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Run job commands explicitly in the global enviroment (which can be

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modified with setenv -g) rather than with the environment tmux started
with.
This commit is contained in:
Nicholas Marriott
2010-04-04 19:02:09 +00:00
parent 7425122c1c
commit b02cd35354
5 changed files with 50 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
environ.c
View File

@@ -35,12 +35,14 @@ environ_cmp(struct environ_entry *envent1, struct environ_entry *envent2)
return (strcmp(envent1->name, envent2->name));
}
/* Initialise the environment. */
void
environ_init(struct environ *env)
{
RB_INIT(env);
}
/* Free an environment. */
void
environ_free(struct environ *env)
{
@@ -56,6 +58,7 @@ environ_free(struct environ *env)
}
}
/* Copy one environment into another. */
void
environ_copy(struct environ *srcenv, struct environ *dstenv)
{
@@ -65,6 +68,7 @@ environ_copy(struct environ *srcenv, struct environ *dstenv)
environ_set(dstenv, envent->name, envent->value);
}
/* Find an environment variable. */
struct environ_entry *
environ_find(struct environ *env, const char *name)
{
@@ -74,6 +78,7 @@ environ_find(struct environ *env, const char *name)
return (RB_FIND(environ, env, &envent));
}
/* Set an environment variable. */
void
environ_set(struct environ *env, const char *name, const char *value)
{
@@ -97,6 +102,7 @@ environ_set(struct environ *env, const char *name, const char *value)
}
}
/* Set an environment variable from a NAME=VALUE string. */
void
environ_put(struct environ *env, const char *var)
{
@@ -114,6 +120,7 @@ environ_put(struct environ *env, const char *var)
xfree(name);
}
/* Unset an environment variable. */
void
environ_unset(struct environ *env, const char *name)
{
@@ -128,6 +135,10 @@ environ_unset(struct environ *env, const char *name)
xfree(envent);
}
/*
* Copy a space-separated list of variables from a destination into a source
* environment.
*/
void
environ_update(const char *vars, struct environ *srcenv, struct environ *dstenv)
{
@@ -143,3 +154,28 @@ environ_update(const char *vars, struct environ *srcenv, struct environ *dstenv)
}
xfree(copyvars);
}
/* Push environment into the real environment - use after fork(). */
void
environ_push(struct environ *env)
{
ARRAY_DECL(, char *) varlist;
struct environ_entry *envent;
char **varp, *var;
u_int i;
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++)
unsetenv(ARRAY_ITEM(&varlist, i));
ARRAY_FREE(&varlist);
RB_FOREACH(envent, environ, env) {
if (envent->value != NULL)
setenv(envent->name, envent->value, 1);
}
}

3
job.c
View File

@@ -150,7 +150,8 @@ job_run(struct job *job)
return (-1);
case 0: /* child */
server_signal_clear();
/* XXX environ? */
environ_push(&global_environ);
if (dup2(out[1], STDOUT_FILENO) == -1)
fatal("dup2 failed");

4
tmux.1
View File

@@ -1745,6 +1745,10 @@ the
.Ic status-interval
option: if the status line is redrawn in the meantime, the previous result is
used.
Shell commands are executed with the
.Nm
global environment set (see the
.Sx ENVIRONMENT section).
.Pp
#[attributes] allows a comma-separated list of attributes to be specified,
these may be

1
tmux.h
View File

@@ -1330,6 +1330,7 @@ void environ_set(struct environ *, const char *, const char *);
void environ_put(struct environ *, const char *);
void environ_unset(struct environ *, const char *);
void environ_update(const char *, struct environ *, struct environ *);
void environ_push(struct environ *);
/* tty.c */
void tty_raw(struct tty *, const char *);

20
window.c
View File

@@ -482,12 +482,9 @@ window_pane_spawn(struct window_pane *wp, const char *cmd, const char *shell,
{
struct winsize ws;
int mode;
char *argv0, **varp, *var;
ARRAY_DECL(, char *) varlist;
struct environ_entry *envent;
char *argv0;
const char *ptr;
struct termios tio2;
u_int i;
if (wp->fd != -1) {
close(wp->fd);
@@ -530,20 +527,7 @@ window_pane_spawn(struct window_pane *wp, const char *cmd, const char *shell,
if (tcsetattr(STDIN_FILENO, TCSANOW, &tio2) != 0)
fatal("tcgetattr 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);
}
environ_push(env);
server_signal_clear();
log_close();