Add support for downloading single blobs

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

1 files changed, 31 insertions, 0 deletions

diff --git a/ui-blob.c b/ui-blob.c
new file mode 100644
index 0000000..f5b844b
--- /dev/null
+++ b/ui-blob.c
@@ -0,0 +1,31 @@
+#include "cgit.h"
+
+void cgit_print_blob(struct cacheitem *item, const char *hex, char *path)
+{
+
+        unsigned char sha1[20];
+        enum object_type type;
+        unsigned char *buf;
+        unsigned long size;
+
+        if (get_sha1_hex(hex, sha1)){
+                cgit_print_error(fmt("Bad hex value: %s", hex));
+                return;
+        }
+
+        type = sha1_object_info(sha1, &size);
+        if (type == OBJ_BAD) {
+                cgit_print_error(fmt("Bad object name: %s", hex));
+                return;
+        }
+
+        buf = read_sha1_file(sha1, &type, &size);
+        if (!buf) {
+                cgit_print_error(fmt("Error reading object %s", hex));
+                return;
+        }
+
+        buf[size] = '\0';
+        cgit_print_snapshot_start("text/plain", path, item);
+        write(htmlfd, buf, size);
+}