[RFCv2 11/16] remote: have preselect_capabilities

[Stefan Beller <sbeller@google.com>]

Signed-off-by: Stefan Beller <sbeller@google.com>
---
 connect.c | 28 ++++++++++++++++++++++++++++
 remote.h  |  1 +
 2 files changed, 29 insertions(+)

diff --git a/connect.c b/connect.c
index 4ebe1dc..752b9a5 100644
--- a/connect.c
+++ b/connect.c
@@ -126,6 +126,34 @@ void get_remote_capabilities(int in, char *src_buf, size_t src_len)
 	}
 }
 
+/* just select all options the server advertised. */
+void preselect_capabilities(struct transport_options *options)
+{
+	if (is_repository_shallow() && !server_supports("shallow"))
+		die("Server does not support shallow clients");
+
+	if (server_supports("multi_ack"))
+		options->multi_ack = 1;
+	else if (server_supports("multi_ack_detailed"))
+		options->multi_ack = 2;
+
+	if (server_supports("side-band"))
+		options->use_sideband = 1;
+	else if (server_supports("side-band-64k"))
+		options->use_sideband = 2;
+
+	if (server_supports("no-done"))
+		options->no_done = 1;
+	if (server_supports("thin-pack"))
+		options->use_thin_pack = 1;
+	if (server_supports("no-progress"))
+		options->no_progress = 1;
+	if (server_supports("include-tag"))
+		options->include_tag = 1;
+	if (server_supports("ofs-delta"))
+		options->prefer_ofs_delta = 1;
+}
+
 int request_capabilities(int out, struct transport_options *options)
 {
 	if (options->multi_ack == 2)    packet_write(out, "multi_ack_detailed");
diff --git a/remote.h b/remote.h
index 61619c5..264a513 100644
--- a/remote.h
+++ b/remote.h
@@ -166,6 +166,7 @@ extern void get_remote_heads(int in, char *src_buf, size_t src_len,
 			     struct sha1_array *shallow);
 
 void get_remote_capabilities(int in, char *src_buf, size_t src_len);
+void preselect_capabilities(struct transport_options *options);
 int request_capabilities(int out, struct transport_options*);
 
 int resolve_remote_symref(struct ref *ref, struct ref *list);
-- 
2.4.1.345.gab207b6.dirty