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Infrastructure and commands to manage the environment for processes started

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within tmux.

There is a global environment, copied from the external environment when the
server is started and each sesssion has an (initially empty) session
environment which overrides it.

New commands set-environment and show-environment manipulate or display the
environments.

A new session option, update-environment, is a space-separated list of
variables which are updated from the external environment into the session
environment every time a new session is created - the default is DISPLAY.
This commit is contained in:
Nicholas Marriott
2009-08-08 21:52:43 +00:00
parent e985629440
commit 6491274f60
19 changed files with 549 additions and 63 deletions
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18
client.c
View File

@ -33,6 +33,7 @@
#include "tmux.h"
void client_send_environ(struct client_ctx *);
void client_handle_winch(struct client_ctx *);
int
@ -95,6 +96,8 @@ server_started:
cctx->srv_in = buffer_create(BUFSIZ);
cctx->srv_out = buffer_create(BUFSIZ);
if (cmdflags & CMD_SENDENVIRON)
client_send_environ(cctx);
if (isatty(STDIN_FILENO)) {
if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == -1)
fatal("ioctl(TIOCGWINSZ)");
@ -133,6 +136,19 @@ not_found:
return (1);
}
void
client_send_environ(struct client_ctx *cctx)
{
char **var;
struct msg_environ_data data;
for (var = environ; *var != NULL; var++) {
if (strlcpy(data.var, *var, sizeof data.var) >= sizeof data.var)
continue;
client_write_server(cctx, MSG_ENVIRON, &data, sizeof data);
}
}
int
client_main(struct client_ctx *cctx)
{
@ -242,8 +258,8 @@ client_msg_dispatch(struct client_ctx *cctx)
if (hdr.size != sizeof printdata)
fatalx("bad MSG_PRINT size");
buffer_read(cctx->srv_in, &printdata, sizeof printdata);
printdata.msg[(sizeof printdata.msg) - 1] = '\0';
printdata.msg[(sizeof printdata.msg) - 1] = '\0';
cctx->errstr = xstrdup(printdata.msg);
return (-1);
case MSG_EXIT: