1 files changed, 45 insertions, 0 deletions
diff --git a/archive.h b/archive.h
new file mode 100644
index 0000000000..6838dc788f
--- /dev/null
+++ b/archive.h
@@ -0,0 +1,45 @@
+#ifndef ARCHIVE_H
+#define ARCHIVE_H
+
+#define MAX_EXTRA_ARGS	32
+#define MAX_ARGS	(MAX_EXTRA_ARGS + 32)
+
+struct archiver_args {
+	const char *base;
+	struct tree *tree;
+	const unsigned char *commit_sha1;
+	time_t time;
+	const char **pathspec;
+	unsigned int verbose : 1;
+	void *extra;
+};
+
+typedef int (*write_archive_fn_t)(struct archiver_args *);
+
+typedef void *(*parse_extra_args_fn_t)(int argc, const char **argv);
+
+struct archiver {
+	const char *name;
+	struct archiver_args args;
+	write_archive_fn_t write_archive;
+	parse_extra_args_fn_t parse_extra;
+};
+
+extern int parse_archive_args(int argc,
+			      const char **argv,
+			      struct archiver *ar);
+
+extern void parse_treeish_arg(const char **treeish,
+			      struct archiver_args *ar_args,
+			      const char *prefix);
+
+extern void parse_pathspec_arg(const char **pathspec,
+			       struct archiver_args *args);
+/*
+ * Archive-format specific backends.
+ */
+extern int write_tar_archive(struct archiver_args *);
+extern int write_zip_archive(struct archiver_args *);
+extern void *parse_extra_zip_args(int argc, const char **argv);
+
+#endif	/* ARCHIVE_H */