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https://github.com/mawww/kakoune.git
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Check session valididty on kak -l and support kak -clear for clearing the dead ones
Fixes #689
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4747ba6be9
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@ -224,7 +224,13 @@ Just running *kak* launch a new kak session with a client on local terminal.
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acting as a remote control.
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* `-f <keys>`: Work as a filter, read every file given on the command line
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and stdin if piped in, and apply given keys on each.
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* `-l`: list existing sessions
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* `-ui <userinterface>`: use given user interface, `<userinterface>` can be
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- `ncurses`: default terminal user interface
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- `dummy`: empty user interface not displaying anything
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- `json`: json-rpc based user interface that writes json on stdout and
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read keystrokes as json on stdin.
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* `-l`: list existing sessions, and check the dead ones
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* `-clear`: clear dead sessions socket files
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At startup, if `-n` is not specified, Kakoune will try to source the file
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`../share/kak/kakrc` relative to the kak binary. This kak file will then try
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23
src/main.cc
23
src/main.cc
@ -731,7 +731,8 @@ int main(int argc, char* argv[])
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{ "f", { true, "act as a filter, executing given keys on given files" } },
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{ "q", { false, "in filter mode, be quiet about errors applying keys" } },
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{ "ui", { true, "set the type of user interface to use (ncurses, dummy, or json)" } },
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{ "l", { false, "list existing sessions" } } }
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{ "l", { false, "list existing sessions" } },
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{ "clear", { false, "clear dead sessions" } } }
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};
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try
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{
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@ -741,12 +742,26 @@ int main(int argc, char* argv[])
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ParametersParser parser(params, param_desc);
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if (parser.get_switch("l"))
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const bool list_sessions = (bool)parser.get_switch("l");
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const bool clear_sessions = (bool)parser.get_switch("clear");
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if (list_sessions or clear_sessions)
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{
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for (auto& file : list_files(format("/tmp/kakoune/{}/", getpwuid(geteuid())->pw_name)))
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write_stdout(format("{}\n", file));
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StringView username = getpwuid(geteuid())->pw_name;
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for (auto& session : list_files(format("/tmp/kakoune/{}/", username)))
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{
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const bool valid = check_session(session);
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if (list_sessions)
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write_stdout(format("{}{}\n", session, valid ? "" : " (dead)"));
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if (not valid and clear_sessions)
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{
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char socket_file[128];
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format_to(socket_file, "/tmp/kakoune/{}/{}", username, session);
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unlink(socket_file);
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}
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}
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return 0;
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}
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if (auto session = parser.get_switch("p"))
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{
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for (auto opt : { "c", "n", "s", "d", "e" })
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@ -436,6 +436,14 @@ static int connect_to(StringView session)
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return sock;
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}
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bool check_session(StringView session)
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{
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int sock = socket(AF_UNIX, SOCK_STREAM, 0);
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auto close_sock = on_scope_end([sock]{ close(sock); });
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sockaddr_un addr = session_addr(session);
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return connect(sock, (sockaddr*)&addr, sizeof(addr.sun_path)) != -1;
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}
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RemoteClient::RemoteClient(StringView session, std::unique_ptr<UserInterface>&& ui,
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const EnvVarMap& env_vars, StringView init_command)
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: m_ui(std::move(ui))
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@ -59,6 +59,8 @@ private:
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Vector<std::unique_ptr<Accepter>> m_accepters;
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};
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bool check_session(StringView session);
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}
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#endif // remote_hh_INCLUDED
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