <hjemli@gmail.com>2007-05-14 00:31:11 +0400
commit8a3685bcf2612206fc24a2421acb53dd83aeab85 (patch)
tree4628d87e55e87ead2e097cdacf8b4160cd0fc118
parentc6cf3a424a0860d69b290254d9b19d35527b2d27 (diff)
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>
-rw-r--r--Makefile1
-rw-r--r--add.pngbin0 -> 168 bytes
-rw-r--r--cgit.css30
-rw-r--r--del.pngbin0 -> 168 bytes
-rw-r--r--ui-commit.c132
5 files changed, 130 insertions, 33 deletions
diff --git a/Makefile b/Makefile
index ccc7582..ea4d818 100644
--- a/Makefile
+++ b/Makefile
@@ -55,6 +55,7 @@ install: all clean-cache
mkdir -p $(prefix)
install cgit $(prefix)/cgit.cgi
install cgit.css $(prefix)/cgit.css
+ install add.png del.png $(prefix)/
clean-cgit:
rm -f cgit *.o
diff --git a/add.png b/add.png
new file mode 100644
index 0000000..c550388
--- /dev/null
+++ b/add.png
Binary files differ
diff --git a/cgit.css b/cgit.css
index cded981..b736b19 100644
--- a/cgit.css
+++ b/cgit.css
@@ -26,6 +26,13 @@ h3 {
font-weight: normal;
}
+h4 {
+ margin-top: 1.5em;
+ margin-bottom: 0.1em;
+ font-size: 100%;
+ font-weight: bold;
+}
+
a {
color: blue;
text-decoration: none;
@@ -227,6 +234,12 @@ div.commit-msg {
table.diffstat {
border-collapse: collapse;
margin-top: 1.5em;
+ width: 100%;
+ border: solid 1px #aaa;
+}
+
+table.diffstat tr:hover {
+ background-color: #eee;
}
table.diffstat th {
@@ -238,8 +251,11 @@ table.diffstat th {
}
table.diffstat td {
- padding: 0.1em 1em 0.1em 0.1em;
+ padding: 0.2em 0.2em 0.1em 0.1em;
font-size: 100%;
+ border: none;
+ border-top: solid 1px #aaa;
+ border-bottom: solid 1px #aaa;
}
table.diffstat td span.modechange {
@@ -259,7 +275,17 @@ table.diffstat td.upd a {
color: blue;
}
-table.diffstat td.summary {
+table.diffstat td.graph {
+ width: 75%;
+ vertical-align: center;
+}
+
+table.diffstat td.graph img {
+ border: none;
+ height: 11pt;
+}
+
+div.diffstat-summary {
color: #888;
padding-top: 0.5em;
}
diff --git a/del.png b/del.png
new file mode 100644
index 0000000..5c73e82
--- /dev/null
+++ b/del.png
Binary files differ
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);
}