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-rw-r--r--transport.c669
1 files changed, 476 insertions, 193 deletions
diff --git a/transport.c b/transport.c
index 59b911e..1c76d64 100644
--- a/transport.c
+++ b/transport.c
@@ -1,4 +1,5 @@
#include "cache.h"
+#include "config.h"
#include "transport.h"
#include "run-command.h"
#include "pkt-line.h"
@@ -10,12 +11,66 @@
#include "bundle.h"
#include "dir.h"
#include "refs.h"
+#include "refspec.h"
#include "branch.h"
#include "url.h"
#include "submodule.h"
#include "string-list.h"
#include "sha1-array.h"
#include "sigchain.h"
+#include "transport-internal.h"
+#include "protocol.h"
+#include "object-store.h"
+#include "color.h"
+
+static int transport_use_color = -1;
+static char transport_colors[][COLOR_MAXLEN] = {
+ GIT_COLOR_RESET,
+ GIT_COLOR_RED /* REJECTED */
+};
+
+enum color_transport {
+ TRANSPORT_COLOR_RESET = 0,
+ TRANSPORT_COLOR_REJECTED = 1
+};
+
+static int transport_color_config(void)
+{
+ const char *keys[] = {
+ "color.transport.reset",
+ "color.transport.rejected"
+ }, *key = "color.transport";
+ char *value;
+ int i;
+ static int initialized;
+
+ if (initialized)
+ return 0;
+ initialized = 1;
+
+ if (!git_config_get_string(key, &value))
+ transport_use_color = git_config_colorbool(key, value);
+
+ if (!want_color_stderr(transport_use_color))
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(keys); i++)
+ if (!git_config_get_string(keys[i], &value)) {
+ if (!value)
+ return config_error_nonbool(keys[i]);
+ if (color_parse(value, transport_colors[i]) < 0)
+ return -1;
+ }
+
+ return 0;
+}
+
+static const char *transport_get_color(enum color_transport ix)
+{
+ if (want_color_stderr(transport_use_color))
+ return transport_colors[ix];
+ return "";
+}
static void set_upstreams(struct transport *transport, struct ref *refs,
int pretend)
@@ -25,7 +80,6 @@ static void set_upstreams(struct transport *transport, struct ref *refs,
const char *localname;
const char *tmp;
const char *remotename;
- unsigned char sha[20];
int flag = 0;
/*
* Check suitability for tracking. Must be successful /
@@ -43,7 +97,7 @@ static void set_upstreams(struct transport *transport, struct ref *refs,
localname = ref->peer_ref->name;
remotename = ref->name;
tmp = resolve_ref_unsafe(localname, RESOLVE_REF_READING,
- sha, &flag);
+ NULL, &flag);
if (tmp && flag & REF_ISSYMREF &&
starts_with(tmp, "refs/heads/"))
localname = tmp;
@@ -70,7 +124,9 @@ struct bundle_transport_data {
struct bundle_header header;
};
-static struct ref *get_refs_from_bundle(struct transport *transport, int for_push)
+static struct ref *get_refs_from_bundle(struct transport *transport,
+ int for_push,
+ const struct argv_array *ref_prefixes)
{
struct bundle_transport_data *data = transport->data;
struct ref *result = NULL;
@@ -83,11 +139,11 @@ static struct ref *get_refs_from_bundle(struct transport *transport, int for_pus
close(data->fd);
data->fd = read_bundle_header(transport->url, &data->header);
if (data->fd < 0)
- die ("Could not read bundle '%s'.", transport->url);
+ die(_("could not read bundle '%s'"), transport->url);
for (i = 0; i < data->header.references.nr; i++) {
struct ref_list_entry *e = data->header.references.list + i;
struct ref *ref = alloc_ref(e->name);
- hashcpy(ref->old_oid.hash, e->sha1);
+ oidcpy(&ref->old_oid, &e->oid);
ref->next = result;
result = ref;
}
@@ -116,8 +172,9 @@ struct git_transport_data {
struct child_process *conn;
int fd[2];
unsigned got_remote_heads : 1;
- struct sha1_array extra_have;
- struct sha1_array shallow;
+ enum protocol_version version;
+ struct oid_array extra_have;
+ struct oid_array shallow;
};
static int set_git_option(struct git_transport_options *opts,
@@ -151,6 +208,24 @@ static int set_git_option(struct git_transport_options *opts,
die(_("transport: invalid depth option '%s'"), value);
}
return 0;
+ } else if (!strcmp(name, TRANS_OPT_DEEPEN_SINCE)) {
+ opts->deepen_since = value;
+ return 0;
+ } else if (!strcmp(name, TRANS_OPT_DEEPEN_NOT)) {
+ opts->deepen_not = (const struct string_list *)value;
+ return 0;
+ } else if (!strcmp(name, TRANS_OPT_DEEPEN_RELATIVE)) {
+ opts->deepen_relative = !!value;
+ return 0;
+ } else if (!strcmp(name, TRANS_OPT_FROM_PROMISOR)) {
+ opts->from_promisor = !!value;
+ return 0;
+ } else if (!strcmp(name, TRANS_OPT_NO_DEPENDENTS)) {
+ opts->no_dependents = !!value;
+ return 0;
+ } else if (!strcmp(name, TRANS_OPT_LIST_OBJECTS_FILTER)) {
+ parse_list_objects_filter(&opts->filter_options, value);
+ return 0;
}
return 1;
}
@@ -177,16 +252,35 @@ static int connect_setup(struct transport *transport, int for_push)
return 0;
}
-static struct ref *get_refs_via_connect(struct transport *transport, int for_push)
+static struct ref *get_refs_via_connect(struct transport *transport, int for_push,
+ const struct argv_array *ref_prefixes)
{
struct git_transport_data *data = transport->data;
- struct ref *refs;
+ struct ref *refs = NULL;
+ struct packet_reader reader;
connect_setup(transport, for_push);
- get_remote_heads(data->fd[0], NULL, 0, &refs,
- for_push ? REF_NORMAL : 0,
- &data->extra_have,
- &data->shallow);
+
+ packet_reader_init(&reader, data->fd[0], NULL, 0,
+ PACKET_READ_CHOMP_NEWLINE |
+ PACKET_READ_GENTLE_ON_EOF);
+
+ data->version = discover_version(&reader);
+ switch (data->version) {
+ case protocol_v2:
+ get_remote_refs(data->fd[1], &reader, &refs, for_push,
+ ref_prefixes, transport->server_options);
+ break;
+ case protocol_v1:
+ case protocol_v0:
+ get_remote_heads(&reader, &refs,
+ for_push ? REF_NORMAL : 0,
+ &data->extra_have,
+ &data->shallow);
+ break;
+ case protocol_unknown_version:
+ BUG("unknown protocol version");
+ }
data->got_remote_heads = 1;
return refs;
@@ -195,8 +289,9 @@ static struct ref *get_refs_via_connect(struct transport *transport, int for_pus
static int fetch_refs_via_pack(struct transport *transport,
int nr_heads, struct ref **to_fetch)
{
+ int ret = 0;
struct git_transport_data *data = transport->data;
- struct ref *refs;
+ struct ref *refs = NULL;
char *dest = xstrdup(transport->url);
struct fetch_pack_args args;
struct ref *refs_tmp = NULL;
@@ -211,37 +306,60 @@ static int fetch_refs_via_pack(struct transport *transport,
args.quiet = (transport->verbose < 0);
args.no_progress = !transport->progress;
args.depth = data->options.depth;
+ args.deepen_since = data->options.deepen_since;
+ args.deepen_not = data->options.deepen_not;
+ args.deepen_relative = data->options.deepen_relative;
args.check_self_contained_and_connected =
data->options.check_self_contained_and_connected;
args.cloning = transport->cloning;
args.update_shallow = data->options.update_shallow;
-
- if (!data->got_remote_heads) {
- connect_setup(transport, 0);
- get_remote_heads(data->fd[0], NULL, 0, &refs_tmp, 0,
- NULL, &data->shallow);
- data->got_remote_heads = 1;
+ args.from_promisor = data->options.from_promisor;
+ args.no_dependents = data->options.no_dependents;
+ args.filter_options = data->options.filter_options;
+ args.stateless_rpc = transport->stateless_rpc;
+ args.server_options = transport->server_options;
+ args.negotiation_tips = data->options.negotiation_tips;
+
+ if (!data->got_remote_heads)
+ refs_tmp = get_refs_via_connect(transport, 0, NULL);
+
+ switch (data->version) {
+ case protocol_v2:
+ refs = fetch_pack(&args, data->fd, data->conn,
+ refs_tmp ? refs_tmp : transport->remote_refs,
+ dest, to_fetch, nr_heads, &data->shallow,
+ &transport->pack_lockfile, data->version);
+ break;
+ case protocol_v1:
+ case protocol_v0:
+ refs = fetch_pack(&args, data->fd, data->conn,
+ refs_tmp ? refs_tmp : transport->remote_refs,
+ dest, to_fetch, nr_heads, &data->shallow,
+ &transport->pack_lockfile, data->version);
+ break;
+ case protocol_unknown_version:
+ BUG("unknown protocol version");
}
- refs = fetch_pack(&args, data->fd, data->conn,
- refs_tmp ? refs_tmp : transport->remote_refs,
- dest, to_fetch, nr_heads, &data->shallow,
- &transport->pack_lockfile);
close(data->fd[0]);
close(data->fd[1]);
- if (finish_connect(data->conn)) {
- free_refs(refs);
- refs = NULL;
- }
+ if (finish_connect(data->conn))
+ ret = -1;
data->conn = NULL;
data->got_remote_heads = 0;
data->options.self_contained_and_connected =
args.self_contained_and_connected;
+ data->options.connectivity_checked = args.connectivity_checked;
+
+ if (refs == NULL)
+ ret = -1;
+ if (report_unmatched_refs(to_fetch, nr_heads))
+ ret = -1;
free_refs(refs_tmp);
free_refs(refs);
free(dest);
- return (refs ? 0 : -1);
+ return ret;
}
static int push_had_errors(struct ref *ref)
@@ -275,7 +393,7 @@ int transport_refs_pushed(struct ref *ref)
void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int verbose)
{
- struct refspec rs;
+ struct refspec_item rs;
if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
return;
@@ -287,15 +405,17 @@ void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int v
if (verbose)
fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
if (ref->deletion) {
- delete_ref(rs.dst, NULL, 0);
+ delete_ref(NULL, rs.dst, NULL, 0);
} else
- update_ref("update by push", rs.dst,
- ref->new_oid.hash, NULL, 0, 0);
+ update_ref("update by push", rs.dst, &ref->new_oid,
+ NULL, 0, 0);
free(rs.dst);
}
}
-static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg, int porcelain)
+static void print_ref_status(char flag, const char *summary,
+ struct ref *to, struct ref *from, const char *msg,
+ int porcelain, int summary_width)
{
if (porcelain) {
if (from)
@@ -307,7 +427,13 @@ static void print_ref_status(char flag, const char *summary, struct ref *to, str
else
fprintf(stdout, "%s\n", summary);
} else {
- fprintf(stderr, " %c %-*s ", flag, TRANSPORT_SUMMARY_WIDTH, summary);
+ const char *red = "", *reset = "";
+ if (push_had_errors(to)) {
+ red = transport_get_color(TRANSPORT_COLOR_REJECTED);
+ reset = transport_get_color(TRANSPORT_COLOR_RESET);
+ }
+ fprintf(stderr, " %s%c %-*s%s ", red, flag, summary_width,
+ summary, reset);
if (from)
fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
else
@@ -321,26 +447,23 @@ static void print_ref_status(char flag, const char *summary, struct ref *to, str
}
}
-static const char *status_abbrev(unsigned char sha1[20])
-{
- return find_unique_abbrev(sha1, DEFAULT_ABBREV);
-}
-
-static void print_ok_ref_status(struct ref *ref, int porcelain)
+static void print_ok_ref_status(struct ref *ref, int porcelain, int summary_width)
{
if (ref->deletion)
- print_ref_status('-', "[deleted]", ref, NULL, NULL, porcelain);
+ print_ref_status('-', "[deleted]", ref, NULL, NULL,
+ porcelain, summary_width);
else if (is_null_oid(&ref->old_oid))
print_ref_status('*',
(starts_with(ref->name, "refs/tags/") ? "[new tag]" :
"[new branch]"),
- ref, ref->peer_ref, NULL, porcelain);
+ ref, ref->peer_ref, NULL, porcelain, summary_width);
else {
struct strbuf quickref = STRBUF_INIT;
char type;
const char *msg;
- strbuf_addstr(&quickref, status_abbrev(ref->old_oid.hash));
+ strbuf_add_unique_abbrev(&quickref, &ref->old_oid,
+ DEFAULT_ABBREV);
if (ref->forced_update) {
strbuf_addstr(&quickref, "...");
type = '+';
@@ -350,102 +473,139 @@ static void print_ok_ref_status(struct ref *ref, int porcelain)
type = ' ';
msg = NULL;
}
- strbuf_addstr(&quickref, status_abbrev(ref->new_oid.hash));
+ strbuf_add_unique_abbrev(&quickref, &ref->new_oid,
+ DEFAULT_ABBREV);
- print_ref_status(type, quickref.buf, ref, ref->peer_ref, msg, porcelain);
+ print_ref_status(type, quickref.buf, ref, ref->peer_ref, msg,
+ porcelain, summary_width);
strbuf_release(&quickref);
}
}
-static int print_one_push_status(struct ref *ref, const char *dest, int count, int porcelain)
+static int print_one_push_status(struct ref *ref, const char *dest, int count,
+ int porcelain, int summary_width)
{
- if (!count)
- fprintf(porcelain ? stdout : stderr, "To %s\n", dest);
+ if (!count) {
+ char *url = transport_anonymize_url(dest);
+ fprintf(porcelain ? stdout : stderr, "To %s\n", url);
+ free(url);
+ }
switch(ref->status) {
case REF_STATUS_NONE:
- print_ref_status('X', "[no match]", ref, NULL, NULL, porcelain);
+ print_ref_status('X', "[no match]", ref, NULL, NULL,
+ porcelain, summary_width);
break;
case REF_STATUS_REJECT_NODELETE:
print_ref_status('!', "[rejected]", ref, NULL,
- "remote does not support deleting refs", porcelain);
+ "remote does not support deleting refs",
+ porcelain, summary_width);
break;
case REF_STATUS_UPTODATE:
print_ref_status('=', "[up to date]", ref,
- ref->peer_ref, NULL, porcelain);
+ ref->peer_ref, NULL, porcelain, summary_width);
break;
case REF_STATUS_REJECT_NONFASTFORWARD:
print_ref_status('!', "[rejected]", ref, ref->peer_ref,
- "non-fast-forward", porcelain);
+ "non-fast-forward", porcelain, summary_width);
break;
case REF_STATUS_REJECT_ALREADY_EXISTS:
print_ref_status('!', "[rejected]", ref, ref->peer_ref,
- "already exists", porcelain);
+ "already exists", porcelain, summary_width);
break;
case REF_STATUS_REJECT_FETCH_FIRST:
print_ref_status('!', "[rejected]", ref, ref->peer_ref,
- "fetch first", porcelain);
+ "fetch first", porcelain, summary_width);
break;
case REF_STATUS_REJECT_NEEDS_FORCE:
print_ref_status('!', "[rejected]", ref, ref->peer_ref,
- "needs force", porcelain);
+ "needs force", porcelain, summary_width);
break;
case REF_STATUS_REJECT_STALE:
print_ref_status('!', "[rejected]", ref, ref->peer_ref,
- "stale info", porcelain);
+ "stale info", porcelain, summary_width);
break;
case REF_STATUS_REJECT_SHALLOW:
print_ref_status('!', "[rejected]", ref, ref->peer_ref,
- "new shallow roots not allowed", porcelain);
+ "new shallow roots not allowed",
+ porcelain, summary_width);
break;
case REF_STATUS_REMOTE_REJECT:
print_ref_status('!', "[remote rejected]", ref,
- ref->deletion ? NULL : ref->peer_ref,
- ref->remote_status, porcelain);
+ ref->deletion ? NULL : ref->peer_ref,
+ ref->remote_status, porcelain, summary_width);
break;
case REF_STATUS_EXPECTING_REPORT:
print_ref_status('!', "[remote failure]", ref,
- ref->deletion ? NULL : ref->peer_ref,
- "remote failed to report status", porcelain);
+ ref->deletion ? NULL : ref->peer_ref,
+ "remote failed to report status",
+ porcelain, summary_width);
break;
case REF_STATUS_ATOMIC_PUSH_FAILED:
print_ref_status('!', "[rejected]", ref, ref->peer_ref,
- "atomic push failed", porcelain);
+ "atomic push failed", porcelain, summary_width);
break;
case REF_STATUS_OK:
- print_ok_ref_status(ref, porcelain);
+ print_ok_ref_status(ref, porcelain, summary_width);
break;
}
return 1;
}
+static int measure_abbrev(const struct object_id *oid, int sofar)
+{
+ char hex[GIT_MAX_HEXSZ + 1];
+ int w = find_unique_abbrev_r(hex, oid, DEFAULT_ABBREV);
+
+ return (w < sofar) ? sofar : w;
+}
+
+int transport_summary_width(const struct ref *refs)
+{
+ int maxw = -1;
+
+ for (; refs; refs = refs->next) {
+ maxw = measure_abbrev(&refs->old_oid, maxw);
+ maxw = measure_abbrev(&refs->new_oid, maxw);
+ }
+ if (maxw < 0)
+ maxw = FALLBACK_DEFAULT_ABBREV;
+ return (2 * maxw + 3);
+}
+
void transport_print_push_status(const char *dest, struct ref *refs,
int verbose, int porcelain, unsigned int *reject_reasons)
{
struct ref *ref;
int n = 0;
- unsigned char head_sha1[20];
char *head;
+ int summary_width = transport_summary_width(refs);
- head = resolve_refdup("HEAD", RESOLVE_REF_READING, head_sha1, NULL);
+ if (transport_color_config() < 0)
+ warning(_("could not parse transport.color.* config"));
+
+ head = resolve_refdup("HEAD", RESOLVE_REF_READING, NULL, NULL);
if (verbose) {
for (ref = refs; ref; ref = ref->next)
if (ref->status == REF_STATUS_UPTODATE)
- n += print_one_push_status(ref, dest, n, porcelain);
+ n += print_one_push_status(ref, dest, n,
+ porcelain, summary_width);
}
for (ref = refs; ref; ref = ref->next)
if (ref->status == REF_STATUS_OK)
- n += print_one_push_status(ref, dest, n, porcelain);
+ n += print_one_push_status(ref, dest, n,
+ porcelain, summary_width);
*reject_reasons = 0;
for (ref = refs; ref; ref = ref->next) {
if (ref->status != REF_STATUS_NONE &&
ref->status != REF_STATUS_UPTODATE &&
ref->status != REF_STATUS_OK)
- n += print_one_push_status(ref, dest, n, porcelain);
+ n += print_one_push_status(ref, dest, n,
+ porcelain, summary_width);
if (ref->status == REF_STATUS_REJECT_NONFASTFORWARD) {
if (head != NULL && !strcmp(head, ref->name))
*reject_reasons |= REJECT_NON_FF_HEAD;
@@ -462,43 +622,17 @@ void transport_print_push_status(const char *dest, struct ref *refs,
free(head);
}
-void transport_verify_remote_names(int nr_heads, const char **heads)
-{
- int i;
-
- for (i = 0; i < nr_heads; i++) {
- const char *local = heads[i];
- const char *remote = strrchr(heads[i], ':');
-
- if (*local == '+')
- local++;
-
- /* A matching refspec is okay. */
- if (remote == local && remote[1] == '\0')
- continue;
-
- remote = remote ? (remote + 1) : local;
- if (check_refname_format(remote,
- REFNAME_ALLOW_ONELEVEL|REFNAME_REFSPEC_PATTERN))
- die("remote part of refspec is not a valid name in %s",
- heads[i]);
- }
-}
-
static int git_transport_push(struct transport *transport, struct ref *remote_refs, int flags)
{
struct git_transport_data *data = transport->data;
struct send_pack_args args;
- int ret;
+ int ret = 0;
- if (!data->got_remote_heads) {
- struct ref *tmp_refs;
- connect_setup(transport, 1);
+ if (transport_color_config() < 0)
+ return -1;
- get_remote_heads(data->fd[0], NULL, 0, &tmp_refs, REF_NORMAL,
- NULL, &data->shallow);
- data->got_remote_heads = 1;
- }
+ if (!data->got_remote_heads)
+ get_refs_via_connect(transport, 1, NULL);
memset(&args, 0, sizeof(args));
args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
@@ -510,6 +644,7 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re
args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN);
args.atomic = !!(flags & TRANSPORT_PUSH_ATOMIC);
+ args.push_options = transport->push_options;
args.url = transport->url;
if (flags & TRANSPORT_PUSH_CERT_ALWAYS)
@@ -519,8 +654,18 @@ static int git_transport_push(struct transport *transport, struct ref *remote_re
else
args.push_cert = SEND_PACK_PUSH_CERT_NEVER;
- ret = send_pack(&args, data->fd, data->conn, remote_refs,
- &data->extra_have);
+ switch (data->version) {
+ case protocol_v2:
+ die(_("support for protocol v2 not implemented yet"));
+ break;
+ case protocol_v1:
+ case protocol_v0:
+ ret = send_pack(&args, data->fd, data->conn, remote_refs,
+ &data->extra_have);
+ break;
+ case protocol_unknown_version:
+ BUG("unknown protocol version");
+ }
close(data->fd[1]);
close(data->fd[0]);
@@ -557,13 +702,22 @@ static int disconnect_git(struct transport *transport)
return 0;
}
+static struct transport_vtable taken_over_vtable = {
+ NULL,
+ get_refs_via_connect,
+ fetch_refs_via_pack,
+ git_transport_push,
+ NULL,
+ disconnect_git
+};
+
void transport_take_over(struct transport *transport,
struct child_process *child)
{
struct git_transport_data *data;
if (!transport->smart_options)
- die("Bug detected: Taking over transport requires non-NULL "
+ BUG("taking over transport requires non-NULL "
"smart_options field.");
data = xcalloc(1, sizeof(*data));
@@ -574,12 +728,7 @@ void transport_take_over(struct transport *transport,
data->got_remote_heads = 0;
transport->data = data;
- transport->set_option = NULL;
- transport->get_refs_list = get_refs_via_connect;
- transport->fetch = fetch_refs_via_pack;
- transport->push = NULL;
- transport->push_refs = git_transport_push;
- transport->disconnect = disconnect_git;
+ transport->vtable = &taken_over_vtable;
transport->smart_options = &(data->options);
transport->cannot_reuse = 1;
@@ -617,23 +766,109 @@ static const struct string_list *protocol_whitelist(void)
return enabled ? &allowed : NULL;
}
-int is_transport_allowed(const char *type)
+enum protocol_allow_config {
+ PROTOCOL_ALLOW_NEVER = 0,
+ PROTOCOL_ALLOW_USER_ONLY,
+ PROTOCOL_ALLOW_ALWAYS
+};
+
+static enum protocol_allow_config parse_protocol_config(const char *key,
+ const char *value)
{
- const struct string_list *allowed = protocol_whitelist();
- return !allowed || string_list_has_string(allowed, type);
+ if (!strcasecmp(value, "always"))
+ return PROTOCOL_ALLOW_ALWAYS;
+ else if (!strcasecmp(value, "never"))
+ return PROTOCOL_ALLOW_NEVER;
+ else if (!strcasecmp(value, "user"))
+ return PROTOCOL_ALLOW_USER_ONLY;
+
+ die(_("unknown value for config '%s': %s"), key, value);
}
-void transport_check_allowed(const char *type)
+static enum protocol_allow_config get_protocol_config(const char *type)
{
- if (!is_transport_allowed(type))
- die("transport '%s' not allowed", type);
+ char *key = xstrfmt("protocol.%s.allow", type);
+ char *value;
+
+ /* first check the per-protocol config */
+ if (!git_config_get_string(key, &value)) {
+ enum protocol_allow_config ret =
+ parse_protocol_config(key, value);
+ free(key);
+ free(value);
+ return ret;
+ }
+ free(key);
+
+ /* if defined, fallback to user-defined default for unknown protocols */
+ if (!git_config_get_string("protocol.allow", &value)) {
+ enum protocol_allow_config ret =
+ parse_protocol_config("protocol.allow", value);
+ free(value);
+ return ret;
+ }
+
+ /* fallback to built-in defaults */
+ /* known safe */
+ if (!strcmp(type, "http") ||
+ !strcmp(type, "https") ||
+ !strcmp(type, "git") ||
+ !strcmp(type, "ssh") ||
+ !strcmp(type, "file"))
+ return PROTOCOL_ALLOW_ALWAYS;
+
+ /* known scary; err on the side of caution */
+ if (!strcmp(type, "ext"))
+ return PROTOCOL_ALLOW_NEVER;
+
+ /* unknown; by default let them be used only directly by the user */
+ return PROTOCOL_ALLOW_USER_ONLY;
}
-int transport_restrict_protocols(void)
+int is_transport_allowed(const char *type, int from_user)
{
- return !!protocol_whitelist();
+ const struct string_list *whitelist = protocol_whitelist();
+ if (whitelist)
+ return string_list_has_string(whitelist, type);
+
+ switch (get_protocol_config(type)) {
+ case PROTOCOL_ALLOW_ALWAYS:
+ return 1;
+ case PROTOCOL_ALLOW_NEVER:
+ return 0;
+ case PROTOCOL_ALLOW_USER_ONLY:
+ if (from_user < 0)
+ from_user = git_env_bool("GIT_PROTOCOL_FROM_USER", 1);
+ return from_user;
+ }
+
+ BUG("invalid protocol_allow_config type");
}
+void transport_check_allowed(const char *type)
+{
+ if (!is_transport_allowed(type, -1))
+ die(_("transport '%s' not allowed"), type);
+}
+
+static struct transport_vtable bundle_vtable = {
+ NULL,
+ get_refs_from_bundle,
+ fetch_refs_from_bundle,
+ NULL,
+ NULL,
+ close_bundle
+};
+
+static struct transport_vtable builtin_smart_vtable = {
+ NULL,
+ get_refs_via_connect,
+ fetch_refs_via_pack,
+ git_transport_push,
+ connect_git,
+ disconnect_git
+};
+
struct transport *transport_get(struct remote *remote, const char *url)
{
const char *helper;
@@ -642,7 +877,7 @@ struct transport *transport_get(struct remote *remote, const char *url)
ret->progress = isatty(2);
if (!remote)
- die("No remote provided to transport_get()");
+ BUG("No remote provided to transport_get()");
ret->got_remote_refs = 0;
ret->remote = remote;
@@ -665,14 +900,12 @@ struct transport *transport_get(struct remote *remote, const char *url)
if (helper) {
transport_helper_init(ret, helper);
} else if (starts_with(url, "rsync:")) {
- die("git-over-rsync is no longer supported");
+ die(_("git-over-rsync is no longer supported"));
} else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) {
struct bundle_transport_data *data = xcalloc(1, sizeof(*data));
transport_check_allowed("file");
ret->data = data;
- ret->get_refs_list = get_refs_from_bundle;
- ret->fetch = fetch_refs_from_bundle;
- ret->disconnect = close_bundle;
+ ret->vtable = &bundle_vtable;
ret->smart_options = NULL;
} else if (!is_url(url)
|| starts_with(url, "file://")
@@ -687,12 +920,7 @@ struct transport *transport_get(struct remote *remote, const char *url)
*/
struct git_transport_data *data = xcalloc(1, sizeof(*data));
ret->data = data;
- ret->set_option = NULL;
- ret->get_refs_list = get_refs_via_connect;
- ret->fetch = fetch_refs_via_pack;
- ret->push_refs = git_transport_push;
- ret->connect = connect_git;
- ret->disconnect = disconnect_git;
+ ret->vtable = &builtin_smart_vtable;
ret->smart_options = &(data->options);
data->conn = NULL;
@@ -726,9 +954,9 @@ int transport_set_option(struct transport *transport,
git_reports = set_git_option(transport->smart_options,
name, value);
- if (transport->set_option)
- protocol_reports = transport->set_option(transport, name,
- value);
+ if (transport->vtable->set_option)
+ protocol_reports = transport->vtable->set_option(transport,
+ name, value);
/* If either report is 0, report 0 (success). */
if (!git_reports || !protocol_reports)
@@ -770,7 +998,7 @@ static void die_with_unpushed_submodules(struct string_list *needs_pushing)
fprintf(stderr, _("The following submodule paths contain changes that can\n"
"not be found on any remote:\n"));
for (i = 0; i < needs_pushing->nr; i++)
- printf(" %s\n", needs_pushing->items[i].string);
+ fprintf(stderr, " %s\n", needs_pushing->items[i].string);
fprintf(stderr, _("\nPlease try\n\n"
" git push --recurse-submodules=on-demand\n\n"
"or cd to the path and use\n\n"
@@ -845,19 +1073,15 @@ static int run_pre_push_hook(struct transport *transport,
}
int transport_push(struct transport *transport,
- int refspec_nr, const char **refspec, int flags,
+ struct refspec *rs, int flags,
unsigned int *reject_reasons)
{
*reject_reasons = 0;
- transport_verify_remote_names(refspec_nr, refspec);
- if (transport->push) {
- /* Maybe FIXME. But no important transport uses this case. */
- if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
- die("This transport does not support using --set-upstream");
+ if (transport_color_config() < 0)
+ return -1;
- return transport->push(transport, refspec_nr, refspec, flags);
- } else if (transport->push_refs) {
+ if (transport->vtable->push_refs) {
struct ref *remote_refs;
struct ref *local_refs = get_local_heads();
int match_flags = MATCH_REFS_NONE;
@@ -866,11 +1090,17 @@ int transport_push(struct transport *transport,
int porcelain = flags & TRANSPORT_PUSH_PORCELAIN;
int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
int push_ret, ret, err;
+ struct argv_array ref_prefixes = ARGV_ARRAY_INIT;
- if (check_push_refs(local_refs, refspec_nr, refspec) < 0)
+ if (check_push_refs(local_refs, rs) < 0)
return -1;
- remote_refs = transport->get_refs_list(transport, 1);
+ refspec_ref_prefixes(rs, &ref_prefixes);
+
+ remote_refs = transport->vtable->get_refs_list(transport, 1,
+ &ref_prefixes);
+
+ argv_array_clear(&ref_prefixes);
if (flags & TRANSPORT_PUSH_ALL)
match_flags |= MATCH_REFS_ALL;
@@ -881,10 +1111,8 @@ int transport_push(struct transport *transport,
if (flags & TRANSPORT_PUSH_FOLLOW_TAGS)
match_flags |= MATCH_REFS_FOLLOW_TAGS;
- if (match_push_refs(local_refs, &remote_refs,
- refspec_nr, refspec, match_flags)) {
+ if (match_push_refs(local_refs, &remote_refs, rs, match_flags))
return -1;
- }
if (transport->smart_options &&
transport->smart_options->cas &&
@@ -900,28 +1128,54 @@ int transport_push(struct transport *transport,
if (run_pre_push_hook(transport, remote_refs))
return -1;
- if ((flags & TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND) && !is_bare_repository()) {
+ if ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
+ TRANSPORT_RECURSE_SUBMODULES_ONLY)) &&
+ !is_bare_repository()) {
struct ref *ref = remote_refs;
+ struct oid_array commits = OID_ARRAY_INIT;
+
for (; ref; ref = ref->next)
- if (!is_null_oid(&ref->new_oid) &&
- !push_unpushed_submodules(ref->new_oid.hash,
- transport->remote->name))
- die ("Failed to push all needed submodules!");
+ if (!is_null_oid(&ref->new_oid))
+ oid_array_append(&commits,
+ &ref->new_oid);
+
+ if (!push_unpushed_submodules(&commits,
+ transport->remote,
+ rs,
+ transport->push_options,
+ pretend)) {
+ oid_array_clear(&commits);
+ die(_("failed to push all needed submodules"));
+ }
+ oid_array_clear(&commits);
}
- if ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
- TRANSPORT_RECURSE_SUBMODULES_CHECK)) && !is_bare_repository()) {
+ if (((flags & TRANSPORT_RECURSE_SUBMODULES_CHECK) ||
+ ((flags & (TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND |
+ TRANSPORT_RECURSE_SUBMODULES_ONLY)) &&
+ !pretend)) && !is_bare_repository()) {
struct ref *ref = remote_refs;
struct string_list needs_pushing = STRING_LIST_INIT_DUP;
+ struct oid_array commits = OID_ARRAY_INIT;
for (; ref; ref = ref->next)
- if (!is_null_oid(&ref->new_oid) &&
- find_unpushed_submodules(ref->new_oid.hash,
- transport->remote->name, &needs_pushing))
- die_with_unpushed_submodules(&needs_pushing);
+ if (!is_null_oid(&ref->new_oid))
+ oid_array_append(&commits,
+ &ref->new_oid);
+
+ if (find_unpushed_submodules(&commits, transport->remote->name,
+ &needs_pushing)) {
+ oid_array_clear(&commits);
+ die_with_unpushed_submodules(&needs_pushing);
+ }
+ string_list_clear(&needs_pushing, 0);
+ oid_array_clear(&commits);
}
- push_ret = transport->push_refs(transport, remote_refs, flags);
+ if (!(flags & TRANSPORT_RECURSE_SUBMODULES_ONLY))
+ push_ret = transport->vtable->push_refs(transport, remote_refs, flags);
+ else
+ push_ret = 0;
err = push_had_errors(remote_refs);
ret = push_ret | err;
@@ -933,7 +1187,8 @@ int transport_push(struct transport *transport,
if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
set_upstreams(transport, remote_refs, pretend);
- if (!(flags & TRANSPORT_PUSH_DRY_RUN)) {
+ if (!(flags & (TRANSPORT_PUSH_DRY_RUN |
+ TRANSPORT_RECURSE_SUBMODULES_ONLY))) {
struct ref *ref;
for (ref = remote_refs; ref; ref = ref->next)
transport_update_tracking_ref(transport->remote, ref, verbose);
@@ -949,10 +1204,13 @@ int transport_push(struct transport *transport,
return 1;
}
-const struct ref *transport_get_remote_refs(struct transport *transport)
+const struct ref *transport_get_remote_refs(struct transport *transport,
+ const struct argv_array *ref_prefixes)
{
if (!transport->got_remote_refs) {
- transport->remote_refs = transport->get_refs_list(transport, 0);
+ transport->remote_refs =
+ transport->vtable->get_refs_list(transport, 0,
+ ref_prefixes);
transport->got_remote_refs = 1;
}
@@ -970,7 +1228,7 @@ int transport_fetch_refs(struct transport *transport, struct ref *refs)
nr_refs++;
if (rm->peer_ref &&
!is_null_oid(&rm->old_oid) &&
- !oidcmp(&rm->peer_ref->old_oid, &rm->old_oid))
+ oideq(&rm->peer_ref->old_oid, &rm->old_oid))
continue;
ALLOC_GROW(heads, nr_heads + 1, nr_alloc);
heads[nr_heads++] = rm;
@@ -989,7 +1247,7 @@ int transport_fetch_refs(struct transport *transport, struct ref *refs)
heads[nr_heads++] = rm;
}
- rc = transport->fetch(transport, nr_heads, heads);
+ rc = transport->vtable->fetch(transport, nr_heads, heads);
free(heads);
return rc;
@@ -999,25 +1257,24 @@ void transport_unlock_pack(struct transport *transport)
{
if (transport->pack_lockfile) {
unlink_or_warn(transport->pack_lockfile);
- free(transport->pack_lockfile);
- transport->pack_lockfile = NULL;
+ FREE_AND_NULL(transport->pack_lockfile);
}
}
int transport_connect(struct transport *transport, const char *name,
const char *exec, int fd[2])
{
- if (transport->connect)
- return transport->connect(transport, name, exec, fd);
+ if (transport->vtable->connect)
+ return transport->vtable->connect(transport, name, exec, fd);
else
- die("Operation not supported by protocol");
+ die(_("operation not supported by protocol"));
}
int transport_disconnect(struct transport *transport)
{
int ret = 0;
- if (transport->disconnect)
- ret = transport->disconnect(transport);
+ if (transport->vtable->disconnect)
+ ret = transport->vtable->disconnect(transport);
free(transport);
return ret;
}
@@ -1068,6 +1325,42 @@ literal_copy:
return xstrdup(url);
}
+static void read_alternate_refs(const char *path,
+ alternate_ref_fn *cb,
+ void *data)
+{
+ struct child_process cmd = CHILD_PROCESS_INIT;
+ struct strbuf line = STRBUF_INIT;
+ FILE *fh;
+
+ cmd.git_cmd = 1;
+ argv_array_pushf(&cmd.args, "--git-dir=%s", path);
+ argv_array_push(&cmd.args, "for-each-ref");
+ argv_array_push(&cmd.args, "--format=%(objectname) %(refname)");
+ cmd.env = local_repo_env;
+ cmd.out = -1;
+
+ if (start_command(&cmd))
+ return;
+
+ fh = xfdopen(cmd.out, "r");
+ while (strbuf_getline_lf(&line, fh) != EOF) {
+ struct object_id oid;
+
+ if (get_oid_hex(line.buf, &oid) ||
+ line.buf[GIT_SHA1_HEXSZ] != ' ') {
+ warning(_("invalid line while parsing alternate refs: %s"),
+ line.buf);
+ break;
+ }
+
+ cb(line.buf + GIT_SHA1_HEXSZ + 1, &oid, data);
+ }
+
+ fclose(fh);
+ finish_command(&cmd);
+}
+
struct alternate_refs_data {
alternate_ref_fn *fn;
void *data;
@@ -1076,36 +1369,26 @@ struct alternate_refs_data {
static int refs_from_alternate_cb(struct alternate_object_database *e,
void *data)
{
- char *other;
- size_t len;
- struct remote *remote;
- struct transport *transport;
- const struct ref *extra;
+ struct strbuf path = STRBUF_INIT;
+ size_t base_len;
struct alternate_refs_data *cb = data;
- e->name[-1] = '\0';
- other = xstrdup(real_path(e->base));
- e->name[-1] = '/';
- len = strlen(other);
-
- while (other[len-1] == '/')
- other[--len] = '\0';
- if (len < 8 || memcmp(other + len - 8, "/objects", 8))
+ if (!strbuf_realpath(&path, e->path, 0))
+ goto out;
+ if (!strbuf_strip_suffix(&path, "/objects"))
goto out;
+ base_len = path.len;
+
/* Is this a git repository with refs? */
- memcpy(other + len - 8, "/refs", 6);
- if (!is_directory(other))
+ strbuf_addstr(&path, "/refs");
+ if (!is_directory(path.buf))
goto out;
- other[len - 8] = '\0';
- remote = remote_get(other);
- transport = transport_get(remote, other);
- for (extra = transport_get_remote_refs(transport);
- extra;
- extra = extra->next)
- cb->fn(extra, cb->data);
- transport_disconnect(transport);
+ strbuf_setlen(&path, base_len);
+
+ read_alternate_refs(path.buf, cb->fn, cb->data);
+
out:
- free(other);
+ strbuf_release(&path);
return 0;
}