am f9dd42de: Merge "Don\'t abort on read_file if the file is missing." into klp-dev

* commit 'f9dd42de6034ab09f9fa649ed1fbea25bc05e598':
  Don't abort on read_file if the file is missing.

updater/install.c

@@ -1271,7 +1271,6 @@ Value* Sha1CheckFn(const char* name, State* state, int argc, Expr* argv[]) {
     }
 
     if (args[0]->size < 0) {
-        printf("%s(): no file contents received", name);
         return StringValue(strdup(""));
     }
     uint8_t digest[SHA_DIGEST_SIZE];
@@ -1324,12 +1323,11 @@ Value* ReadFileFn(const char* name, State* state, int argc, Expr* argv[]) {
 
     FileContents fc;
     if (LoadFileContents(filename, &fc, RETOUCH_DONT_MASK) != 0) {
-        ErrorAbort(state, "%s() loading \"%s\" failed: %s",
-                   name, filename, strerror(errno));
         free(filename);
-        free(v);
+        v->size = -1;
+        v->data = NULL;
         free(fc.data);
-        return NULL;
+        return v;
     }
 
     v->size = fc.size;