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Diffstat (limited to 'upload-pack.c')
-rw-r--r--upload-pack.c71
1 files changed, 33 insertions, 38 deletions
diff --git a/upload-pack.c b/upload-pack.c
index 30146a0..bfa6279 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -26,6 +26,7 @@ static const char upload_pack_usage[] = "git upload-pack [--strict] [--timeout=<
#define SHALLOW (1u << 16)
#define NOT_SHALLOW (1u << 17)
#define CLIENT_SHALLOW (1u << 18)
+#define HIDDEN_REF (1u << 19)
static unsigned long oldest_have;
@@ -33,6 +34,7 @@ static int multi_ack;
static int no_done;
static int use_thin_pack, use_ofs_delta, use_include_tag;
static int no_progress, daemon_mode;
+static int allow_tip_sha1_in_want;
static int shallow_nr;
static struct object_array have_obj;
static struct object_array want_obj;
@@ -42,7 +44,6 @@ static unsigned int timeout;
* otherwise maximum packet size (up to 65520 bytes).
*/
static int use_sideband;
-static int debug_fd;
static int advertise_refs;
static int stateless_rpc;
@@ -51,13 +52,6 @@ static void reset_timeout(void)
alarm(timeout);
}
-static int strip(char *line, int len)
-{
- if (len && line[len-1] == '\n')
- line[--len] = 0;
- return len;
-}
-
static ssize_t send_client_data(int fd, const char *data, ssize_t sz)
{
if (use_sideband)
@@ -70,7 +64,8 @@ static ssize_t send_client_data(int fd, const char *data, ssize_t sz)
xwrite(fd, data, sz);
return sz;
}
- return safe_write(fd, data, sz);
+ write_or_die(fd, data, sz);
+ return sz;
}
static FILE *pack_pipe = NULL;
@@ -325,9 +320,7 @@ static int got_sha1(char *hex, unsigned char *sha1)
if (!has_sha1_file(sha1))
return -1;
- o = lookup_object(sha1);
- if (!(o && o->parsed))
- o = parse_object(sha1);
+ o = parse_object(sha1);
if (!o)
die("oops (%s)", sha1_to_hex(sha1));
if (o->type == OBJ_COMMIT) {
@@ -415,7 +408,6 @@ static int ok_to_give_up(void)
static int get_common_commits(void)
{
- static char line[1000];
unsigned char sha1[20];
char last_hex[41];
int got_common = 0;
@@ -425,10 +417,10 @@ static int get_common_commits(void)
save_commit_buffer = 0;
for (;;) {
- int len = packet_read_line(0, line, sizeof(line));
+ char *line = packet_read_line(0, NULL);
reset_timeout();
- if (!len) {
+ if (!line) {
if (multi_ack == 2 && got_common
&& !got_other && ok_to_give_up()) {
sent_ready = 1;
@@ -447,7 +439,6 @@ static int get_common_commits(void)
got_other = 0;
continue;
}
- strip(line, len);
if (!prefixcmp(line, "have ")) {
switch (got_sha1(line+5, sha1)) {
case -1: /* they have what we do not */
@@ -487,6 +478,12 @@ static int get_common_commits(void)
}
}
+static int is_our_ref(struct object *o)
+{
+ return o->flags &
+ ((allow_tip_sha1_in_want ? HIDDEN_REF : 0) | OUR_REF);
+}
+
static void check_non_tip(void)
{
static const char *argv[] = {
@@ -523,7 +520,7 @@ static void check_non_tip(void)
o = get_indexed_object(--i);
if (!o)
continue;
- if (!(o->flags & OUR_REF))
+ if (!is_our_ref(o))
continue;
memcpy(namebuf + 1, sha1_to_hex(o->sha1), 40);
if (write_in_full(cmd.in, namebuf, 42) < 0)
@@ -532,7 +529,7 @@ static void check_non_tip(void)
namebuf[40] = '\n';
for (i = 0; i < want_obj.nr; i++) {
o = want_obj.objects[i].item;
- if (o->flags & OUR_REF)
+ if (is_our_ref(o))
continue;
memcpy(namebuf, sha1_to_hex(o->sha1), 40);
if (write_in_full(cmd.in, namebuf, 41) < 0)
@@ -566,7 +563,7 @@ error:
/* Pick one of them (we know there at least is one) */
for (i = 0; i < want_obj.nr; i++) {
o = want_obj.objects[i].item;
- if (!(o->flags & OUR_REF))
+ if (!is_our_ref(o))
die("git upload-pack: not our ref %s",
sha1_to_hex(o->sha1));
}
@@ -575,36 +572,33 @@ error:
static void receive_needs(void)
{
struct object_array shallows = OBJECT_ARRAY_INIT;
- static char line[1000];
- int len, depth = 0;
+ int depth = 0;
int has_non_tip = 0;
shallow_nr = 0;
- if (debug_fd)
- write_str_in_full(debug_fd, "#S\n");
for (;;) {
struct object *o;
const char *features;
unsigned char sha1_buf[20];
- len = packet_read_line(0, line, sizeof(line));
+ char *line = packet_read_line(0, NULL);
reset_timeout();
- if (!len)
+ if (!line)
break;
- if (debug_fd)
- write_in_full(debug_fd, line, len);
if (!prefixcmp(line, "shallow ")) {
unsigned char sha1[20];
struct object *object;
- if (get_sha1(line + 8, sha1))
+ if (get_sha1_hex(line + 8, sha1))
die("invalid shallow line: %s", line);
object = parse_object(sha1);
if (!object)
die("did not find object for %s", line);
if (object->type != OBJ_COMMIT)
die("invalid shallow object %s", sha1_to_hex(sha1));
- object->flags |= CLIENT_SHALLOW;
- add_object_array(object, NULL, &shallows);
+ if (!(object->flags & CLIENT_SHALLOW)) {
+ object->flags |= CLIENT_SHALLOW;
+ add_object_array(object, NULL, &shallows);
+ }
continue;
}
if (!prefixcmp(line, "deepen ")) {
@@ -640,19 +634,17 @@ static void receive_needs(void)
if (parse_feature_request(features, "include-tag"))
use_include_tag = 1;
- o = lookup_object(sha1_buf);
+ o = parse_object(sha1_buf);
if (!o)
die("git upload-pack: not our ref %s",
sha1_to_hex(sha1_buf));
if (!(o->flags & WANTED)) {
o->flags |= WANTED;
- if (!(o->flags & OUR_REF))
+ if (!is_our_ref(o))
has_non_tip = 1;
add_object_array(o, NULL, &want_obj);
}
}
- if (debug_fd)
- write_str_in_full(debug_fd, "#E\n");
/*
* We have sent all our refs already, and the other end
@@ -732,8 +724,10 @@ static int mark_our_ref(const char *refname, const unsigned char *sha1, int flag
{
struct object *o = lookup_unknown_object(sha1);
- if (ref_is_hidden(refname))
+ if (ref_is_hidden(refname)) {
+ o->flags |= HIDDEN_REF;
return 1;
+ }
if (!o)
die("git upload-pack: cannot find object %s:", sha1_to_hex(sha1));
o->flags |= OUR_REF;
@@ -752,9 +746,10 @@ static int send_ref(const char *refname, const unsigned char *sha1, int flag, vo
return 0;
if (capabilities)
- packet_write(1, "%s %s%c%s%s agent=%s\n",
+ packet_write(1, "%s %s%c%s%s%s agent=%s\n",
sha1_to_hex(sha1), refname_nons,
0, capabilities,
+ allow_tip_sha1_in_want ? " allow-tip-sha1-in-want" : "",
stateless_rpc ? " no-done" : "",
git_user_agent_sanitized());
else
@@ -788,6 +783,8 @@ static void upload_pack(void)
static int upload_pack_config(const char *var, const char *value, void *unused)
{
+ if (!strcmp("uploadpack.allowtipsha1inwant", var))
+ allow_tip_sha1_in_want = git_config_bool(var, value);
return parse_hide_refs_config(var, value, "uploadpack");
}
@@ -843,8 +840,6 @@ int main(int argc, char **argv)
if (is_repository_shallow())
die("attempt to fetch/clone from a shallow repository");
git_config(upload_pack_config, NULL);
- if (getenv("GIT_DEBUG_SEND_PACK"))
- debug_fd = atoi(getenv("GIT_DEBUG_SEND_PACK"));
upload_pack();
return 0;
}
generated by cgit v0.10.2-6-g49f6 at 2024-05-11 08:12:35 (GMT)