With core_subtree turned on (capability "subtree", request "subtree"
from fetch-pack), traverse_commit_list will be in "subtree mode",
which will not go farther than the given subtree.
As the result, the pack is broken be design, only contains enough
blobs/trees/commits to reach the given subtree.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
upload-pack.c | 18 ++++++++++++++++--
1 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/upload-pack.c b/upload-pack.c
index e432e83..9b6710a 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -160,7 +160,7 @@ static void create_pack_file(void)
ssize_t sz;
const char *argv[10];
int arg = 0;
- int internal_rev_list = shallow_nr;
+ int internal_rev_list = shallow_nr || core_subtree;
if (internal_rev_list) {
memset(&rev_list, 0, sizeof(rev_list));
@@ -505,6 +505,20 @@ static void receive_needs(void)
if (debug_fd)
write_in_full(debug_fd, line, len);
+ if (!prefixcmp(line, "subtree ")) {
+ int len;
+ char *subtree;
+ if (core_subtree)
+ die("sorry, only one subtree supported");
+ len = strlen(line+8);
+ subtree = malloc(len+1);
+ memcpy(subtree, line+8, len-1);
+ subtree[len-1] = '\0'; /* \n */
+ if (subtree[len-2] != '/')
+ die("subtree request must end with a slash");
+ core_subtree = subtree;
+ continue;
+ }
if (!prefixcmp(line, "shallow ")) {
unsigned char sha1[20];
struct object *object;
@@ -624,7 +638,7 @@ static int send_ref(const char *refname, const unsigned char *sha1, int flag, vo
{
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 subtree";
struct object *o = parse_object(sha1);
if (!o)
--
1.7.1.rc1.69.g24c2f7
--
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