Add a friendly top comment about nix-installer.sh
(#216)
* Add a friendly top comment about nix-installer.sh * Add Cole's rigorous grammar * add a missing 'that'
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#!/bin/sh
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#!/bin/sh
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# shellcheck shell=dash
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# shellcheck shell=dash
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# This script is based off https://github.com/rust-lang/rustup/blob/8f6b53628ad996ad86f9c6225fa500cddf860905/rustup-init.sh
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# If you need an offline install, or you'd prefer to run the binary directly, head to
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# https://github.com/DeterminateSystems/nix-installer/releases then pick the version and platform
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# This is just a little script that can be downloaded from the internet to
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# most appropriate for your deployment target.
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# install `nix-installer`. It just does platform detection, downloads the installer
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#
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# and runs it.
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# This is just a little script that selects and downloads the right `nix-installer`. It does
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# platform detection, downloads the installer, and runs it; that's it.
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#
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# It runs on Unix shells like {a,ba,da,k,z}sh. It uses the common `local`
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# It runs on Unix shells like {a,ba,da,k,z}sh. It uses the common `local`
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# extension. Note: Most shells limit `local` to 1 var per line, contra bash.
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# extension. Note: Most shells limit `local` to 1 var per line, contra bash.
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# This script is based off https://github.com/rust-lang/rustup/blob/8f6b53628ad996ad86f9c6225fa500cddf860905/rustup-init.sh
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if [ "$KSH_VERSION" = 'Version JM 93t+ 2010-03-05' ]; then
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if [ "$KSH_VERSION" = 'Version JM 93t+ 2010-03-05' ]; then
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# The version of ksh93 that ships with many illumos systems does not
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# The version of ksh93 that ships with many illumos systems does not
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# support the "local" extension. Print a message rather than fail in
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# support the "local" extension. Print a message rather than fail in
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