diff options
author | Junio C Hamano <gitster@pobox.com> | 2021-05-16 15:05:22 +0300 |
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committer | Junio C Hamano <gitster@pobox.com> | 2021-05-16 15:05:22 +0300 |
commit | 644f4a20468da89c1325a539c0521336f7835a64 (patch) | |
tree | 39ccb6b55222d659ab3d63d8b91e8ba549c360e5 /builtin | |
parent | 97eea85a0a1ec66d356567808a1e4ca2367e0ce7 (diff) | |
parent | 477673d6f39b4829baa98ad88d6b65b35b79fd0f (diff) |
Merge branch 'jt/push-negotiation'
"git push" learns to discover common ancestor with the receiving
end over protocol v2.
* jt/push-negotiation:
send-pack: support push negotiation
fetch: teach independent negotiation (no packfile)
fetch-pack: refactor command and capability write
fetch-pack: refactor add_haves()
fetch-pack: refactor process_acks()
Diffstat (limited to 'builtin')
-rw-r--r-- | builtin/fetch.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/builtin/fetch.c b/builtin/fetch.c index 97c4fe6e6d..dfde96a435 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -83,6 +83,7 @@ static struct string_list server_options = STRING_LIST_INIT_DUP; static struct string_list negotiation_tip = STRING_LIST_INIT_NODUP; static int fetch_write_commit_graph = -1; static int stdin_refspecs = 0; +static int negotiate_only; static int git_fetch_config(const char *k, const char *v, void *cb) { @@ -205,6 +206,8 @@ static struct option builtin_fetch_options[] = { TRANSPORT_FAMILY_IPV6), OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip, N_("revision"), N_("report that we have only objects reachable from this object")), + OPT_BOOL(0, "negotiate-only", &negotiate_only, + N_("do not fetch a packfile; instead, print ancestors of negotiation tips")), OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options), OPT_BOOL(0, "auto-maintenance", &enable_auto_gc, N_("run 'maintenance --auto' after fetching")), @@ -2043,7 +2046,29 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) } } - if (remote) { + if (negotiate_only) { + struct oidset acked_commits = OIDSET_INIT; + struct oidset_iter iter; + const struct object_id *oid; + + if (!remote) + die(_("must supply remote when using --negotiate-only")); + gtransport = prepare_transport(remote, 1); + if (gtransport->smart_options) { + gtransport->smart_options->acked_commits = &acked_commits; + } else { + warning(_("Protocol does not support --negotiate-only, exiting.")); + return 1; + } + if (server_options.nr) + gtransport->server_options = &server_options; + result = transport_fetch_refs(gtransport, NULL); + + oidset_iter_init(&acked_commits, &iter); + while ((oid = oidset_iter_next(&iter))) + printf("%s\n", oid_to_hex(oid)); + oidset_clear(&acked_commits); + } else if (remote) { if (filter_options.choice || has_promisor_remote()) fetch_one_setup_partial(remote); result = fetch_one(remote, argc, argv, prune_tags_ok, stdin_refspecs); |