Merge remote-tracking branch 'arrbee/minor-paranoia' into development

diff --cc src/config.c
Simple merge

diff --cc src/diff.c
Simple merge

diff --cc src/index.c
Simple merge

diff --cc src/refdb.c
index 359842e4497495b391f91322e11e893dfc017d63,4271b58e418df22441e2b1f685f8b5639251f5e7..6da409aacb8f01e1b0cc732c22137a0b51e226e6
--- 1/src/refdb.c
--- 2/src/refdb.c
+++ b/src/refdb.c
@@@ -86,9 -86,10 +86,10 @@@ int git_refdb_compress(git_refdb *db
        return 0;
  }
  
 -static void refdb_free(git_refdb *db)
 +void git_refdb__free(git_refdb *db)
  {
        refdb_free_backend(db);
+       git__memset(db, 0, sizeof(*db));
        git__free(db);
  }
  

diff --cc src/repository.c
Simple merge

diff --cc src/thread-utils.h
Simple merge

diff --cc src/util.h
Simple merge