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Merge branch 'bc/sha-256-part-2' into jch

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SHA-256 migration work continues.

* bc/sha-256-part-2: (44 commits)
  remote-testgit: adapt for object-format
  bundle: detect hash algorithm when reading refs
  t5300: pass --object-format to git index-pack
  t5704: send object-format capability with SHA-256
  t5703: use object-format serve option
  t5702: offer an object-format capability in the test
  t/helper: initialize the repository for test-sha1-array
  remote-curl: avoid truncating refs with ls-remote
  t1050: pass algorithm to index-pack when outside repo
  builtin/index-pack: add option to specify hash algorithm
  remote-curl: detect algorithm for dumb HTTP by size
  builtin/ls-remote: initialize repository based on fetch
  t5500: make hash independent
  serve: advertise object-format capability for protocol v2
  connect: parse v2 refs with correct hash algorithm
  connect: pass full packet reader when parsing v2 refs
  Documentation/technical: document object-format for protocol v2
  t1302: expect repo format version 1 for SHA-256
  builtin/show-index: provide options to determine hash algo
  t5302: modernize test formatting
  ...
This commit is contained in:
Junio C Hamano
2020-06-19 14:52:29 -07:00
parent 73eba66823 3716d50dd5
commit e985254f0f
45 changed files with 696 additions and 248 deletions
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14
fetch-pack.c
View File

@ -1050,6 +1050,8 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args,
print_verbose(args, _("Server supports %s"), "deepen-relative");
else if (args->deepen_relative)
die(_("Server does not support --deepen"));
if (!server_supports_hash(the_hash_algo->name, NULL))
die(_("Server does not support this repository's object format"));
if (!args->no_dependents) {
mark_complete_and_common_ref(negotiator, args, &ref);
@ -1188,6 +1190,7 @@ static int send_fetch_request(struct fetch_negotiator *negotiator, int fd_out,
int sideband_all, int seen_ack)
{
int ret = 0;
const char *hash_name;
struct strbuf req_buf = STRBUF_INIT;
if (server_supports_v2("fetch", 1))
@ -1202,6 +1205,17 @@ static int send_fetch_request(struct fetch_negotiator *negotiator, int fd_out,
args->server_options->items[i].string);
}
if (server_feature_v2("object-format", &hash_name)) {
int hash_algo = hash_algo_by_name(hash_name);
if (hash_algo_by_ptr(the_hash_algo) != hash_algo)
die(_("mismatched algorithms: client %s; server %s"),
the_hash_algo->name, hash_name);
packet_write_fmt(fd_out, "object-format=%s", the_hash_algo->name);
} else if (hash_algo_by_ptr(the_hash_algo) != GIT_HASH_SHA1) {
die(_("the server does not support algorithm '%s'"),
the_hash_algo->name);
}
packet_buf_delim(&req_buf);
if (args->use_thin_pack)
packet_buf_write(&req_buf, "thin-pack");