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	---
	commit bafbba56cd5735c680676db2adf6f614ba61356f
	parent 11625c7166b7e4dad414606227acec2de1c36464
	Author: Eric Pruitt <[email protected]>
	Date: Tue, 28 Oct 2014 17:51:42 -0700

	Check for presence of SHELL environment variable

	- POSIX states the SHELL environment variable "... shall represent a
	pathname of the user's preferred command language interpreter." As
	such, st should check for its presence when deciding what shell to
	use; just as HOME can be defined to override one's passwd-defined home
	directory, a user should also be able to override their passwd-defined
	shell using the SHELL environment variable.

	Diffstat:
	M st.c \| 5 ++++-

	1 file changed, 4 insertions(+), 1 deletion(-)
	---
	diff --git a/st.c b/st.c
	t@@ -1158,7 +1158,10 @@ execsh(void) {
	die("who are you?\n");
	}

	- sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
	+ if (!(sh = getenv("SHELL"))) {
	+ sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
	+ }
	+
	if(opt_cmd)
	prog = opt_cmd[0];
	else if(utmp)