packed_ref_store: implement reference transactions

diff --git a/convert.h b/convert.h
index cecf59d1aa15f234473dc16520c0a6647e255280..4f2da225a8926f92e465c7dea27cdc4589864e1f 100644 (file)
--- a/convert.h
+++ b/convert.h
@@ -4,13 +4,16 @@
 #ifndef CONVERT_H
 #define CONVERT_H
 
+#include "string-list.h"
+
 struct index_state;
 
 enum safe_crlf {
        SAFE_CRLF_FALSE = 0,
        SAFE_CRLF_FAIL = 1,
        SAFE_CRLF_WARN = 2,
-       SAFE_CRLF_RENORMALIZE = 3
+       SAFE_CRLF_RENORMALIZE = 3,
+       SAFE_CRLF_KEEP_CRLF = 4
 };
 
 extern enum safe_crlf safe_crlf;
@@ -34,6 +37,26 @@ enum eol {
 #endif
 };
 
+enum ce_delay_state {
+       CE_NO_DELAY = 0,
+       CE_CAN_DELAY = 1,
+       CE_RETRY = 2
+};
+
+struct delayed_checkout {
+       /*
+        * State of the currently processed cache entry. If the state is
+        * CE_CAN_DELAY, then the filter can delay the current cache entry.
+        * If the state is CE_RETRY, then this signals the filter that the
+        * cache entry was requested before.
+        */
+       enum ce_delay_state state;
+       /* List of filter drivers that signaled delayed blobs. */
+       struct string_list filters;
+       /* List of delayed blobs identified by their path. */
+       struct string_list paths;
+};
+
 extern enum eol core_eol;
 extern const char *get_cached_convert_stats_ascii(const struct index_state *istate,
                                                  const char *path);
@@ -46,6 +69,10 @@ extern int convert_to_git(const struct index_state *istate,
                          struct strbuf *dst, enum safe_crlf checksafe);
 extern int convert_to_working_tree(const char *path, const char *src,
                                   size_t len, struct strbuf *dst);
+extern int async_convert_to_working_tree(const char *path, const char *src,
+                                        size_t len, struct strbuf *dst,
+                                        void *dco);
+extern int async_query_available_blobs(const char *cmd, struct string_list *available_paths);
 extern int renormalize_buffer(const struct index_state *istate,
                              const char *path, const char *src, size_t len,
                              struct strbuf *dst);