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add /nix mount service

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Anders Rytter Hansen 2023-12-16 20:37:26 +01:00
commit 892ac475cc
2 changed files with 23 additions and 0 deletions
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@ -48,6 +48,9 @@ COPY etc /etc
# Copy /usr # Copy /usr
COPY usr /usr COPY usr /usr
# Enable /nix mount service
RUN systemctl enable mount-nix-prepare.service
# Clear cache, /var and /tmp and commit ostree # Clear cache, /var and /tmp and commit ostree
RUN rm -rf /tmp/* /var/* && mkdir -p /var/tmp && chmod -R 1777 /var/tmp && \ RUN rm -rf /tmp/* /var/* && mkdir -p /var/tmp && chmod -R 1777 /var/tmp && \
ostree container commit ostree container commit

20
etc/systemd/system/mount-nix-prepare.service Normal file
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@ -0,0 +1,20 @@
[Unit]
Description=Prepare nix mount points
[Service]
Type=oneshot
ExecStartPre=chattr -i /
ExecStart=/bin/sh -c "mkdir -p /nix"
ExecStart=/bin/sh -c "mkdir -p /var/lib/nix"
ExecStart=/bin/sh -c "mount --bind /var/lib/nix /nix"
# We need to restart systemd and load the nix-daemon again
# as the nix-daemon files are actually inside the /nix folder
# which hasn't been mounted until now
ExecStart=/bin/sh -c "systemctl daemon-reload"
# This will fail the first time as we haven't installed nix yet
ExecStart=-/bin/sh -c "systemctl start nix-daemon.socket"
ExecStopPost=chattr +i /
[Install]
WantedBy=local-fs.target