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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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54
cmd-save-buffer.c
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@ -20,8 +20,10 @@
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <vis.h>
#include "tmux.h"
@ -54,17 +56,14 @@ enum cmd_retval
cmd_save_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct client *c;
struct client *c = cmdq->client;
struct session *s;
struct paste_buffer *pb;
const char *path, *newpath, *wd;
char *cause, *start, *end;
size_t size, used;
int buffer;
mode_t mask;
const char *path;
char *cause, *start, *end, *msg;
size_t size, used, msglen;
int cwd, fd, buffer;
FILE *f;
char *msg;
size_t msglen;
if (!args_has(args, 'b')) {
if ((pb = paste_get_top(&global_buffers)) == NULL) {
@ -91,7 +90,6 @@ cmd_save_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
else
path = args->argv[0];
if (strcmp(path, "-") == 0) {
c = cmdq->client;
if (c == NULL) {
cmdq_error(cmdq, "can't write to stdout");
return (CMD_RETURN_ERROR);
@ -101,28 +99,26 @@ cmd_save_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
goto do_print;
}
c = cmdq->client;
if (c != NULL)
wd = c->cwd;
else if ((s = cmd_current_session(cmdq, 0)) != NULL) {
wd = options_get_string(&s->options, "default-path");
if (*wd == '\0')
wd = s->cwd;
} else
wd = NULL;
if (wd != NULL && *wd != '\0') {
newpath = get_full_path(wd, path);
if (newpath != NULL)
path = newpath;
}
mask = umask(S_IRWXG | S_IRWXO);
if (args_has(self->args, 'a'))
f = fopen(path, "ab");
if (c != NULL && c->session == NULL)
cwd = c->cwd;
else if ((s = cmd_current_session(cmdq, 0)) != NULL)
cwd = s->cwd;
else
f = fopen(path, "wb");
umask(mask);
cwd = AT_FDCWD;
f = NULL;
if (args_has(self->args, 'a')) {
fd = openat(cwd, path, O_CREAT|O_RDWR|O_APPEND, 0600);
if (fd != -1)
f = fdopen(fd, "ab");
} else {
fd = openat(cwd, path, O_CREAT|O_RDWR, 0600);
if (fd != -1)
f = fdopen(fd, "wb");
}
if (f == NULL) {
if (fd != -1)
close(fd);
cmdq_error(cmdq, "%s: %s", path, strerror(errno));
return (CMD_RETURN_ERROR);
}