Merge branch 'bc/sha1-256-interop-02'

The code to maintain mapping between object names in multiple hash
functions is being added, written in Rust.

* bc/sha1-256-interop-02:
  object-file-convert: always make sure object ID algo is valid
  rust: add a small wrapper around the hashfile code
  rust: add a new binary object map format
  rust: add functionality to hash an object
  rust: add a build.rs script for tests
  rust: fix linking binaries with cargo
  hash: expose hash context functions to Rust
  write-or-die: add an fsync component for the object map
  csum-file: define hashwrite's count as a uint32_t
  rust: add additional helpers for ObjectID
  hash: add a function to look up hash algo structs
  rust: add a hash algorithm abstraction
  rust: add a ObjectID struct
  hash: use uint32_t for object_id algorithm
  conversion: don't crash when no destination algo
  repository: require Rust support for interoperability

1 files changed, 4 insertions, 0 deletions

diff --git a/t/test-lib.sh b/t/test-lib.sh
index dd12b0bdb6..70fd3e9baf 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -1901,6 +1901,10 @@ test_lazy_prereq LONG_IS_64BIT '
 	test 8 -le "$(build_option sizeof-long)"
 '
 
+test_lazy_prereq RUST '
+	test "$(build_option rust)" = enabled
+'
+
 test_lazy_prereq TIME_IS_64BIT 'test-tool date is64bit'
 test_lazy_prereq TIME_T_IS_64BIT 'test-tool date time_t-is64bit'