install script: remove unportable command check, fixup errant escape

`which` isn't necessarily portable, but `command -v` is an equivalent form.

Additionally, the `\'` is not necessary, as it is already quoted by `"`.
This commit is contained in:
Graham Christensen (Target) 2018-10-16 10:22:36 -04:00 committed by GitHub
parent 9617a04354
commit ea41838ae0
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@ -11,14 +11,14 @@ oops() {
}
tmpDir="$(mktemp -d -t nix-binary-tarball-unpack.XXXXXXXXXX || \
oops "Can\'t create temporary directory for downloading the Nix binary tarball")"
oops "Can't create temporary directory for downloading the Nix binary tarball")"
cleanup() {
rm -rf "$tmpDir"
}
trap cleanup EXIT INT QUIT TERM
require_util() {
type "$1" > /dev/null 2>&1 || which "$1" > /dev/null 2>&1 ||
type "$1" > /dev/null 2>&1 || command -v "$1" > /dev/null 2>&1 ||
oops "you do not have '$1' installed, which I need to $2"
}