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[PATCH 03/19] object-store: move lookup_replace_object to replace-object.h




lookup_replace_object is a low-level function that most users of the
object store do not need to use directly.

Move it to replace-object.h to avoid a dependency loop in an upcoming
change to its inline definition that will make use of repository.h.

Signed-off-by: Stefan Beller <sbeller@xxxxxxxxxx>
Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
---
 builtin/mktag.c  |  1 +
 cache.h          | 19 -------------------
 object.c         |  1 +
 replace-object.h | 22 ++++++++++++++++++++++
 sha1_file.c      |  1 +
 streaming.c      |  1 +
 6 files changed, 26 insertions(+), 19 deletions(-)

diff --git a/builtin/mktag.c b/builtin/mktag.c
index 031b750f06..5e40e2152f 100644
--- a/builtin/mktag.c
+++ b/builtin/mktag.c
@@ -1,5 +1,6 @@
 #include "builtin.h"
 #include "tag.h"
+#include "replace-object.h"
 
 /*
  * A signature file has a very simple fixed format: four lines
diff --git a/cache.h b/cache.h
index 720664e394..2a238d6398 100644
--- a/cache.h
+++ b/cache.h
@@ -1214,25 +1214,6 @@ static inline void *read_sha1_file(const unsigned char *sha1, enum object_type *
 	return read_sha1_file_extended(sha1, type, size, 1);
 }
 
-/*
- * This internal function is only declared here for the benefit of
- * lookup_replace_object().  Please do not call it directly.
- */
-extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1);
-
-/*
- * If object sha1 should be replaced, return the replacement object's
- * name (replaced recursively, if necessary).  The return value is
- * either sha1 or a pointer to a permanently-allocated value.  When
- * object replacement is suppressed, always return sha1.
- */
-static inline const unsigned char *lookup_replace_object(const unsigned char *sha1)
-{
-	if (!check_replace_refs)
-		return sha1;
-	return do_lookup_replace_object(sha1);
-}
-
 /* Read and unpack a sha1 file into memory, write memory to a sha1 file */
 extern int sha1_object_info(const unsigned char *, unsigned long *);
 extern int hash_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1);
diff --git a/object.c b/object.c
index 4c2cf7ff5d..9f381c44eb 100644
--- a/object.c
+++ b/object.c
@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "object.h"
+#include "replace-object.h"
 #include "blob.h"
 #include "tree.h"
 #include "commit.h"
diff --git a/replace-object.h b/replace-object.h
index 50731ec9c2..1e3e8805b9 100644
--- a/replace-object.h
+++ b/replace-object.h
@@ -1,9 +1,31 @@
 #ifndef REPLACE_OBJECT_H
 #define REPLACE_OBJECT_H
 
+#include "cache.h"
+#include "repository.h"
+
 struct replace_object {
 	unsigned char original[GIT_MAX_RAWSZ];
 	unsigned char replacement[GIT_MAX_RAWSZ];
 };
 
+/*
+ * This internal function is only declared here for the benefit of
+ * lookup_replace_object().  Please do not call it directly.
+ */
+extern const unsigned char *do_lookup_replace_object(const unsigned char *sha1);
+
+/*
+ * If object sha1 should be replaced, return the replacement object's
+ * name (replaced recursively, if necessary).  The return value is
+ * either sha1 or a pointer to a permanently-allocated value.  When
+ * object replacement is suppressed, always return sha1.
+ */
+static inline const unsigned char *lookup_replace_object(const unsigned char *sha1)
+{
+	if (!check_replace_refs)
+		return sha1;
+	return do_lookup_replace_object(sha1);
+}
+
 #endif /* REPLACE_OBJECT_H */
diff --git a/sha1_file.c b/sha1_file.c
index 314ff55b47..68f1735476 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -23,6 +23,7 @@
 #include "sha1-lookup.h"
 #include "bulk-checkin.h"
 #include "repository.h"
+#include "replace-object.h"
 #include "streaming.h"
 #include "dir.h"
 #include "list.h"
diff --git a/streaming.c b/streaming.c
index 22d27df55e..29632065d0 100644
--- a/streaming.c
+++ b/streaming.c
@@ -5,6 +5,7 @@
 #include "streaming.h"
 #include "repository.h"
 #include "object-store.h"
+#include "replace-object.h"
 #include "packfile.h"
 
 enum input_source {
-- 
2.17.0.484.g0c8726318c-goog