Create a new erfs.c file that will be used to hold all the refs
code that is backend agnostic and will be shared across all backends.

The reason we renamed everything to refs-be-files.c in the previous patch
and now start moving the common code back to the new refs.c file
instead of the other way around is the etive volumes of code.

With the ref_cache, packed refs and loose ref handling that are all
part of the files based implementation the backend specific part
of the old refs.c file is several times larger than the backend agnostic
part. Therefore it makes more sense to first rename everything to be
part of the files based backend and then move the parts that can be used
as common code back to refs.c.

Signed-off-by: Ronnie Sahlberg <>
 Makefile | 1 +
 refs.c   | 3 +++
 2 files changed, 4 insertions(+)
 create mode 100644 refs.c

diff --git a/Makefile b/Makefile
index e010ad1..937d22a 100644
--- a/Makefile
+++ b/Makefile
@@ -857,6 +857,7 @@ LIB_OBJS += quote.o
 LIB_OBJS += reachable.o
 LIB_OBJS += read-cache.o
 LIB_OBJS += reflog-walk.o
+LIB_OBJS += refs.o
 LIB_OBJS += refs-be-files.o
 LIB_OBJS += remote.o
 LIB_OBJS += replace_object.o
diff --git a/refs.c b/refs.c
new file mode 100644
index 0000000..77492ff
--- /dev/null
+++ b/refs.c
@@ -0,0 +1,3 @@
+ * Common refs code for all backends.
+ */

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