diff options
| -rw-r--r-- | remote-curl.c | 23 | ||||
| -rwxr-xr-x | t/t5550-http-fetch-dumb.sh | 18 |
2 files changed, 39 insertions, 2 deletions
diff --git a/remote-curl.c b/remote-curl.c index 3ed0dfec1b..774a1ca71f 100644 --- a/remote-curl.c +++ b/remote-curl.c @@ -252,6 +252,19 @@ static struct ref *parse_git_refs(struct discovery *heads, int for_push) return list; } +static const struct git_hash_algo *detect_hash_algo(struct discovery *heads) +{ + const char *p = memchr(heads->buf, '\t', heads->len); + int algo; + if (!p) + return the_hash_algo; + + algo = hash_algo_by_length((p - heads->buf) / 2); + if (algo == GIT_HASH_UNKNOWN) + return NULL; + return &hash_algos[algo]; +} + static struct ref *parse_info_refs(struct discovery *heads) { char *data, *start, *mid; @@ -262,6 +275,12 @@ static struct ref *parse_info_refs(struct discovery *heads) struct ref *ref = NULL; struct ref *last_ref = NULL; + options.hash_algo = detect_hash_algo(heads); + if (!options.hash_algo) + die("%sinfo/refs not valid: could not determine hash algorithm; " + "is this a git repository?", + transport_anonymize_url(url.buf)); + data = heads->buf; start = NULL; mid = data; @@ -272,13 +291,13 @@ static struct ref *parse_info_refs(struct discovery *heads) if (data[i] == '\t') mid = &data[i]; if (data[i] == '\n') { - if (mid - start != the_hash_algo->hexsz) + if (mid - start != options.hash_algo->hexsz) die(_("%sinfo/refs not valid: is this a git repository?"), transport_anonymize_url(url.buf)); data[i] = 0; ref_name = mid + 1; ref = alloc_ref(ref_name); - get_oid_hex(start, &ref->old_oid); + get_oid_hex_algop(start, &ref->old_oid, options.hash_algo); if (!refs) refs = ref; if (last_ref) diff --git a/t/t5550-http-fetch-dumb.sh b/t/t5550-http-fetch-dumb.sh index 50485300eb..e57716bacd 100755 --- a/t/t5550-http-fetch-dumb.sh +++ b/t/t5550-http-fetch-dumb.sh @@ -50,6 +50,24 @@ test_expect_success 'create password-protected repository' ' "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git" ' +test_expect_success 'create empty remote repository' ' + git init --bare "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" && + (cd "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" && + mkdir -p hooks && + write_script "hooks/post-update" <<-\EOF && + exec git update-server-info + EOF + hooks/post-update + ) +' + +test_expect_success 'empty dumb HTTP repository has default hash algorithm' ' + test_when_finished "rm -fr clone-empty" && + git clone $HTTPD_URL/dumb/empty.git clone-empty && + git -C clone-empty rev-parse --show-object-format >empty-format && + test "$(cat empty-format)" = "$(test_oid algo)" +' + setup_askpass_helper test_expect_success 'cloning password-protected repository can fail' ' |