Merge tag 'v2.41.0-rc0'

Git 2.41-rc0

* tag 'v2.41.0-rc0': (508 commits)
  Git 2.41-rc0
  t5583: fix shebang line
  merge-tree: load default git config
  fetch: introduce machine-parseable "porcelain" output format
  fetch: move option related variables into main function
  fetch: lift up parsing of "fetch.output" config variable
  fetch: introduce `display_format` enum
  fetch: refactor calculation of the display table width
  fetch: print left-hand side when fetching HEAD:foo
  fetch: add a test to exercise invalid output formats
  fetch: split out tests for output format
  fetch: fix `--no-recurse-submodules` with multi-remote fetches
  The eighteenth batch
  The seventeenth batch
  diff-files: integrate with sparse index
  t1092: add tests for `git diff-files`
  test: rev-parse-upstream: add missing cmp
  t: drop "verbose" helper function
  t7001: use "ls-files --format" instead of "cut"
  t7001: avoid git on upstream of pipe
  ...

1 files changed, 15 insertions, 1 deletions

diff --git a/tree-diff.c b/tree-diff.c
index 69031d7cba..20bb15f38d 100644
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -1,10 +1,24 @@
 /*
  * Helper functions for tree diff generation
  */
-#include "cache.h"
+#include "git-compat-util.h"
 #include "diff.h"
 #include "diffcore.h"
 #include "tree.h"
+#include "tree-walk.h"
+
+/*
+ * Some mode bits are also used internally for computations.
+ *
+ * They *must* not overlap with any valid modes, and they *must* not be emitted
+ * to outside world - i.e. appear on disk or network. In other words, it's just
+ * temporary fields, which we internally use, but they have to stay in-house.
+ *
+ * ( such approach is valid, as standard S_IF* fits into 16 bits, and in Git
+ *   codebase mode is `unsigned int` which is assumed to be at least 32 bits )
+ */
+
+#define S_DIFFTREE_IFXMIN_NEQ	0x80000000
 
 /*
  * internal mode marker, saying a tree entry != entry of tp[imin]