[RFC/PATCH 2/5] Add "source" page

[John Keeping]

We are about to introduce rendering of content for the tree view.  This
source page will allow bypassing the renderer and accessing the content
of the current tree view.

Signed-off-by: John Keeping <john at keeping.me.uk>
---
 cmd.c       |  6 ++++++
 ui-shared.c | 10 ++++++++++
 ui-shared.h |  3 +++
 3 files changed, 19 insertions(+)

diff --git a/cmd.c b/cmd.c
index d280e95..18cc980 100644
--- a/cmd.c
+++ b/cmd.c
@@ -129,6 +129,11 @@ static void refs_fn(void)
 	cgit_print_refs();
 }
 
+static void source_fn(void)
+{
+	cgit_print_tree(ctx.qry.sha1, ctx.qry.path);
+}
+
 static void snapshot_fn(void)
 {
 	cgit_print_snapshot(ctx.qry.head, ctx.qry.sha1, ctx.qry.path,
@@ -177,6 +182,7 @@ struct cgit_cmd *cgit_get_cmd(void)
 		def_cmd(refs, 1, 0, 0),
 		def_cmd(repolist, 0, 0, 0),
 		def_cmd(snapshot, 1, 0, 0),
+		def_cmd(source, 1, 1, 0),
 		def_cmd(stats, 1, 1, 0),
 		def_cmd(summary, 1, 0, 0),
 		def_cmd(tag, 1, 0, 0),
diff --git a/ui-shared.c b/ui-shared.c
index e39d004..36b6108 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -297,6 +297,12 @@ void cgit_tree_link(const char *name, const char *title, const char *class,
 	reporevlink("tree", name, title, class, head, rev, path);
 }
 
+void cgit_source_link(const char *name, const char *title, const char *class,
+		    const char *head, const char *rev, const char *path)
+{
+	reporevlink("source", name, title, class, head, rev, path);
+}
+
 void cgit_plain_link(const char *name, const char *title, const char *class,
 		     const char *head, const char *rev, const char *path)
 {
@@ -476,6 +482,10 @@ static void cgit_self_link(char *name, const char *title, const char *class)
 		cgit_tree_link(name, title, class, ctx.qry.head,
 			       ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
 			       ctx.qry.path);
+	else if (!strcmp(ctx.qry.page, "source"))
+		cgit_source_link(name, title, class, ctx.qry.head,
+				 ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
+				 ctx.qry.path);
 	else if (!strcmp(ctx.qry.page, "plain"))
 		cgit_plain_link(name, title, class, ctx.qry.head,
 				ctx.qry.has_sha1 ? ctx.qry.sha1 : NULL,
diff --git a/ui-shared.h b/ui-shared.h
index 87799f1..0b6b23d 100644
--- a/ui-shared.h
+++ b/ui-shared.h
@@ -23,6 +23,9 @@ extern void cgit_tag_link(const char *name, const char *title,
 extern void cgit_tree_link(const char *name, const char *title,
 			   const char *class, const char *head,
 			   const char *rev, const char *path);
+extern void cgit_source_link(const char *name, const char *title,
+			     const char *class, const char *head,
+			     const char *rev, const char *path);
 extern void cgit_plain_link(const char *name, const char *title,
 			    const char *class, const char *head,
 			    const char *rev, const char *path);
-- 
2.10.0.rc0.142.g1e9f63b