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Alter how tmux handles the working directory to internally use file

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descriptors rather than strings.

- Each session still has a current working directory.

- New sessions still get their working directory from the client that
  created them or its attached session if any.

- New windows are created by default in the session working directory.

- The -c flag to new, neww, splitw allows the working directory to be
  overridden.

- The -c flag to attach let's the session working directory be changed.

- The default-path option has been removed.

To get the equivalent to default-path '.', do:

        bind c neww -c $PWD

To get the equivalent of default-path '~', do:

        bind c neww -c ~

This also changes the client identify protocol to be a set of messages rather
than one as well as some other changes that should make it easier to make
backwards-compatible protocol changes in future.
This commit is contained in:
nicm
2013-10-10 12:26:34 +00:00
parent 165aa59760
commit 282c5f9644
17 changed files with 363 additions and 300 deletions
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68
cmd-attach-session.c
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@@ -18,7 +18,11 @@
#include <sys/types.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "tmux.h"
@@ -30,21 +34,25 @@ enum cmd_retval cmd_attach_session_exec(struct cmd *, struct cmd_q *);
const struct cmd_entry cmd_attach_session_entry = {
"attach-session", "attach",
"drt:", 0, 0,
"[-dr] " CMD_TARGET_SESSION_USAGE,
"c:drt:", 0, 0,
"[-dr] [-c working-directory] " CMD_TARGET_SESSION_USAGE,
CMD_CANTNEST|CMD_STARTSERVER,
NULL,
cmd_attach_session_exec
};
enum cmd_retval
cmd_attach_session(struct cmd_q *cmdq, const char* tflag, int dflag, int rflag)
cmd_attach_session(struct cmd_q *cmdq, const char *tflag, int dflag, int rflag,
const char *cflag)
{
struct session *s;
struct client *c;
const char *update;
char *cause;
u_int i;
struct session *s;
struct client *c;
const char *update;
char *cause;
u_int i;
int fd;
struct format_tree *ft;
char *cp;
if (RB_EMPTY(&sessions)) {
cmdq_error(cmdq, "no sessions");
@@ -73,6 +81,27 @@ cmd_attach_session(struct cmd_q *cmdq, const char* tflag, int dflag, int rflag)
}
}
if (cflag != NULL) {
ft = format_create();
if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
format_client(ft, c);
format_session(ft, s);
format_winlink(ft, s, s->curw);
format_window_pane(ft, s->curw->window->active);
cp = format_expand(ft, cflag);
format_free(ft);
fd = open(cp, O_RDONLY|O_DIRECTORY);
free(cp);
if (fd == -1) {
cmdq_error(cmdq, "bad working directory: %s",
strerror(errno));
return (CMD_RETURN_ERROR);
}
close(s->cwd);
s->cwd = fd;
}
cmdq->client->session = s;
notify_attached_session_changed(cmdq->client);
session_update_activity(s);
@@ -85,6 +114,27 @@ cmd_attach_session(struct cmd_q *cmdq, const char* tflag, int dflag, int rflag)
return (CMD_RETURN_ERROR);
}
if (cflag != NULL) {
ft = format_create();
if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
format_client(ft, c);
format_session(ft, s);
format_winlink(ft, s, s->curw);
format_window_pane(ft, s->curw->window->active);
cp = format_expand(ft, cflag);
format_free(ft);
fd = open(cp, O_RDONLY|O_DIRECTORY);
free(cp);
if (fd == -1) {
cmdq_error(cmdq, "bad working directory: %s",
strerror(errno));
return (CMD_RETURN_ERROR);
}
close(s->cwd);
s->cwd = fd;
}
if (rflag)
cmdq->client->flags |= CLIENT_READONLY;
@@ -115,5 +165,5 @@ cmd_attach_session_exec(struct cmd *self, struct cmd_q *cmdq)
struct args *args = self->args;
return (cmd_attach_session(cmdq, args_get(args, 't'),
args_has(args, 'd'), args_has(args, 'r')));
args_has(args, 'd'), args_has(args, 'r'), args_get(args, 'c')));
}