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Diffstat (limited to 'builtin/receive-pack.c')
-rw-r--r--builtin/receive-pack.c183
1 files changed, 100 insertions, 83 deletions
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index b7ce7c7f52..29f165d8bd 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -1,4 +1,5 @@
#include "builtin.h"
+#include "repository.h"
#include "config.h"
#include "lockfile.h"
#include "pack.h"
@@ -6,7 +7,7 @@
#include "pkt-line.h"
#include "sideband.h"
#include "run-command.h"
-#include "exec_cmd.h"
+#include "exec-cmd.h"
#include "commit.h"
#include "object.h"
#include "remote.h"
@@ -24,7 +25,9 @@
#include "tmp-objdir.h"
#include "oidset.h"
#include "packfile.h"
+#include "object-store.h"
#include "protocol.h"
+#include "commit-reach.h"
static const char * const receive_pack_usage[] = {
N_("git receive-pack <git-dir>"),
@@ -69,7 +72,7 @@ static int sent_capabilities;
static int shallow_update;
static const char *alt_shallow_file;
static struct strbuf push_cert = STRBUF_INIT;
-static unsigned char push_cert_sha1[20];
+static struct object_id push_cert_oid;
static struct signature_check sigcheck;
static const char *push_cert_nonce;
static const char *cert_nonce_seed;
@@ -278,8 +281,7 @@ static int show_ref_cb(const char *path_full, const struct object_id *oid,
return 0;
}
-static void show_one_alternate_ref(const char *refname,
- const struct object_id *oid,
+static void show_one_alternate_ref(const struct object_id *oid,
void *data)
{
struct oidset *seen = data;
@@ -453,21 +455,21 @@ static void hmac_sha1(unsigned char *out,
/* RFC 2104 2. (6) & (7) */
git_SHA1_Init(&ctx);
git_SHA1_Update(&ctx, k_opad, sizeof(k_opad));
- git_SHA1_Update(&ctx, out, 20);
+ git_SHA1_Update(&ctx, out, GIT_SHA1_RAWSZ);
git_SHA1_Final(out, &ctx);
}
static char *prepare_push_cert_nonce(const char *path, timestamp_t stamp)
{
struct strbuf buf = STRBUF_INIT;
- unsigned char sha1[20];
+ unsigned char sha1[GIT_SHA1_RAWSZ];
strbuf_addf(&buf, "%s:%"PRItime, path, stamp);
- hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));;
+ hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));
strbuf_release(&buf);
/* RFC 2104 5. HMAC-SHA1-80 */
- strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, 20, sha1_to_hex(sha1));
+ strbuf_addf(&buf, "%"PRItime"-%.*s", stamp, GIT_SHA1_HEXSZ, sha1_to_hex(sha1));
return strbuf_detach(&buf, NULL);
}
@@ -628,36 +630,24 @@ static void prepare_push_cert_sha1(struct child_process *proc)
return;
if (!already_done) {
- struct strbuf gpg_output = STRBUF_INIT;
- struct strbuf gpg_status = STRBUF_INIT;
int bogs /* beginning_of_gpg_sig */;
already_done = 1;
- if (write_sha1_file(push_cert.buf, push_cert.len, "blob", push_cert_sha1))
- hashclr(push_cert_sha1);
+ if (write_object_file(push_cert.buf, push_cert.len, "blob",
+ &push_cert_oid))
+ oidclr(&push_cert_oid);
memset(&sigcheck, '\0', sizeof(sigcheck));
- sigcheck.result = 'N';
bogs = parse_signature(push_cert.buf, push_cert.len);
- if (verify_signed_buffer(push_cert.buf, bogs,
- push_cert.buf + bogs, push_cert.len - bogs,
- &gpg_output, &gpg_status) < 0) {
- ; /* error running gpg */
- } else {
- sigcheck.payload = push_cert.buf;
- sigcheck.gpg_output = gpg_output.buf;
- sigcheck.gpg_status = gpg_status.buf;
- parse_gpg_output(&sigcheck);
- }
+ check_signature(push_cert.buf, bogs, push_cert.buf + bogs,
+ push_cert.len - bogs, &sigcheck);
- strbuf_release(&gpg_output);
- strbuf_release(&gpg_status);
nonce_status = check_nonce(push_cert.buf, bogs);
}
- if (!is_null_sha1(push_cert_sha1)) {
+ if (!is_null_oid(&push_cert_oid)) {
argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT=%s",
- sha1_to_hex(push_cert_sha1));
+ oid_to_hex(&push_cert_oid));
argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_SIGNER=%s",
sigcheck.signer ? sigcheck.signer : "");
argv_array_pushf(&proc->env_array, "GIT_PUSH_CERT_KEY=%s",
@@ -704,6 +694,8 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed,
proc.argv = argv;
proc.in = -1;
proc.stdout_to_stderr = 1;
+ proc.trace2_hook_name = hook_name;
+
if (feed_state->push_options) {
int i;
for (i = 0; i < feed_state->push_options->nr; i++)
@@ -817,6 +809,7 @@ static int run_update_hook(struct command *cmd)
proc.stdout_to_stderr = 1;
proc.err = use_sideband ? -1 : 0;
proc.argv = argv;
+ proc.trace2_hook_name = "update";
code = start_command(&proc);
if (code)
@@ -874,7 +867,7 @@ static void refuse_unconfigured_deny_delete_current(void)
static int command_singleton_iterator(void *cb_data, struct object_id *oid);
static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
{
- static struct lock_file shallow_lock;
+ struct lock_file shallow_lock = LOCK_INIT;
struct oid_array extra = OID_ARRAY_INIT;
struct check_connected_options opt = CHECK_CONNECTED_INIT;
uint32_t mask = 1 << (cmd->index % 32);
@@ -903,7 +896,7 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si)
* not lose these new roots..
*/
for (i = 0; i < extra.nr; i++)
- register_shallow(&extra.oid[i]);
+ register_shallow(the_repository, &extra.oid[i]);
si->shallow_ref[cmd->index] = 0;
oid_array_clear(&extra);
@@ -966,7 +959,7 @@ static const char *push_to_deploy(unsigned char *sha1,
return "Working directory has unstaged changes";
/* diff-index with either HEAD or an empty tree */
- diff_index[4] = head_has_history() ? "HEAD" : EMPTY_TREE_SHA1_HEX;
+ diff_index[4] = head_has_history() ? "HEAD" : empty_tree_oid_hex();
child_process_init(&child);
child.argv = diff_index;
@@ -1035,6 +1028,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
const char *ret;
struct object_id *old_oid = &cmd->old_oid;
struct object_id *new_oid = &cmd->new_oid;
+ int do_update_worktree = 0;
/* only refs/... are allowed */
if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) {
@@ -1060,9 +1054,8 @@ static const char *update(struct command *cmd, struct shallow_info *si)
refuse_unconfigured_deny();
return "branch is currently checked out";
case DENY_UPDATE_INSTEAD:
- ret = update_worktree(new_oid->hash);
- if (ret)
- return ret;
+ /* pass -- let other checks intervene first */
+ do_update_worktree = 1;
break;
}
}
@@ -1105,8 +1098,8 @@ static const char *update(struct command *cmd, struct shallow_info *si)
struct object *old_object, *new_object;
struct commit *old_commit, *new_commit;
- old_object = parse_object(old_oid);
- new_object = parse_object(new_oid);
+ old_object = parse_object(the_repository, old_oid);
+ new_object = parse_object(the_repository, new_oid);
if (!old_object || !new_object ||
old_object->type != OBJ_COMMIT ||
@@ -1127,9 +1120,15 @@ static const char *update(struct command *cmd, struct shallow_info *si)
return "hook declined";
}
+ if (do_update_worktree) {
+ ret = update_worktree(new_oid->hash);
+ if (ret)
+ return ret;
+ }
+
if (is_null_oid(new_oid)) {
struct strbuf err = STRBUF_INIT;
- if (!parse_object(old_oid)) {
+ if (!parse_object(the_repository, old_oid)) {
old_oid = NULL;
if (ref_exists(name)) {
rp_warning("Allowing deletion of corrupt ref.");
@@ -1194,6 +1193,7 @@ static void run_update_post_hook(struct command *commands)
proc.no_stdin = 1;
proc.stdout_to_stderr = 1;
proc.err = use_sideband ? -1 : 0;
+ proc.trace2_hook_name = "post-update";
if (!start_command(&proc)) {
if (use_sideband)
@@ -1202,17 +1202,12 @@ static void run_update_post_hook(struct command *commands)
}
}
-static void check_aliased_update(struct command *cmd, struct string_list *list)
+static void check_aliased_update_internal(struct command *cmd,
+ struct string_list *list,
+ const char *dst_name, int flag)
{
- struct strbuf buf = STRBUF_INIT;
- const char *dst_name;
struct string_list_item *item;
struct command *dst_cmd;
- int flag;
-
- strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
- dst_name = resolve_ref_unsafe(buf.buf, 0, NULL, &flag);
- strbuf_release(&buf);
if (!(flag & REF_ISSYMREF))
return;
@@ -1232,8 +1227,8 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
dst_cmd = (struct command *) item->util;
- if (!oidcmp(&cmd->old_oid, &dst_cmd->old_oid) &&
- !oidcmp(&cmd->new_oid, &dst_cmd->new_oid))
+ if (oideq(&cmd->old_oid, &dst_cmd->old_oid) &&
+ oideq(&cmd->new_oid, &dst_cmd->new_oid))
return;
dst_cmd->skip_update = 1;
@@ -1241,16 +1236,28 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
rp_error("refusing inconsistent update between symref '%s' (%s..%s) and"
" its target '%s' (%s..%s)",
cmd->ref_name,
- find_unique_abbrev(cmd->old_oid.hash, DEFAULT_ABBREV),
- find_unique_abbrev(cmd->new_oid.hash, DEFAULT_ABBREV),
+ find_unique_abbrev(&cmd->old_oid, DEFAULT_ABBREV),
+ find_unique_abbrev(&cmd->new_oid, DEFAULT_ABBREV),
dst_cmd->ref_name,
- find_unique_abbrev(dst_cmd->old_oid.hash, DEFAULT_ABBREV),
- find_unique_abbrev(dst_cmd->new_oid.hash, DEFAULT_ABBREV));
+ find_unique_abbrev(&dst_cmd->old_oid, DEFAULT_ABBREV),
+ find_unique_abbrev(&dst_cmd->new_oid, DEFAULT_ABBREV));
cmd->error_string = dst_cmd->error_string =
"inconsistent aliased update";
}
+static void check_aliased_update(struct command *cmd, struct string_list *list)
+{
+ struct strbuf buf = STRBUF_INIT;
+ const char *dst_name;
+ int flag;
+
+ strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
+ dst_name = resolve_ref_unsafe(buf.buf, 0, NULL, &flag);
+ check_aliased_update_internal(cmd, list, dst_name, flag);
+ strbuf_release(&buf);
+}
+
static void check_aliased_updates(struct command *commands)
{
struct command *cmd;
@@ -1376,7 +1383,7 @@ static void warn_if_skipped_connectivity_check(struct command *commands,
}
}
if (!checked_connectivity)
- die("BUG: connectivity check skipped???");
+ BUG("connectivity check skipped???");
}
static void execute_commands_non_atomic(struct command *commands,
@@ -1573,30 +1580,29 @@ static void queue_commands_from_cert(struct command **tail,
}
}
-static struct command *read_head_info(struct oid_array *shallow)
+static struct command *read_head_info(struct packet_reader *reader,
+ struct oid_array *shallow)
{
struct command *commands = NULL;
struct command **p = &commands;
for (;;) {
- char *line;
- int len, linelen;
+ int linelen;
- line = packet_read_line(0, &len);
- if (!line)
+ if (packet_reader_read(reader) != PACKET_READ_NORMAL)
break;
- if (len > 8 && starts_with(line, "shallow ")) {
+ if (reader->pktlen > 8 && starts_with(reader->line, "shallow ")) {
struct object_id oid;
- if (get_oid_hex(line + 8, &oid))
+ if (get_oid_hex(reader->line + 8, &oid))
die("protocol error: expected shallow sha, got '%s'",
- line + 8);
+ reader->line + 8);
oid_array_append(shallow, &oid);
continue;
}
- linelen = strlen(line);
- if (linelen < len) {
- const char *feature_list = line + linelen + 1;
+ linelen = strlen(reader->line);
+ if (linelen < reader->pktlen) {
+ const char *feature_list = reader->line + linelen + 1;
if (parse_feature_request(feature_list, "report-status"))
report_status = 1;
if (parse_feature_request(feature_list, "side-band-64k"))
@@ -1611,28 +1617,32 @@ static struct command *read_head_info(struct oid_array *shallow)
use_push_options = 1;
}
- if (!strcmp(line, "push-cert")) {
+ if (!strcmp(reader->line, "push-cert")) {
int true_flush = 0;
- char certbuf[1024];
+ int saved_options = reader->options;
+ reader->options &= ~PACKET_READ_CHOMP_NEWLINE;
for (;;) {
- len = packet_read(0, NULL, NULL,
- certbuf, sizeof(certbuf), 0);
- if (!len) {
+ packet_reader_read(reader);
+ if (reader->status == PACKET_READ_FLUSH) {
true_flush = 1;
break;
}
- if (!strcmp(certbuf, "push-cert-end\n"))
+ if (reader->status != PACKET_READ_NORMAL) {
+ die("protocol error: got an unexpected packet");
+ }
+ if (!strcmp(reader->line, "push-cert-end\n"))
break; /* end of cert */
- strbuf_addstr(&push_cert, certbuf);
+ strbuf_addstr(&push_cert, reader->line);
}
+ reader->options = saved_options;
if (true_flush)
break;
continue;
}
- p = queue_command(p, line, linelen);
+ p = queue_command(p, reader->line, linelen);
}
if (push_cert.len)
@@ -1641,18 +1651,14 @@ static struct command *read_head_info(struct oid_array *shallow)
return commands;
}
-static void read_push_options(struct string_list *options)
+static void read_push_options(struct packet_reader *reader,
+ struct string_list *options)
{
while (1) {
- char *line;
- int len;
-
- line = packet_read_line(0, &len);
-
- if (!line)
+ if (packet_reader_read(reader) != PACKET_READ_NORMAL)
break;
- string_list_append(options, line);
+ string_list_append(options, reader->line);
}
}
@@ -1777,7 +1783,7 @@ static const char *unpack(int err_fd, struct shallow_info *si)
status = finish_command(&child);
if (status)
return "index-pack abnormal exit";
- reprepare_packed_git();
+ reprepare_packed_git(the_repository);
}
return NULL;
}
@@ -1843,7 +1849,7 @@ static void prepare_shallow_update(struct command *commands,
/*
* keep hooks happy by forcing a temporary shallow file via
* env variable because we can't add --shallow-file to every
- * command. check_everything_connected() will be done with
+ * command. check_connected() will be done with
* true .git/shallow though.
*/
setenv(GIT_SHALLOW_FILE_ENVIRONMENT, alt_shallow_file, 1);
@@ -1928,6 +1934,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
struct oid_array shallow = OID_ARRAY_INIT;
struct oid_array ref = OID_ARRAY_INIT;
struct shallow_info si;
+ struct packet_reader reader;
struct option options[] = {
OPT__QUIET(&quiet, N_("quiet")),
@@ -1963,6 +1970,12 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
unpack_limit = receive_unpack_limit;
switch (determine_protocol_version_server()) {
+ case protocol_v2:
+ /*
+ * push support for protocol v2 has not been implemented yet,
+ * so ignore the request to use v2 and fallback to using v0.
+ */
+ break;
case protocol_v1:
/*
* v1 is just the original protocol with a version string,
@@ -1984,12 +1997,16 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
if (advertise_refs)
return 0;
- if ((commands = read_head_info(&shallow)) != NULL) {
+ packet_reader_init(&reader, 0, NULL, 0,
+ PACKET_READ_CHOMP_NEWLINE |
+ PACKET_READ_DIE_ON_ERR_PACKET);
+
+ if ((commands = read_head_info(&reader, &shallow)) != NULL) {
const char *unpack_status = NULL;
struct string_list push_options = STRING_LIST_INIT_DUP;
if (use_push_options)
- read_push_options(&push_options);
+ read_push_options(&reader, &push_options);
if (!check_cert_push_options(&push_options)) {
struct command *cmd;
for (cmd = commands; cmd; cmd = cmd->next)
@@ -2026,7 +2043,7 @@ int cmd_receive_pack(int argc, const char **argv, const char *prefix)
proc.git_cmd = 1;
proc.argv = argv_gc_auto;
- close_all_packs();
+ close_all_packs(the_repository->objects);
if (!start_command(&proc)) {
if (use_sideband)
copy_to_sideband(proc.err, -1, NULL);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 20:54:16 +0000