[PATCHv2 3/6] Move definition of enum branch_track from cache.h to branch.h

[Elijah Newren <newren@gmail.com>]

'branch_track' feels more closely related to branching, and it is
needed later in branch.h; rather than #include'ing cache.h in branch.h
for this small enum, just move the enum and the external declaration
for git_branch_track to branch.h.

Signed-off-by: Elijah Newren <newren@gmail.com>
---
 branch.h      | 11 +++++++++++
 cache.h       | 10 ----------
 config.c      |  1 +
 environment.c |  1 +
 4 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/branch.h b/branch.h
index 7d9b330eba..5cace4581f 100644
--- a/branch.h
+++ b/branch.h
@@ -3,6 +3,17 @@
 
 struct strbuf;
 
+enum branch_track {
+	BRANCH_TRACK_UNSPECIFIED = -1,
+	BRANCH_TRACK_NEVER = 0,
+	BRANCH_TRACK_REMOTE,
+	BRANCH_TRACK_ALWAYS,
+	BRANCH_TRACK_EXPLICIT,
+	BRANCH_TRACK_OVERRIDE
+};
+
+extern enum branch_track git_branch_track;
+
 /* Functions for acting on the information about branches. */
 
 /*
diff --git a/cache.h b/cache.h
index 8dc7134f00..a1c0c594fb 100644
--- a/cache.h
+++ b/cache.h
@@ -919,15 +919,6 @@ enum log_refs_config {
 };
 extern enum log_refs_config log_all_ref_updates;
 
-enum branch_track {
-	BRANCH_TRACK_UNSPECIFIED = -1,
-	BRANCH_TRACK_NEVER = 0,
-	BRANCH_TRACK_REMOTE,
-	BRANCH_TRACK_ALWAYS,
-	BRANCH_TRACK_EXPLICIT,
-	BRANCH_TRACK_OVERRIDE
-};
-
 enum rebase_setup_type {
 	AUTOREBASE_NEVER = 0,
 	AUTOREBASE_LOCAL,
@@ -944,7 +935,6 @@ enum push_default_type {
 	PUSH_DEFAULT_UNSPECIFIED
 };
 
-extern enum branch_track git_branch_track;
 extern enum rebase_setup_type autorebase;
 extern enum push_default_type push_default;
 
diff --git a/config.c b/config.c
index 66645047eb..b60d7c0308 100644
--- a/config.c
+++ b/config.c
@@ -5,6 +5,7 @@
  * Copyright (C) Johannes Schindelin, 2005
  *
  */
+#include "branch.h"
 #include "cache.h"
 #include "config.h"
 #include "repository.h"
diff --git a/environment.c b/environment.c
index 6cf0079389..920362900c 100644
--- a/environment.c
+++ b/environment.c
@@ -7,6 +7,7 @@
  * even if you might want to know where the git directory etc
  * are.
  */
+#include "branch.h"
 #include "cache.h"
 #include "repository.h"
 #include "config.h"
-- 
2.18.0.549.gd4454f3f9b