1 files changed, 23 insertions, 0 deletions
diff --git a/src/eval.c b/src/eval.c
index 8bc886a..57bfbb0 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -1,5 +1,25 @@
 #include "eval.h"
 #include "util.h"
+#include <stdint.h>
+
+extern int
+sha1digest(uint8_t *digest, char *hexdigest, const uint8_t *data, size_t databytes);
+
+void
+create_hash(recipe * r)
+{
+  char data[65536] = "\0";
+  
+  for (int i = 0; i < r->in; i++) {
+    strcat(data, r->i[i]->name);
+    strcat(data, r->i[i]->qty);
+  }
+  if (r->sn) {
+    for (int i = 0; i < r->sn; i++)
+      strcat(data, r->s[i]->inst);
+  }
+  sha1digest(NULL, r->sha1, (uint8_t *)data, strlen(data));
+}
 
 recipe *
 eval(recipe * r)
@@ -10,7 +30,10 @@ eval(recipe * r)
   merge_items(_r, r);
   merge_steps(_r, r);
   copy_metadata(_r, r);
+  copy_subrecipes(_r, r);
 
+  create_hash(_r);
+  
   return _r;
 }