[PATCH v5 05/14] remote-curl: add object filtering for partial clone

[Jeff Hostetler]

From: Jeff Hostetler <jeffh...@microsoft.com>

Signed-off-by: Jeff Hostetler <jeffh...@microsoft.com>
---
 Documentation/gitremote-helpers.txt |  4 ++++
 remote-curl.c                       | 12 ++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/Documentation/gitremote-helpers.txt 
b/Documentation/gitremote-helpers.txt
index 96feb4e..c2b3abf 100644
--- a/Documentation/gitremote-helpers.txt
+++ b/Documentation/gitremote-helpers.txt
@@ -472,6 +472,10 @@ set by Git if the remote helper has the 'option' 
capability.
 'option no-haves' {'true'|'false'}::
        Do not send "have" lines.
 
+'option filter <filter-spec>'::
+       An object filter specification for partial clone or fetch
+       as described in rev-list.
+
 SEE ALSO
 --------
 linkgit:git-remote[1]
diff --git a/remote-curl.c b/remote-curl.c
index 34a81b8..31a3d8d 100644
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -13,6 +13,7 @@
 #include "credential.h"
 #include "sha1-array.h"
 #include "send-pack.h"
+#include "list-objects-filter-options.h"
 
 static struct remote *remote;
 /* always ends with a trailing slash */
@@ -22,6 +23,7 @@ struct options {
        int verbosity;
        unsigned long depth;
        char *deepen_since;
+       char *partial_clone_filter;
        struct string_list deepen_not;
        struct string_list push_options;
        unsigned progress : 1,
@@ -165,6 +167,9 @@ static int set_option(const char *name, const char *value)
        } else if (!strcmp(name, "no-haves")) {
                options.no_haves = 1;
                return 0;
+       } else if (!strcmp(name, "filter")) {
+               options.partial_clone_filter = xstrdup(value);
+               return 0;
        } else {
                return 1 /* unsupported */;
        }
@@ -834,6 +839,13 @@ static int fetch_git(struct discovery *heads,
                argv_array_push(&args, "--from-promisor");
        if (options.no_haves)
                argv_array_push(&args, "--no-haves");
+       if (options.partial_clone_filter) {
+               struct list_objects_filter_options filter_options;
+               parse_list_objects_filter(&filter_options,
+                                         options.partial_clone_filter);
+               argv_array_pushf(&args, "--%s=%s", CL_ARG__FILTER,
+                                filter_options.filter_spec);
+       }
        argv_array_push(&args, url.buf);
 
        for (i = 0; i < nr_heads; i++) {
-- 
2.9.3