archive: add write_archive()

Both archive and upload-archive have to parse command line arguments and
then call the archiver specific write function.  Move the duplicate code
to a new function, write_archive().

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/archive.h b/archive.h
index 4a02371f3..6b5fe5af4 100644
--- a/archive.h
+++ b/archive.h
@@ -41,5 +41,6 @@ extern int write_tar_archive(struct archiver_args *);
 extern int write_zip_archive(struct archiver_args *);
 
 extern int write_archive_entries(struct archiver_args *args, write_archive_entry_fn_t write_entry);
+extern int write_archive(int argc, const char **argv, const char *prefix, int setup_prefix);
 
 #endif	/* ARCHIVE_H */