Allow for creating raw diffs with cgit_print_diff()

This adds a parameter to cgit_print_diff() to create raw diffs, using
the same format as `git diff <commit>`.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>

1 files changed, 9 insertions, 1 deletions

diff --git a/ui-diff.c b/ui-diff.c
index 8b38209..838db8c 100644
--- a/ui-diff.c
+++ b/ui-diff.c
@@ -358,7 +358,7 @@ void cgit_print_diff_ctrls()
 }
 
 void cgit_print_diff(const char *new_rev, const char *old_rev,
-                     const char *prefix, int show_ctrls)
+                     const char *prefix, int show_ctrls, int raw)
 {
         enum object_type type;
         unsigned long size;
@@ -398,6 +398,14 @@ void cgit_print_diff(const char *new_rev, const char *old_rev,
                 }
         }
 
+        if (raw) {
+                ctx.page.mimetype = "text/plain";
+                cgit_print_http_headers(&ctx);
+                cgit_diff_tree(old_rev_sha1, new_rev_sha1, filepair_cb_raw,
+                               prefix, 0);
+                return;
+        }
+
         use_ssdiff = ctx.qry.has_ssdiff ? ctx.qry.ssdiff : ctx.cfg.ssdiff;
 
         if (show_ctrls)