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path: root/ui-commit.c
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/* ui-commit.c: generate commit view
 *
 * 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-commit.h"
#include "html.h"
#include "ui-shared.h"
#include "ui-diff.h"
#include "ui-log.h"

void cgit_print_commit(char *hex, const char *prefix)
{
	struct commit *commit, *parent;
	struct commitinfo *info, *parent_info;
	struct commit_list *p;
	struct strbuf notes = STRBUF_INIT;
	struct object_id oid;
	char *tmp, *tmp2;
	int parents = 0;

	if (!hex)
		hex = ctx.qry.head;

	if (get_oid(hex, &oid)) {
		cgit_print_error_page(400, "Bad request",
				"Bad object id: %s", hex);
		return;
	}
	commitpre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
.highlight .no { color: #003366; font-weight: bold } /* Name.Constant */
.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
.highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */
.highlight .nl { color: #336699; font-style: italic } /* Name.Label */
.highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */
.highlight .py { color: #336699; font-weight: bold } /* Name.Property */
.highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */
.highlight .nv { color: #336699 } /* Name.Variable */
.highlight .ow { color: #008800 } /* Operator.Word */
.highlight .w { color: #bbbbbb } /* Text.Whitespace */
.highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */
.highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */
.highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */
.highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */
.highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */
.highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */
.highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */
.highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */
.highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */
.highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */
.highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */
.highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */
.highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */
.highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */
.highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */
.highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */
.highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */
.highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */
.highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */
.highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */
.highlight .vc { color: #336699 } /* Name.Variable.Class */
.highlight .vg { color: #dd7700 } /* Name.Variable.Global */
.highlight .vi { color: #3333bb } /* Name.Variable.Instance */
.highlight .vm { color: #336699 } /* Name.Variable.Magic */
.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/* ui-diff.c: show diff between two blobs
 *
 * 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-diff.h"
#include "html.h"
#include "ui-shared.h"
#include "ui-ssdiff.h"

unsigned char old_rev_sha1[20];
unsigned char new_rev_sha1[20];

static int files, slots;
static int total_adds, total_rems, max_changes;
static int lines_added, lines_removed;

static 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;
	unsigned long old_size;
	unsigned long new_size;
	int binary:1;
} *items;

static int use_ssdiff = 0;
static struct diff_filepair *current_filepair;

struct diff_filespec *cgit_get_current_old_file(void)
{
	return current_filepair->one;
}

struct diff_filespec *cgit_get_current_new_file(void)
{
	return current_filepair->two;
}

static void print_fileinfo(struct fileinfo *info)
{
	char *class;

	switch (info->status) {
	case DIFF_STATUS_ADDED:
		class = "add";
		break;
	case DIFF_STATUS_COPIED:
		class = "cpy";
		break;
	case DIFF_STATUS_DELETED:
		class = "del";
		break;
	case DIFF_STATUS_MODIFIED:
		class = "upd";
		break;
	case DIFF_STATUS_RENAMED:
		class = "mov";
		break;
	case DIFF_STATUS_TYPE_CHANGED:
		class = "typ";
		break;
	case DIFF_STATUS_UNKNOWN:
		class = "unk";
		break;
	case DIFF_STATUS_UNMERGED:
		class = "stg";
		break;
	default:
		die("bug: unhandled diff status %c", info->status);
	}

	html("<tr>");
	htmlf("<td class='mode'>");
	if (is_null_sha1(info->new_sha1)) {
		cgit_print_filemode(info->old_mode);
	} else {
		cgit_print_filemode(info->new_mode);
	}

	if (info->old_mode != info->new_mode &&
	    !is_null_sha1(info->old_sha1) &&
	    !is_null_sha1(info->new_sha1)) {
		html("<span class='modechange'>[");
		cgit_print_filemode(info->old_mode);
		html("]</span>");
	}
	htmlf("</td><td class='%s'>", class);
	cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, ctx.qry.sha1,
		       ctx.qry.sha2, info->new_path, 0);
	if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED) {
		htmlf(" (%s from ",
		      info->status == DIFF_STATUS_COPIED ? "copied" : "renamed");
		html_txt(info->old_path);
		html(")");
	}
	html("</td><td class='right'>");
	if (info->binary) {
		htmlf("bin</td><td class='graph'>%ld -> %ld bytes",
		      info->old_size, info->new_size);
		return;
	}
	htmlf("%d", info->added + info->removed);
	html("</td><td class='graph'>");
	htmlf("<table summary='file diffstat' width='%d%%'><tr>", (max_changes > 100 ? 100 : max_changes));
	htmlf("<td class='add' style='width: %.1f%%;'/>",
	      info->added * 100.0 / max_changes);
	htmlf("<td class='rem' style='width: %.1f%%;'/>",
	      info->removed * 100.0 / max_changes);
	htmlf("<td class='none' style='width: %.1f%%;'/>",
	      (max_changes - info->removed - info->added) * 100.0 / max_changes);
	ht
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-01-22 01:05:58 +0000
id count_diff_lines(char *line, int len) { if (line && (len > 0)) { if (line[0] == '+') lines_added++; else if (line[0] == '-') lines_removed++; } } static void inspect_filepair(struct diff_filepair *pair) { int binary = 0; unsigned long old_size = 0; unsigned long new_size = 0; files++; lines_added = 0; lines_removed = 0; cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, &new_size, &binary, 0, ctx.qry.ignorews, 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; items[files-1].old_size = old_size; items[files-1].new_size = new_size; items[files-1].binary = binary; if (lines_added + lines_removed > max_changes) max_changes = lines_added + lines_removed; total_adds += lines_added; total_rems += lines_removed; } static void cgit_print_diffstat(const unsigned char *old_sha1, const unsigned char *new_sha1, const char *prefix) { int i; html("<div class='diffstat-header'>"); cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.sha1, ctx.qry.sha2, NULL, 0); if (prefix) { html(" (limited to '"); html_txt(prefix); html("')"); } html("</div>"); html("<table summary='diffstat' class='diffstat'>"); max_changes = 0; cgit_diff_tree(old_sha1, new_sha1, inspect_filepair, prefix, ctx.qry.ignorews); 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", files, total_adds, total_rems); html("</div>"); } /* * print a single line returned from xdiff */ static void print_line(char *line, int len) { char *class = "ctx"; char c = line[len-1]; if (line[0] == '+') class = "add"; else if (line[0] == '-') class = "del"; else if (line[0] == '@') class = "hunk"; htmlf("<div class='%s'>", class); line[len-1] = '\0'; html_txt(line); html("</div>"); line[len-1] = c; } static void header(unsigned char *sha1, char *path1, int mode1, unsigned char *sha2, char *path2, int mode2) { char *abbrev1, *abbrev2; int subproject; subproject = (S_ISGITLINK(mode1) || S_ISGITLINK(mode2)); html("<div class='head'>"); html("diff --git a/"); html_txt(path1); html(" b/"); html_txt(path2); if (mode1 == 0) htmlf("<br/>new file mode %.6o", mode2); if (mode2 == 0) htmlf("<br/>deleted file mode %.6o", mode1); if (!subproject) { abbrev1 = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV)); abbrev2 = xstrdup(find_unique_abbrev(sha2, DEFAULT_ABBREV)); htmlf("<br/>index %s..%s", abbrev1, abbrev2); free(abbrev1); free(abbrev2); if (mode1 != 0 && mode2 != 0) { htmlf(" %.6o", mode1); if (mode2 != mode1) htmlf("..%.6o", mode2); } if (is_null_sha1(sha1)) { path1 = "dev/null"; html("<br/>--- /"); } else html("<br/>--- a/"); if (mode1 != 0) cgit_tree_link(path1, NULL, NULL, ctx.qry.head, sha1_to_hex(old_rev_sha1), path1); else html_txt(path1); if (is_null_sha1(sha2)) { path2 = "dev/null"; html("<br/>+++ /"); } else html("<br/>+++ b/"); if (mode2 != 0) cgit_tree_link(path2, NULL, NULL, ctx.qry.head, sha1_to_hex(new_rev_sha1), path2); else html_txt(path2); } html("</div>"); } static void filepair_cb(struct diff_filepair *pair) { unsigned long old_size = 0; unsigned long new_size = 0; int binary = 0; linediff_fn print_line_fn = print_line; current_filepair = pair; if (use_ssdiff) { cgit_ssdiff_header_begin(); print_line_fn = cgit_ssdiff_line_cb; } header(pair->one->sha1, pair->one->path, pair->one->mode, pair->two->sha1, pair->two->path, pair->two->mode); if (use_ssdiff) cgit_ssdiff_header_end(); if (S_ISGITLINK(pair->one->mode) || S_ISGITLINK(pair->two->mode)) { if (S_ISGITLINK(pair->one->mode)) print_line_fn(fmt("-Subproject %s", sha1_to_hex(pair->one->sha1)), 52); if (S_ISGITLINK(pair->two->mode)) print_line_fn(fmt("+Subproject %s", sha1_to_hex(pair->two->sha1)), 52); if (use_ssdiff) cgit_ssdiff_footer(); return; } if (cgit_diff_files(pair->one->sha1, pair->two->sha1, &old_size, &new_size, &binary, ctx.qry.context, ctx.qry.ignorews, print_line_fn)) cgit_print_error("Error running diff"); if (binary) { if (use_ssdiff) html("<tr><td colspan='4'>Binary files differ</td></tr>"); else html("Binary files differ"); } if (use_ssdiff) cgit_ssdiff_footer(); } void cgit_print_diff_ctrls() { int i, curr; html("<div class='cgit-panel'>"); html("<b>diff options</b>"); html("<form method='get' action='.'>"); cgit_add_hidden_formfields(1, 0, ctx.qry.page); html("<table>"); html("<tr><td colspan='2'/></tr>"); html("<tr>"); html("<td class='label'>context:</td>"); html("<td class='ctrl'>"); html("<select name='context' onchange='this.form.submit();'>"); curr = ctx.qry.context; if (!curr) curr = 3; for (i = 1; i <= 10; i++) html_intoption(i, fmt("%d", i), curr); for (i = 15; i <= 40; i += 5) html_intoption(i, fmt("%d", i), curr); html("</select>"); html("</td>"); html("</tr><tr>"); html("<td class='label'>space:</td>"); html("<td class='ctrl'>"); html("<select name='ignorews' onchange='this.form.submit();'>"); html_intoption(0, "include", ctx.qry.ignorews); html_intoption(1, "ignore", ctx.qry.ignorews); html("</select>"); html("</td>"); html("</tr><tr>"); html("<td class='label'>mode:</td>"); html("<td class='ctrl'>"); html("<select name='ss' onchange='this.form.submit();'>"); curr = ctx.qry.has_ssdiff ? ctx.qry.ssdiff : ctx.cfg.ssdiff; html_intoption(0, "unified", curr); html_intoption(1, "ssdiff", curr); html("</select></td></tr>"); html("<tr><td/><td class='ctrl'>"); html("<noscript><input type='submit' value='reload'/></noscript>"); html("</td></tr></table>"); html("</form>"); html("</div>"); } void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefix, int show_ctrls, int raw) { struct commit *commit, *commit2; const unsigned char *old_tree_sha1, *new_tree_sha1; if (!new_rev) new_rev = ctx.qry.head; if (get_sha1(new_rev, new_rev_sha1)) { cgit_print_error("Bad object name: %s", new_rev); return; } commit = lookup_commit_reference(new_rev_sha1); if (!commit || parse_commit(commit)) { cgit_print_error("Bad commit: %s", sha1_to_hex(new_rev_sha1)); return; } new_tree_sha1 = commit->tree->object.sha1; if (old_rev) { if (get_sha1(old_rev, old_rev_sha1)) { cgit_print_error("Bad object name: %s", old_rev); return; } } else if (commit->parents && commit->parents->item) { hashcpy(old_rev_sha1, commit->parents->item->object.sha1); } else { hashclr(old_rev_sha1); } if (!is_null_sha1(old_rev_sha1)) { commit2 = lookup_commit_reference(old_rev_sha1); if (!commit2 || parse_commit(commit2)) { cgit_print_error("Bad commit: %s", sha1_to_hex(old_rev_sha1)); return; } old_tree_sha1 = commit2->tree->object.sha1; } else { old_tree_sha1 = NULL; } if (raw) { struct diff_options diffopt; diff_setup(&diffopt); diffopt.output_format = DIFF_FORMAT_PATCH; DIFF_OPT_SET(&diffopt, RECURSIVE); diff_setup_done(&diffopt); ctx.page.mimetype = "text/plain"; cgit_print_http_headers(); if (old_tree_sha1) { diff_tree_sha1(old_tree_sha1, new_tree_sha1, "", &diffopt); } else { diff_root_tree_sha1(new_tree_sha1, "", &diffopt); } diffcore_std(&diffopt); diff_flush(&diffopt); return; } use_ssdiff = ctx.qry.has_ssdiff ? ctx.qry.ssdiff : ctx.cfg.ssdiff; if (show_ctrls) cgit_print_diff_ctrls(); cgit_print_diffstat(old_rev_sha1, new_rev_sha1, prefix); if (use_ssdiff) { html("<table summary='ssdiff' class='ssdiff'>"); } else { html("<table summary='diff' class='diff'>"); html("<tr><td>"); } cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb, prefix, ctx.qry.ignorews); if (!use_ssdiff) html("</td></tr>"); html("</table>"); }