Introduce struct cgit_context

This struct will hold all the cgit runtime information currently found in
a multitude of global variables.

The first cleanup removes all querystring-related variables.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

13 files changed, 156 insertions, 164 deletions

diff --git a/cache.c b/cache.c
index 372e38d..b162952 100644
--- a/cache.c
+++ b/cache.c
@@ -54,16 +54,16 @@ int cache_create_dirs()
 	path = fmt("%s/%s", cgit_cache_root,
 		   cache_safe_filename(cgit_repo->url));
 
 	if (mkdir(path, S_IRWXU) && errno!=EEXIST)
 		return 0;
 
-	if (cgit_query_page) {
+	if (ctx.qry.page) {
 		path = fmt("%s/%s/%s", cgit_cache_root,
 			   cache_safe_filename(cgit_repo->url),
-			   cgit_query_page);
+			   ctx.qry.page);
 		if (mkdir(path, S_IRWXU) && errno!=EEXIST)
 			return 0;
 	}
 	return 1;
 }
 
diff --git a/cgit.c b/cgit.c
index e8acc03..8a30c3c 100644
--- a/cgit.c
+++ b/cgit.c
@@ -7,17 +7,17 @@
  */
 
 #include "cgit.h"
 
 static int cgit_prepare_cache(struct cacheitem *item)
 {
-	if (!cgit_repo && cgit_query_repo) {
+	if (!cgit_repo && ctx.qry.repo) {
 		char *title = fmt("%s - %s", cgit_root_title, "Bad request");
 		cgit_print_docstart(title, item);
 		cgit_print_pageheader(title, 0);
-		cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo));
+		cgit_print_error(fmt("Unknown repo: %s", ctx.qry.repo));
 		cgit_print_docend();
 		return 0;
 	}
 
 	if (!cgit_repo) {
 		item->name = xstrdup(fmt("%s/index.html", cgit_cache_root));
@@ -25,22 +25,22 @@ static int cgit_prepare_cache(struct cacheitem *item)
 		return 1;
 	}
 
 	if (!cgit_cmd) {
 		item->name = xstrdup(fmt("%s/%s/index.%s.html", cgit_cache_root,
 					 cache_safe_filename(cgit_repo->url),
-					 cache_safe_filename(cgit_querystring)));
+					 cache_safe_filename(ctx.qry.raw)));
 		item->ttl = cgit_cache_repo_ttl;
 	} else {
 		item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root,
 					 cache_safe_filename(cgit_repo->url),
-					 cgit_query_page,
-					 cache_safe_filename(cgit_querystring)));
-		if (cgit_query_has_symref)
+					 ctx.qry.page,
+					 cache_safe_filename(ctx.qry.raw)));
+		if (ctx.qry.has_symref)
 			item->ttl = cgit_cache_dynamic_ttl;
-		else if (cgit_query_has_sha1)
+		else if (ctx.qry.has_sha1)
 			item->ttl = cgit_cache_static_ttl;
 		else
 			item->ttl = cgit_cache_repo_ttl;
 	}
 	return 1;
 }
@@ -95,84 +95,84 @@ static void cgit_print_repo_page(struct cacheitem *item)
 	}
 
 	title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc);
 	show_search = 0;
 	setenv("GIT_DIR", cgit_repo->path, 1);
 
-	if (!cgit_query_head) {
-		cgit_query_head = xstrdup(find_default_branch(cgit_repo));
-		cgit_repo->defbranch = cgit_query_head;
+	if (!ctx.qry.head) {
+		ctx.qry.head = xstrdup(find_default_branch(cgit_repo));
+		cgit_repo->defbranch = ctx.qry.head;
 	}
 
-	if (!cgit_query_head) {
+	if (!ctx.qry.head) {
 		cgit_print_docstart(title, item);
 		cgit_print_pageheader(title, 0);
 		cgit_print_error("Repository seems to be empty");
 		cgit_print_docend();
 		return;
 	}
 
-	if (get_sha1(cgit_query_head, sha1)) {
-		tmp = xstrdup(cgit_query_head);
-		cgit_query_head = cgit_repo->defbranch;
+	if (get_sha1(ctx.qry.head, sha1)) {
+		tmp = xstrdup(ctx.qry.head);
+		ctx.qry.head = cgit_repo->defbranch;
 		cgit_print_docstart(title, item);
 		cgit_print_pageheader(title, 0);
 		cgit_print_error(fmt("Invalid branch: %s", tmp));
 		cgit_print_docend();
 		return;
 	}
 
 	if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) {
-		cgit_print_snapshot(item, cgit_query_head, cgit_query_sha1,
+		cgit_print_snapshot(item, ctx.qry.head, ctx.qry.sha1,
 				    cgit_repobasename(cgit_repo->url),
-				    cgit_query_path,
+				    ctx.qry.path,
 				    cgit_repo->snapshots );
 		return;
 	}
 
 	if (cgit_cmd == CMD_PATCH) {
-		cgit_print_patch(cgit_query_sha1, item);
+		cgit_print_patch(ctx.qry.sha1, item);
 		return;
 	}
 
 	if (cgit_cmd == CMD_BLOB) {
-		cgit_print_blob(item, cgit_query_sha1, cgit_query_path);
+		cgit_print_blob(item, ctx.qry.sha1, ctx.qry.path);
 		return;
 	}
 
 	show_search = (cgit_cmd == CMD_LOG);
 	cgit_print_docstart(title, item);
 	if (!cgit_cmd) {
 		cgit_print_pageheader("summary", show_search);
 		cgit_print_summary();
 		cgit_print_docend();
 		return;
 	}
 
-	cgit_print_pageheader(cgit_query_page, show_search);
+	cgit_print_pageheader(ctx.qry.page, show_search);
 
 	switch(cgit_cmd) {
 	case CMD_LOG:
-		cgit_print_log(cgit_query_sha1, cgit_query_ofs,
-			       cgit_max_commit_count, cgit_query_grep, cgit_query_search,
-			       cgit_query_path, 1);
+		cgit_print_log(ctx.qry.sha1, ctx.qry.ofs,
+			       cgit_max_commit_count, ctx.qry.grep, ctx.qry.search,
+			       ctx.qry.path, 1);
 		break;
 	case CMD_TREE:
-		cgit_print_tree(cgit_query_sha1, cgit_query_path);
+		cgit_print_tree(ctx.qry.sha1, ctx.qry.path);
 		break;
 	case CMD_COMMIT:
-		cgit_print_commit(cgit_query_sha1);
+		cgit_print_commit(ctx.qry.sha1);
 		break;
 	case CMD_REFS:
 		cgit_print_refs();
 		break;
 	case CMD_TAG:
-		cgit_print_tag(cgit_query_sha1);
+		cgit_print_tag(ctx.qry.sha1);
 		break;
 	case CMD_DIFF:
-		cgit_print_diff(cgit_query_sha1, cgit_query_sha2, cgit_query_path);
+		cgit_print_diff(ctx.qry.sha1, ctx.qry.sha2, ctx.qry.path);
 		break;
 	default:
 		cgit_print_error("Invalid request");
 	}
 	cgit_print_docend();
 }
@@ -261,30 +261,30 @@ static void cgit_parse_args(int argc, const char **argv)
 			cgit_cache_root = xstrdup(argv[i]+8);
 		}
 		if (!strcmp(argv[i], "--nocache")) {
 			cgit_nocache = 1;
 		}
 		if (!strncmp(argv[i], "--query=", 8)) {
-			cgit_querystring = xstrdup(argv[i]+8);
+			ctx.qry.raw = xstrdup(argv[i]+8);
 		}
 		if (!strncmp(argv[i], "--repo=", 7)) {
-			cgit_query_repo = xstrdup(argv[i]+7);
+			ctx.qry.repo = xstrdup(argv[i]+7);
 		}
 		if (!strncmp(argv[i], "--page=", 7)) {
-			cgit_query_page = xstrdup(argv[i]+7);
+			ctx.qry.page = xstrdup(argv[i]+7);
 		}
 		if (!strncmp(argv[i], "--head=", 7)) {
-			cgit_query_head = xstrdup(argv[i]+7);
-			cgit_query_has_symref = 1;
+			ctx.qry.head = xstrdup(argv[i]+7);
+			ctx.qry.has_symref = 1;
 		}
 		if (!strncmp(argv[i], "--sha1=", 7)) {
-			cgit_query_sha1 = xstrdup(argv[i]+7);
-			cgit_query_has_sha1 = 1;
+			ctx.qry.sha1 = xstrdup(argv[i]+7);
+			ctx.qry.has_sha1 = 1;
 		}
 		if (!strncmp(argv[i], "--ofs=", 6)) {
-			cgit_query_ofs = atoi(argv[i]+6);
+			ctx.qry.ofs = atoi(argv[i]+6);
 		}
 	}
 }
 
 int main(int argc, const char **argv)
 {
@@ -300,15 +300,15 @@ int main(int argc, const char **argv)
 	cgit_read_config(cgit_config_env ? cgit_config_env : CGIT_CONFIG,
 			 cgit_global_config_cb);
 	cgit_repo = NULL;
 	if (getenv("SCRIPT_NAME"))
 		cgit_script_name = xstrdup(getenv("SCRIPT_NAME"));
 	if (getenv("QUERY_STRING"))
-		cgit_querystring = xstrdup(getenv("QUERY_STRING"));
+		ctx.qry.raw = xstrdup(getenv("QUERY_STRING"));
 	cgit_parse_args(argc, argv);
-	cgit_parse_query(cgit_querystring, cgit_querystring_cb);
+	cgit_parse_query(ctx.qry.raw, cgit_querystring_cb);
 	if (!cgit_prepare_cache(&item))
 		return 0;
 	if (cgit_nocache) {
 		cgit_fill_cache(&item, 0);
 	} else {
 		cgit_check_cache(&item);
diff --git a/cgit.h b/cgit.h
index 66c40b9..4576efb 100644
--- a/cgit.h
+++ b/cgit.h
@@ -120,16 +120,37 @@ struct refinfo {
 struct reflist {
 	struct refinfo **refs;
 	int alloc;
 	int count;
 };
 
+struct cgit_query {
+	int has_symref;
+	int has_sha1;
+	char *raw;
+	char *repo;
+	char *page;
+	char *search;
+	char *grep;
+	char *head;
+	char *sha1;
+	char *sha2;
+	char *path;
+	char *name;
+	int   ofs;
+};
+
+struct cgit_context {
+	struct cgit_query qry;
+};
+
 extern const char *cgit_version;
 
 extern struct repolist cgit_repolist;
 extern struct repoinfo *cgit_repo;
+extern struct cgit_context ctx;
 extern int cgit_cmd;
 
 extern char *cgit_root_title;
 extern char *cgit_css;
 extern char *cgit_logo;
 extern char *cgit_index_header;
@@ -160,26 +181,12 @@ extern int cgit_summary_tags;
 extern int cgit_summary_branches;
 
 extern int cgit_max_msg_len;
 extern int cgit_max_repodesc_len;
 extern int cgit_max_commit_count;
 
-extern int cgit_query_has_symref;
-extern int cgit_query_has_sha1;
-
-extern char *cgit_querystring;
-extern char *cgit_query_repo;
-extern char *cgit_query_page;
-extern char *cgit_query_search;
-extern char *cgit_query_grep;
-extern char *cgit_query_head;
-extern char *cgit_query_sha1;
-extern char *cgit_query_sha2;
-extern char *cgit_query_path;
-extern char *cgit_query_name;
-extern int   cgit_query_ofs;
 
 extern int htmlfd;
 
 extern int cgit_get_cmd_index(const char *cmd);
 extern struct repoinfo *cgit_get_repoinfo(const char *url);
 extern void cgit_global_config_cb(const char *name, const char *value);
diff --git a/parsing.c b/parsing.c
index 5093b8b..8cf56a4 100644
--- a/parsing.c
+++ b/parsing.c
@@ -146,13 +146,13 @@ void cgit_parse_url(const char *url)
 	cgit_repo = NULL;
 	if (!url || url[0] == '\0')
 		return;
 
 	cgit_repo = cgit_get_repoinfo(url);
 	if (cgit_repo) {
-		cgit_query_repo = cgit_repo->url;
+		ctx.qry.repo = cgit_repo->url;
 		return;
 	}
 
 	cmd = strchr(url, '/');
 	while (!cgit_repo && cmd) {
 		cmd[0] = '\0';
@@ -160,21 +160,21 @@ void cgit_parse_url(const char *url)
 		if (cgit_repo == NULL) {
 			cmd[0] = '/';
 			cmd = strchr(cmd + 1, '/');
 			continue;
 		}
 
-		cgit_query_repo = cgit_repo->url;
+		ctx.qry.repo = cgit_repo->url;
 		p = strchr(cmd + 1, '/');
 		if (p) {
 			p[0] = '\0';
 			if (p[1])
-				cgit_query_path = trim_end(p + 1, '/');
+				ctx.qry.path = trim_end(p + 1, '/');
 		}
 		cgit_cmd = cgit_get_cmd_index(cmd + 1);
-		cgit_query_page = xstrdup(cmd + 1);
+		ctx.qry.page = xstrdup(cmd + 1);
 		return;
 	}
 }
 
 char *substr(const char *head, const char *tail)
 {
diff --git a/shared.c b/shared.c
index f063894..6c1a762 100644
--- a/shared.c
+++ b/shared.c
@@ -7,12 +7,13 @@
  */
 
 #include "cgit.h"
 
 struct repolist cgit_repolist;
 struct repoinfo *cgit_repo;
+struct cgit_context ctx;
 int cgit_cmd;
 
 const char *cgit_version = CGIT_VERSION;
 
 char *cgit_root_title   = "Git repository browser";
 char *cgit_css          = "/cgit.css";
@@ -46,30 +47,14 @@ int cgit_summary_branches      =  0;
 int cgit_renamelimit           = -1;
 
 int cgit_max_msg_len = 60;
 int cgit_max_repodesc_len = 60;
 int cgit_max_commit_count = 50;
 
-int cgit_query_has_symref = 0;
-int cgit_query_has_sha1   = 0;
-
-char *cgit_querystring  = NULL;
-char *cgit_query_repo   = NULL;
-char *cgit_query_page   = NULL;
-char *cgit_query_head   = NULL;
-char *cgit_query_search = NULL;
-char *cgit_query_grep   = NULL;
-char *cgit_query_sha1   = NULL;
-char *cgit_query_sha2   = NULL;
-char *cgit_query_path   = NULL;
-char *cgit_query_name   = NULL;
-int   cgit_query_ofs    = 0;
-
 int htmlfd = 0;
 
-
 int cgit_get_cmd_index(const char *cmd)
 {
 	static char *cmds[] = {"log", "commit", "diff", "tree", "blob",
 			       "snapshot", "tag", "refs", "patch", NULL};
 	int i;
 
@@ -236,38 +221,38 @@ void cgit_global_config_cb(const char *name, const char *value)
 		cgit_read_config(value, cgit_global_config_cb);
 }
 
 void cgit_querystring_cb(const char *name, const char *value)
 {
 	if (!strcmp(name,"r")) {
-		cgit_query_repo = xstrdup(value);
+		ctx.qry.repo = xstrdup(value);
 		cgit_repo = cgit_get_repoinfo(value);
 	} else if (!strcmp(name, "p")) {
-		cgit_query_page = xstrdup(value);
+		ctx.qry.page = xstrdup(value);
 		cgit_cmd = cgit_get_cmd_index(value);
 	} else if (!strcmp(name, "url")) {
 		cgit_parse_url(value);
 	} else if (!strcmp(name, "qt")) {
-		cgit_query_grep = xstrdup(value);
+		ctx.qry.grep = xstrdup(value);
 	} else if (!strcmp(name, "q")) {
-		cgit_query_search = xstrdup(value);
+		ctx.qry.search = xstrdup(value);
 	} else if (!strcmp(name, "h")) {
-		cgit_query_head = xstrdup(value);
-		cgit_query_has_symref = 1;
+		ctx.qry.head = xstrdup(value);
+		ctx.qry.has_symref = 1;
 	} else if (!strcmp(name, "id")) {
-		cgit_query_sha1 = xstrdup(value);
-		cgit_query_has_sha1 = 1;
+		ctx.qry.sha1 = xstrdup(value);
+		ctx.qry.has_sha1 = 1;
 	} else if (!strcmp(name, "id2")) {
-		cgit_query_sha2 = xstrdup(value);
-		cgit_query_has_sha1 = 1;
+		ctx.qry.sha2 = xstrdup(value);
+		ctx.qry.has_sha1 = 1;
 	} else if (!strcmp(name, "ofs")) {
-		cgit_query_ofs = atoi(value);
+		ctx.qry.ofs = atoi(value);
 	} else if (!strcmp(name, "path")) {
-		cgit_query_path = trim_end(value, '/');
+		ctx.qry.path = trim_end(value, '/');
 	} else if (!strcmp(name, "name")) {
-		cgit_query_name = xstrdup(value);
+		ctx.qry.name = xstrdup(value);
 	}
 }
 
 void *cgit_free_commitinfo(struct commitinfo *info)
 {
 	free(info->author);
diff --git a/ui-commit.c b/ui-commit.c
index bd55a33..3b0919b 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -72,13 +72,13 @@ void print_fileinfo(struct fileinfo *info)
 	    !is_null_sha1(info->new_sha1)) {
 		html("<span class='modechange'>[");
 		html_filemode(info->old_mode);
 		html("]</span>");
 	}
 	htmlf("</td><td class='%s'>", class);
-	cgit_diff_link(info->new_path, NULL, NULL, cgit_query_head, curr_rev,
+	cgit_diff_link(info->new_path, NULL, NULL, ctx.qry.head, curr_rev,
 		       NULL, info->new_path);
 	if (info->status == DIFF_STATUS_COPIED || info->status == DIFF_STATUS_RENAMED)
 		htmlf(" (%s from %s)",
 		      info->status == DIFF_STATUS_COPIED ? "copied" : "renamed",
 		      info->old_path);
 	html("</td><td class='right'>");
@@ -140,13 +140,13 @@ void cgit_print_commit(char *hex)
 	struct commit_list *p;
 	unsigned char sha1[20];
 	char *tmp;
 	int i;
 
 	if (!hex)
-		hex = cgit_query_head;
+		hex = ctx.qry.head;
 	curr_rev = hex;
 
 	if (get_sha1(hex, sha1)) {
 		cgit_print_error(fmt("Bad object id: %s", hex));
 		return;
 	}
@@ -172,34 +172,34 @@ void cgit_print_commit(char *hex)
 	html("</td><td class='right'>");
 	cgit_print_date(info->committer_date, FMT_LONGDATE);
 	html("</td></tr>\n");
 	html("<tr><th>tree</th><td colspan='2' class='sha1'>");
 	tmp = xstrdup(hex);
 	cgit_tree_link(sha1_to_hex(commit->tree->object.sha1), NULL, NULL,
-		       cgit_query_head, tmp, NULL);
+		       ctx.qry.head, tmp, NULL);
 	html("</td></tr>\n");
       	for (p = commit->parents; p ; p = p->next) {
 		parent = lookup_commit_reference(p->item->object.sha1);
 		if (!parent) {
 			html("<tr><td colspan='3'>");
 			cgit_print_error("Error reading parent commit");
 			html("</td></tr>");
 			continue;
 		}
 		html("<tr><th>parent</th>"
 		     "<td colspan='2' class='sha1'>");
 		cgit_commit_link(sha1_to_hex(p->item->object.sha1), NULL, NULL,
-				 cgit_query_head, sha1_to_hex(p->item->object.sha1));
+				 ctx.qry.head, sha1_to_hex(p->item->object.sha1));
 		html(" (");
-		cgit_diff_link("diff", NULL, NULL, cgit_query_head, hex,
+		cgit_diff_link("diff", NULL, NULL, ctx.qry.head, hex,
 			       sha1_to_hex(p->item->object.sha1), NULL);
 		html(")</td></tr>");
 	}
 	if (cgit_repo->snapshots) {
 		html("<tr><th>download</th><td colspan='2' class='sha1'>");
-		cgit_print_snapshot_links(cgit_query_repo, cgit_query_head,
+		cgit_print_snapshot_links(ctx.qry.repo, ctx.qry.head,
 					  hex, cgit_repo->snapshots);
 		html("</td></tr>");
 	}
 	html("</table>\n");
 	html("<div class='commit-subject'>");
 	html_txt(info->subject);
@@ -215,12 +215,12 @@ void cgit_print_commit(char *hex)
 		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);
-		cgit_diff_link("show diff", NULL, NULL, cgit_query_head, hex,
+		cgit_diff_link("show diff", NULL, NULL, ctx.qry.head, hex,
 			       NULL, NULL);
 		html(")</div>");
 	}
 	cgit_free_commitinfo(info);
 }
diff --git a/ui-diff.c b/ui-diff.c
index 4fcf852..263a7ba 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -68,19 +68,19 @@ static void header(unsigned char *sha1, char *path1, int mode1,
 			htmlf(" %.6o", mode1);
 			if (mode2 != mode1)
 				htmlf("..%.6o", mode2);
 		}
 		html("<br/>--- a/");
 		if (mode1 != 0)
-			cgit_tree_link(path1, NULL, NULL, cgit_query_head,
+			cgit_tree_link(path1, NULL, NULL, ctx.qry.head,
 				       sha1_to_hex(old_rev_sha1), path1);
 		else
 			html_txt(path1);
 		html("<br/>+++ b/");
 		if (mode2 != 0)
-			cgit_tree_link(path2, NULL, NULL, cgit_query_head,
+			cgit_tree_link(path2, NULL, NULL, ctx.qry.head,
 				       sha1_to_hex(new_rev_sha1), path2);
 		else
 			html_txt(path2);
 	}
 	html("</div>");
 }
@@ -104,13 +104,13 @@ void cgit_print_diff(const char *new_rev, const char *old_rev, const char *prefi
 {
 	enum object_type type;
 	unsigned long size;
 	struct commit *commit, *commit2;
 
 	if (!new_rev)
-		new_rev = cgit_query_head;
+		new_rev = ctx.qry.head;
 	get_sha1(new_rev, new_rev_sha1);
 	type = sha1_object_info(new_rev_sha1, &size);
 	if (type == OBJ_BAD) {
 		cgit_print_error(fmt("Bad object name: %s", new_rev));
 		return;
 	}
diff --git a/ui-log.c b/ui-log.c
index a41d2b2..a39474b 100644
--- a/ui-log.c
+++ b/ui-log.c
@@ -34,13 +34,13 @@ void print_commit(struct commit *commit)
 	struct commitinfo *info;
 
 	info = cgit_parse_commit(commit);
 	html("<tr><td>");
 	cgit_print_age(commit->date, TM_WEEK * 2, FMT_SHORTDATE);
 	html("</td><td>");
-	cgit_commit_link(info->subject, NULL, NULL, cgit_query_head,
+	cgit_commit_link(info->subject, NULL, NULL, ctx.qry.head,
 			 sha1_to_hex(commit->object.sha1));
 	if (cgit_repo->enable_log_filecount) {
 		files = 0;
 		add_lines = 0;
 		rem_lines = 0;
 		cgit_diff_commit(commit, inspect_files);
@@ -64,13 +64,13 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 	struct commit *commit;
 	const char *argv[] = {NULL, tip, NULL, NULL, NULL};
 	int argc = 2;
 	int i;
 
 	if (!tip)
-		argv[1] = cgit_query_head;
+		argv[1] = ctx.qry.head;
 
 	if (grep && pattern && (!strcmp(grep, "grep") ||
 				!strcmp(grep, "author") ||
 				!strcmp(grep, "committer")))
 		argv[argc++] = fmt("--%s=%s", grep, pattern);
 
@@ -120,21 +120,21 @@ void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern
 	}
 	html("</table>\n");
 
 	if (pager) {
 		html("<div class='pager'>");
 		if (ofs > 0) {
-			cgit_log_link("[prev]", NULL, NULL, cgit_query_head,
-				      cgit_query_sha1, cgit_query_path,
-				      ofs - cnt, cgit_query_grep,
-				      cgit_query_search);
+			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
+				      ctx.qry.sha1, ctx.qry.path,
+				      ofs - cnt, ctx.qry.grep,
+				      ctx.qry.search);
 			html("&nbsp;");
 		}
 		if ((commit = get_revision(&rev)) != NULL) {
-			cgit_log_link("[next]", NULL, NULL, cgit_query_head,
-				      cgit_query_sha1, cgit_query_path,
-				      ofs + cnt, cgit_query_grep,
-				      cgit_query_search);
+			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
+				      ctx.qry.sha1, ctx.qry.path,
+				      ofs + cnt, ctx.qry.grep,
+				      ctx.qry.search);
 		}
 		html("</div>");
 	}
 }
diff --git a/ui-patch.c b/ui-patch.c
index e7a010a..1da0a27 100644
--- a/ui-patch.c
+++ b/ui-patch.c
@@ -73,13 +73,13 @@ void cgit_print_patch(char *hex, struct cacheitem *item)
 	struct commit *commit;
 	struct commitinfo *info;
 	unsigned char sha1[20], old_sha1[20];
 	char *patchname;
 
 	if (!hex)
-		hex = cgit_query_head;
+		hex = ctx.qry.head;
 
 	if (get_sha1(hex, sha1)) {
 		cgit_print_error(fmt("Bad object id: %s", hex));
 		return;
 	}
 	commit = lookup_commit_reference(sha1);
diff --git a/ui-refs.c b/ui-refs.c
index 295f5ba..ba513c1 100644
--- a/ui-refs.c
+++ b/ui-refs.c
@@ -13,15 +13,15 @@
 
 void cgit_print_refs()
 {
 
 	html("<table class='list nowrap'>");
 
-	if (cgit_query_path && !strncmp(cgit_query_path, "heads", 5))
+	if (ctx.qry.path && !strncmp(ctx.qry.path, "heads", 5))
 		cgit_print_branches(0);
-	else if (cgit_query_path && !strncmp(cgit_query_path, "tags", 4))
+	else if (ctx.qry.path && !strncmp(ctx.qry.path, "tags", 4))
 		cgit_print_tags(0);
 	else {
 		cgit_print_branches(0);
 		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
 		cgit_print_tags(0);
 	}
diff --git a/ui-shared.c b/ui-shared.c
index 60aa2e3..6a41fb0 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -109,16 +109,16 @@ const char *cgit_repobasename(const char *reponame)
 }
 
 char *cgit_currurl()
 {
 	if (!cgit_virtual_root)
 		return cgit_script_name;
-	else if (cgit_query_page)
-		return fmt("%s/%s/%s/", cgit_virtual_root, cgit_query_repo, cgit_query_page);
-	else if (cgit_query_repo)
-		return fmt("%s/%s/", cgit_virtual_root, cgit_query_repo);
+	else if (ctx.qry.page)
+		return fmt("%s/%s/%s/", cgit_virtual_root, ctx.qry.repo, ctx.qry.page);
+	else if (ctx.qry.repo)
+		return fmt("%s/%s/", cgit_virtual_root, ctx.qry.repo);
 	else
 		return fmt("%s/", cgit_virtual_root);
 }
 
 static char *repolink(char *title, char *class, char *page, char *head,
 		      char *path)
@@ -176,13 +176,13 @@ static char *repolink(char *title, char *class, char *page, char *head,
 static void reporevlink(char *page, char *name, char *title, char *class,
 			char *head, char *rev, char *path)
 {
 	char *delim;
 
 	delim = repolink(title, class, page, head, path);
-	if (rev && strcmp(rev, cgit_query_head)) {
+	if (rev && strcmp(rev, ctx.qry.head)) {
 		html(delim);
 		html("id=");
 		html_attr(rev);
 	}
 	html("'>");
 	html_txt(name);
@@ -198,13 +198,13 @@ void cgit_tree_link(char *name, char *title, char *class, char *head,
 void cgit_log_link(char *name, char *title, char *class, char *head,
 		   char *rev, char *path, int ofs, char *grep, char *pattern)
 {
 	char *delim;
 
 	delim = repolink(title, class, "log", head, path);
-	if (rev && strcmp(rev, cgit_query_head)) {
+	if (rev && strcmp(rev, ctx.qry.head)) {
 		html(delim);
 		html("id=");
 		html_attr(rev);
 		delim = "&";
 	}
 	if (grep && pattern) {
@@ -253,13 +253,13 @@ void cgit_snapshot_link(char *name, char *title, char *class, char *head,
 void cgit_diff_link(char *name, char *title, char *class, char *head,
 		    char *new_rev, char *old_rev, char *path)
 {
 	char *delim;
 
 	delim = repolink(title, class, "diff", head, path);
-	if (new_rev && strcmp(new_rev, cgit_query_head)) {
+	if (new_rev && strcmp(new_rev, ctx.qry.head)) {
 		html(delim);
 		html("id=");
 		html_attr(new_rev);
 		delim = "&amp;";
 	}
 	if (old_rev) {
@@ -281,26 +281,26 @@ void cgit_patch_link(char *name, char *title, char *class, char *head,
 void cgit_object_link(struct object *obj)
 {
 	char *page, *arg, *url;
 
 	if (obj->type == OBJ_COMMIT) {
                 cgit_commit_link(fmt("commit %s", sha1_to_hex(obj->sha1)), NULL, NULL,
-				 cgit_query_head, sha1_to_hex(obj->sha1));
+				 ctx.qry.head, sha1_to_hex(obj->sha1));
 		return;
 	} else if (obj->type == OBJ_TREE) {
 		page = "tree";
 		arg = "id";
 	} else if (obj->type == OBJ_TAG) {
 		page = "tag";
 		arg = "id";
 	} else {
 		page = "blob";
 		arg = "id";
 	}
 
-	url = cgit_pageurl(cgit_query_repo, page,
+	url = cgit_pageurl(ctx.qry.repo, page,
 			   fmt("%s=%s", arg, sha1_to_hex(obj->sha1)));
 	html_link_open(url, NULL, NULL);
 	htmlf("%s %s", typename(obj->type),
 	      sha1_to_hex(obj->sha1));
 	html_link_close();
 }
@@ -389,13 +389,13 @@ void cgit_print_docend()
 }
 
 int print_branch_option(const char *refname, const unsigned char *sha1,
 			int flags, void *cb_data)
 {
 	char *name = (char *)refname;
-	html_option(name, name, cgit_query_head);
+	html_option(name, name, ctx.qry.head);
 	return 0;
 }
 
 int print_archive_ref(const char *refname, const unsigned char *sha1,
 		       int flags, void *cb_data)
 {
@@ -423,13 +423,13 @@ int print_archive_ref(const char *refname, const unsigned char *sha1,
 		hashcpy(fileid, sha1);
 	}
 	if (!*header) {
 		html("<h1>download</h1>\n");
 		*header = 1;
 	}
-	url = cgit_pageurl(cgit_query_repo, "blob",
+	url = cgit_pageurl(ctx.qry.repo, "blob",
 			   fmt("id=%s&amp;path=%s", sha1_to_hex(fileid),
 			       buf));
 	html_link_open(url, NULL, "menu");
 	html_txt(strlpart(buf, 20));
 	html_link_close();
 	return 0;
@@ -437,31 +437,31 @@ int print_archive_ref(const char *refname, const unsigned char *sha1,
 
 void add_hidden_formfields(int incl_head, int incl_search, char *page)
 {
 	char *url;
 
 	if (!cgit_virtual_root) {
-		url = fmt("%s/%s", cgit_query_repo, page);
-		if (cgit_query_path)
-			url = fmt("%s/%s", url, cgit_query_path);
+		url = fmt("%s/%s", ctx.qry.repo, page);
+		if (ctx.qry.path)
+			url = fmt("%s/%s", url, ctx.qry.path);
 		html_hidden("url", url);
 	}
 
-	if (incl_head && strcmp(cgit_query_head, cgit_repo->defbranch))
-		html_hidden("h", cgit_query_head);
+	if (incl_head && strcmp(ctx.qry.head, cgit_repo->defbranch))
+		html_hidden("h", ctx.qry.head);
 
-	if (cgit_query_sha1)
-		html_hidden("id", cgit_query_sha1);
-	if (cgit_query_sha2)
-		html_hidden("id2", cgit_query_sha2);
+	if (ctx.qry.sha1)
+		html_hidden("id", ctx.qry.sha1);
+	if (ctx.qry.sha2)
+		html_hidden("id2", ctx.qry.sha2);
 
 	if (incl_search) {
-		if (cgit_query_grep)
-			html_hidden("qt", cgit_query_grep);
-		if (cgit_query_search)
-			html_hidden("q", cgit_query_search);
+		if (ctx.qry.grep)
+			html_hidden("qt", ctx.qry.grep);
+		if (ctx.qry.search)
+			html_hidden("q", ctx.qry.search);
 	}
 }
 
 void cgit_print_pageheader(char *title, int show_search)
 {
 	static const char *default_info = "This is cgit, a fast webinterface for git repositories";
@@ -473,34 +473,34 @@ void cgit_print_pageheader(char *title, int show_search)
 	html("<table class='sidebar' cellspacing='0' summary=''>\n");
 	html("<tr><td class='sidebar'>\n<a href='");
 	html_attr(cgit_rooturl());
 	htmlf("'><img src='%s' alt='cgit'/></a>\n",
 	      cgit_logo);
 	html("</td></tr>\n<tr><td class='sidebar'>\n");
-	if (cgit_query_repo) {
+	if (ctx.qry.repo) {
 		html("<h1 class='first'>");
 		html_txt(strrpart(cgit_repo->name, 20));
 		html("</h1>\n");
 		html_txt(cgit_repo->desc);
 		if (cgit_repo->owner) {
 			html("<h1>owner</h1>\n");
 			html_txt(cgit_repo->owner);
 		}
 		html("<h1>navigate</h1>\n");
-		reporevlink(NULL, "summary", NULL, "menu", cgit_query_head,
+		reporevlink(NULL, "summary", NULL, "menu", ctx.qry.head,
 			    NULL, NULL);
-		cgit_log_link("log", NULL, "menu", cgit_query_head, NULL, NULL,
+		cgit_log_link("log", NULL, "menu", ctx.qry.head, NULL, NULL,
 			      0, NULL, NULL);
-		cgit_tree_link("tree", NULL, "menu", cgit_query_head,
-			       cgit_query_sha1, NULL);
-		cgit_commit_link("commit", NULL, "menu", cgit_query_head,
-			      cgit_query_sha1);
-		cgit_diff_link("diff", NULL, "menu", cgit_query_head,
-			       cgit_query_sha1, cgit_query_sha2, NULL);
-		cgit_patch_link("patch", NULL, "menu", cgit_query_head,
-				cgit_query_sha1);
+		cgit_tree_link("tree", NULL, "menu", ctx.qry.head,
+			       ctx.qry.sha1, NULL);
+		cgit_commit_link("commit", NULL, "menu", ctx.qry.head,
+			      ctx.qry.sha1);
+		cgit_diff_link("diff", NULL, "menu", ctx.qry.head,
+			       ctx.qry.sha1, ctx.qry.sha2, NULL);
+		cgit_patch_link("patch", NULL, "menu", ctx.qry.head,
+				ctx.qry.sha1);
 
 		for_each_ref(print_archive_ref, &header);
 
 		if (cgit_repo->clone_url || cgit_clone_prefix) {
 			html("<h1>clone</h1>\n");
 			if (cgit_repo->clone_url)
@@ -516,36 +516,36 @@ void cgit_print_pageheader(char *title, int show_search)
 			html_txt(strrpart(url, 20));
 			html("</a>\n");
 		}
 
 		html("<h1>branch</h1>\n");
 		html("<form method='get' action=''>\n");
-		add_hidden_formfields(0, 1, cgit_query_page);
+		add_hidden_formfields(0, 1, ctx.qry.page);
 //		html("<table summary='branch selector' class='grid'><tr><td id='branch-dropdown-cell'>");
 		html("<select name='h' onchange='this.form.submit();'>\n");
-		for_each_branch_ref(print_branch_option, cgit_query_head);
+		for_each_branch_ref(print_branch_option, ctx.qry.head);
 		html("</select>\n");
 //		html("</td><td>");
 		html("<noscript><input type='submit' id='switch-btn' value='switch'/></noscript>\n");
 //		html("</td></tr></table>");
 		html("</form>\n");
 
 		html("<h1>search</h1>\n");
 		html("<form method='get' action='");
 		if (cgit_virtual_root)
-			html_attr(cgit_fileurl(cgit_query_repo, "log",
-					       cgit_query_path, NULL));
+			html_attr(cgit_fileurl(ctx.qry.repo, "log",
+					       ctx.qry.path, NULL));
 		html("'>\n");
 		add_hidden_formfields(1, 0, "log");
 		html("<select name='qt'>\n");
-		html_option("grep", "log msg", cgit_query_grep);
-		html_option("author", "author", cgit_query_grep);
-		html_option("committer", "committer", cgit_query_grep);
+		html_option("grep", "log msg", ctx.qry.grep);
+		html_option("author", "author", ctx.qry.grep);
+		html_option("committer", "committer", ctx.qry.grep);
 		html("</select>\n");
 		html("<input class='txt' type='text' name='q' value='");
-		html_attr(cgit_query_search);
+		html_attr(ctx.qry.search);
 		html("'/>\n");
 		html("</form>\n");
 	} else {
 		if (!cgit_index_info || html_include(cgit_index_info))
 			html(default_info);
 	}
diff --git a/ui-summary.c b/ui-summary.c
index b96414e..bbd4464 100644
--- a/ui-summary.c
+++ b/ui-summary.c
@@ -91,13 +91,13 @@ static int print_tag(struct refinfo *ref)
 	if (ref->object->type == OBJ_TAG) {
 		tag = (struct tag *)ref->object;
 		info = ref->tag;
 		if (!tag || !info)
 			return 1;
 		html("<tr><td>");
-		url = cgit_pageurl(cgit_query_repo, "tag",
+		url = cgit_pageurl(ctx.qry.repo, "tag",
 				   fmt("id=%s", name));
 		html_link_open(url, NULL, NULL);
 		html_txt(name);
 		html_link_close();
 		html("</td><td>");
 		if (info->tagger_date > 0)
@@ -120,13 +120,13 @@ static int print_tag(struct refinfo *ref)
 	return 0;
 }
 
 static void print_refs_link(char *path)
 {
 	html("<tr class='nohover'><td colspan='4'>");
-	cgit_refs_link("[...]", NULL, NULL, cgit_query_head, NULL, path);
+	cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
 	html("</td></tr>");
 }
 
 void cgit_print_branches(int maxcount)
 {
 	struct reflist list;
@@ -185,13 +185,13 @@ void cgit_print_summary()
 	if (cgit_repo->readme) {
 		html("<div id='summary'>");
 		html_include(cgit_repo->readme);
 		html("</div>");
 	}
 	if (cgit_summary_log > 0)
-		cgit_print_log(cgit_query_head, 0, cgit_summary_log, NULL,
+		cgit_print_log(ctx.qry.head, 0, cgit_summary_log, NULL,
 			       NULL, NULL, 0);
 	html("<table summary='repository info' class='list nowrap'>");
 	if (cgit_summary_log > 0)
 		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
 	cgit_print_branches(cgit_summary_branches);
 	html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
diff --git a/ui-tree.c b/ui-tree.c
index c138877..7cae85a 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -31,13 +31,13 @@ static void print_object(const unsigned char *sha1, char *path)
 		cgit_print_error(fmt("Error reading object %s",
 				     sha1_to_hex(sha1)));
 		return;
 	}
 
 	html(" blob: <a href='");
-	html_attr(cgit_pageurl(cgit_query_repo, "blob", fmt("id=%s", sha1_to_hex(sha1))));
+	html_attr(cgit_pageurl(ctx.qry.repo, "blob", fmt("id=%s", sha1_to_hex(sha1))));
 	htmlf("'>%s</a>",sha1_to_hex(sha1));
 
 	html("<table summary='blob content' class='blob'>\n");
 	idx = 0;
 	start = 0;
 	lineno = 0;
@@ -64,14 +64,14 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 	char *name;
 	char *fullpath;
 	enum object_type type;
 	unsigned long size = 0;
 
 	name = xstrdup(pathname);
-	fullpath = fmt("%s%s%s", cgit_query_path ? cgit_query_path : "",
-		       cgit_query_path ? "/" : "", name);
+	fullpath = fmt("%s%s%s", ctx.qry.path ? ctx.qry.path : "",
+		       ctx.qry.path ? "/" : "", name);
 
 	type = sha1_object_info(sha1, &size);
 	if (type == OBJ_BAD && !S_ISGITLINK(mode)) {
 		htmlf("<tr><td colspan='3'>Bad object: %s %s</td></tr>",
 		      name,
 		      sha1_to_hex(sha1));
@@ -87,22 +87,22 @@ static int ls_item(const unsigned char *sha1, const char *base, int baselen,
 			      name,
 			      sha1_to_hex(sha1)));
 		html("'>");
 		html_txt(name);
 		html("</a>");
 	} else if (S_ISDIR(mode)) {
-		cgit_tree_link(name, NULL, "ls-dir", cgit_query_head,
+		cgit_tree_link(name, NULL, "ls-dir", ctx.qry.head,
 			       curr_rev, fullpath);
 	} else {
-		cgit_tree_link(name, NULL, "ls-blob", cgit_query_head,
+		cgit_tree_link(name, NULL, "ls-blob", ctx.qry.head,
 			       curr_rev, fullpath);
 	}
 	htmlf("</td><td class='ls-size'>%li</td>", size);
 
 	html("<td>");
-	cgit_log_link("log", NULL, "button", cgit_query_head, curr_rev,
+	cgit_log_link("log", NULL, "button", ctx.qry.head, curr_rev,
 		      fullpath, 0, NULL, NULL);
 	html("</td></tr>\n");
 	free(name);
 	return 0;
 }
 
@@ -150,16 +150,16 @@ static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
 	static char buffer[PATH_MAX];
 	char *url;
 
 	if (state == 0) {
 		memcpy(buffer, base, baselen);
 		strcpy(buffer+baselen, pathname);
-		url = cgit_pageurl(cgit_query_repo, "tree",
+		url = cgit_pageurl(ctx.qry.repo, "tree",
 				   fmt("h=%s&amp;path=%s", curr_rev, buffer));
 		html("/");
-		cgit_tree_link(xstrdup(pathname), NULL, NULL, cgit_query_head,
+		cgit_tree_link(xstrdup(pathname), NULL, NULL, ctx.qry.head,
 			       curr_rev, buffer);
 
 		if (strcmp(match_path, buffer))
 			return READ_TREE_RECURSIVE;
 
 		if (S_ISDIR(mode)) {
@@ -185,13 +185,13 @@ void cgit_print_tree(const char *rev, char *path)
 {
 	unsigned char sha1[20];
 	struct commit *commit;
 	const char *paths[] = {path, NULL};
 
 	if (!rev)
-		rev = cgit_query_head;
+		rev = ctx.qry.head;
 
 	curr_rev = xstrdup(rev);
 	if (get_sha1(rev, sha1)) {
 		cgit_print_error(fmt("Invalid revision name: %s", rev));
 		return;
 	}
@@ -199,13 +199,13 @@ void cgit_print_tree(const char *rev, char *path)
 	if (!commit || parse_commit(commit)) {
 		cgit_print_error(fmt("Invalid commit reference: %s", rev));
 		return;
 	}
 
 	html("path: <a href='");
-	html_attr(cgit_pageurl(cgit_query_repo, "tree", fmt("h=%s", rev)));
+	html_attr(cgit_pageurl(ctx.qry.repo, "tree", fmt("h=%s", rev)));
 	html("'>root</a>");
 
 	if (path == NULL) {
 		ls_tree(commit->tree->object.sha1, NULL);
 		return;
 	}