For example
git fetch-pack --sparse-prefix=/contrib/ origin HEAD
Should fetch a pack that is generated on the remote by
echo HEAD | git pack-objects --revs --stdout --sparse-prefix=/contrib/
Signed-off-by: Robin Ruede <r.ruede@xxxxxxxxx>
---
builtin/fetch-pack.c | 6 ++++++
fetch-pack.c | 4 ++++
fetch-pack.h | 1 +
remote-curl.c | 2 ++
upload-pack.c | 15 ++++++++++++++-
5 files changed, 27 insertions(+), 1 deletion(-)
diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index bfd0be4..7f10001 100644
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -64,6 +64,12 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
args.uploadpack = arg + 14;
continue;
}
+ if (starts_with(arg, "--sparse-prefix=")) {
+ args.sparse_prefix = arg + 16;
+ if(args.sparse_prefix[0] != '/')
+ die(N_("sparse prefix must start with /"));
+ continue;
+ }
if (starts_with(arg, "--exec=")) {
args.uploadpack = arg + 7;
continue;
diff --git a/fetch-pack.c b/fetch-pack.c
index b501d5c..8571b02 100644
--- a/fetch-pack.c
+++ b/fetch-pack.c
@@ -326,6 +326,8 @@ static int find_common(struct fetch_pack_args *args,
return 1;
}
+ if(args->sparse_prefix)
+ packet_buf_write(&req_buf, "sparse-prefix %s", args->sparse_prefix);
if (is_repository_shallow())
write_shallow_commits(&req_buf, 1, NULL);
if (args->depth > 0)
@@ -811,6 +813,8 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
if ((args->depth > 0 || is_repository_shallow()) && !server_supports("shallow"))
die("Server does not support shallow clients");
+ if (args->sparse_prefix && !server_supports("sparse-prefix"))
+ die("Server does not support sparse prefix");
if (server_supports("multi_ack_detailed")) {
if (args->verbose)
fprintf(stderr, "Server supports multi_ack_detailed\n");
diff --git a/fetch-pack.h b/fetch-pack.h
index bb7fd76..8f36ef4 100644
--- a/fetch-pack.h
+++ b/fetch-pack.h
@@ -8,6 +8,7 @@ struct sha1_array;
struct fetch_pack_args {
const char *uploadpack;
+ const char *sparse_prefix;
int unpacklimit;
int depth;
unsigned quiet:1;
diff --git a/remote-curl.c b/remote-curl.c
index 6b83b77..e181e62 100644
--- a/remote-curl.c
+++ b/remote-curl.c
@@ -727,6 +727,8 @@ static int fetch_dumb(int nr_heads, struct ref **to_fetch)
ALLOC_ARRAY(targets, nr_heads);
if (options.depth)
die("dumb http transport does not support --depth");
+ if (options.sparse_prefix)
+ die("dumb http transport does not support --sparse-prefix");
for (i = 0; i < nr_heads; i++)
targets[i] = xstrdup(oid_to_hex(&to_fetch[i]->old_oid));
diff --git a/upload-pack.c b/upload-pack.c
index d4cc414..56d8c1a 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -57,6 +57,7 @@ static int use_sideband;
static int advertise_refs;
static int stateless_rpc;
static const char *pack_objects_hook;
+static char *sparse_prefix;
static void reset_timeout(void)
{
@@ -125,6 +126,12 @@ static void create_pack_file(void)
argv_array_push(&pack_objects.args, "--delta-base-offset");
if (use_include_tag)
argv_array_push(&pack_objects.args, "--include-tag");
+ if (sparse_prefix) {
+ argv_array_push(&pack_objects.args, "--sparse-prefix");
+ argv_array_push(&pack_objects.args, sparse_prefix);
+ free(sparse_prefix);
+ sparse_prefix = NULL;
+ }
pack_objects.in = -1;
pack_objects.out = -1;
@@ -582,6 +589,12 @@ static void receive_needs(void)
die("Invalid deepen: %s", line);
continue;
}
+ if (starts_with(line, "sparse-prefix ")) {
+ if(sparse_prefix)
+ die("Only single sparse-prefix is allowed");
+ sparse_prefix = xstrdup(line + 14);
+ continue;
+ }
if (!starts_with(line, "want ") ||
get_sha1_hex(line+5, sha1_buf))
die("git upload-pack: protocol error, "
@@ -730,7 +743,7 @@ static int send_ref(const char *refname, const struct object_id *oid,
{
static const char *capabilities = "multi_ack thin-pack side-band"
" side-band-64k ofs-delta shallow no-progress"
- " include-tag multi_ack_detailed";
+ " include-tag multi_ack_detailed sparse-prefix";
const char *refname_nons = strip_namespace(refname);
struct object_id peeled;
--
2.9.1.283.g3ca5b4c.dirty
--
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