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If SHELL is not set, fall back to /bin/sh so CHAT(SHELL) might work. (#424)

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Nick Briggs 2022-05-28 12:37:43 -07:00 committed by GitHub
parent a18f09d788
commit 60af445afa
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src/unixfork.c
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@ -129,6 +129,8 @@ static int ForkUnixShell(int slot, char *PtySlave, char *termtype, char *shellar
}
/* Start up shell -- use SHELL environment variable as long as it's in /etc/shells */
shell = getenv("SHELL");
if (shell == NULL) /* shell of last resort */
shell = "/bin/sh";
for (userShell = getusershell(); userShell != NULL && strcmp(shell, userShell) != 0; userShell = getusershell());
if (userShell == NULL) {
perror("$(SHELL) not found in /etc/shells");