Merge branch 'db/checkout'

* db/checkout: (21 commits)
  checkout: error out when index is unmerged even with -m
  checkout: show progress when checkout takes long time while switching branches
  Add merge-subtree back
  checkout: updates to tracking report
  builtin-checkout.c: Remove unused prefix arguments in switch_branches path
  checkout: work from a subdirectory
  checkout: tone down the "forked status" diagnostic messages
  Clean up reporting differences on branch switch
  builtin-checkout.c: fix possible usage segfault
  checkout: notice when the switched branch is behind or forked
  Build in checkout
  Move code to clean up after a branch change to branch.c
  Library function to check for unmerged index entries
  Use diff -u instead of diff in t7201
  Move create_branch into a library file
  Build-in merge-recursive
  Add "skip_unmerged" option to unpack_trees.
  Discard "deleted" cache entries after using them to update the working tree
  Send unpack-trees debugging output to stderr
  Add flag to make unpack_trees() not print errors.
  ...

Conflicts:

	Makefile

1 files changed, 20 insertions, 0 deletions

diff --git a/merge-recursive.h b/merge-recursive.h
new file mode 100644
index 000000000..f37630a8a
--- /dev/null
+++ b/merge-recursive.h
@@ -0,0 +1,20 @@
+#ifndef MERGE_RECURSIVE_H
+#define MERGE_RECURSIVE_H
+
+int merge_recursive(struct commit *h1,
+		    struct commit *h2,
+		    const char *branch1,
+		    const char *branch2,
+		    struct commit_list *ancestors,
+		    struct commit **result);
+
+int merge_trees(struct tree *head,
+		struct tree *merge,
+		struct tree *common,
+		const char *branch1,
+		const char *branch2,
+		struct tree **result);
+
+struct tree *write_tree_from_memory(void);
+
+#endif