54 lines
1.6 KiB
Nix
54 lines
1.6 KiB
Nix
with builtins;
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with import (toString ../functions);
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{pkgs, config, lib, ...}: {
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options = with lib; with types; {
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cascade.source.enable = mkOption {
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default = true;
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type = bool;
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description = ''
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Include cascade source code configured for nixos-rebuild.
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'';
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};
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cascade.source.git-url = mkOption {
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default = "https://gitlab.com/jamesandariese/cascade";
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type = str;
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description = ''
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git URL where cascade sources can be found
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'';
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};
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cascade.source.set-nix-path = mkOption {
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default = true;
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type = bool;
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description = ''
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set cascade=/usr/src/cascade in NIX_PATH if cascade.source.enable is also true.
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if this option or cascade.source.enable are false, this will not be done.
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'';
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};
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};
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config = with lib; {
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system.activationScripts.cascade-source = mkMerge [
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(mkIf config.cascade.source.enable ''
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if [ ! -f /usr/src/cascade/.created-by-nixos ];then
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mkdir -m 0755 -p /usr/src /etc/nixos
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[ -e /usr/src/cascade ] && mv /usr/src/cascade /usr/src/cascade.before-nixos
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${pkgs.git}/bin/git clone ${config.cascade.source.git-url} /usr/src/cascade
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touch /usr/src/cascade/.created-by-nixos
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fi
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'')
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(mkIf (!config.cascade.source.enable) ''
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# only cleanup if we actually created /usr/src/cascade
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if [ -f /usr/src/cascade/.created-by-nixos ];then
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rm -rf /usr/src/cascade && \
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[ -e /usr/src/cascade.before-nixos ] && mv /usr/src/cascade.before-nixos /usr/src/cascade
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fi
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'')
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];
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nix.nixPath = mkIf (config.cascade.source.set-nix-path && config.cascade.source.enable) [ "cascade=/usr/src/cascade" ];
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};
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}
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