Merge branch 'ds/omit-trailing-hash-in-index'

Introduce an optional configuration to allow the trailing hash that
protects the index file from bit flipping.

* ds/omit-trailing-hash-in-index:
  features: feature.manyFiles implies fast index writes
  test-lib-functions: add helper for trailing hash
  read-cache: add index.skipHash config option
  hashfile: allow skipping the hash function

1 files changed, 7 insertions, 0 deletions

diff --git a/csum-file.h b/csum-file.h
index 0d29f528fb..793a59da12 100644
--- a/csum-file.h
+++ b/csum-file.h
@@ -20,6 +20,13 @@ struct hashfile {
 	size_t buffer_len;
 	unsigned char *buffer;
 	unsigned char *check_buffer;
+
+	/**
+	 * If non-zero, skip_hash indicates that we should
+	 * not actually compute the hash for this hashfile and
+	 * instead only use it as a buffered write.
+	 */
+	int skip_hash;
 };
 
 /* Checkpoint */