#! @shell@ export PATH=/empty for i in @path@; do PATH=$PATH:$i/bin:$i/sbin; done # Needed by some programs. ln -sfn /proc/self/fd /dev/fd # Set up the statically computed bits of /etc. staticEtc=/etc/static rm -f $staticEtc ln -s @etc@/etc $staticEtc for i in $(cd $staticEtc && find * -type l); do mkdir -p /etc/$(dirname $i) rm -f /etc/$i ln -s $staticEtc/$i /etc/$i done # Remove dangling symlinks that point to /etc/static. These are # configuration files that existed in a previous configuration but not # in the current one. for i in $(find /etc/ -type l); do target=$(readlink "$i") if test "${target:0:${#staticEtc}}" = "$staticEtc" -a ! -e "$i"; then rm -f "$i" fi done # Various log directories. mkdir -m 0755 -p /var/run echo -n > /var/run/utmp # must exist chmod 664 /var/run/utmp mkdir -m 0755 -p /var/log # If there is no password file yet, create a root account with an # empty password. if ! test -e /etc/passwd; then rootHome=/root touch /etc/passwd; chmod 0644 /etc/passwd touch /etc/group; chmod 0644 /etc/group touch /etc/shadow; chmod 0600 /etc/shadow # Can't use useradd, since it complain that it doesn't know us # (bootstrap problem!). echo "root:x:0:0:System administrator:$rootHome:@shell@" >> /etc/passwd echo "root::::::::" >> /etc/shadow groupadd -g 0 root echo | passwd --stdin root fi # Some more required accounts/groups. if ! getent group nogroup > /dev/null; then groupadd -g 65534 nogroup fi # Set up Nix accounts. if test -z "@readOnlyRoot@"; then if ! getent group nixbld > /dev/null; then groupadd -g 30000 nixbld fi for i in $(seq 1 10); do account=nixbld$i if ! getent passwd $account > /dev/null; then useradd -u $((i + 30000)) -g nogroup -G nixbld \ -d /var/empty -s /noshell \ -c "Nix build user $i" $account fi done mkdir -p /nix/etc/nix cat > /nix/etc/nix/nix.conf < $wrapperDir/$i.real chown root.root $wrapperDir/$i chmod 4755 $wrapperDir/$i done # Set the host name. hostname @hostName@