static const char fetch_pack_usage[] =
"git fetch-pack [--all] [--stdin] [--quiet|-q] [--keep|-k] [--thin] "
"[--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] "
- "[--no-progress] [-v] [<host>:]<directory> [<refs>...]";
+ "[--no-progress] [--diag-url] [-v] [<host>:]<directory> [<refs>...]";
static void add_sought_entry_mem(struct ref ***sought, int *nr, int *alloc,
const char *name, int namelen)
for (i = 1; i < argc && *argv[i] == '-'; i++) {
const char *arg = argv[i];
- if (!prefixcmp(arg, "--upload-pack=")) {
+ if (starts_with(arg, "--upload-pack=")) {
args.uploadpack = arg + 14;
continue;
}
- if (!prefixcmp(arg, "--exec=")) {
+ if (starts_with(arg, "--exec=")) {
args.uploadpack = arg + 7;
continue;
}
args.stdin_refs = 1;
continue;
}
+ if (!strcmp("--diag-url", arg)) {
+ args.diag_url = 1;
+ continue;
+ }
if (!strcmp("-v", arg)) {
args.verbose = 1;
continue;
}
- if (!prefixcmp(arg, "--depth=")) {
+ if (starts_with(arg, "--depth=")) {
args.depth = strtol(arg + 8, NULL, 0);
continue;
}
fd[0] = 0;
fd[1] = 1;
} else {
+ int flags = args.verbose ? CONNECT_VERBOSE : 0;
+ if (args.diag_url)
+ flags |= CONNECT_DIAG_URL;
conn = git_connect(fd, dest, args.uploadpack,
- args.verbose ? CONNECT_VERBOSE : 0);
+ flags);
+ if (!conn)
+ return args.diag_url ? 0 : 1;
}
-
get_remote_heads(fd[0], NULL, 0, &ref, 0, NULL);
ref = fetch_pack(&args, fd, conn, ref, dest,
if (!len)
break;
- if (len > 4 && !prefixcmp(buffer, "ERR "))
+ if (len > 4 && starts_with(buffer, "ERR "))
die("remote error: %s", buffer + 4);
if (len < 42 || get_sha1_hex(buffer, old_sha1) || buffer[40] != ' ')
enum protocol {
PROTO_LOCAL = 1,
+ PROTO_FILE,
PROTO_SSH,
PROTO_GIT
};
+ int url_is_local_not_ssh(const char *url)
+ {
+ const char *colon = strchr(url, ':');
+ const char *slash = strchr(url, '/');
+ return !colon || (slash && slash < colon) ||
+ has_dos_drive_prefix(url);
+ }
+
+ static const char *prot_name(enum protocol protocol)
+ {
+ switch (protocol) {
+ case PROTO_LOCAL:
+ case PROTO_FILE:
+ return "file";
+ case PROTO_SSH:
+ return "ssh";
+ case PROTO_GIT:
+ return "git";
+ default:
+ return "unkown protocol";
+ }
+ }
+
static enum protocol get_protocol(const char *name)
{
if (!strcmp(name, "ssh"))
if (!strcmp(name, "ssh+git"))
return PROTO_SSH;
if (!strcmp(name, "file"))
- return PROTO_LOCAL;
+ return PROTO_FILE;
die("I don't handle protocol '%s'", name);
}
return proxy;
}
- #define MAX_CMD_LEN 1024
-
- static char *get_port(char *host)
+ static const char *get_port_numeric(const char *p)
{
char *end;
- char *p = strchr(host, ':');
-
if (p) {
long port = strtol(p + 1, &end, 10);
if (end != p + 1 && *end == '\0' && 0 <= port && port < 65536) {
- *p = '\0';
- return p+1;
+ return p;
}
}
return NULL;
}
- static struct child_process no_fork;
-
/*
- * This returns a dummy child_process if the transport protocol does not
- * need fork(2), or a struct child_process object if it does. Once done,
- * finish the connection with finish_connect() with the value returned from
- * this function (it is safe to call finish_connect() with NULL to support
- * the former case).
- *
- * If it returns, the connect is successful; it just dies on errors (this
- * will hopefully be changed in a libification effort, to return NULL when
- * the connection failed).
+ * Extract protocol and relevant parts from the specified connection URL.
+ * The caller must free() the returned strings.
*/
- struct child_process *git_connect(int fd[2], const char *url_orig,
- const char *prog, int flags)
+ static enum protocol parse_connect_url(const char *url_orig, char **ret_host,
+ char **ret_path)
{
char *url;
char *host, *path;
char *end;
- int c;
- struct child_process *conn = &no_fork;
+ int separator = '/';
enum protocol protocol = PROTO_LOCAL;
- int free_path = 0;
- char *port = NULL;
- const char **arg;
- struct strbuf cmd;
-
- /* Without this we cannot rely on waitpid() to tell
- * what happened to our children.
- */
- signal(SIGCHLD, SIG_DFL);
if (is_url(url_orig))
url = url_decode(url_orig);
*host = '\0';
protocol = get_protocol(url);
host += 3;
- c = '/';
} else {
host = url;
- c = ':';
+ if (!url_is_local_not_ssh(url)) {
+ protocol = PROTO_SSH;
+ separator = ':';
+ }
}
/*
- * Don't do destructive transforms with git:// as that
- * protocol code does '[]' unwrapping of its own.
+ * Don't do destructive transforms as protocol code does
+ * '[]' unwrapping in get_host_and_port()
*/
if (host[0] == '[') {
end = strchr(host + 1, ']');
if (end) {
- if (protocol != PROTO_GIT) {
- *end = 0;
- host++;
- }
end++;
} else
end = host;
} else
end = host;
- path = strchr(end, c);
- if (path && !has_dos_drive_prefix(end)) {
- if (c == ':') {
- if (host != url || path < strchrnul(host, '/')) {
- protocol = PROTO_SSH;
- *path++ = '\0';
- } else /* '/' in the host part, assume local path */
- path = end;
- }
- } else
+ if (protocol == PROTO_LOCAL)
path = end;
+ else if (protocol == PROTO_FILE && has_dos_drive_prefix(end))
+ path = end; /* "file://$(pwd)" may be "file://C:/projects/repo" */
+ else
+ path = strchr(end, separator);
if (!path || !*path)
die("No path specified. See 'man git-pull' for valid url syntax");
* null-terminate hostname and point path to ~ for URL's like this:
* ssh://host.xz/~user/repo
*/
- if (protocol != PROTO_LOCAL && host != url) {
- char *ptr = path;
+
+ end = path; /* Need to \0 terminate host here */
+ if (separator == ':')
+ path++; /* path starts after ':' */
+ if (protocol == PROTO_GIT || protocol == PROTO_SSH) {
if (path[1] == '~')
path++;
- else {
- path = xstrdup(ptr);
- free_path = 1;
- }
-
- *ptr = '\0';
}
- /*
- * Add support for ssh port: ssh://host.xy:<port>/...
+ path = xstrdup(path);
+ *end = '\0';
+
+ *ret_host = xstrdup(host);
+ *ret_path = path;
+ free(url);
+ return protocol;
+ }
+
+ static struct child_process no_fork;
+
+ /*
+ * This returns a dummy child_process if the transport protocol does not
+ * need fork(2), or a struct child_process object if it does. Once done,
+ * finish the connection with finish_connect() with the value returned from
+ * this function (it is safe to call finish_connect() with NULL to support
+ * the former case).
+ *
+ * If it returns, the connect is successful; it just dies on errors (this
+ * will hopefully be changed in a libification effort, to return NULL when
+ * the connection failed).
+ */
+ struct child_process *git_connect(int fd[2], const char *url,
+ const char *prog, int flags)
+ {
+ char *hostandport, *path;
+ struct child_process *conn = &no_fork;
+ enum protocol protocol;
+ const char **arg;
+ struct strbuf cmd = STRBUF_INIT;
+
+ /* Without this we cannot rely on waitpid() to tell
+ * what happened to our children.
*/
- if (protocol == PROTO_SSH && host != url)
- port = get_port(end);
+ signal(SIGCHLD, SIG_DFL);
- if (protocol == PROTO_GIT) {
+ protocol = parse_connect_url(url, &hostandport, &path);
+ if (flags & CONNECT_DIAG_URL) {
+ printf("Diag: url=%s\n", url ? url : "NULL");
+ printf("Diag: protocol=%s\n", prot_name(protocol));
+ printf("Diag: hostandport=%s\n", hostandport ? hostandport : "NULL");
+ printf("Diag: path=%s\n", path ? path : "NULL");
+ conn = NULL;
+ } else if (protocol == PROTO_GIT) {
/* These underlying connection commands die() if they
* cannot connect.
*/
- char *target_host = xstrdup(host);
- if (git_use_proxy(host))
- conn = git_proxy_connect(fd, host);
+ char *target_host = xstrdup(hostandport);
+ if (git_use_proxy(hostandport))
+ conn = git_proxy_connect(fd, hostandport);
else
- git_tcp_connect(fd, host, flags);
+ git_tcp_connect(fd, hostandport, flags);
/*
* Separate original protocol components prog and path
* from extended host header with a NUL byte.
prog, path, 0,
target_host, 0);
free(target_host);
- free(url);
- if (free_path)
- free(path);
- return conn;
- }
-
- conn = xcalloc(1, sizeof(*conn));
-
- strbuf_init(&cmd, MAX_CMD_LEN);
- strbuf_addstr(&cmd, prog);
- strbuf_addch(&cmd, ' ');
- sq_quote_buf(&cmd, path);
- if (cmd.len >= MAX_CMD_LEN)
- die("command line too long");
-
- conn->in = conn->out = -1;
- conn->argv = arg = xcalloc(7, sizeof(*arg));
- if (protocol == PROTO_SSH) {
- const char *ssh = getenv("GIT_SSH");
- int putty = ssh && strcasestr(ssh, "plink");
- if (!ssh) ssh = "ssh";
-
- *arg++ = ssh;
- if (putty && !strcasestr(ssh, "tortoiseplink"))
- *arg++ = "-batch";
- if (port) {
- /* P is for PuTTY, p is for OpenSSH */
- *arg++ = putty ? "-P" : "-p";
- *arg++ = port;
+ } else {
+ conn = xcalloc(1, sizeof(*conn));
+
+ strbuf_addstr(&cmd, prog);
+ strbuf_addch(&cmd, ' ');
+ sq_quote_buf(&cmd, path);
+
+ conn->in = conn->out = -1;
+ conn->argv = arg = xcalloc(7, sizeof(*arg));
+ if (protocol == PROTO_SSH) {
+ const char *ssh = getenv("GIT_SSH");
+ int putty = ssh && strcasestr(ssh, "plink");
+ char *ssh_host = hostandport;
+ const char *port = NULL;
+ get_host_and_port(&ssh_host, &port);
+ port = get_port_numeric(port);
+
+ if (!ssh) ssh = "ssh";
+
+ *arg++ = ssh;
+ if (putty && !strcasestr(ssh, "tortoiseplink"))
+ *arg++ = "-batch";
+ if (port) {
+ /* P is for PuTTY, p is for OpenSSH */
+ *arg++ = putty ? "-P" : "-p";
+ *arg++ = port;
+ }
+ *arg++ = ssh_host;
+ } else {
+ /* remove repo-local variables from the environment */
+ conn->env = local_repo_env;
+ conn->use_shell = 1;
}
- *arg++ = host;
- }
- else {
- /* remove repo-local variables from the environment */
- conn->env = local_repo_env;
- conn->use_shell = 1;
- }
- *arg++ = cmd.buf;
- *arg = NULL;
+ *arg++ = cmd.buf;
+ *arg = NULL;
- if (start_command(conn))
- die("unable to fork");
+ if (start_command(conn))
+ die("unable to fork");
- fd[0] = conn->out; /* read from child's stdout */
- fd[1] = conn->in; /* write to child's stdin */
- strbuf_release(&cmd);
- free(url);
- if (free_path)
- free(path);
+ fd[0] = conn->out; /* read from child's stdout */
+ fd[1] = conn->in; /* write to child's stdin */
+ strbuf_release(&cmd);
+ }
+ free(hostandport);
+ free(path);
return conn;
}
remotename = ref->name;
tmp = resolve_ref_unsafe(localname, sha, 1, &flag);
if (tmp && flag & REF_ISSYMREF &&
- !prefixcmp(tmp, "refs/heads/"))
+ starts_with(tmp, "refs/heads/"))
localname = tmp;
/* Both source and destination must be local branches. */
- if (!localname || prefixcmp(localname, "refs/heads/"))
+ if (!localname || !starts_with(localname, "refs/heads/"))
continue;
- if (!remotename || prefixcmp(remotename, "refs/heads/"))
+ if (!remotename || !starts_with(remotename, "refs/heads/"))
continue;
if (!pretend)
static const char *rsync_url(const char *url)
{
- return prefixcmp(url, "rsync://") ? skip_prefix(url, "rsync:") : url;
+ return !starts_with(url, "rsync://") ? skip_prefix(url, "rsync:") : url;
}
static struct ref *get_refs_via_rsync(struct transport *transport, int for_push)
FILE *f;
/* when called via for_each_ref(), flags is non-zero */
- if (flags && prefixcmp(name, "refs/heads/") &&
- prefixcmp(name, "refs/tags/"))
+ if (flags && !starts_with(name, "refs/heads/") &&
+ !starts_with(name, "refs/tags/"))
return 0;
strbuf_addstr(buf, name);
print_ref_status('-', "[deleted]", ref, NULL, NULL, porcelain);
else if (is_null_sha1(ref->old_sha1))
print_ref_status('*',
- (!prefixcmp(ref->name, "refs/tags/") ? "[new tag]" :
+ (starts_with(ref->name, "refs/tags/") ? "[new tag]" :
"[new branch]"),
ref, ref->peer_ref, NULL, porcelain);
else {
transport->cannot_reuse = 1;
}
- static int is_local(const char *url)
- {
- const char *colon = strchr(url, ':');
- const char *slash = strchr(url, '/');
- return !colon || (slash && slash < colon) ||
- has_dos_drive_prefix(url);
- }
-
static int is_file(const char *url)
{
struct stat buf;
while (is_urlschemechar(p == url, *p))
p++;
- if (!prefixcmp(p, "::"))
+ if (starts_with(p, "::"))
helper = xstrndup(url, p - url);
}
if (helper) {
transport_helper_init(ret, helper);
- } else if (!prefixcmp(url, "rsync:")) {
+ } else if (starts_with(url, "rsync:")) {
ret->get_refs_list = get_refs_via_rsync;
ret->fetch = fetch_objs_via_rsync;
ret->push = rsync_transport_push;
ret->smart_options = NULL;
- } else if (is_local(url) && is_file(url) && is_bundle(url, 1)) {
+ } else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) {
struct bundle_transport_data *data = xcalloc(1, sizeof(*data));
ret->data = data;
ret->get_refs_list = get_refs_from_bundle;
ret->disconnect = close_bundle;
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://")) {
+ || starts_with(url, "file://")
+ || starts_with(url, "git://")
+ || starts_with(url, "ssh://")
+ || starts_with(url, "git+ssh://")
+ || starts_with(url, "ssh+git://")) {
/* These are builtin smart transports. */
struct git_transport_data *data = xcalloc(1, sizeof(*data));
ret->data = data;
size_t anon_len, prefix_len = 0;
anon_part = strchr(url, '@');
- if (is_local(url) || !anon_part)
+ if (url_is_local_not_ssh(url) || !anon_part)
goto literal_copy;
anon_len = strlen(++anon_part);