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Diffstat (limited to 'transport-helper.c')
-rw-r--r--transport-helper.c48
1 files changed, 32 insertions, 16 deletions
diff --git a/transport-helper.c b/transport-helper.c
index 522d79178e..2f5ac3fbee 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;
@@ -47,7 +48,7 @@ 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)
@@ -55,7 +56,7 @@ static int recvline_fh(FILE *helper, struct strbuf *buffer)
if (strbuf_getline(buffer, helper, '\n') == EOF) {
if (debug)
fprintf(stderr, "Debug: Remote helper quit.\n");
- exit(128);
+ die("Reading from helper 'git-remote-%s' failed", name);
}
if (debug)
@@ -65,7 +66,7 @@ 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)
@@ -217,6 +218,8 @@ static struct child_process *get_helper(struct transport *transport)
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)
@@ -473,7 +476,7 @@ 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
@@ -540,7 +543,7 @@ 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)
@@ -622,7 +625,7 @@ 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)
{
@@ -688,7 +691,7 @@ 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) {
@@ -697,11 +700,12 @@ 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,
@@ -710,11 +714,24 @@ 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)
+ 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);
}
@@ -789,6 +806,9 @@ 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");
+
helper = get_helper(transport);
write_constant(helper->in, "export\n");
@@ -799,8 +819,9 @@ 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);
@@ -809,13 +830,8 @@ static int push_refs_with_export(struct transport *transport,
}
free(private);
- if (ref->deletion) {
- die("remote-helpers do not support ref deletion");
- }
-
if (ref->peer_ref)
string_list_append(&revlist_args, ref->peer_ref->name);
-
}
if (get_exporter(transport, &exporter, &revlist_args))