Binary tarball: Automatically create /nix
The tarball can now be unpacked anywhere. The installation script uses "sudo" to create /nix if it doesn't exist. It also fetches the nixpkgs-unstable channel.
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3 changed files with 117 additions and 37 deletions
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@ -1,17 +1,74 @@
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#! /bin/sh -e
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#! /bin/sh
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nix=@nix@
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regInfo=@regInfo@
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set -e
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if ! $nix/bin/nix-store --load-db < $regInfo; then
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echo "$0: unable to register valid paths"
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dest="/nix"
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self="$(dirname "$0")"
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nix="@nix@"
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if ! [ -e $self/.reginfo ]; then
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echo "$0: incomplete installer (.reginfo is missing)" >&2
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exit 1
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fi
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. @nix@/etc/profile.d/nix.sh
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if [ -z "$USER" ]; then
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echo "$0: \$USER is not set" >&2
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exit 1
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fi
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if ! $nix/bin/nix-env -i @nix@; then
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echo "$0: unable to install Nix into your default profile"
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if [ "$(id -u)" -eq 0 ]; then
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echo "warning: installing Nix as root is not recommended" >&2
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exit 1
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fi
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echo "performing a single-user installation of Nix..." >&2
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if ! [ -e $dest ]; then
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cmd="mkdir -m 0755 $dest && chown $USER $dest"
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echo "directory $dest does not exist; creating it by running \`$cmd' using sudo" >&2
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if ! sudo sh -c "$cmd"; then
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echo "$0: please manually run \`$cmd' as root to create $dest" >&2
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exit 1
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fi
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fi
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if ! [ -w $dest ]; then
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echo "$0: directory $dest exists, but is not writable by you; please run \`chown -R $USER $dest' as root" >&2
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exit 1
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fi
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mkdir -p $dest/store
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echo -n "copying Nix to $dest/store..." >&2
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for i in $(cd $self/store && echo *); do
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echo -n "." >&2
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i_tmp="$dest/store/$i.$$"
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if [ -e "$i_tmp" ]; then
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rm -rf "$i_tmp"
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fi
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if ! [ -e "$dest/store/$i" ]; then
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cp -rp "$self/store/$i" "$i_tmp"
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mv "$i_tmp" "$dest/store/$i"
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fi
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done
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echo "" >&2
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echo "initialising Nix database..." >&2
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if ! $nix/bin/nix-store --init; then
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echo "$0: failed to initialize the Nix database" >&2
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exit 1
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fi
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if ! $nix/bin/nix-store --load-db < $self/.reginfo; then
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echo "$0: unable to register valid paths" >&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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echo "$0: unable to install Nix into your default profile" >&2
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exit 1
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fi
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@ -21,20 +78,40 @@ if ! $nix/bin/nix-channel --list | grep -q "^nixpkgs "; then
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fi
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$nix/bin/nix-channel --update nixpkgs
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# Add nix.sh to the shell's profile.d directory.
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# Make the shell source nix.sh during login.
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p=$NIX_LINK/etc/profile.d/nix.sh
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if [ -w /etc/profile.d ]; then
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ln -s $p /etc/profile.d/
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elif [ -w /usr/local/etc/profile.d ]; then
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ln -s $p /usr/local/etc/profile.d/
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else
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cat <<EOF
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Installation finished. To ensure that the necessary environment
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added=
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for i in .bash_profile .bash_login .profile; do
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fn="$HOME/$i"
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if [ -e "$fn" ]; then
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if ! grep -q "$p" "$fn"; then
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echo "modifying $fn..." >&2
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echo "if [ -e $p ]; then . $p; fi # added by Nix installer" >> $fn
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fi
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added=1
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break
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fi
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done
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if [ -z "$added" ]; then
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cat >&2 <<EOF
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Installation finished! To ensure that the necessary environment
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variables are set, please add the line
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source $p
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. $p
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to your shell profile (e.g. ~/.profile).
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EOF
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else
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cat >&2 <<EOF
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Installation finished! To ensure that the necessary environment
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variables are set, either log in again, or type
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. $p
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in your shell.
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EOF
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fi
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