Move refdb_backend to include/git2/sys

This moves most of the refdb stuff over to the include/git2/sys
directory, with some minor shifts in function organization.

While I was making the necessary updates, I also removed the
trailing whitespace in a few files that I modified just because I
was there and it was bugging me.

1 files changed, 15 insertions, 15 deletions

diff --git a/src/refdb_fs.c b/src/refdb_fs.c
index 56b2b6a99..4d5d6006d 100644
--- a/src/refdb_fs.c
+++ b/src/refdb_fs.c
@@ -18,7 +18,7 @@
 #include <git2/tag.h>
 #include <git2/object.h>
 #include <git2/refdb.h>
-#include <git2/refdb_backend.h>
+#include <git2/sys/refdb_backend.h>
 
 GIT__USE_STRMAP;
 
@@ -61,7 +61,7 @@ static int reference_read(
 	/* Determine the full path of the file */
 	if (git_buf_joinpath(&path, repo_path, ref_name) < 0)
 		return -1;
-	
+
 	result = git_futils_readbuffer_updated(file_content, path.ptr, mtime, NULL, updated);
 	git_buf_free(&path);
 
@@ -174,7 +174,7 @@ static int packed_load(refdb_fs_backend *backend)
 		ref_cache->packfile = git_strmap_alloc();
 		GITERR_CHECK_ALLOC(ref_cache->packfile);
 	}
-	
+
 	result = reference_read(&packfile, &ref_cache->packfile_time,
 		backend->path, GIT_PACKEDREFS_FILE, &updated);
 
@@ -192,7 +192,7 @@ static int packed_load(refdb_fs_backend *backend)
 
 	if (result < 0)
 		return -1;
-	
+
 	if (!updated)
 		return 0;
 
@@ -433,7 +433,7 @@ static int loose_lookup(
 	} else {
 		if ((error = loose_parse_oid(&oid, &ref_file)) < 0)
 			goto done;
-		
+
 		*out = git_reference__alloc(ref_name, &oid, NULL);
 	}
 
@@ -455,19 +455,19 @@ static int packed_map_entry(
 
 	if (packed_load(backend) < 0)
 		return -1;
-	
+
 	/* Look up on the packfile */
 	packfile_refs = backend->refcache.packfile;
 
 	*pos = git_strmap_lookup_index(packfile_refs, ref_name);
-	
+
 	if (!git_strmap_valid_index(packfile_refs, *pos)) {
 		giterr_set(GITERR_REFERENCE, "Reference '%s' not found", ref_name);
 		return GIT_ENOTFOUND;
 	}
 
 	*entry = git_strmap_value_at(packfile_refs, *pos);
-	
+
 	return 0;
 }
 
@@ -479,14 +479,14 @@ static int packed_lookup(
 	struct packref *entry;
 	khiter_t pos;
 	int error = 0;
-	
+
 	if ((error = packed_map_entry(&entry, &pos, backend, ref_name)) < 0)
 		return error;
 
 	if ((*out = git_reference__alloc(ref_name,
 		&entry->oid, &entry->peel)) == NULL)
 		return -1;
-	
+
 	return 0;
 }
 
@@ -582,7 +582,7 @@ static int refdb_fs_backend__foreach(
 	git_buf refs_path = GIT_BUF_INIT;
 	const char *ref_name;
 	void *ref = NULL;
-	
+
 	GIT_UNUSED(ref);
 
 	assert(_backend);
@@ -590,7 +590,7 @@ static int refdb_fs_backend__foreach(
 
 	if (packed_load(backend) < 0)
 		return -1;
-	
+
 	/* list all the packed references first */
 	if (list_type & GIT_REF_OID) {
 		git_strmap_foreach(backend->refcache.packfile, ref_name, ref, {
@@ -924,7 +924,7 @@ static int refdb_fs_backend__delete(
 	repo = backend->repo;
 
 	/* If a loose reference exists, remove it from the filesystem */
-	
+
 	if (git_buf_joinpath(&loose_path, repo->path_repository, ref->name) < 0)
 		return -1;
 
@@ -932,7 +932,7 @@ static int refdb_fs_backend__delete(
 		error = p_unlink(loose_path.ptr);
 		loose_deleted = 1;
 	}
-	
+
 	git_buf_free(&loose_path);
 
 	if (error != 0)
@@ -946,7 +946,7 @@ static int refdb_fs_backend__delete(
 
 		error = packed_write(backend);
 	}
-	
+
 	if (pack_error == GIT_ENOTFOUND)
 		error = loose_deleted ? 0 : GIT_ENOTFOUND;
 	else