dotfiles/system/common/ccache.nix

39 lines
1.3 KiB
Nix

{ config, lib, ... }:
{
nix.settings.extra-sandbox-paths = lib.mkIf config.programs.ccache.enable [
config.programs.ccache.cacheDir
"/var/cache/sccache"
];
environment.persistence."/persist".directories = lib.mkIf config.programs.ccache.enable [
config.programs.ccache.cacheDir
"/var/cache/sccache"
];
nixpkgs.overlays = lib.mkIf (config.programs.ccache.enable && config.programs.ccache.packageNames == []) [
(self: super: {
ccacheWrapper = super.ccacheWrapper.override {
extraConfig = ''
export CCACHE_COMPRESS=1
export CCACHE_DIR="${config.programs.ccache.cacheDir}"
export CCACHE_UMASK=007
if [ ! -d "$CCACHE_DIR" ]; then
echo "====="
echo "Directory '$CCACHE_DIR' does not exist"
echo "Please create it with:"
echo " sudo mkdir -m0770 '$CCACHE_DIR'"
echo " sudo chown root:nixbld '$CCACHE_DIR'"
echo "====="
exit 1
fi
if [ ! -w "$CCACHE_DIR" ]; then
echo "====="
echo "Directory '$CCACHE_DIR' is not accessible for user $(whoami)"
echo "Please verify its access permissions"
echo "====="
exit 1
fi
'';
};
})
];
}