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Check for presence of SHELL environment variable

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- 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.
This commit is contained in:
Eric Pruitt 2014-10-28 17:51:42 -07:00 committed by Roberto E. Vargas Caballero
parent 11625c7166
commit bafbba56cd
1 changed files with 4 additions and 1 deletions
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5
st.c
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@ -1158,7 +1158,10 @@ execsh(void) {
die("who are you?\n"); 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) if(opt_cmd)
prog = opt_cmd[0]; prog = opt_cmd[0];
else if(utmp) else if(utmp)