Always verify nix store on install
Just wasted a couple hours chasing shadows because the nix store got corrupted and there was no indication of that anywhere. Since an install is one-time only, might as well verify. Optimization showed that the copied files aren't read-only; fixed that as well. Also, use /bin/sh since there's a good chance that this script will be run on systems without /bin/bash
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@ -1,4 +1,4 @@
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#! /usr/bin/env bash
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#!/bin/sh
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set -e
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@ -49,7 +49,10 @@ for i in $(cd $self/store >/dev/null && echo *); do
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fi
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if ! [ -e "$dest/store/$i" ]; then
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cp -Rp "$self/store/$i" "$i_tmp"
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chmod -R a-w "$i_tmp"
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chmod +w "$i_tmp"
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mv "$i_tmp" "$dest/store/$i"
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chmod -w "$dest/store/$i"
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fi
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done
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echo "" >&2
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@ -65,6 +68,11 @@ if ! $nix/bin/nix-store --load-db < $self/.reginfo; then
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exit 1
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fi
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if ! $nix/bin/nix-store --verify; then
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echo "$0: store verification failed! Consider deleting /nix and starting over" >&2
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exit 1
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fi
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. $nix/etc/profile.d/nix.sh
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if ! $nix/bin/nix-env -i "$nix"; then
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@ -123,3 +131,12 @@ variables are set, either log in again, or type
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in your shell.
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EOF
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fi
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cat >&2 <<EOF
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Then, consider running
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nix-store --optimise
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which will reduce store disk usage by hardlinking identical
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files together.
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EOF
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