feat: add nix (ublue-os#45)

Containerfile

@@ -46,4 +46,4 @@ COPY --from=cgr.dev/chainguard/cosign:latest /usr/bin/cosign /usr/bin/cosign
 
 RUN curl -Lo ./kind "https://kind.sigs.k8s.io/dl/v0.17.0/kind-$(uname)-amd64"
 RUN chmod +x ./kind
-RUN mv ./kind /usr/bin/kind
+RUN mv ./kind /usr/bin/kind

etc/justfile

@@ -22,7 +22,10 @@ distrobox-opensuse:
 distrobox-ubuntu:
   echo 'Creating Ubuntu distrobox ...'
   distrobox create --image quay.io/toolbx-images/ubuntu-toolbox:22.04 -n ubuntu -Y
-
+
+nix-me-up:
+  echo 'Setting phasers to kill. Installing nix.'
+  /usr/bin/nix-install
 update:
   rpm-ostree update
   flatpak update -y

etc/nix/nix.conf

@@ -0,0 +1 @@
+experimental-features = nix-command flakes

etc/profile.d/nix-app-icons.sh

@@ -0,0 +1 @@
+XDG_DATA_DIRS="$HOME/.nix-profile/share:/nix/var/nix/profiles/default/share:$XDG_DATA_DIRS"

usr/bin/nix-install

@@ -0,0 +1,93 @@
+#!/bin/bash
+sudo sleep 2
+echo "Adding selinux content to /nix"
+sudo semanage fcontext -a -t etc_t '/nix/store/[^/]+/etc(/.*)?' ; sudo semanage fcontext -a -t lib_t '/nix/store/[^/]+/lib(/.*)?' ; sudo semanage fcontext -a -t systemd_unit_file_t '/nix/store/[^/]+/lib/systemd/system(/.*)?' ; sudo semanage fcontext -a -t man_t '/nix/store/[^/]+/man(/.*)?' ; sudo semanage fcontext -a -t bin_t '/nix/store/[^/]+/s?bin(/.*)?' ; sudo semanage fcontext -a -t usr_t '/nix/store/[^/]+/share(/.*)?' ; sudo semanage fcontext -a -t var_run_t '/nix/var/nix/daemon-socket(/.*)?' ; sudo semanage fcontext -a -t usr_t '/nix/var/nix/profiles(/per-user/[^/]+)?/[^/]+'
+sleep 1
+sudo mkdir /var/lib/nix
+sleep 1
+echo "adding selinux content to /var/lib/nix"
+sudo semanage fcontext -a -t etc_t '/var/lib/nix/store/[^/]+/etc(/.*)?' ; sudo semanage fcontext -a -t lib_t '/var/lib/nix/store/[^/]+/lib(/.*)?' ; sudo semanage fcontext -a -t systemd_unit_file_t '/var/lib/nix/store/[^/]+/lib/systemd/system(/.*)?' ; sudo semanage fcontext -a -t man_t '/var/lib/nix/store/[^/]+/man(/.*)?' ; sudo semanage fcontext -a -t bin_t '/var/lib/nix/store/[^/]+/s?bin(/.*)?' ; sudo semanage fcontext -a -t usr_t '/var/lib/nix/store/[^/]+/share(/.*)?' ; sudo semanage fcontext -a -t var_run_t '/var/lib/nix/var/nix/daemon-socket(/.*)?' ; sudo semanage fcontext -a -t usr_t '/var/lib/nix/var/nix/profiles(/per-user/[^/]+)?/[^/]+'
+echo "Creating service files"
+sleep 1
+echo "creating SSL cert file"
+
+sudo tee /etc/systemd/system/nix-daemon.service.d/override.conf <<EOF
+[Service]
+Environment="NIX_SSL_CERT_FILE=/etc/ssl/certs/ca-bundle.crt"
+EOF
+sleep 1
+echo "Creating rootfs mkdir service"
+
+sudo tee /etc/systemd/system/mkdir-rootfs@.service <<EOF
+[Unit]
+Description=Enable mount points in / for ostree
+ConditionPathExists=!%f
+DefaultDependencies=no
+Requires=local-fs-pre.target
+After=local-fs-pre.target
+
+[Service]
+Type=oneshot
+ExecStartPre=chattr -i /
+ExecStart=mkdir -p '%f'
+ExecStopPost=chattr +i /
+EOF
+
+sleep 1
+echo "Creating nix.mount"
+
+sudo tee /etc/systemd/system/nix.mount <<EOF
+[Unit]
+Description=Nix Package Manager
+DefaultDependencies=no
+After=mkdir-rootfs@nix.service
+Wants=mkdir-rootfs@nix.service
+Before=sockets.target
+After=ostree-remount.service
+BindsTo=var.mount
+
+[Mount]
+What=/var/lib/nix
+Where=/nix
+Options=bind
+Type=none
+EOF
+
+sleep 1
+echo "Enabling mounting of /var/lib/nix to /nix and resetting SELinux context"
+sleep 1
+
+sudo systemctl daemon-reload ; sudo systemctl enable nix.mount ; sudo systemctl start nix.mount ; sudo restorecon -RF /nix
+
+sleep 1
+
+echo "Temorarly setting SELinux to permissive"
+
+sudo setenforce Permissive
+
+sleep 1
+
+echo "Preparring the nix install script"
+
+sleep 5
+
+sh <(curl -L https://nixos.org/nix/install) --daemon
+
+echo "Nix installer has finished running"
+sleep 1
+echo "Now copying service files"
+
+sleep 1
+
+sudo rm -f /etc/systemd/system/nix-daemon.{service,socket} ; sudo cp /nix/var/nix/profiles/default/lib/systemd/system/nix-daemon.{service,socket} /etc/systemd/system/ ; sudo restorecon -RF /nix ; sudo systemctl daemon-reload ; sudo systemctl enable --now nix-daemon.socket
+
+sleep 1
+
+echo "Now setting SELinux back to Enforcing"
+
+sudo setenforce Enforcing
+
+sleep 1
+
+echo "Reboot your system by typing"
+echo "systemctl reboot"