mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-23 06:03:40 +00:00
111 lines
2.4 KiB
Bash
111 lines
2.4 KiB
Bash
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#! @shell@
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# !!! Hack - should be done with udev rules.
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chmod 666 /dev/null
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# Set up the statically computed bits of /etc.
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staticEtc=/etc/static
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rm -f $staticEtc
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ln -s @etc@/etc $staticEtc
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for i in $(cd $staticEtc && find * -type l); do
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mkdir -p /etc/$(dirname $i)
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rm -f /etc/$i
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ln -s $staticEtc/$i /etc/$i
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done
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# Remove dangling symlinks that point to /etc/static. These are
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# configuration files that existed in a previous configuration but not
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# in the current one.
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for i in $(find /etc/ -type l); do
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target=$(readlink "$i")
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if test "${target:0:${#staticEtc}}" = "$staticEtc" -a ! -e "$i"; then
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rm -f "$i"
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fi
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done
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# Enable a password-less root login.
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source @accounts@
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if ! test -e /etc/passwd; then
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if test -n "@readOnlyRoot@"; then
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rootHome=/
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else
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rootHome=/home/root
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mkdir -p $rootHome
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fi
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createUser root '' 0 0 'System administrator' $rootHome/var/empty @shell@
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fi
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if ! test -e /etc/group; then
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echo "root:*:0" > /etc/group
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fi
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# Set up Nix accounts.
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if test -z "@readOnlyRoot@"; then
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for i in $(seq 1 10); do
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account=nixbld$i
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if ! userExists $account; then
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createUser $account x \
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$((i + 30000)) 30000 \
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'Nix build user' /var/empty /noshell
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fi
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accounts="$accounts${accounts:+,}$account"
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done
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if ! grep -q "^nixbld:" /etc/group; then
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echo "nixbld:*:30000:$accounts" >> /etc/group
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fi
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mkdir -p /nix/etc/nix
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cat > /nix/etc/nix/nix.conf <<EOF
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build-users-group = nixbld
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EOF
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chown root.nixbld /nix/store
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chmod 1775 /nix/store
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fi
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# Additional path for the interactive shell.
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PATH=@wrapperDir@:@fullPath@/bin:@fullPath@/sbin
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cat > /etc/profile <<EOF
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export PATH=$PATH
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export MODULE_DIR=@kernel@/lib/modules
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export NIX_CONF_DIR=/nix/etc/nix
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if test "\$USER" != root; then
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export NIX_REMOTE=daemon
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fi
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source $(dirname $(readlink -f $(type -tp nix-env)))/../etc/profile.d/nix.sh
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alias ll="ls -l"
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if test -f /etc/profile.local; then
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source /etc/profile.local
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fi
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EOF
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# Make a few setuid programs work.
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wrapperDir=@wrapperDir@
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if test -d $wrapperDir; then rm -f $wrapperDir/*; fi
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mkdir -p $wrapperDir
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for i in passwd su; do
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program=$(type -tp $i)
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cp $(type -tp setuid-wrapper) $wrapperDir/$i
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echo -n $program > $wrapperDir/$i.real
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chown root.root $wrapperDir/$i
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chmod 4755 $wrapperDir/$i
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done
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# Set the host name.
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hostname @hostName@
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