[PATCH v7 10/11] files_log_ref_write: new function

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From: David Turner <dturner@xxxxxxxxxxxxxxxx>

Because HEAD and stash are per-worktree, every refs backend needs to
go through the files backend to write these refs.

So create a new function, files_log_ref_write, and add it to
refs/refs-internal.h. Later, we will use this to handle reflog updates
for per-worktree symbolic refs (HEAD).

Signed-off-by: David Turner <dturner@xxxxxxxxxxxxxxxx>
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
Signed-off-by: Michael Haggerty <mhagger@xxxxxxxxxxxx>
---
 refs/files-backend.c | 8 ++++++++
 refs/refs-internal.h | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/refs/files-backend.c b/refs/files-backend.c
index a2e5a56..1094348 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -2735,6 +2735,14 @@ static int log_ref_write(const char *refname, const unsigned char *old_sha1,
 			 const unsigned char *new_sha1, const char *msg,
 			 int flags, struct strbuf *err)
 {
+	return files_log_ref_write(refname, old_sha1, new_sha1, msg, flags,
+				   err);
+}
+
+int files_log_ref_write(const char *refname, const unsigned char *old_sha1,
+			const unsigned char *new_sha1, const char *msg,
+			int flags, struct strbuf *err)
+{
 	struct strbuf sb = STRBUF_INIT;
 	int ret = log_ref_write_1(refname, old_sha1, new_sha1, msg, &sb, flags,
 				  err);
diff --git a/refs/refs-internal.h b/refs/refs-internal.h
index 8f5cfb4..88a5be0 100644
--- a/refs/refs-internal.h
+++ b/refs/refs-internal.h
@@ -179,4 +179,8 @@ struct ref_transaction {
 	enum ref_transaction_state state;
 };
 
+int files_log_ref_write(const char *refname, const unsigned char *old_sha1,
+			const unsigned char *new_sha1, const char *msg,
+			int flags, struct strbuf *err);
+
 #endif /* REFS_REFS_INTERNAL_H */
-- 
2.6.2

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