Checkout: add head- and ref-centric checkouts.

Renamed git_checkout_index to what it really was,
and removed duplicate code from clone.c. Added
git_checkout_ref, which updates HEAD and hands off
to git_checkout_head.

Added tests for the options the caller can pass to
git_checkout_*.

1 files changed, 14 insertions, 9 deletions

diff --git a/include/git2/checkout.h b/include/git2/checkout.h
index 7a32cffa8..78367c29f 100644
--- a/include/git2/checkout.h
+++ b/include/git2/checkout.h
@@ -35,26 +35,31 @@ typedef struct git_checkout_opts {
 } git_checkout_opts;
 
 /**
- * Updates files in the working tree to match the index.
+ * Updates files in the working tree to match the commit pointed to by HEAD.
  *
  * @param repo repository to check out (must be non-bare)
  * @param opts specifies checkout options (may be NULL)
+ * @param stats structure through which progress information is reported
  * @return 0 on success, GIT_ERROR otherwise (use git_error_last for information about the error)
  */
-GIT_EXTERN(int) git_checkout_index(git_repository *repo,
-											  git_checkout_opts *opts,
-											  git_indexer_stats *stats);
+GIT_EXTERN(int) git_checkout_head(git_repository *repo,
+											 git_checkout_opts *opts,
+											 git_indexer_stats *stats);
+
+
 
 /**
- * Updates files in the working tree to match the commit pointed to by HEAD.
+ * Updates files in the working tree to match a commit pointed to by a ref.
  *
- * @param repo repository to check out (must be non-bare)
+ * @param ref reference to follow to a commit
  * @param opts specifies checkout options (may be NULL)
+ * @param stats structure through which progress information is reported
  * @return 0 on success, GIT_ERROR otherwise (use git_error_last for information about the error)
  */
-GIT_EXTERN(int) git_checkout_head(git_repository *repo,
-											 git_checkout_opts *opts,
-											 git_indexer_stats *stats);
+GIT_EXTERN(int) git_checkout_reference(git_reference *ref,
+													git_checkout_opts *opts,
+													git_indexer_stats *stats);
+
 
 /** @} */
 GIT_END_DECL