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nix-darwin/modules/system/base.nix
Aiden Scandella 25e0b6064e
system: fix detection and ownership of /etc/synthetic.conf
This file is owned by root and mode 600 on my system, so the grep is
failing and it's adding a new entry every run.

```sh
-rw-------  1 root  wheel  664 Nov 25 15:52 /etc/synthetic.conf
```
2024-11-25 21:40:13 -08:00

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{ ... }:
{
system.activationScripts.createRun.text = ''
IFS="." read -r -a macOSVersion <<< "$(sw_vers -productVersion)"
if [[ ''${macOSVersion[0]} -gt 10 || ( ''${macOSVersion[0]} -eq 10 && ''${macOSVersion[1]} -ge 15 ) ]]; then
if [[ $(stat -c '%a' /etc/synthetic.conf) != "644" ]]; then
echo "fixing permissions on /etc/synthetic.conf..."
sudo chmod 644 /etc/synthetic.conf
fi
if [[ $(grep -c '^run\b' /etc/synthetic.conf) -gt 1 ]]; then
echo "found duplicate run entries in /etc/synthetic.conf, removing..."
sudo sed -i "" -e '/^run\tprivate\/var\/run$/d' /etc/synthetic.conf
fi
if ! grep -q '^run\b' /etc/synthetic.conf 2>/dev/null; then
echo "setting up /run via /etc/synthetic.conf..."
printf 'run\tprivate/var/run\n' | sudo tee -a /etc/synthetic.conf >/dev/null
fi
if [[ ''${macOSVersion[0]} -gt 10 ]]; then
sudo /System/Library/Filesystems/apfs.fs/Contents/Resources/apfs.util -t || true
else
sudo /System/Library/Filesystems/apfs.fs/Contents/Resources/apfs.util -B || true
fi
if [[ ! -L /run ]]; then
printf >&2 'error: apfs.util failed to symlink /run, aborting activation\n'
printf >&2 'To create a symlink from /run to /var/run, please run:\n'
printf >&2 '\n'
printf >&2 "$ printf 'run\tprivate/var/run\n' | sudo tee -a /etc/synthetic.conf"
if [[ ''${macOSVersion[0]} -gt 10 ]]; then
printf >&2 '$ sudo /System/Library/Filesystems/apfs.fs/Contents/Resources/apfs.util -t\n'
else
printf >&2 '$ sudo /System/Library/Filesystems/apfs.fs/Contents/Resources/apfs.util -B\n'
fi
printf >&2 '\n'
printf >&2 'The current contents of /etc/synthetic.conf is:\n'
printf >&2 '\n'
sudo sed 's/^/ /' /etc/synthetic.conf >&2
printf >&2 '\n'
exit 1
fi
else
echo "setting up /run..."
sudo ln -sfn private/var/run /run
if [[ ! -L /run ]]; then
printf >&2 'error: failed to symlink /run, aborting activation\n'
printf >&2 'To create a symlink from /run to /var/run, please run:\n'
printf >&2 '\n'
printf >&2 '$ sudo ln -sfn private/var/link /run\n'
exit 1
fi
fi
'';
}