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authorJunio C Hamano <gitster@pobox.com>2009-12-06 22:40:16 -0800
committerJunio C Hamano <gitster@pobox.com>2009-12-06 22:40:16 -0800
commita24a32ddb30c904d244fe911f4d9e7e3924fdac7 (patch)
treeec39c0620c53f518b7709ee1b9c14c70e91e8cf4 /transport-helper.c
parent53970b92d9dc883669f3a9b79b5e39e73931b331 (diff)
parent9a424b276c409a3510e7735b6ecc012f50dc2a49 (diff)
downloadgit-a24a32ddb30c904d244fe911f4d9e7e3924fdac7.tar.gz
git-a24a32ddb30c904d244fe911f4d9e7e3924fdac7.tar.xz
Merge branch 'master' into il/vcs-helper
* master: (334 commits) bash: update 'git commit' completion Git 1.6.5.5 Fix diff -B/--dirstat miscounting of newly added contents reset: improve worktree safety valves Documentation: Avoid use of xmlto --stringparam archive: clarify description of path parameter rerere: don't segfault on failure to open rr-cache Prepare for 1.6.5.5 gitweb: Describe (possible) gitweb.js minification in gitweb/README Documentation: xmlto 0.0.18 does not know --stringparam Fix crasher on encountering SHA1-like non-note in notes tree t9001: use older Getopt::Long boolean prefix '--no' rather than '--no-' t4201: use ISO8859-1 rather than ISO-8859-1 Git 1.6.5.4 Unconditionally set man.base.url.for.relative.links Documentation/Makefile: allow man.base.url.for.relative.link to be set from Make Git 1.6.6-rc1 git-pull.sh: Fix call to git-merge for new command format Prepare for 1.6.5.4 merge: do not add standard message when message is given with -m option ... Conflicts: Documentation/git-remote-helpers.txt Makefile builtin-ls-remote.c builtin-push.c transport-helper.c Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'transport-helper.c')
-rw-r--r--transport-helper.c265
1 files changed, 250 insertions, 15 deletions
diff --git a/transport-helper.c b/transport-helper.c
index c87530e87..11f3d7ec5 100644
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -1,18 +1,22 @@
#include "cache.h"
#include "transport.h"
-
+#include "quote.h"
#include "run-command.h"
#include "commit.h"
#include "diff.h"
#include "revision.h"
+#include "quote.h"
#include "remote.h"
struct helper_data
{
const char *name;
struct child_process *helper;
- unsigned fetch : 1;
- unsigned import : 1;
+ FILE *out;
+ unsigned fetch : 1,
+ import : 1,
+ option : 1,
+ push : 1;
/* These go from remote name (as in "list") to private name */
struct refspec *refspecs;
int refspec_nr;
@@ -23,7 +27,6 @@ static struct child_process *get_helper(struct transport *transport)
struct helper_data *data = transport->data;
struct strbuf buf = STRBUF_INIT;
struct child_process *helper;
- FILE *file;
const char **refspecs = NULL;
int refspec_nr = 0;
int refspec_alloc = 0;
@@ -47,15 +50,19 @@ static struct child_process *get_helper(struct transport *transport)
write_str_in_full(helper->in, "capabilities\n");
- file = xfdopen(helper->out, "r");
+ data->out = xfdopen(helper->out, "r");
while (1) {
- if (strbuf_getline(&buf, file, '\n') == EOF)
+ if (strbuf_getline(&buf, data->out, '\n') == EOF)
exit(128); /* child died, message supplied already */
if (!*buf.buf)
break;
if (!strcmp(buf.buf, "fetch"))
data->fetch = 1;
+ if (!strcmp(buf.buf, "option"))
+ data->option = 1;
+ if (!strcmp(buf.buf, "push"))
+ data->push = 1;
if (!strcmp(buf.buf, "import"))
data->import = 1;
if (!data->refspecs && !prefixcmp(buf.buf, "refspec ")) {
@@ -84,6 +91,7 @@ static int disconnect_helper(struct transport *transport)
if (data->helper) {
write_str_in_full(data->helper->in, "\n");
close(data->helper->in);
+ fclose(data->out);
finish_command(data->helper);
free((char *)data->helper->argv[0]);
free(data->helper->argv);
@@ -93,6 +101,84 @@ static int disconnect_helper(struct transport *transport)
return 0;
}
+static const char *unsupported_options[] = {
+ TRANS_OPT_UPLOADPACK,
+ TRANS_OPT_RECEIVEPACK,
+ TRANS_OPT_THIN,
+ TRANS_OPT_KEEP
+ };
+static const char *boolean_options[] = {
+ TRANS_OPT_THIN,
+ TRANS_OPT_KEEP,
+ TRANS_OPT_FOLLOWTAGS
+ };
+
+static int set_helper_option(struct transport *transport,
+ const char *name, const char *value)
+{
+ struct helper_data *data = transport->data;
+ struct child_process *helper = get_helper(transport);
+ struct strbuf buf = STRBUF_INIT;
+ int i, ret, is_bool = 0;
+
+ if (!data->option)
+ return 1;
+
+ for (i = 0; i < ARRAY_SIZE(unsupported_options); i++) {
+ if (!strcmp(name, unsupported_options[i]))
+ return 1;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(boolean_options); i++) {
+ if (!strcmp(name, boolean_options[i])) {
+ is_bool = 1;
+ break;
+ }
+ }
+
+ strbuf_addf(&buf, "option %s ", name);
+ if (is_bool)
+ strbuf_addstr(&buf, value ? "true" : "false");
+ else
+ quote_c_style(value, &buf, NULL, 0);
+ strbuf_addch(&buf, '\n');
+
+ if (write_in_full(helper->in, buf.buf, buf.len) != buf.len)
+ die_errno("cannot send option to %s", data->name);
+
+ strbuf_reset(&buf);
+ if (strbuf_getline(&buf, data->out, '\n') == EOF)
+ exit(128); /* child died, message supplied already */
+
+ if (!strcmp(buf.buf, "ok"))
+ ret = 0;
+ else if (!prefixcmp(buf.buf, "error")) {
+ ret = -1;
+ } else if (!strcmp(buf.buf, "unsupported"))
+ ret = 1;
+ else {
+ warning("%s unexpectedly said: '%s'", data->name, buf.buf);
+ ret = 1;
+ }
+ strbuf_release(&buf);
+ return ret;
+}
+
+static void standard_options(struct transport *t)
+{
+ char buf[16];
+ int n;
+ int v = t->verbose;
+ int no_progress = v < 0 || (!t->progress && !isatty(1));
+
+ set_helper_option(t, "progress", !no_progress ? "true" : "false");
+
+ n = snprintf(buf, sizeof(buf), "%d", v + 1);
+ if (n >= sizeof(buf))
+ die("impossibly large verbosity value");
+ set_helper_option(t, "verbosity", buf);
+}
+
static int release_helper(struct transport *transport)
{
struct helper_data *data = transport->data;
@@ -106,11 +192,12 @@ static int release_helper(struct transport *transport)
static int fetch_with_fetch(struct transport *transport,
int nr_heads, struct ref **to_fetch)
{
- struct child_process *helper = get_helper(transport);
- FILE *file = xfdopen(helper->out, "r");
+ struct helper_data *data = transport->data;
int i;
struct strbuf buf = STRBUF_INIT;
+ standard_options(transport);
+
for (i = 0; i < nr_heads; i++) {
const struct ref *posn = to_fetch[i];
if (posn->status & REF_STATUS_UPTODATE)
@@ -118,12 +205,30 @@ static int fetch_with_fetch(struct transport *transport,
strbuf_addf(&buf, "fetch %s %s\n",
sha1_to_hex(posn->old_sha1), posn->name);
- write_in_full(helper->in, buf.buf, buf.len);
- strbuf_reset(&buf);
+ }
- if (strbuf_getline(&buf, file, '\n') == EOF)
+ strbuf_addch(&buf, '\n');
+ if (write_in_full(data->helper->in, buf.buf, buf.len) != buf.len)
+ die_errno("cannot send fetch to %s", data->name);
+
+ while (1) {
+ strbuf_reset(&buf);
+ if (strbuf_getline(&buf, data->out, '\n') == EOF)
exit(128); /* child died, message supplied already */
+
+ if (!prefixcmp(buf.buf, "lock ")) {
+ const char *name = buf.buf + 5;
+ if (transport->pack_lockfile)
+ warning("%s also locked %s", data->name, name);
+ else
+ transport->pack_lockfile = xstrdup(name);
+ }
+ else if (!buf.len)
+ break;
+ else
+ warning("%s unexpectedly said: '%s'", data->name, buf.buf);
}
+ strbuf_release(&buf);
return 0;
}
@@ -206,6 +311,132 @@ static int fetch(struct transport *transport,
return -1;
}
+static int push_refs(struct transport *transport,
+ 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 child_process *helper;
+ struct ref *ref;
+
+ if (!remote_refs)
+ return 0;
+
+ helper = get_helper(transport);
+ if (!data->push)
+ return 1;
+
+ for (ref = remote_refs; ref; ref = ref->next) {
+ if (ref->peer_ref)
+ hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
+ else if (!mirror)
+ continue;
+
+ ref->deletion = is_null_sha1(ref->new_sha1);
+ if (!ref->deletion &&
+ !hashcmp(ref->old_sha1, ref->new_sha1)) {
+ ref->status = REF_STATUS_UPTODATE;
+ continue;
+ }
+
+ if (force_all)
+ ref->force = 1;
+
+ strbuf_addstr(&buf, "push ");
+ if (!ref->deletion) {
+ if (ref->force)
+ strbuf_addch(&buf, '+');
+ if (ref->peer_ref)
+ strbuf_addstr(&buf, ref->peer_ref->name);
+ else
+ strbuf_addstr(&buf, sha1_to_hex(ref->new_sha1));
+ }
+ strbuf_addch(&buf, ':');
+ strbuf_addstr(&buf, ref->name);
+ strbuf_addch(&buf, '\n');
+ }
+ if (buf.len == 0)
+ return 0;
+
+ transport->verbose = flags & TRANSPORT_PUSH_VERBOSE ? 1 : 0;
+ standard_options(transport);
+
+ 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);
+ }
+
+ strbuf_addch(&buf, '\n');
+ if (write_in_full(helper->in, buf.buf, buf.len) != buf.len)
+ exit(128);
+
+ ref = remote_refs;
+ while (1) {
+ char *refname, *msg;
+ int status;
+
+ strbuf_reset(&buf);
+ if (strbuf_getline(&buf, data->out, '\n') == EOF)
+ exit(128); /* child died, message supplied already */
+ if (!buf.len)
+ break;
+
+ if (!prefixcmp(buf.buf, "ok ")) {
+ status = REF_STATUS_OK;
+ refname = buf.buf + 3;
+ } else if (!prefixcmp(buf.buf, "error ")) {
+ status = REF_STATUS_REMOTE_REJECT;
+ refname = buf.buf + 6;
+ } else
+ die("expected ok/error, helper said '%s'\n", buf.buf);
+
+ msg = strchr(refname, ' ');
+ if (msg) {
+ struct strbuf msg_buf = STRBUF_INIT;
+ const char *end;
+
+ *msg++ = '\0';
+ if (!unquote_c_style(&msg_buf, msg, &end))
+ msg = strbuf_detach(&msg_buf, NULL);
+ else
+ msg = xstrdup(msg);
+ strbuf_release(&msg_buf);
+
+ if (!strcmp(msg, "no match")) {
+ status = REF_STATUS_NONE;
+ free(msg);
+ msg = NULL;
+ }
+ else if (!strcmp(msg, "up to date")) {
+ status = REF_STATUS_UPTODATE;
+ free(msg);
+ msg = NULL;
+ }
+ else if (!strcmp(msg, "non-fast forward")) {
+ status = REF_STATUS_REJECT_NONFASTFORWARD;
+ free(msg);
+ msg = NULL;
+ }
+ }
+
+ if (ref)
+ ref = find_ref_by_name(ref, refname);
+ if (!ref)
+ ref = find_ref_by_name(remote_refs, refname);
+ if (!ref) {
+ warning("helper reported unexpected status of %s", refname);
+ continue;
+ }
+
+ ref->status = status;
+ ref->remote_status = msg;
+ }
+ strbuf_release(&buf);
+ return 0;
+}
+
static int has_attribute(const char *attrs, const char *attr) {
int len;
if (!attrs)
@@ -224,21 +455,23 @@ static int has_attribute(const char *attrs, const char *attr) {
static struct ref *get_refs_list(struct transport *transport, int for_push)
{
+ struct helper_data *data = transport->data;
struct child_process *helper;
struct ref *ret = NULL;
struct ref **tail = &ret;
struct ref *posn;
struct strbuf buf = STRBUF_INIT;
- FILE *file;
helper = get_helper(transport);
- write_str_in_full(helper->in, "list\n");
+ if (data->push && for_push)
+ write_str_in_full(helper->in, "list for-push\n");
+ else
+ write_str_in_full(helper->in, "list\n");
- file = xfdopen(helper->out, "r");
while (1) {
char *eov, *eon;
- if (strbuf_getline(&buf, file, '\n') == EOF)
+ if (strbuf_getline(&buf, data->out, '\n') == EOF)
exit(128); /* child died, message supplied already */
if (!*buf.buf)
@@ -278,8 +511,10 @@ int transport_helper_init(struct transport *transport, const char *name)
data->name = name;
transport->data = data;
+ transport->set_option = set_helper_option;
transport->get_refs_list = get_refs_list;
transport->fetch = fetch;
+ transport->push_refs = push_refs;
transport->disconnect = release_helper;
return 0;
}