[PATCH 08/14] fetch: add from_promisor and exclude-promisor-objects parameters

[Jeff Hostetler <git@jeffhostetler.com>]

From: Jonathan Tan <jonathantanmy@google.com>

Teach fetch to use from-promisor and exclude-promisor-objects
parameters with sub-commands.  Initialize fetch_if_missing
global variable.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
---
 builtin/fetch.c | 9 ++++++---
 connected.c     | 3 +++
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/builtin/fetch.c b/builtin/fetch.c
index 150ca0a..ab53df3 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -19,6 +19,7 @@
 #include "utf8.h"
 #include "packfile.h"
 #include "list-objects-filter-options.h"
+#include "partial-clone-utils.h"
 
 static const char * const builtin_fetch_usage[] = {
 	N_("git fetch [<options>] [<repository> [<refspec>...]]"),
@@ -1048,9 +1049,11 @@ static struct transport *prepare_transport(struct remote *remote, int deepen)
 		set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, "yes");
 	if (update_shallow)
 		set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
-	if (filter_options.choice)
+	if (filter_options.choice) {
 		set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER,
 			   filter_options.raw_value);
+		set_option(transport, TRANS_OPT_FROM_PROMISOR, "1");
+	}
 	return transport;
 }
 
@@ -1290,7 +1293,6 @@ static int fetch_multiple(struct string_list *list)
 
 static inline void partial_fetch_one_setup(struct remote *remote)
 {
-#if 0 /* TODO */
 	if (filter_options.choice) {
 		/*
 		 * A partial-fetch was explicitly requested.
@@ -1325,7 +1327,6 @@ static inline void partial_fetch_one_setup(struct remote *remote)
 			&filter_options,
 			repository_format_partial_clone_filter);
 	}
-#endif
 }
 
 static int fetch_one(struct remote *remote, int argc, const char **argv)
@@ -1392,6 +1393,8 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
 
 	packet_trace_identity("fetch");
 
+	fetch_if_missing = 0;
+
 	/* Record the command line for the reflog */
 	strbuf_addstr(&default_rla, "fetch");
 	for (i = 1; i < argc; i++)
diff --git a/connected.c b/connected.c
index f416b05..6015316 100644
--- a/connected.c
+++ b/connected.c
@@ -4,6 +4,7 @@
 #include "connected.h"
 #include "transport.h"
 #include "packfile.h"
+#include "partial-clone-utils.h"
 
 /*
  * If we feed all the commits we want to verify to this command
@@ -56,6 +57,8 @@ int check_connected(sha1_iterate_fn fn, void *cb_data,
 	argv_array_push(&rev_list.args,"rev-list");
 	argv_array_push(&rev_list.args, "--objects");
 	argv_array_push(&rev_list.args, "--stdin");
+	if (is_partial_clone_registered())
+		argv_array_push(&rev_list.args, "--exclude-promisor-objects");
 	argv_array_push(&rev_list.args, "--not");
 	argv_array_push(&rev_list.args, "--all");
 	argv_array_push(&rev_list.args, "--quiet");
-- 
2.9.3