diff options
| -rw-r--r-- | Documentation/config.txt | 5 | ||||
| -rw-r--r-- | Documentation/fetch-options.txt | 3 | ||||
| -rw-r--r-- | fetch-negotiator.c | 12 | ||||
| -rwxr-xr-x | t/t5552-skipping-fetch-negotiator.sh | 23 |
4 files changed, 39 insertions, 4 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt index c0eb78e..b568bad 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -1550,9 +1550,12 @@ fetch.negotiationAlgorithm:: sent when negotiating the contents of the packfile to be sent by the server. Set to "skipping" to use an algorithm that skips commits in an effort to converge faster, but may result in a larger-than-necessary - packfile; any other value instructs Git to use the default algorithm + packfile; The default is "default" which instructs Git to use the default algorithm that never skips commits (unless the server has acknowledged it or one of its descendants). + Unknown values will cause 'git fetch' to error out. ++ +See also the `--negotiation-tip` option for linkgit:git-fetch[1]. format.attach:: Enable multipart/mixed attachments as the default for diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt index 2d09f87..8bc36af 100644 --- a/Documentation/fetch-options.txt +++ b/Documentation/fetch-options.txt @@ -57,6 +57,9 @@ commits reachable from any of the given commits. 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]. ifndef::git-pull[] --dry-run:: diff --git a/fetch-negotiator.c b/fetch-negotiator.c index 5d28304..d6d685c 100644 --- a/fetch-negotiator.c +++ b/fetch-negotiator.c @@ -6,9 +6,15 @@ void fetch_negotiator_init(struct fetch_negotiator *negotiator, const char *algorithm) { - if (algorithm && !strcmp(algorithm, "skipping")) { - skipping_negotiator_init(negotiator); - return; + if (algorithm) { + if (!strcmp(algorithm, "skipping")) { + skipping_negotiator_init(negotiator); + return; + } else if (!strcmp(algorithm, "default")) { + /* Fall through to default initialization */ + } else { + die("unknown fetch negotiation algorithm '%s'", algorithm); + } } default_negotiator_init(negotiator); } diff --git a/t/t5552-skipping-fetch-negotiator.sh b/t/t5552-skipping-fetch-negotiator.sh index 0a8e0e4..3b60bd4 100755 --- a/t/t5552-skipping-fetch-negotiator.sh +++ b/t/t5552-skipping-fetch-negotiator.sh @@ -47,6 +47,29 @@ test_expect_success 'commits with no parents are sent regardless of skip distanc have_not_sent c6 c4 c3 ' +test_expect_success 'unknown fetch.negotiationAlgorithm values error out' ' + rm -rf server client trace && + git init server && + test_commit -C server to_fetch && + + git init client && + test_commit -C client on_client && + git -C client checkout on_client && + + test_config -C client fetch.negotiationAlgorithm invalid && + test_must_fail git -C client fetch "$(pwd)/server" 2>err && + test_i18ngrep "unknown fetch negotiation algorithm" err && + + # Explicit "default" value + test_config -C client fetch.negotiationAlgorithm default && + git -C client -c fetch.negotiationAlgorithm=default fetch "$(pwd)/server" && + + # Implementation detail: If there is nothing to fetch, we will not error out + test_config -C client fetch.negotiationAlgorithm invalid && + git -C client fetch "$(pwd)/server" 2>err && + test_i18ngrep ! "unknown fetch negotiation algorithm" err +' + test_expect_success 'when two skips collide, favor the larger one' ' rm -rf server client trace && git init server && |