Merge branch 'nd/the-index'

Various codepaths in the core-ish part learn to work on an
arbitrary in-core index structure, not necessarily the default
instance "the_index".

* nd/the-index: (23 commits)
  revision.c: reduce implicit dependency the_repository
  revision.c: remove implicit dependency on the_index
  ws.c: remove implicit dependency on the_index
  tree-diff.c: remove implicit dependency on the_index
  submodule.c: remove implicit dependency on the_index
  line-range.c: remove implicit dependency on the_index
  userdiff.c: remove implicit dependency on the_index
  rerere.c: remove implicit dependency on the_index
  sha1-file.c: remove implicit dependency on the_index
  patch-ids.c: remove implicit dependency on the_index
  merge.c: remove implicit dependency on the_index
  merge-blobs.c: remove implicit dependency on the_index
  ll-merge.c: remove implicit dependency on the_index
  diff-lib.c: remove implicit dependency on the_index
  read-cache.c: remove implicit dependency on the_index
  diff.c: remove implicit dependency on the_index
  grep.c: remove implicit dependency on the_index
  diff.c: remove the_index dependency in textconv() functions
  blame.c: rename "repo" argument to "r"
  combine-diff.c: remove implicit dependency on the_index
  ...

1 files changed, 7 insertions, 3 deletions

diff --git a/rerere.h b/rerere.h
index cd948f28f4..5ad8864b3c 100644
--- a/rerere.h
+++ b/rerere.h
@@ -4,6 +4,7 @@
 #include "string-list.h"
 
 struct pathspec;
+struct repository;
 
 #define RERERE_AUTOUPDATE   01
 #define RERERE_NOAUTOUPDATE 02
@@ -23,7 +24,10 @@ struct rerere_id {
 };
 
 int setup_rerere(struct string_list *, int);
-int rerere(int);
+#ifndef NO_THE_REPOSITORY_COMPATIBILITY_MACROS
+#define rerere(flags) repo_rerere(the_repository, flags)
+#endif
+int repo_rerere(struct repository *, int);
 /*
  * Given the conflict ID and the name of a "file" used for replaying
  * the recorded resolution (e.g. "preimage", "postimage"), return the
@@ -31,8 +35,8 @@ int rerere(int);
  * return the path to the directory that houses these files.
  */
 const char *rerere_path(const struct rerere_id *, const char *file);
-int rerere_forget(struct pathspec *);
-int rerere_remaining(struct string_list *);
+int rerere_forget(struct repository *, struct pathspec *);
+int rerere_remaining(struct repository *, struct string_list *);
 void rerere_clear(struct string_list *);
 void rerere_gc(struct string_list *);