From 0f2436b6f949b6ed6d887df7849fd4626843735a Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Mon, 14 Feb 2022 22:44:50 -0500
Subject: Remove cgit

My fork of cgit is now <https://git.causal.agency/cgit-pink/>.
---
 www/git.causal.agency/cgit/ui-diff.c | 505 -----------------------------------
 1 file changed, 505 deletions(-)
 delete mode 100644 www/git.causal.agency/cgit/ui-diff.c

(limited to 'www/git.causal.agency/cgit/ui-diff.c')

diff --git a/www/git.causal.agency/cgit/ui-diff.c b/www/git.causal.agency/cgit/ui-diff.c
deleted file mode 100644
index 2a64ae8f..00000000
--- a/www/git.causal.agency/cgit/ui-diff.c
+++ /dev/null
@@ -1,505 +0,0 @@
-/* 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"
-
-struct object_id old_rev_oid[1];
-struct object_id new_rev_oid[1];
-
-static int files, slots;
-static int total_adds, total_rems, max_changes;
-static int lines_added, lines_removed;
-
-static struct fileinfo {
-	char status;
-	struct object_id old_oid[1];
-	struct object_id new_oid[1];
-	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;
-	unsigned int binary:1;
-} *items;
-
-static int use_ssdiff = 0;
-static struct diff_filepair *current_filepair;
-static const char *current_prefix;
-
-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>");
-	html("<td class='mode'>");
-	if (is_null_oid(info->new_oid)) {
-		cgit_print_filemode(info->old_mode);
-	} else {
-		cgit_print_filemode(info->new_mode);
-	}
-
-	if (info->old_mode != info->new_mode &&
-	    !is_null_oid(info->old_oid) &&
-	    !is_null_oid(info->new_oid)) {
-		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.oid,
-		       ctx.qry.oid2, info->new_path);
-	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);
-	html("</tr></table></td></tr>\n");
-}
-
-static void count_diff_lines(char *line, int len)
-{
-	if (line && (len > 0)) {
-		if (line[0] == '+')
-			lines_added++;
-		else if (line[0] == '-')
-			lines_removed++;
-	}
-}
-
-static int show_filepair(struct diff_filepair *pair)
-{
-	/* Always show if we have no limiting prefix. */
-	if (!current_prefix)
-		return 1;
-
-	/* Show if either path in the pair begins with the prefix. */
-	if (starts_with(pair->one->path, current_prefix) ||
-	    starts_with(pair->two->path, current_prefix))
-		return 1;
-
-	/* Otherwise we don't want to show this filepair. */
-	return 0;
-}
-
-static void inspect_filepair(struct diff_filepair *pair)
-{
-	int binary = 0;
-	unsigned long old_size = 0;
-	unsigned long new_size = 0;
-
-	if (!show_filepair(pair))
-		return;
-
-	files++;
-	lines_added = 0;
-	lines_removed = 0;
-	cgit_diff_files(&pair->one->oid, &pair->two->oid, &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;
-	oidcpy(items[files-1].old_oid, &pair->one->oid);
-	oidcpy(items[files-1].new_oid, &pair->two->oid);
-	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 struct object_id *old_oid,
-				const struct object_id *new_oid,
-				const char *prefix)
-{
-	int i;
-
-	html("<div class='diffstat-header'>");
-	cgit_diff_link("Diffstat", NULL, NULL, ctx.qry.head, ctx.qry.oid,
-		       ctx.qry.oid2, NULL);
-	if (prefix) {
-		html(" (limited to '");
-		html_txt(prefix);
-		html("')");
-	}
-	html("</div>");
-	html("<table summary='diffstat' class='diffstat'>");
-	max_changes = 0;
-	cgit_diff_tree(old_oid, new_oid, 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("<span class='%s'>", class);
-	line[len-1] = '\0';
-	html_txt(line);
-	line[len-1] = c;
-	html("</span>\n");
-}
-
-static void header(const struct object_id *oid1, char *path1, int mode1,
-		   const struct object_id *oid2, char *path2, int mode2)
-{
-	char *abbrev1, *abbrev2;
-	int subproject;
-
-	subproject = (S_ISGITLINK(mode1) || S_ISGITLINK(mode2));
-	html("<span class='head'>");
-	html("diff --git a/");
-	html_txt(path1);
-	html(" b/");
-	html_txt(path2);
-	html("\n");
-
-	if (mode1 == 0)
-		htmlf("new file mode %.6o\n", mode2);
-
-	if (mode2 == 0)
-		htmlf("deleted file mode %.6o\n", mode1);
-
-	if (!subproject) {
-		abbrev1 = xstrdup(find_unique_abbrev(oid1, DEFAULT_ABBREV));
-		abbrev2 = xstrdup(find_unique_abbrev(oid2, DEFAULT_ABBREV));
-		htmlf("index %s..%s", abbrev1, abbrev2);
-		free(abbrev1);
-		free(abbrev2);
-		if (mode1 != 0 && mode2 != 0) {
-			htmlf(" %.6o", mode1);
-			if (mode2 != mode1)
-				htmlf("..%.6o", mode2);
-		}
-		html("\n");
-		if (is_null_oid(oid1)) {
-			path1 = "dev/null";
-			html("--- /");
-		} else
-			html("--- a/");
-		if (mode1 != 0)
-			cgit_tree_link(path1, NULL, NULL, ctx.qry.head,
-				       oid_to_hex(old_rev_oid), path1);
-		else
-			html_txt(path1);
-		html("\n");
-		if (is_null_oid(oid2)) {
-			path2 = "dev/null";
-			html("+++ /");
-		} else
-			html("+++ b/");
-		if (mode2 != 0)
-			cgit_tree_link(path2, NULL, NULL, ctx.qry.head,
-				       oid_to_hex(new_rev_oid), path2);
-		else
-			html_txt(path2);
-		html("\n");
-	}
-	html("</span>");
-}
-
-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;
-
-	if (!show_filepair(pair))
-		return;
-
-	current_filepair = pair;
-	if (use_ssdiff) {
-		cgit_ssdiff_header_begin();
-		print_line_fn = cgit_ssdiff_line_cb;
-	}
-	header(&pair->one->oid, pair->one->path, pair->one->mode,
-	       &pair->two->oid, 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", oid_to_hex(&pair->one->oid)), 52);
-		if (S_ISGITLINK(pair->two->mode))
-			print_line_fn(fmt("+Subproject %s", oid_to_hex(&pair->two->oid)), 52);
-		if (use_ssdiff)
-			cgit_ssdiff_footer();
-		return;
-	}
-	if (cgit_diff_files(&pair->one->oid, &pair->two->oid, &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(void)
-{
-	int i, curr;
-
-	html("<div class='cgit-panel'>");
-	html("<b>diff options</b>");
-	html("<form method='get'>");
-	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='dt' onchange='this.form.submit();'>");
-	curr = ctx.qry.has_difftype ? ctx.qry.difftype : ctx.cfg.difftype;
-	html_intoption(0, "unified", curr);
-	html_intoption(1, "ssdiff", curr);
-	html_intoption(2, "stat only", 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 struct object_id *old_tree_oid, *new_tree_oid;
-	diff_type difftype;
-
-	/*
-	 * If "follow" is set then the diff machinery needs to examine the
-	 * entire commit to detect renames so we must limit the paths in our
-	 * own callbacks and not pass the prefix to the diff machinery.
-	 */
-	if (ctx.qry.follow && ctx.cfg.enable_follow_links) {
-		current_prefix = prefix;
-		prefix = "";
-	} else {
-		current_prefix = NULL;
-	}
-
-	if (!new_rev)
-		new_rev = ctx.qry.head;
-	if (get_oid(new_rev, new_rev_oid)) {
-		cgit_print_error_page(404, "Not found",
-			"Bad object name: %s", new_rev);
-		return;
-	}
-	commit = lookup_commit_reference(the_repository, new_rev_oid);
-	if (!commit || parse_commit(commit)) {
-		cgit_print_error_page(404, "Not found",
-			"Bad commit: %s", oid_to_hex(new_rev_oid));
-		return;
-	}
-	new_tree_oid = get_commit_tree_oid(commit);
-
-	if (old_rev) {
-		if (get_oid(old_rev, old_rev_oid)) {
-			cgit_print_error_page(404, "Not found",
-				"Bad object name: %s", old_rev);
-			return;
-		}
-	} else if (commit->parents && commit->parents->item) {
-		oidcpy(old_rev_oid, &commit->parents->item->object.oid);
-	} else {
-		oidclr(old_rev_oid);
-	}
-
-	if (!is_null_oid(old_rev_oid)) {
-		commit2 = lookup_commit_reference(the_repository, old_rev_oid);
-		if (!commit2 || parse_commit(commit2)) {
-			cgit_print_error_page(404, "Not found",
-				"Bad commit: %s", oid_to_hex(old_rev_oid));
-			return;
-		}
-		old_tree_oid = get_commit_tree_oid(commit2);
-	} else {
-		old_tree_oid = NULL;
-	}
-
-	if (raw) {
-		struct diff_options diffopt;
-
-		diff_setup(&diffopt);
-		diffopt.output_format = DIFF_FORMAT_PATCH;
-		diffopt.flags.recursive = 1;
-		diff_setup_done(&diffopt);
-
-		ctx.page.mimetype = "text/plain";
-		cgit_print_http_headers();
-		if (old_tree_oid) {
-			diff_tree_oid(old_tree_oid, new_tree_oid, "",
-				       &diffopt);
-		} else {
-			diff_root_tree_oid(new_tree_oid, "", &diffopt);
-		}
-		diffcore_std(&diffopt);
-		diff_flush(&diffopt);
-
-		return;
-	}
-
-	difftype = ctx.qry.has_difftype ? ctx.qry.difftype : ctx.cfg.difftype;
-	use_ssdiff = difftype == DIFF_SSDIFF;
-
-	if (show_ctrls) {
-		cgit_print_layout_start();
-		cgit_print_diff_ctrls();
-	}
-
-	/*
-	 * Clicking on a link to a file in the diff stat should show a diff
-	 * of the file, showing the diff stat limited to a single file is
-	 * pretty useless.  All links from this point on will be to
-	 * individual files, so we simply reset the difftype in the query
-	 * here to avoid propagating DIFF_STATONLY to the individual files.
-	 */
-	if (difftype == DIFF_STATONLY)
-		ctx.qry.difftype = ctx.cfg.difftype;
-
-	cgit_print_diffstat(old_rev_oid, new_rev_oid, prefix);
-
-	if (difftype == DIFF_STATONLY)
-		return;
-
-	if (use_ssdiff) {
-		html("<table summary='ssdiff' class='ssdiff'>");
-	} else {
-		html("<table summary='diff' class='diff'>");
-		html("<tr><td><pre>");
-	}
-	cgit_diff_tree(old_rev_oid, new_rev_oid, filepair_cb, prefix,
-		       ctx.qry.ignorews);
-	if (!use_ssdiff)
-		html("</pre></td></tr>");
-	html("</table>");
-
-	if (show_ctrls)
-		cgit_print_layout_end();
-}
-- 
cgit 1.4.1