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nixos/systemd/coredump: fix kernel.core_pattern truncation

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Fixes #213408
This commit is contained in:
Majiir Paktu 2023-01-29 15:48:47 -05:00
parent 8a828fcb38
commit 7f35c8b2ac
1 changed files with 15 additions and 1 deletions
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16
nixos/modules/system/boot/systemd/coredump.nix
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@ -44,7 +44,21 @@ in {
'';
# install provided sysctl snippets
"sysctl.d/50-coredump.conf".source = "${systemd}/example/sysctl.d/50-coredump.conf";
"sysctl.d/50-coredump.conf".source =
# Fix systemd-coredump error caused by truncation of `kernel.core_pattern`
# when the `systemd` derivation name is too long. This works by substituting
# the path to `systemd` with a symlink that has a constant-length path.
#
# See: https://github.com/NixOS/nixpkgs/issues/213408
pkgs.substitute {
src = "${systemd}/example/sysctl.d/50-coredump.conf";
replacements = [
"--replace"
"${systemd}"
"${pkgs.symlinkJoin { name = "systemd"; paths = [ systemd ]; }}"
];
};
"sysctl.d/50-default.conf".source = "${systemd}/example/sysctl.d/50-default.conf";
};