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Diffstat (limited to 'transport-helper.c')
-rw-r--r--transport-helper.c130
1 files changed, 106 insertions, 24 deletions
diff --git a/transport-helper.c b/transport-helper.c
index 965b778cb3..b32e2d64dd 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -11,6 +11,7 @@
#include "thread-utils.h"
#include "sigchain.h"
#include "argv-array.h"
+#include "refs.h"
static int debug;
@@ -25,7 +26,10 @@ struct helper_data {
option : 1,
push : 1,
connect : 1,
- no_disconnect_req : 1;
+ signed_tags : 1,
+ check_connectivity : 1,
+ no_disconnect_req : 1,
+ no_private_update : 1;
char *export_marks;
char *import_marks;
/* These go from remote name (as in "list") to private name */
@@ -46,7 +50,7 @@ static void sendline(struct helper_data *helper, struct strbuf *buffer)
die_errno("Full write to remote helper failed");
}
-static int recvline_fh(FILE *helper, struct strbuf *buffer)
+static int recvline_fh(FILE *helper, struct strbuf *buffer, const char *name)
{
strbuf_reset(buffer);
if (debug)
@@ -64,7 +68,7 @@ static int recvline_fh(FILE *helper, struct strbuf *buffer)
static int recvline(struct helper_data *helper, struct strbuf *buffer)
{
- return recvline_fh(helper->out, buffer);
+ return recvline_fh(helper->out, buffer, helper->name);
}
static void xchgline(struct helper_data *helper, struct strbuf *buffer)
@@ -184,6 +188,8 @@ static struct child_process *get_helper(struct transport *transport)
data->bidi_import = 1;
else if (!strcmp(capname, "export"))
data->export = 1;
+ else if (!strcmp(capname, "check-connectivity"))
+ data->check_connectivity = 1;
else if (!data->refspecs && !prefixcmp(capname, "refspec ")) {
ALLOC_GROW(refspecs,
refspec_nr + 1,
@@ -191,6 +197,8 @@ static struct child_process *get_helper(struct transport *transport)
refspecs[refspec_nr++] = xstrdup(capname + strlen("refspec "));
} else if (!strcmp(capname, "connect")) {
data->connect = 1;
+ } else if (!strcmp(capname, "signed-tags")) {
+ data->signed_tags = 1;
} else if (!prefixcmp(capname, "export-marks ")) {
struct strbuf arg = STRBUF_INIT;
strbuf_addstr(&arg, "--export-marks=");
@@ -201,6 +209,8 @@ static struct child_process *get_helper(struct transport *transport)
strbuf_addstr(&arg, "--import-marks=");
strbuf_addstr(&arg, capname + strlen("import-marks "));
data->import_marks = strbuf_detach(&arg, NULL);
+ } else if (!prefixcmp(capname, "no-private-update")) {
+ data->no_private_update = 1;
} else if (mandatory) {
die("Unknown mandatory capability %s. This remote "
"helper probably needs newer version of Git.",
@@ -211,10 +221,11 @@ static struct child_process *get_helper(struct transport *transport)
int i;
data->refspec_nr = refspec_nr;
data->refspecs = parse_fetch_refspec(refspec_nr, refspecs);
- for (i = 0; i < refspec_nr; i++) {
+ for (i = 0; i < refspec_nr; i++)
free((char *)refspecs[i]);
- }
free(refspecs);
+ } else if (data->import || data->bidi_import || data->export) {
+ warning("This remote helper should implement refspec capability.");
}
strbuf_release(&buf);
if (debug)
@@ -344,6 +355,9 @@ static int fetch_with_fetch(struct transport *transport,
struct strbuf buf = STRBUF_INIT;
standard_options(transport);
+ if (data->check_connectivity &&
+ data->transport_options.check_self_contained_and_connected)
+ set_helper_option(transport, "check-connectivity", "true");
for (i = 0; i < nr_heads; i++) {
const struct ref *posn = to_fetch[i];
@@ -367,6 +381,10 @@ static int fetch_with_fetch(struct transport *transport,
else
transport->pack_lockfile = xstrdup(name);
}
+ else if (data->check_connectivity &&
+ data->transport_options.check_self_contained_and_connected &&
+ !strcmp(buf.buf, "connectivity-ok"))
+ data->transport_options.self_contained_and_connected = 1;
else if (!buf.len)
break;
else
@@ -410,9 +428,11 @@ static int get_exporter(struct transport *transport,
/* we need to duplicate helper->in because we want to use it after
* fastexport is done with it. */
fastexport->out = dup(helper->in);
- fastexport->argv = xcalloc(5 + revlist_args->nr, sizeof(*fastexport->argv));
+ fastexport->argv = xcalloc(6 + revlist_args->nr, sizeof(*fastexport->argv));
fastexport->argv[argc++] = "fast-export";
fastexport->argv[argc++] = "--use-done-feature";
+ fastexport->argv[argc++] = data->signed_tags ?
+ "--signed-tags=verbatim" : "--signed-tags=warn-strip";
if (data->export_marks)
fastexport->argv[argc++] = data->export_marks;
if (data->import_marks)
@@ -469,7 +489,7 @@ static int fetch_with_import(struct transport *transport,
* were fetching.
*
* (If no "refspec" capability was specified, for historical
- * reasons we default to *:*.)
+ * reasons we default to the equivalent of *:*.)
*
* Store the result in to_fetch[i].old_sha1. Callers such
* as "git fetch" can use the value to write feedback to the
@@ -536,7 +556,7 @@ static int process_connect_service(struct transport *transport,
goto exit;
sendline(data, &cmdbuf);
- recvline_fh(input, &cmdbuf);
+ recvline_fh(input, &cmdbuf, name);
if (!strcmp(cmdbuf.buf, "")) {
data->no_disconnect_req = 1;
if (debug)
@@ -618,7 +638,7 @@ static int fetch(struct transport *transport,
return -1;
}
-static void push_update_ref_status(struct strbuf *buf,
+static int push_update_ref_status(struct strbuf *buf,
struct ref **ref,
struct ref *remote_refs)
{
@@ -666,6 +686,21 @@ static void push_update_ref_status(struct strbuf *buf,
free(msg);
msg = NULL;
}
+ else if (!strcmp(msg, "fetch first")) {
+ status = REF_STATUS_REJECT_FETCH_FIRST;
+ free(msg);
+ msg = NULL;
+ }
+ else if (!strcmp(msg, "needs force")) {
+ status = REF_STATUS_REJECT_NEEDS_FORCE;
+ free(msg);
+ msg = NULL;
+ }
+ else if (!strcmp(msg, "stale info")) {
+ status = REF_STATUS_REJECT_STALE;
+ free(msg);
+ msg = NULL;
+ }
}
if (*ref)
@@ -674,7 +709,7 @@ static void push_update_ref_status(struct strbuf *buf,
*ref = find_ref_by_name(remote_refs, refname);
if (!*ref) {
warning("helper reported unexpected status of %s", refname);
- return;
+ return 1;
}
if ((*ref)->status != REF_STATUS_NONE) {
@@ -683,11 +718,12 @@ static void push_update_ref_status(struct strbuf *buf,
* status reported by the remote helper if the latter is 'no match'.
*/
if (status == REF_STATUS_NONE)
- return;
+ return 1;
}
(*ref)->status = status;
(*ref)->remote_status = msg;
+ return !(status == REF_STATUS_OK);
}
static void push_update_refs_status(struct helper_data *data,
@@ -696,23 +732,38 @@ static void push_update_refs_status(struct helper_data *data,
struct strbuf buf = STRBUF_INIT;
struct ref *ref = remote_refs;
for (;;) {
+ char *private;
+
recvline(data, &buf);
if (!buf.len)
break;
- push_update_ref_status(&buf, &ref, remote_refs);
+ if (push_update_ref_status(&buf, &ref, remote_refs))
+ continue;
+
+ if (!data->refspecs || data->no_private_update)
+ continue;
+
+ /* propagate back the update to the remote namespace */
+ private = apply_refspecs(data->refspecs, data->refspec_nr, ref->name);
+ if (!private)
+ continue;
+ update_ref("update by helper", private, ref->new_sha1, NULL, 0, 0);
+ free(private);
}
strbuf_release(&buf);
}
static int push_refs_with_push(struct transport *transport,
- struct ref *remote_refs, int flags)
+ struct ref *remote_refs, int flags)
{
int force_all = flags & TRANSPORT_PUSH_FORCE;
int mirror = flags & TRANSPORT_PUSH_MIRROR;
struct helper_data *data = transport->data;
struct strbuf buf = STRBUF_INIT;
struct ref *ref;
+ struct string_list cas_options = STRING_LIST_INIT_DUP;
+ struct string_list_item *cas_option;
get_helper(transport);
if (!data->push)
@@ -725,6 +776,7 @@ static int push_refs_with_push(struct transport *transport,
/* Check for statuses set by set_ref_status_for_push() */
switch (ref->status) {
case REF_STATUS_REJECT_NONFASTFORWARD:
+ case REF_STATUS_REJECT_STALE:
case REF_STATUS_REJECT_ALREADY_EXISTS:
case REF_STATUS_UPTODATE:
continue;
@@ -747,11 +799,29 @@ static int push_refs_with_push(struct transport *transport,
strbuf_addch(&buf, ':');
strbuf_addstr(&buf, ref->name);
strbuf_addch(&buf, '\n');
+
+ /*
+ * The "--force-with-lease" options without explicit
+ * values to expect have already been expanded into
+ * the ref->old_sha1_expect[] field; we can ignore
+ * transport->smart_options->cas altogether and instead
+ * can enumerate them from the refs.
+ */
+ if (ref->expect_old_sha1) {
+ struct strbuf cas = STRBUF_INIT;
+ strbuf_addf(&cas, "%s:%s",
+ ref->name, sha1_to_hex(ref->old_sha1_expect));
+ string_list_append(&cas_options, strbuf_detach(&cas, NULL));
+ }
}
- if (buf.len == 0)
+ if (buf.len == 0) {
+ string_list_clear(&cas_options, 0);
return 0;
+ }
standard_options(transport);
+ for_each_string_list_item(cas_option, &cas_options)
+ set_helper_option(transport, "cas", cas_option->string);
if (flags & TRANSPORT_PUSH_DRY_RUN) {
if (set_helper_option(transport, "dry-run", "true") != 0)
@@ -775,6 +845,14 @@ static int push_refs_with_export(struct transport *transport,
struct string_list revlist_args = STRING_LIST_INIT_NODUP;
struct strbuf buf = STRBUF_INIT;
+ if (!data->refspecs)
+ die("remote-helper doesn't support push; refspec needed");
+
+ if (flags & TRANSPORT_PUSH_DRY_RUN) {
+ if (set_helper_option(transport, "dry-run", "true") != 0)
+ die("helper %s does not support dry-run", data->name);
+ }
+
helper = get_helper(transport);
write_constant(helper->in, "export\n");
@@ -785,22 +863,25 @@ static int push_refs_with_export(struct transport *transport,
char *private;
unsigned char sha1[20];
- if (!data->refspecs)
- continue;
+ if (ref->deletion)
+ die("remote-helpers do not support ref deletion");
+
private = apply_refspecs(data->refspecs, data->refspec_nr, ref->name);
if (private && !get_sha1(private, sha1)) {
strbuf_addf(&buf, "^%s", private);
string_list_append(&revlist_args, strbuf_detach(&buf, NULL));
+ hashcpy(ref->old_sha1, sha1);
}
free(private);
- if (ref->deletion) {
+ if (ref->deletion)
die("remote-helpers do not support ref deletion");
- }
- if (ref->peer_ref)
+ if (ref->peer_ref) {
+ if (strcmp(ref->peer_ref->name, ref->name))
+ die("remote-helpers do not support old:new syntax");
string_list_append(&revlist_args, ref->peer_ref->name);
-
+ }
}
if (get_exporter(transport, &exporter, &revlist_args))
@@ -940,6 +1021,7 @@ int transport_helper_init(struct transport *transport, const char *name)
#define PBUFFERSIZE 8192
/* Print bidirectional transfer loop debug message. */
+__attribute__((format (printf, 1, 2)))
static void transfer_debug(const char *fmt, ...)
{
va_list args;
@@ -981,7 +1063,7 @@ struct unidirectional_transfer {
int src_is_sock;
/* Is destination socket? */
int dest_is_sock;
- /* Transfer state (TRANSFERING/FLUSHING/FINISHED) */
+ /* Transfer state (TRANSFERRING/FLUSHING/FINISHED) */
int state;
/* Buffer. */
char buf[BUFFERSIZE];
@@ -1025,7 +1107,7 @@ static int udt_do_read(struct unidirectional_transfer *t)
return -1;
} else if (bytes == 0) {
transfer_debug("%s EOF (with %i bytes in buffer)",
- t->src_name, t->bufuse);
+ t->src_name, (int)t->bufuse);
t->state = SSTATE_FLUSHING;
} else if (bytes > 0) {
t->bufuse += bytes;
@@ -1089,7 +1171,7 @@ static void *udt_copy_task_routine(void *udt)
#ifndef NO_PTHREADS
/*
- * Join thread, with apporiate errors on failure. Name is name for the
+ * Join thread, with appropriate errors on failure. Name is name for the
* thread (for error messages). Returns 0 on success, 1 on failure.
*/
static int tloop_join(pthread_t thread, const char *name)
@@ -1155,7 +1237,7 @@ static void udt_kill_transfer(struct unidirectional_transfer *t)
}
/*
- * Join process, with apporiate errors on failure. Name is name for the
+ * Join process, with appropriate errors on failure. Name is name for the
* process (for error messages). Returns 0 on success, 1 on failure.
*/
static int tloop_join(pid_t pid, const char *name)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 19:42:45 +0000