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installer: don't require xz on darwin

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On macOS the system tar has builtin support for lzma while xz isn't
available as a separate binary.  There's no builtin package manager
there available either so having to install lzma (without nix) would be
rather painful.

(cherry picked from commit 4e6d7cb55a)
This commit is contained in:
Daiderd Jordan 2020-05-27 20:58:42 +02:00 • committed by Eelco Dolstra
parent 2fad345ae1
commit a836abc5bd
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1 changed files with 3 additions and 1 deletions
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2
scripts/install.in
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@ -36,7 +36,9 @@ tarball="$tmpDir/$(basename "$tmpDir/nix-@nixVersion@-$system.tar.xz")"
require_util curl "download the binary tarball" require_util curl "download the binary tarball"
require_util tar "unpack the binary tarball" require_util tar "unpack the binary tarball"
if [ "$(uname -s)" != "Darwin" ]; then
require_util xz "unpack the binary tarball" require_util xz "unpack the binary tarball"
fi
echo "downloading Nix @nixVersion@ binary tarball for $system from '$url' to '$tmpDir'..." echo "downloading Nix @nixVersion@ binary tarball for $system from '$url' to '$tmpDir'..."
curl -L "$url" -o "$tarball" || oops "failed to download '$url'" curl -L "$url" -o "$tarball" || oops "failed to download '$url'"