Fix macos sandbox script incorrectly assuming that getconf doesn't exist
#5780
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kit-ty-kate
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Jan 12, 2024
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Note that by default macOS already defines TMPDIR during startup so this code is almost never executed in practice (i think the only way would be if you manually unset that variable or if you start your shell with env -i, which is definetely possible but unlikely)
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As noted in #5778, this is a proper bugfix:
[ -z /usr/bin/getconf ]tests if the literal string "/usr/bin/getconf" is empty - which is always false - and doesn't probe the filesystem at all.command -v getconf >/dev/nullactually asks the system if that command exists. The place where it is defined (/usr/bin or anything else) doesn't matter since we call it directly below.It should be noted that if
$TMPDIRis not set andgetconfdoesn't exist, we carry on the program silently. Is that intended?I do not have a macos machine on hand and cannot test this, but this could be related to #4958