#include "bundle.h"
#include "dir.h"
#include "refs.h"
+#include "branch.h"
/* rsync support */
}
}
+static void set_upstreams(struct transport *transport, struct ref *refs,
+ int pretend)
+{
+ struct ref *ref;
+ for (ref = refs; ref; ref = ref->next) {
+ const char *localname;
+ const char *tmp;
+ const char *remotename;
+ unsigned char sha[20];
+ int flag = 0;
+ /*
+ * Check suitability for tracking. Must be successful /
+ * already up-to-date ref create/modify (not delete).
+ */
+ if (ref->status != REF_STATUS_OK &&
+ ref->status != REF_STATUS_UPTODATE)
+ continue;
+ if (!ref->peer_ref)
+ continue;
+ if (!ref->new_sha1 || is_null_sha1(ref->new_sha1))
+ continue;
+
+ /* Follow symbolic refs (mainly for HEAD). */
+ localname = ref->peer_ref->name;
+ remotename = ref->name;
+ tmp = resolve_ref(localname, sha, 1, &flag);
+ if (tmp && flag & REF_ISSYMREF &&
+ !prefixcmp(tmp, "refs/heads/"))
+ localname = tmp;
+
+ /* Both source and destination must be local branches. */
+ if (!localname || prefixcmp(localname, "refs/heads/"))
+ continue;
+ if (!remotename || prefixcmp(remotename, "refs/heads/"))
+ continue;
+
+ if (!pretend)
+ install_branch_config(BRANCH_CONFIG_VERBOSE,
+ localname + 11, transport->remote->name,
+ remotename);
+ else
+ printf("Would set upstream of '%s' to '%s' of '%s'\n",
+ localname + 11, remotename + 11,
+ transport->remote->name);
+ }
+}
+
static const char *rsync_url(const char *url)
{
return prefixcmp(url, "rsync://") ? skip_prefix(url, "rsync:") : url;
}
static int fetch_objs_via_rsync(struct transport *transport,
- int nr_objs, const struct ref **to_fetch)
+ int nr_objs, struct ref **to_fetch)
{
struct strbuf buf = STRBUF_INIT;
struct child_process rsync;
}
static int fetch_refs_from_bundle(struct transport *transport,
- int nr_heads, const struct ref **to_fetch)
+ int nr_heads, struct ref **to_fetch)
{
struct bundle_transport_data *data = transport->data;
return unbundle(&data->header, data->fd);
}
struct git_transport_data {
- unsigned thin : 1;
- unsigned keep : 1;
- unsigned followtags : 1;
- int depth;
+ struct git_transport_options options;
struct child_process *conn;
int fd[2];
- const char *uploadpack;
- const char *receivepack;
+ unsigned got_remote_heads : 1;
struct extra_have_objects extra_have;
};
-static int set_git_option(struct transport *connection,
+static int set_git_option(struct git_transport_options *opts,
const char *name, const char *value)
{
- struct git_transport_data *data = connection->data;
if (!strcmp(name, TRANS_OPT_UPLOADPACK)) {
- data->uploadpack = value;
+ opts->uploadpack = value;
return 0;
} else if (!strcmp(name, TRANS_OPT_RECEIVEPACK)) {
- data->receivepack = value;
+ opts->receivepack = value;
return 0;
} else if (!strcmp(name, TRANS_OPT_THIN)) {
- data->thin = !!value;
+ opts->thin = !!value;
return 0;
} else if (!strcmp(name, TRANS_OPT_FOLLOWTAGS)) {
- data->followtags = !!value;
+ opts->followtags = !!value;
return 0;
} else if (!strcmp(name, TRANS_OPT_KEEP)) {
- data->keep = !!value;
+ opts->keep = !!value;
return 0;
} else if (!strcmp(name, TRANS_OPT_DEPTH)) {
if (!value)
- data->depth = 0;
+ opts->depth = 0;
else
- data->depth = atoi(value);
+ opts->depth = atoi(value);
return 0;
}
return 1;
static int connect_setup(struct transport *transport, int for_push, int verbose)
{
struct git_transport_data *data = transport->data;
+
+ if (data->conn)
+ return 0;
+
data->conn = git_connect(data->fd, transport->url,
- for_push ? data->receivepack : data->uploadpack,
+ for_push ? data->options.receivepack :
+ data->options.uploadpack,
verbose ? CONNECT_VERBOSE : 0);
+
return 0;
}
connect_setup(transport, for_push, 0);
get_remote_heads(data->fd[0], &refs, 0, NULL,
for_push ? REF_NORMAL : 0, &data->extra_have);
+ data->got_remote_heads = 1;
return refs;
}
static int fetch_refs_via_pack(struct transport *transport,
- int nr_heads, const struct ref **to_fetch)
+ int nr_heads, struct ref **to_fetch)
{
struct git_transport_data *data = transport->data;
char **heads = xmalloc(nr_heads * sizeof(*heads));
struct ref *refs_tmp = NULL;
memset(&args, 0, sizeof(args));
- args.uploadpack = data->uploadpack;
- args.keep_pack = data->keep;
+ args.uploadpack = data->options.uploadpack;
+ args.keep_pack = data->options.keep;
args.lock_pack = 1;
- args.use_thin_pack = data->thin;
- args.include_tag = data->followtags;
+ args.use_thin_pack = data->options.thin;
+ args.include_tag = data->options.followtags;
args.verbose = (transport->verbose > 0);
args.quiet = (transport->verbose < 0);
- args.no_progress = args.quiet || (!transport->progress && !isatty(1));
- args.depth = data->depth;
+ args.no_progress = !transport->progress;
+ args.depth = data->options.depth;
for (i = 0; i < nr_heads; i++)
origh[i] = heads[i] = xstrdup(to_fetch[i]->name);
- if (!data->conn) {
+ if (!data->got_remote_heads) {
connect_setup(transport, 0, 0);
get_remote_heads(data->fd[0], &refs_tmp, 0, NULL, 0, NULL);
+ data->got_remote_heads = 1;
}
refs = fetch_pack(&args, data->fd, data->conn,
if (finish_connect(data->conn))
refs = NULL;
data->conn = NULL;
+ data->got_remote_heads = 0;
free_refs(refs_tmp);
return 0;
}
-static int refs_pushed(struct ref *ref)
+int transport_refs_pushed(struct ref *ref)
{
for (; ref; ref = ref->next) {
switch(ref->status) {
return 0;
}
-static void update_tracking_ref(struct remote *remote, struct ref *ref, int verbose)
+void transport_update_tracking_ref(struct remote *remote, struct ref *ref, int verbose)
{
struct refspec rs;
}
}
-#define SUMMARY_WIDTH (2 * DEFAULT_ABBREV + 3)
-
static void print_ref_status(char flag, const char *summary, struct ref *to, struct ref *from, const char *msg, int porcelain)
{
if (porcelain) {
else
fprintf(stdout, "%s\n", summary);
} else {
- fprintf(stderr, " %c %-*s ", flag, SUMMARY_WIDTH, summary);
+ fprintf(stderr, " %c %-*s ", flag, TRANSPORT_SUMMARY_WIDTH, summary);
if (from)
fprintf(stderr, "%s -> %s", prettify_refname(from->name), prettify_refname(to->name));
else
static int print_one_push_status(struct ref *ref, const char *dest, int count, int porcelain)
{
if (!count)
- fprintf(stderr, "To %s\n", dest);
+ fprintf(porcelain ? stdout : stderr, "To %s\n", dest);
switch(ref->status) {
case REF_STATUS_NONE:
return 1;
}
-static void print_push_status(const char *dest, struct ref *refs,
- int verbose, int porcelain, int * nonfastforward)
+void transport_print_push_status(const char *dest, struct ref *refs,
+ int verbose, int porcelain, int *nonfastforward)
{
struct ref *ref;
int n = 0;
}
}
-static void verify_remote_names(int nr_heads, const char **heads)
+void transport_verify_remote_names(int nr_heads, const char **heads)
{
int i;
struct send_pack_args args;
int ret;
- if (!data->conn) {
+ if (!data->got_remote_heads) {
struct ref *tmp_refs;
connect_setup(transport, 1, 0);
get_remote_heads(data->fd[0], &tmp_refs, 0, NULL, REF_NORMAL,
NULL);
+ data->got_remote_heads = 1;
}
memset(&args, 0, sizeof(args));
args.send_mirror = !!(flags & TRANSPORT_PUSH_MIRROR);
args.force_update = !!(flags & TRANSPORT_PUSH_FORCE);
- args.use_thin_pack = data->thin;
- args.verbose = !!(flags & TRANSPORT_PUSH_VERBOSE);
- args.quiet = !!(flags & TRANSPORT_PUSH_QUIET);
+ args.use_thin_pack = data->options.thin;
+ args.verbose = (transport->verbose > 0);
+ args.quiet = (transport->verbose < 0);
args.dry_run = !!(flags & TRANSPORT_PUSH_DRY_RUN);
+ args.porcelain = !!(flags & TRANSPORT_PUSH_PORCELAIN);
ret = send_pack(&args, data->fd, data->conn, remote_refs,
&data->extra_have);
close(data->fd[0]);
ret |= finish_connect(data->conn);
data->conn = NULL;
+ data->got_remote_heads = 0;
return ret;
}
+static int connect_git(struct transport *transport, const char *name,
+ const char *executable, int fd[2])
+{
+ struct git_transport_data *data = transport->data;
+ data->conn = git_connect(data->fd, transport->url,
+ executable, 0);
+ fd[0] = data->fd[0];
+ fd[1] = data->fd[1];
+ return 0;
+}
+
static int disconnect_git(struct transport *transport)
{
struct git_transport_data *data = transport->data;
if (data->conn) {
- packet_flush(data->fd[1]);
+ if (data->got_remote_heads)
+ packet_flush(data->fd[1]);
close(data->fd[0]);
close(data->fd[1]);
finish_connect(data->conn);
return 0;
}
+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 "
+ "smart_options field.");
+
+ data = xcalloc(1, sizeof(*data));
+ data->options = *transport->smart_options;
+ data->conn = child;
+ data->fd[0] = data->conn->out;
+ data->fd[1] = data->conn->in;
+ 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->smart_options = &(data->options);
+}
+
static int is_local(const char *url)
{
const char *colon = strchr(url, ':');
return S_ISREG(buf.st_mode);
}
+static int isurlschemechar(int first_flag, int ch)
+{
+ /*
+ * The set of valid URL schemes, as per STD66 (RFC3986) is
+ * '[A-Za-z][A-Za-z0-9+.-]*'. But use sightly looser check
+ * of '[A-Za-z0-9][A-Za-z0-9+.-]*' because earlier version
+ * of check used '[A-Za-z0-9]+' so not to break any remote
+ * helpers.
+ */
+ int alphanumeric, special;
+ alphanumeric = ch > 0 && isalnum(ch);
+ special = ch == '+' || ch == '-' || ch == '.';
+ return alphanumeric || (!first_flag && special);
+}
+
+static int is_url(const char *url)
+{
+ const char *url2, *first_slash;
+
+ if (!url)
+ return 0;
+ url2 = url;
+ first_slash = strchr(url, '/');
+
+ /* Input with no slash at all or slash first can't be URL. */
+ if (!first_slash || first_slash == url)
+ return 0;
+ /* Character before must be : and next must be /. */
+ if (first_slash[-1] != ':' || first_slash[1] != '/')
+ return 0;
+ /* There must be something before the :// */
+ if (first_slash == url + 1)
+ return 0;
+ /*
+ * Check all characters up to first slash - 1. Only alphanum
+ * is allowed.
+ */
+ url2 = url;
+ while (url2 < first_slash - 1) {
+ if (!isurlschemechar(url2 == url, (unsigned char)*url2))
+ return 0;
+ url2++;
+ }
+
+ /* Valid enough. */
+ return 1;
+}
+
+static int external_specification_len(const char *url)
+{
+ return strchr(url, ':') - url;
+}
+
struct transport *transport_get(struct remote *remote, const char *url)
{
+ const char *helper;
struct transport *ret = xcalloc(1, sizeof(*ret));
+ ret->progress = isatty(2);
+
if (!remote)
die("No remote provided to transport_get()");
+ ret->got_remote_refs = 0;
ret->remote = remote;
+ helper = remote->foreign_vcs;
+
+ if (!url && remote->url)
+ url = remote->url[0];
ret->url = url;
- if (!prefixcmp(url, "rsync:")) {
+ /* maybe it is a foreign URL? */
+ if (url) {
+ const char *p = url;
+
+ while (isurlschemechar(p == url, *p))
+ p++;
+ if (!prefixcmp(p, "::"))
+ helper = xstrndup(url, p - url);
+ }
+
+ if (helper) {
+ transport_helper_init(ret, helper);
+ } else if (!prefixcmp(url, "rsync:")) {
ret->get_refs_list = get_refs_via_rsync;
ret->fetch = fetch_objs_via_rsync;
ret->push = rsync_transport_push;
-
- } else if (!prefixcmp(url, "http://")
- || !prefixcmp(url, "https://")
- || !prefixcmp(url, "ftp://")) {
- transport_helper_init(ret, "curl");
-#ifdef NO_CURL
- error("git was compiled without libcurl support.");
-#endif
-
+ ret->smart_options = NULL;
} else if (is_local(url) && is_file(url)) {
struct bundle_transport_data *data = xcalloc(1, sizeof(*data));
ret->data = data;
ret->get_refs_list = get_refs_from_bundle;
ret->fetch = fetch_refs_from_bundle;
ret->disconnect = close_bundle;
-
- } else {
+ ret->smart_options = NULL;
+ } else if (!is_url(url)
+ || !prefixcmp(url, "file://")
+ || !prefixcmp(url, "git://")
+ || !prefixcmp(url, "ssh://")
+ || !prefixcmp(url, "git+ssh://")
+ || !prefixcmp(url, "ssh+git://")) {
+ /* These are builtin smart transports. */
struct git_transport_data *data = xcalloc(1, sizeof(*data));
ret->data = data;
- ret->set_option = set_git_option;
+ 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->smart_options = &(data->options);
- data->thin = 1;
data->conn = NULL;
- data->uploadpack = "git-upload-pack";
+ data->got_remote_heads = 0;
+ } else {
+ /* Unknown protocol in URL. Pass to external handler. */
+ int len = external_specification_len(url);
+ char *handler = xmalloc(len + 1);
+ handler[len] = 0;
+ strncpy(handler, url, len);
+ transport_helper_init(ret, handler);
+ }
+
+ if (ret->smart_options) {
+ ret->smart_options->thin = 1;
+ ret->smart_options->uploadpack = "git-upload-pack";
if (remote->uploadpack)
- data->uploadpack = remote->uploadpack;
- data->receivepack = "git-receive-pack";
+ ret->smart_options->uploadpack = remote->uploadpack;
+ ret->smart_options->receivepack = "git-receive-pack";
if (remote->receivepack)
- data->receivepack = remote->receivepack;
+ ret->smart_options->receivepack = remote->receivepack;
}
return ret;
int transport_set_option(struct transport *transport,
const char *name, const char *value)
{
+ int git_reports = 1, protocol_reports = 1;
+
+ if (transport->smart_options)
+ git_reports = set_git_option(transport->smart_options,
+ name, value);
+
if (transport->set_option)
- return transport->set_option(transport, name, value);
+ protocol_reports = transport->set_option(transport, name,
+ value);
+
+ /* If either report is 0, report 0 (success). */
+ if (!git_reports || !protocol_reports)
+ return 0;
+ /* If either reports -1 (invalid value), report -1. */
+ if ((git_reports == -1) || (protocol_reports == -1))
+ return -1;
+ /* Otherwise if both report unknown, report unknown. */
return 1;
}
+void transport_set_verbosity(struct transport *transport, int verbosity,
+ int force_progress)
+{
+ if (verbosity >= 2)
+ transport->verbose = verbosity <= 3 ? verbosity : 3;
+ if (verbosity < 0)
+ transport->verbose = -1;
+
+ /**
+ * Rules used to determine whether to report progress (processing aborts
+ * when a rule is satisfied):
+ *
+ * 1. Report progress, if force_progress is 1 (ie. --progress).
+ * 2. Don't report progress, if verbosity < 0 (ie. -q/--quiet ).
+ * 3. Report progress if isatty(2) is 1.
+ **/
+ transport->progress = force_progress || (verbosity >= 0 && isatty(2));
+}
+
int transport_push(struct transport *transport,
int refspec_nr, const char **refspec, int flags,
int *nonfastforward)
{
*nonfastforward = 0;
- verify_remote_names(refspec_nr, refspec);
+ 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->push)
return transport->push(transport, refspec_nr, refspec, flags);
- if (transport->push_refs) {
+ } else if (transport->push_refs) {
struct ref *remote_refs =
transport->get_refs_list(transport, 1);
struct ref *local_refs = get_local_heads();
int match_flags = MATCH_REFS_NONE;
- int verbose = flags & TRANSPORT_PUSH_VERBOSE;
- int quiet = flags & TRANSPORT_PUSH_QUIET;
+ int verbose = (transport->verbose > 0);
+ int quiet = (transport->verbose < 0);
int porcelain = flags & TRANSPORT_PUSH_PORCELAIN;
- int ret;
+ int pretend = flags & TRANSPORT_PUSH_DRY_RUN;
+ int push_ret, ret, err;
if (flags & TRANSPORT_PUSH_ALL)
match_flags |= MATCH_REFS_ALL;
return -1;
}
- ret = transport->push_refs(transport, remote_refs, flags);
+ set_ref_status_for_push(remote_refs,
+ flags & TRANSPORT_PUSH_MIRROR,
+ flags & TRANSPORT_PUSH_FORCE);
+
+ push_ret = transport->push_refs(transport, remote_refs, flags);
+ err = push_had_errors(remote_refs);
+ ret = push_ret | err;
- if (!quiet || push_had_errors(remote_refs))
- print_push_status(transport->url, remote_refs,
+ if (!quiet || err)
+ transport_print_push_status(transport->url, remote_refs,
verbose | porcelain, porcelain,
nonfastforward);
+ if (flags & TRANSPORT_PUSH_SET_UPSTREAM)
+ set_upstreams(transport, remote_refs, pretend);
+
if (!(flags & TRANSPORT_PUSH_DRY_RUN)) {
struct ref *ref;
for (ref = remote_refs; ref; ref = ref->next)
- update_tracking_ref(transport->remote, ref, verbose);
+ transport_update_tracking_ref(transport->remote, ref, verbose);
}
- if (!quiet && !ret && !refs_pushed(remote_refs))
+ if (porcelain && !push_ret)
+ puts("Done");
+ else if (!quiet && !ret && !transport_refs_pushed(remote_refs))
fprintf(stderr, "Everything up-to-date\n");
+
return ret;
}
return 1;
const struct ref *transport_get_remote_refs(struct transport *transport)
{
- if (!transport->remote_refs)
+ if (!transport->got_remote_refs) {
transport->remote_refs = transport->get_refs_list(transport, 0);
+ transport->got_remote_refs = 1;
+ }
+
return transport->remote_refs;
}
-int transport_fetch_refs(struct transport *transport, const struct ref *refs)
+int transport_fetch_refs(struct transport *transport, struct ref *refs)
{
int rc;
int nr_heads = 0, nr_alloc = 0, nr_refs = 0;
- const struct ref **heads = NULL;
- const struct ref *rm;
+ struct ref **heads = NULL;
+ struct ref *rm;
for (rm = refs; rm; rm = rm->next) {
nr_refs++;
if (rm->peer_ref &&
+ !is_null_sha1(rm->old_sha1) &&
!hashcmp(rm->peer_ref->old_sha1, rm->old_sha1))
continue;
ALLOC_GROW(heads, nr_heads + 1, nr_alloc);
}
rc = transport->fetch(transport, nr_heads, heads);
+
free(heads);
return rc;
}
}
}
+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);
+ else
+ die("Operation not supported by protocol");
+}
+
int transport_disconnect(struct transport *transport)
{
int ret = 0;