1 files changed, 0 insertions, 579 deletions

diff --git a/www/git.causal.agency/cgit/shared.c b/www/git.causal.agency/cgit/shared.c
deleted file mode 100644
index 8115469a..00000000
--- a/www/git.causal.agency/cgit/shared.c
+++ /dev/null
@@ -1,579 +0,0 @@
-/* shared.c: global vars + some callback functions
- *
- * 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"
-
-struct cgit_repolist cgit_repolist;
-struct cgit_context ctx;
-
-int chk_zero(int result, char *msg)
-{
-	if (result != 0)
-		die_errno("%s", msg);
-	return result;
-}
-
-int chk_positive(int result, char *msg)
-{
-	if (result <= 0)
-		die_errno("%s", msg);
-	return result;
-}
-
-int chk_non_negative(int result, char *msg)
-{
-	if (result < 0)
-		die_errno("%s", msg);
-	return result;
-}
-
-char *cgit_default_repo_desc = "[no description]";
-struct cgit_repo *cgit_add_repo(const char *url)
-{
-	struct cgit_repo *ret;
-
-	if (++cgit_repolist.count > cgit_repolist.length) {
-		if (cgit_repolist.length == 0)
-			cgit_repolist.length = 8;
-		else
-			cgit_repolist.length *= 2;
-		cgit_repolist.repos = xrealloc(cgit_repolist.repos,
-					       cgit_repolist.length *
-					       sizeof(struct cgit_repo));
-	}
-
-	ret = &cgit_repolist.repos[cgit_repolist.count-1];
-	memset(ret, 0, sizeof(struct cgit_repo));
-	ret->url = trim_end(url, '/');
-	ret->name = ret->url;
-	ret->path = NULL;
-	ret->desc = cgit_default_repo_desc;
-	ret->extra_head_content = NULL;
-	ret->owner = NULL;
-	ret->homepage = NULL;
-	ret->section = ctx.cfg.section;
-	ret->snapshots = ctx.cfg.snapshots;
-	ret->enable_blame = ctx.cfg.enable_blame;
-	ret->enable_commit_graph = ctx.cfg.enable_commit_graph;
-	ret->enable_log_filecount = ctx.cfg.enable_log_filecount;
-	ret->enable_log_linecount = ctx.cfg.enable_log_linecount;
-	ret->enable_remote_branches = ctx.cfg.enable_remote_branches;
-	ret->enable_subject_links = ctx.cfg.enable_subject_links;
-	ret->enable_html_serving = ctx.cfg.enable_html_serving;
-	ret->max_stats = ctx.cfg.max_stats;
-	ret->branch_sort = ctx.cfg.branch_sort;
-	ret->commit_sort = ctx.cfg.commit_sort;
-	ret->module_link = ctx.cfg.module_link;
-	ret->readme = ctx.cfg.readme;
-	ret->mtime = -1;
-	ret->about_filter = ctx.cfg.about_filter;
-	ret->commit_filter = ctx.cfg.commit_filter;
-	ret->source_filter = ctx.cfg.source_filter;
-	ret->email_filter = ctx.cfg.email_filter;
-	ret->owner_filter = ctx.cfg.owner_filter;
-	ret->clone_url = ctx.cfg.clone_url;
-	ret->submodules.strdup_strings = 1;
-	ret->hide = ret->ignore = 0;
-	return ret;
-}
-
-struct cgit_repo *cgit_get_repoinfo(const char *url)
-{
-	int i;
-	struct cgit_repo *repo;
-
-	for (i = 0; i < cgit_repolist.count; i++) {
-		repo = &cgit_repolist.repos[i];
-		if (repo->ignore)
-			continue;
-		if (!strcmp(repo->url, url))
-			return repo;
-	}
-	return NULL;
-}
-
-void cgit_free_commitinfo(struct commitinfo *info)
-{
-	free(info->author);
-	free(info->author_email);
-	free(info->committer);
-	free(info->committer_email);
-	free(info->subject);
-	free(info->msg);
-	free(info->msg_encoding);
-	free(info);
-}
-
-char *trim_end(const char *str, char c)
-{
-	int len;
-
-	if (str == NULL)
-		return NULL;
-	len = strlen(str);
-	while (len > 0 && str[len - 1] == c)
-		len--;
-	if (len == 0)
-		return NULL;
-	return xstrndup(str, len);
-}
-
-char *ensure_end(const char *str, char c)
-{
-	size_t len = strlen(str);
-	char *result;
-
-	if (len && str[len - 1] == c)
-		return xstrndup(str, len);
-
-	result = xmalloc(len + 2);
-	memcpy(result, str, len);
-	result[len] = '/';
-	result[len + 1] = '\0';
-	return result;
-}
-
-void strbuf_ensure_end(struct strbuf *sb, char c)
-{
-	if (!sb->len || sb->buf[sb->len - 1] != c)
-		strbuf_addch(sb, c);
-}
-
-void cgit_add_ref(struct reflist *list, struct refinfo *ref)
-{
-	size_t size;
-
-	if (list->count >= list->alloc) {
-		list->alloc += (list->alloc ? list->alloc : 4);
-		size = list->alloc * sizeof(struct refinfo *);
-		list->refs = xrealloc(list->refs, size);
-	}
-	list->refs[list->count++] = ref;
-}
-
-static struct refinfo *cgit_mk_refinfo(const char *refname, const struct object_id *oid)
-{
-	struct refinfo *ref;
-
-	ref = xmalloc(sizeof (struct refinfo));
-	ref->refname = xstrdup(refname);
-	ref->object = parse_object(the_repository, oid);
-	switch (ref->object->type) {
-	case OBJ_TAG:
-		ref->tag = cgit_parse_tag((struct tag *)ref->object);
-		break;
-	case OBJ_COMMIT:
-		ref->commit = cgit_parse_commit((struct commit *)ref->object);
-		break;
-	}
-	return ref;
-}
-
-void cgit_free_taginfo(struct taginfo *tag)
-{
-	if (tag->tagger)
-		free(tag->tagger);
-	if (tag->tagger_email)
-		free(tag->tagger_email);
-	if (tag->msg)
-		free(tag->msg);
-	free(tag);
-}
-
-static void cgit_free_refinfo(struct refinfo *ref)
-{
-	if (ref->refname)
-		free((char *)ref->refname);
-	switch (ref->object->type) {
-	case OBJ_TAG:
-		cgit_free_taginfo(ref->tag);
-		break;
-	case OBJ_COMMIT:
-		cgit_free_commitinfo(ref->commit);
-		break;
-	}
-	free(ref);
-}
-
-void cgit_free_reflist_inner(struct reflist *list)
-{
-	int i;
-
-	for (i = 0; i < list->count; i++) {
-		cgit_free_refinfo(list->refs[i]);
-	}
-	free(list->refs);
-}
-
-int cgit_refs_cb(const char *refname, const struct object_id *oid, int flags,
-		  void *cb_data)
-{
-	struct reflist *list = (struct reflist *)cb_data;
-	struct refinfo *info = cgit_mk_refinfo(refname, oid);
-
-	if (info)
-		cgit_add_ref(list, info);
-	return 0;
-}
-
-void cgit_diff_tree_cb(struct diff_queue_struct *q,
-		       struct diff_options *options, void *data)
-{
-	int i;
-
-	for (i = 0; i < q->nr; i++) {
-		if (q->queue[i]->status == 'U')
-			continue;
-		((filepair_fn)data)(q->queue[i]);
-	}
-}
-
-static int load_mmfile(mmfile_t *file, const struct object_id *oid)
-{
-	enum object_type type;
-
-	if (is_null_oid(oid)) {
-		file->ptr = (char *)"";
-		file->size = 0;
-	} else {
-		file->ptr = read_object_file(oid, &type,
-		                           (unsigned long *)&file->size);
-	}
-	return 1;
-}
-
-/*
- * Receive diff-buffers from xdiff and concatenate them as
- * needed across multiple callbacks.
- *
- * This is basically a copy of xdiff-interface.c/xdiff_outf(),
- * ripped from git and modified to use globals instead of
- * a special callback-struct.
- */
-static char *diffbuf = NULL;
-static int buflen = 0;
-
-static int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf)
-{
-	int i;
-
-	for (i = 0; i < nbuf; i++) {
-		if (mb[i].ptr[mb[i].size-1] != '\n') {
-			/* Incomplete line */
-			diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
-			memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
-			buflen += mb[i].size;
-			continue;
-		}
-
-		/* we have a complete line */
-		if (!diffbuf) {
-			((linediff_fn)priv)(mb[i].ptr, mb[i].size);
-			continue;
-		}
-		diffbuf = xrealloc(diffbuf, buflen + mb[i].size);
-		memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size);
-		((linediff_fn)priv)(diffbuf, buflen + mb[i].size);
-		free(diffbuf);
-		diffbuf = NULL;
-		buflen = 0;
-	}
-	if (diffbuf) {
-		((linediff_fn)priv)(diffbuf, buflen);
-		free(diffbuf);
-		diffbuf = NULL;
-		buflen = 0;
-	}
-	return 0;
-}
-
-int cgit_diff_files(const struct object_id *old_oid,
-		    const struct object_id *new_oid, unsigned long *old_size,
-		    unsigned long *new_size, int *binary, int context,
-		    int ignorews, linediff_fn fn)
-{
-	mmfile_t file1, file2;
-	xpparam_t diff_params;
-	xdemitconf_t emit_params;
-	xdemitcb_t emit_cb;
-
-	if (!load_mmfile(&file1, old_oid) || !load_mmfile(&file2, new_oid))
-		return 1;
-
-	*old_size = file1.size;
-	*new_size = file2.size;
-
-	if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) ||
-	    (file2.ptr && buffer_is_binary(file2.ptr, file2.size))) {
-		*binary = 1;
-		if (file1.size)
-			free(file1.ptr);
-		if (file2.size)
-			free(file2.ptr);
-		return 0;
-	}
-
-	memset(&diff_params, 0, sizeof(diff_params));
-	memset(&emit_params, 0, sizeof(emit_params));
-	memset(&emit_cb, 0, sizeof(emit_cb));
-	diff_params.flags = XDF_NEED_MINIMAL;
-	if (ignorews)
-		diff_params.flags |= XDF_IGNORE_WHITESPACE;
-	emit_params.ctxlen = context > 0 ? context : 3;
-	emit_params.flags = XDL_EMIT_FUNCNAMES;
-	emit_cb.out_line = filediff_cb;
-	emit_cb.priv = fn;
-	xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb);
-	if (file1.size)
-		free(file1.ptr);
-	if (file2.size)
-		free(file2.ptr);
-	return 0;
-}
-
-void cgit_diff_tree(const struct object_id *old_oid,
-		    const struct object_id *new_oid,
-		    filepair_fn fn, const char *prefix, int ignorews)
-{
-	struct diff_options opt;
-	struct pathspec_item item;
-
-	memset(&item, 0, sizeof(item));
-	diff_setup(&opt);
-	opt.output_format = DIFF_FORMAT_CALLBACK;
-	opt.detect_rename = 1;
-	opt.rename_limit = ctx.cfg.renamelimit;
-	opt.flags.recursive = 1;
-	if (ignorews)
-		DIFF_XDL_SET(&opt, IGNORE_WHITESPACE);
-	opt.format_callback = cgit_diff_tree_cb;
-	opt.format_callback_data = fn;
-	if (prefix) {
-		item.match = xstrdup(prefix);
-		item.len = strlen(prefix);
-		opt.pathspec.nr = 1;
-		opt.pathspec.items = &item;
-	}
-	diff_setup_done(&opt);
-
-	if (old_oid && !is_null_oid(old_oid))
-		diff_tree_oid(old_oid, new_oid, "", &opt);
-	else
-		diff_root_tree_oid(new_oid, "", &opt);
-	diffcore_std(&opt);
-	diff_flush(&opt);
-
-	free(item.match);
-}
-
-void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix)
-{
-	const struct object_id *old_oid = NULL;
-
-	if (commit->parents)
-		old_oid = &commit->parents->item->object.oid;
-	cgit_diff_tree(old_oid, &commit->object.oid, fn, prefix,
-		       ctx.qry.ignorews);
-}
-
-int cgit_parse_snapshots_mask(const char *str)
-{
-	struct string_list tokens = STRING_LIST_INIT_DUP;
-	struct string_list_item *item;
-	const struct cgit_snapshot_format *f;
-	int rv = 0;
-
-	/* favor legacy setting */
-	if (atoi(str))
-		return 1;
-
-	if (strcmp(str, "all") == 0)
-		return INT_MAX;
-
-	string_list_split(&tokens, str, ' ', -1);
-	string_list_remove_empty_items(&tokens, 0);
-
-	for_each_string_list_item(item, &tokens) {
-		for (f = cgit_snapshot_formats; f->suffix; f++) {
-			if (!strcmp(item->string, f->suffix) ||
-			    !strcmp(item->string, f->suffix + 1)) {
-				rv |= cgit_snapshot_format_bit(f);
-				break;
-			}
-		}
-	}
-
-	string_list_clear(&tokens, 0);
-	return rv;
-}
-
-typedef struct {
-	char * name;
-	char * value;
-} cgit_env_var;
-
-void cgit_prepare_repo_env(struct cgit_repo * repo)
-{
-	cgit_env_var env_vars[] = {
-		{ .name = "CGIT_REPO_URL", .value = repo->url },
-		{ .name = "CGIT_REPO_NAME", .value = repo->name },
-		{ .name = "CGIT_REPO_PATH", .value = repo->path },
-		{ .name = "CGIT_REPO_OWNER", .value = repo->owner },
-		{ .name = "CGIT_REPO_DEFBRANCH", .value = repo->defbranch },
-		{ .name = "CGIT_REPO_SECTION", .value = repo->section },
-		{ .name = "CGIT_REPO_CLONE_URL", .value = repo->clone_url }
-	};
-	int env_var_count = ARRAY_SIZE(env_vars);
-	cgit_env_var *p, *q;
-	static char *warn = "cgit warning: failed to set env: %s=%s\n";
-
-	p = env_vars;
-	q = p + env_var_count;
-	for (; p < q; p++)
-		if (p->value && setenv(p->name, p->value, 1))
-			fprintf(stderr, warn, p->name, p->value);
-}
-
-/* Read the content of the specified file into a newly allocated buffer,
- * zeroterminate the buffer and return 0 on success, errno otherwise.
- */
-int readfile(const char *path, char **buf, size_t *size)
-{
-	int fd, e;
-	struct stat st;
-
-	fd = open(path, O_RDONLY);
-	if (fd == -1)
-		return errno;
-	if (fstat(fd, &st)) {
-		e = errno;
-		close(fd);
-		return e;
-	}
-	if (!S_ISREG(st.st_mode)) {
-		close(fd);
-		return EISDIR;
-	}
-	*buf = xmalloc(st.st_size + 1);
-	*size = read_in_full(fd, *buf, st.st_size);
-	e = errno;
-	(*buf)[*size] = '\0';
-	close(fd);
-	return (*size == st.st_size ? 0 : e);
-}
-
-static int is_token_char(char c)
-{
-	return isalnum(c) || c == '_';
-}
-
-/* Replace name with getenv(name), return pointer to zero-terminating char
- */
-static char *expand_macro(char *name, int maxlength)
-{
-	char *value;
-	size_t len;
-
-	len = 0;
-	value = getenv(name);
-	if (value) {
-		len = strlen(value) + 1;
-		if (len > maxlength)
-			len = maxlength;
-		strlcpy(name, value, len);
-		--len;
-	}
-	return name + len;
-}
-
-#define EXPBUFSIZE (1024 * 8)
-
-/* Replace all tokens prefixed by '$' in the specified text with the
- * value of the named environment variable.
- * NB: the return value is a static buffer, i.e. it must be strdup'd
- * by the caller.
- */
-char *expand_macros(const char *txt)
-{
-	static char result[EXPBUFSIZE];
-	char *p, *start;
-	int len;
-
-	p = result;
-	start = NULL;
-	while (p < result + EXPBUFSIZE - 1 && txt && *txt) {
-		*p = *txt;
-		if (start) {
-			if (!is_token_char(*txt)) {
-				if (p - start > 0) {
-					*p = '\0';
-					len = result + EXPBUFSIZE - start - 1;
-					p = expand_macro(start, len) - 1;
-				}
-				start = NULL;
-				txt--;
-			}
-			p++;
-			txt++;
-			continue;
-		}
-		if (*txt == '$') {
-			start = p;
-			txt++;
-			continue;
-		}
-		p++;
-		txt++;
-	}
-	*p = '\0';
-	if (start && p - start > 0) {
-		len = result + EXPBUFSIZE - start - 1;
-		p = expand_macro(start, len);
-		*p = '\0';
-	}
-	return result;
-}
-
-char *get_mimetype_for_filename(const char *filename)
-{
-	char *ext, *mimetype, *token, line[1024], *saveptr;
-	FILE *file;
-	struct string_list_item *mime;
-
-	if (!filename)
-		return NULL;
-
-	ext = strrchr(filename, '.');
-	if (!ext)
-		return NULL;
-	++ext;
-	if (!ext[0])
-		return NULL;
-	mime = string_list_lookup(&ctx.cfg.mimetypes, ext);
-	if (mime)
-		return xstrdup(mime->util);
-
-	if (!ctx.cfg.mimetype_file)
-		return NULL;
-	file = fopen(ctx.cfg.mimetype_file, "r");
-	if (!file)
-		return NULL;
-	while (fgets(line, sizeof(line), file)) {
-		if (!line[0] || line[0] == '#')
-			continue;
-		mimetype = strtok_r(line, " \t\r\n", &saveptr);
-		while ((token = strtok_r(NULL, " \t\r\n", &saveptr))) {
-			if (!strcasecmp(ext, token)) {
-				fclose(file);
-				return xstrdup(mimetype);
-			}
-		}
-	}
-	fclose(file);
-	return NULL;
-}