diff options
| -rw-r--r-- | Documentation/config/fetch.txt | 3 | ||||
| -rw-r--r-- | Documentation/fetch-options.txt | 13 | ||||
| -rw-r--r-- | builtin/fetch.c | 3 | ||||
| -rw-r--r-- | send-pack.c | 11 | ||||
| -rwxr-xr-x | t/t5702-protocol-v2.sh | 16 |
5 files changed, 38 insertions, 8 deletions
diff --git a/Documentation/config/fetch.txt b/Documentation/config/fetch.txt index 6af6f5edb2..63748c02b7 100644 --- a/Documentation/config/fetch.txt +++ b/Documentation/config/fetch.txt @@ -69,7 +69,8 @@ fetch.negotiationAlgorithm:: setting defaults to "skipping". Unknown values will cause 'git fetch' to error out. + -See also the `--negotiation-tip` option for linkgit:git-fetch[1]. +See also the `--negotiate-only` and `--negotiation-tip` options to +linkgit:git-fetch[1]. fetch.showForcedUpdates:: Set to false to enable `--no-show-forced-updates` in diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt index 9e7b4e189c..e967ff1874 100644 --- a/Documentation/fetch-options.txt +++ b/Documentation/fetch-options.txt @@ -62,8 +62,17 @@ The argument to this option may be a glob on ref names, a ref, or the (possibly abbreviated) SHA-1 of a commit. Specifying a glob is equivalent to specifying this option multiple times, one for each matching ref name. + -See also the `fetch.negotiationAlgorithm` configuration variable -documented in linkgit:git-config[1]. +See also the `fetch.negotiationAlgorithm` and `push.negotiate` +configuration variables documented in linkgit:git-config[1], and the +`--negotiate-only` option below. + +--negotiate-only:: + Do not fetch anything from the server, and instead print the + ancestors of the provided `--negotiation-tip=*` arguments, + which we have in common with the server. ++ +Internally this is used to implement the `push.negotiate` option, see +linkgit:git-config[1]. --dry-run:: Show what would be done, without making any changes. diff --git a/builtin/fetch.c b/builtin/fetch.c index 9191620e50..25740c13df 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -1990,6 +1990,9 @@ int cmd_fetch(int argc, const char **argv, const char *prefix) fetch_config_from_gitmodules(sfjc, rs); } + if (negotiate_only && !negotiation_tip.nr) + die(_("--negotiate-only needs one or more --negotiate-tip=*")); + if (deepen_relative) { if (deepen_relative < 0) die(_("Negative depth in --deepen is not supported")); diff --git a/send-pack.c b/send-pack.c index 9cb9f71650..5a79e0e711 100644 --- a/send-pack.c +++ b/send-pack.c @@ -486,6 +486,12 @@ int send_pack(struct send_pack_args *args, const char *push_cert_nonce = NULL; struct packet_reader reader; + if (!remote_refs) { + fprintf(stderr, "No refs in common and none specified; doing nothing.\n" + "Perhaps you should specify a branch.\n"); + return 0; + } + git_config_get_bool("push.negotiate", &push_negotiate); if (push_negotiate) get_commons_through_negotiation(args->url, remote_refs, &commons); @@ -534,11 +540,6 @@ int send_pack(struct send_pack_args *args, } } - if (!remote_refs) { - fprintf(stderr, "No refs in common and none specified; doing nothing.\n" - "Perhaps you should specify a branch.\n"); - return 0; - } if (args->atomic && !atomic_supported) die(_("the receiving end does not support --atomic push")); diff --git a/t/t5702-protocol-v2.sh b/t/t5702-protocol-v2.sh index 66af411057..78de1ff2ad 100755 --- a/t/t5702-protocol-v2.sh +++ b/t/t5702-protocol-v2.sh @@ -599,6 +599,22 @@ setup_negotiate_only () { test_commit -C client three } +test_expect_success 'usage: --negotiate-only without --negotiation-tip' ' + SERVER="server" && + URI="file://$(pwd)/server" && + + setup_negotiate_only "$SERVER" "$URI" && + + cat >err.expect <<-\EOF && + fatal: --negotiate-only needs one or more --negotiate-tip=* + EOF + + test_must_fail git -c protocol.version=2 -C client fetch \ + --negotiate-only \ + origin 2>err.actual && + test_cmp err.expect err.actual +' + test_expect_success 'file:// --negotiate-only' ' SERVER="server" && URI="file://$(pwd)/server" && |