Hand the about filter the tree url its links need

With nothing below the about page, a readme's relative links have to be
written against the tree, and only cgit knows how this site spells the
url of a tree page and which ref the readme was read from. Both reach
the filter already escaped for a url, built by the same writer as
cgit's own links.

1 file changed, 8 insertions, 0 deletions

diff --git a/source/ui-shared.h b/source/ui-shared.hindex 93cc9d2..dd90196 100644--- a/source/ui-shared.h+++ b/source/ui-shared.h@@ -32,6 +32,14 @@ extern char *cgit_fileurl(const char *reponame, const char *pagename, const char extern char *cgit_pageurl(const char *reponame, const char *pagename, const char *query);  /*+ * The url of the current repository's tree page at head, split where a path+ * in the tree goes, for a filter to build links of its own from. Both parts+ * are escaped for a url but not for HTML, and query stays empty for the+ * default branch.+ */+extern void cgit_tree_url(const char *head, struct strbuf *base, struct strbuf *query);++/*  * Call fn once for every URL this repository can be cloned from.  */ extern void cgit_add_clone_urls(void (*fn)(const char *));
diff --git a/source/ui-shared.h b/source/ui-shared.h
index 93cc9d2..dd90196 100644
--- a/source/ui-shared.h
+++ b/source/ui-shared.h
@@ -32,6 +32,14 @@ extern char *cgit_fileurl(const char *reponame, const char *pagename, const char
 extern char *cgit_pageurl(const char *reponame, const char *pagename, const char *query);
 
 /*
+ * The url of the current repository's tree page at head, split where a path
+ * in the tree goes, for a filter to build links of its own from. Both parts
+ * are escaped for a url but not for HTML, and query stays empty for the
+ * default branch.
+ */
+extern void cgit_tree_url(const char *head, struct strbuf *base, struct strbuf *query);
+
+/*
  * Call fn once for every URL this repository can be cloned from.
  */
 extern void cgit_add_clone_urls(void (*fn)(const char *));