mirror of https://github.com/tmux/tmux.git
120 lines
3.1 KiB
C
120 lines
3.1 KiB
C
/* $OpenBSD$ */
|
|
|
|
/*
|
|
* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
/*
|
|
* Set an environment variable.
|
|
*/
|
|
|
|
static enum cmd_retval cmd_set_environment_exec(struct cmd *,
|
|
struct cmdq_item *);
|
|
|
|
const struct cmd_entry cmd_set_environment_entry = {
|
|
.name = "set-environment",
|
|
.alias = "setenv",
|
|
|
|
.args = { "Fhgrt:u", 1, 2, NULL },
|
|
.usage = "[-Fhgru] " CMD_TARGET_SESSION_USAGE " name [value]",
|
|
|
|
.target = { 't', CMD_FIND_SESSION, CMD_FIND_CANFAIL },
|
|
|
|
.flags = CMD_AFTERHOOK,
|
|
.exec = cmd_set_environment_exec
|
|
};
|
|
|
|
static enum cmd_retval
|
|
cmd_set_environment_exec(struct cmd *self, struct cmdq_item *item)
|
|
{
|
|
struct args *args = cmd_get_args(self);
|
|
struct cmd_find_state *target = cmdq_get_target(item);
|
|
struct environ *env;
|
|
const char *name = args_string(args, 0), *value;
|
|
const char *tflag;
|
|
char *expanded = NULL;
|
|
enum cmd_retval retval = CMD_RETURN_NORMAL;
|
|
|
|
if (*name == '\0') {
|
|
cmdq_error(item, "empty variable name");
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
if (strchr(name, '=') != NULL) {
|
|
cmdq_error(item, "variable name contains =");
|
|
return (CMD_RETURN_ERROR);
|
|
}
|
|
|
|
if (args_count(args) < 2)
|
|
value = NULL;
|
|
else
|
|
value = args_string(args, 1);
|
|
if (value != NULL && args_has(args, 'F')) {
|
|
expanded = format_single_from_target(item, value);
|
|
value = expanded;
|
|
}
|
|
if (args_has(args, 'g'))
|
|
env = global_environ;
|
|
else {
|
|
if (target->s == NULL) {
|
|
tflag = args_get(args, 't');
|
|
if (tflag != NULL)
|
|
cmdq_error(item, "no such session: %s", tflag);
|
|
else
|
|
cmdq_error(item, "no current session");
|
|
retval = CMD_RETURN_ERROR;
|
|
goto out;
|
|
}
|
|
env = target->s->environ;
|
|
}
|
|
|
|
if (args_has(args, 'u')) {
|
|
if (value != NULL) {
|
|
cmdq_error(item, "can't specify a value with -u");
|
|
retval = CMD_RETURN_ERROR;
|
|
goto out;
|
|
}
|
|
environ_unset(env, name);
|
|
} else if (args_has(args, 'r')) {
|
|
if (value != NULL) {
|
|
cmdq_error(item, "can't specify a value with -r");
|
|
retval = CMD_RETURN_ERROR;
|
|
goto out;
|
|
}
|
|
environ_clear(env, name);
|
|
} else {
|
|
if (value == NULL) {
|
|
cmdq_error(item, "no value specified");
|
|
retval = CMD_RETURN_ERROR;
|
|
goto out;
|
|
}
|
|
|
|
if (args_has(args, 'h'))
|
|
environ_set(env, name, ENVIRON_HIDDEN, "%s", value);
|
|
else
|
|
environ_set(env, name, 0, "%s", value);
|
|
}
|
|
|
|
out:
|
|
free(expanded);
|
|
return (retval);
|
|
}
|