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When using tmux as a login shell, there is currently no way to specify a shell

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to be used as a login shell inside tmux, so add a default-shell session option.
This sets the shell invoked as a login shell when the default-command option is
empty.

The default option value is whichever of $SHELL, getpwuid(getuid())'s pw_shell
or /bin/sh is valid first.

Based on a diff from martynas@, changed by me to be a session option rather
than a window option.
This commit is contained in:
Nicholas Marriott
2009-09-01 13:09:49 +00:00
parent f8aa5821be
commit 7d5e494716
9 changed files with 111 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
window.c
View File

@@ -58,38 +58,6 @@ struct windows windows;
RB_GENERATE(winlinks, winlink, entry, winlink_cmp);
const char *
window_default_command(void)
{
const char *shell, *ptr;
char *progname;
struct passwd *pw;
shell = getenv("SHELL");
if (shell != NULL && *shell != '\0')
goto found;
pw = getpwuid(getuid());
if (pw != NULL && pw->pw_shell != NULL && *pw->pw_shell != '\0') {
shell = pw->pw_shell;
goto found;
}
return (_PATH_BSHELL);
found:
if ((ptr = strrchr(shell, '/')) != NULL)
ptr++;
else
ptr = shell;
progname = __progname;
if (*progname == '-')
progname++;
if (strcmp(ptr, progname) == 0)
return (_PATH_BSHELL);
return (shell);
}
int
winlink_cmp(struct winlink *wl1, struct winlink *wl2)
{
@@ -270,9 +238,9 @@ window_create1(u_int sx, u_int sy)
}
struct window *
window_create(const char *name, const char *cmd, const char *cwd,
struct environ *env, struct termios *tio, u_int sx, u_int sy, u_int hlimit,
char **cause)
window_create(const char *name, const char *cmd, const char *shell,
const char *cwd, struct environ *env, struct termios *tio,
u_int sx, u_int sy, u_int hlimit,char **cause)
{
struct window *w;
struct window_pane *wp;
@@ -280,7 +248,7 @@ 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, env, tio, cause) != 0) {
if (window_pane_spawn(wp, cmd, shell, cwd, env, tio, cause) != 0) {
window_destroy(w);
return (NULL);
}
@@ -423,6 +391,7 @@ window_pane_create(struct window *w, u_int sx, u_int sy, u_int hlimit)
wp->window = w;
wp->cmd = NULL;
wp->shell = NULL;
wp->cwd = NULL;
wp->fd = -1;
@@ -467,13 +436,15 @@ window_pane_destroy(struct window_pane *wp)
if (wp->cwd != NULL)
xfree(wp->cwd);
if (wp->shell != NULL)
xfree(wp->shell);
if (wp->cmd != NULL)
xfree(wp->cmd);
xfree(wp);
}
int
window_pane_spawn(struct window_pane *wp, const char *cmd,
window_pane_spawn(struct window_pane *wp, const char *cmd, const char *shell,
const char *cwd, struct environ *env, struct termios *tio, char **cause)
{
struct winsize ws;
@@ -492,6 +463,11 @@ window_pane_spawn(struct window_pane *wp, const char *cmd,
xfree(wp->cmd);
wp->cmd = xstrdup(cmd);
}
if (shell != NULL) {
if (wp->shell != NULL)
xfree(wp->shell);
wp->shell = xstrdup(shell);
}
if (cwd != NULL) {
if (wp->cwd != NULL)
xfree(wp->cwd);
@@ -541,12 +517,12 @@ window_pane_spawn(struct window_pane *wp, const char *cmd,
}
/* No command; fork a login shell. */
cmd = window_default_command();
if ((ptr = strrchr(cmd, '/')) != NULL && *(ptr + 1) != '\0')
ptr = strrchr(wp->shell, '/');
if (ptr != NULL && *(ptr + 1) != '\0')
xasprintf(&argv0, "-%s", ptr + 1);
else
xasprintf(&argv0, "-%s", cmd);
execl(cmd, argv0, (char *) NULL);
xasprintf(&argv0, "-%s", wp->shell);
execl(wp->shell, argv0, (char *) NULL);
fatal("execl failed");
}