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Diffstat (limited to 'upload-pack.c')
-rw-r--r--upload-pack.c93
1 files changed, 67 insertions, 26 deletions
diff --git a/upload-pack.c b/upload-pack.c
index a6c54e06bb..01de944a0a 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -17,7 +17,7 @@
static const char upload_pack_usage[] = "git upload-pack [--strict] [--timeout=<n>] <dir>";
-/* bits #0..7 in revision.h, #8..10 in commit.c */
+/* Remember to update object flag allocation in object.h */
#define THEY_HAVE (1u << 11)
#define OUR_REF (1u << 12)
#define WANTED (1u << 13)
@@ -70,6 +70,14 @@ static ssize_t send_client_data(int fd, const char *data, ssize_t sz)
return sz;
}
+static int write_one_shallow(const struct commit_graft *graft, void *cb_data)
+{
+ FILE *fp = cb_data;
+ if (graft->nr_parent == -1)
+ fprintf(fp, "--shallow %s\n", sha1_to_hex(graft->sha1));
+ return 0;
+}
+
static void create_pack_file(void)
{
struct child_process pack_objects;
@@ -81,12 +89,10 @@ static void create_pack_file(void)
const char *argv[12];
int i, arg = 0;
FILE *pipe_fd;
- char *shallow_file = NULL;
if (shallow_nr) {
- shallow_file = setup_temporary_shallow();
argv[arg++] = "--shallow-file";
- argv[arg++] = shallow_file;
+ argv[arg++] = "";
}
argv[arg++] = "pack-objects";
argv[arg++] = "--revs";
@@ -114,6 +120,9 @@ static void create_pack_file(void)
pipe_fd = xfdopen(pack_objects.in, "w");
+ if (shallow_nr)
+ for_each_commit_graft(write_one_shallow, pipe_fd);
+
for (i = 0; i < want_obj.nr; i++)
fprintf(pipe_fd, "%s\n",
sha1_to_hex(want_obj.objects[i].item->sha1));
@@ -242,11 +251,6 @@ static void create_pack_file(void)
error("git upload-pack: git-pack-objects died with error.");
goto fail;
}
- if (shallow_file) {
- if (*shallow_file)
- unlink(shallow_file);
- free(shallow_file);
- }
/* flush the data */
if (0 <= buffered) {
@@ -394,7 +398,7 @@ static int get_common_commits(void)
got_other = 0;
continue;
}
- if (!prefixcmp(line, "have ")) {
+ if (starts_with(line, "have ")) {
switch (got_sha1(line+5, sha1)) {
case -1: /* they have what we do not */
got_other = 1;
@@ -540,7 +544,7 @@ static void receive_needs(void)
if (!line)
break;
- if (!prefixcmp(line, "shallow ")) {
+ if (starts_with(line, "shallow ")) {
unsigned char sha1[20];
struct object *object;
if (get_sha1_hex(line + 8, sha1))
@@ -556,14 +560,14 @@ static void receive_needs(void)
}
continue;
}
- if (!prefixcmp(line, "deepen ")) {
+ if (starts_with(line, "deepen ")) {
char *end;
depth = strtol(line + 7, &end, 0);
if (end == line + 7 || depth <= 0)
die("Invalid deepen: %s", line);
continue;
}
- if (prefixcmp(line, "want ") ||
+ if (!starts_with(line, "want ") ||
get_sha1_hex(line+5, sha1_buf))
die("git upload-pack: protocol error, "
"expected to get sha, not '%s'", line);
@@ -619,7 +623,7 @@ static void receive_needs(void)
if (depth > 0) {
struct commit_list *result = NULL, *backup = NULL;
int i;
- if (depth == INFINITE_DEPTH)
+ if (depth == INFINITE_DEPTH && !is_repository_shallow())
for (i = 0; i < shallows.nr; i++) {
struct object *object = shallows.objects[i].item;
object->flags |= NOT_SHALLOW;
@@ -649,8 +653,7 @@ static void receive_needs(void)
/* make sure the real parents are parsed */
unregister_shallow(object->sha1);
object->parsed = 0;
- if (parse_commit((struct commit *)object))
- die("invalid commit");
+ parse_commit_or_die((struct commit *)object);
parents = ((struct commit *)object)->parents;
while (parents) {
add_object_array(&parents->item->object,
@@ -689,6 +692,16 @@ static int mark_our_ref(const char *refname, const unsigned char *sha1, int flag
return 0;
}
+static void format_symref_info(struct strbuf *buf, struct string_list *symref)
+{
+ struct string_list_item *item;
+
+ if (!symref->nr)
+ return;
+ for_each_string_list_item(item, symref)
+ strbuf_addf(buf, " symref=%s:%s", item->string, (char *)item->util);
+}
+
static int send_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
static const char *capabilities = "multi_ack thin-pack side-band"
@@ -697,35 +710,64 @@ static int send_ref(const char *refname, const unsigned char *sha1, int flag, vo
const char *refname_nons = strip_namespace(refname);
unsigned char peeled[20];
- if (mark_our_ref(refname, sha1, flag, cb_data))
+ if (mark_our_ref(refname, sha1, flag, NULL))
return 0;
- if (capabilities)
- packet_write(1, "%s %s%c%s%s%s agent=%s\n",
+ if (capabilities) {
+ struct strbuf symref_info = STRBUF_INIT;
+
+ format_symref_info(&symref_info, cb_data);
+ packet_write(1, "%s %s%c%s%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" : "",
+ symref_info.buf,
git_user_agent_sanitized());
- else
+ strbuf_release(&symref_info);
+ } else {
packet_write(1, "%s %s\n", sha1_to_hex(sha1), refname_nons);
+ }
capabilities = NULL;
if (!peel_ref(refname, peeled))
packet_write(1, "%s %s^{}\n", sha1_to_hex(peeled), refname_nons);
return 0;
}
+static int find_symref(const char *refname, const unsigned char *sha1, int flag,
+ void *cb_data)
+{
+ const char *symref_target;
+ struct string_list_item *item;
+ unsigned char unused[20];
+
+ if ((flag & REF_ISSYMREF) == 0)
+ return 0;
+ symref_target = resolve_ref_unsafe(refname, unused, 0, &flag);
+ if (!symref_target || (flag & REF_ISSYMREF) == 0)
+ die("'%s' is a symref but it is not?", refname);
+ item = string_list_append(cb_data, refname);
+ item->util = xstrdup(symref_target);
+ return 0;
+}
+
static void upload_pack(void)
{
+ struct string_list symref = STRING_LIST_INIT_DUP;
+
+ head_ref_namespaced(find_symref, &symref);
+
if (advertise_refs || !stateless_rpc) {
reset_timeout();
- head_ref_namespaced(send_ref, NULL);
- for_each_namespaced_ref(send_ref, NULL);
+ head_ref_namespaced(send_ref, &symref);
+ for_each_namespaced_ref(send_ref, &symref);
+ advertise_shallow_grafts(1);
packet_flush(1);
} else {
head_ref_namespaced(mark_our_ref, NULL);
for_each_namespaced_ref(mark_our_ref, NULL);
}
+ string_list_clear(&symref, 1);
if (advertise_refs)
return;
@@ -758,7 +800,7 @@ int main(int argc, char **argv)
packet_trace_identity("upload-pack");
git_extract_argv0_path(argv[0]);
- read_replace_refs = 0;
+ check_replace_refs = 0;
for (i = 1; i < argc; i++) {
char *arg = argv[i];
@@ -777,7 +819,7 @@ int main(int argc, char **argv)
strict = 1;
continue;
}
- if (!prefixcmp(arg, "--timeout=")) {
+ if (starts_with(arg, "--timeout=")) {
timeout = atoi(arg+10);
daemon_mode = 1;
continue;
@@ -797,8 +839,7 @@ int main(int argc, char **argv)
if (!enter_repo(dir, strict))
die("'%s' does not appear to be a git repository", dir);
- if (is_repository_shallow())
- die("attempt to fetch/clone from a shallow repository");
+
git_config(upload_pack_config, NULL);
upload_pack();
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-11 06:27:41 +0000