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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
Download Patch File Download Diff File Expand all files Collapse all files

37
window.c
View File

@ -254,7 +254,7 @@ window_create1(u_int sx, u_int sy)
struct window *
window_create(const char *name, const char *cmd, const char *cwd,
const char **envp, u_int sx, u_int sy, u_int hlimit, char **cause)
struct environ *env, u_int sx, u_int sy, u_int hlimit, char **cause)
{
struct window *w;
struct window_pane *wp;
@ -262,7 +262,7 @@ window_create(const char *name, const char *cmd, const char *cwd,
w = window_create1(sx, sy);
wp = window_add_pane(w, hlimit);
layout_init(w);
if (window_pane_spawn(wp, cmd, cwd, envp, cause) != 0) {
if (window_pane_spawn(wp, cmd, cwd, env, cause) != 0) {
window_destroy(w);
return (NULL);
}
@ -456,13 +456,16 @@ window_pane_destroy(struct window_pane *wp)
int
window_pane_spawn(struct window_pane *wp,
const char *cmd, const char *cwd, const char **envp, char **cause)
const char *cmd, const char *cwd, struct environ *env, char **cause)
{
struct winsize ws;
int mode;
const char **envq, *ptr;
char *argv0;
struct timeval tv;
struct winsize ws;
int mode;
char *argv0, **varp, *var;
ARRAY_DECL(, char *) varlist;
struct environ_entry *envent;
const char *ptr;
struct timeval tv;
u_int i;
if (wp->fd != -1)
close(wp->fd);
@ -495,10 +498,22 @@ window_pane_spawn(struct window_pane *wp,
case 0:
if (chdir(wp->cwd) != 0)
chdir("/");
for (envq = envp; *envq != NULL; envq++) {
if (putenv(xstrdup(*envq)) != 0)
fatal("putenv failed");
ARRAY_INIT(&varlist);
for (varp = environ; *varp != NULL; varp++) {
var = xstrdup(*varp);
var[strcspn(var, "=")] = '\0';
ARRAY_ADD(&varlist, var);
}
for (i = 0; i < ARRAY_LENGTH(&varlist); i++) {
var = ARRAY_ITEM(&varlist, i);
unsetenv(var);
}
RB_FOREACH(envent, environ, env) {
if (envent->value != NULL)
setenv(envent->name, envent->value, 1);
}
sigreset();
log_close();