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|
# open-bamboo-networking (Nix/home-manager)
Nix packaging of [open-bamboo-networking](https://github.com/ClusterM/open-bamboo-networking),
an open-source drop-in replacement for the proprietary `bambu_networking`
plugin.
The proprietary plugin (which OrcaSlicer will try to download) is not
compatible with NixOS unless you go through the effort of (at the very least)
relinking the shared objects (`libBambuSource.so` +
`libbambu_networking_xx.xx.xx.xx.so`) downloaded to the plugins directory
(`~/.config/OrcaSlicer/plugins`). The open plugin, on the other hand, can be
easily built with Nix and the binaries can be dropped into the plugins
directory to replace the proprietary ones.
The flake includes also a home-manager module which installs the plugin for
OrcaSlicer decoratively. One caveat is that `OrcaSlicer.conf` will need to be
patched in order for it to recognize the plugin when it is (as in this case)
installed manually (see instructions below). Correctly done, the user will not
be notified of a missing plugin on launch.
## Usage
```nix
{
inputs.open-bamboo-networking.url = "github:you/open-bamboo-networking";
# in your home-manager config:
imports = [ inputs.open-bamboo-networking.homeManagerModules.default ];
programs.openBambooNetworking = {
enable = true;
orcaSlicer = {
enable = true; # default
};
};
}
```
### Options
| option | default | description |
|---|---|---|
| `programs.openBambooNetworking.enable` | `false` | enable the module |
| `programs.openBambooNetworking.orcaSlicer.enable` | `true` | build and link the plugin for OrcaSlicer / a compatible fork |
| `programs.openBambooNetworking.orcaSlicer.obnVersion` | `"02.03.00.99"` | ABI version baked into the built filename |
| `programs.openBambooNetworking.orcaSlicer.configDir` | `${config.xdg.configHome}/OrcaSlicer` | where `OrcaSlicer.conf` and `plugins/` live - override for forks, nightlies, or Flatpak installs |
`orcaSlicer.enable` only links the shared objects declaratively into
`<configDir>/plugins` - it does **not** touch `OrcaSlicer.conf`. That file
is mutable app state the slicer reads and rewrites on its own, so patching
it is left as a manual step (below) rather than something
`home-manager switch` does for you.
## Patching OrcaSlicer.conf
After `home-manager switch`, and after launching the slicer at least once
so `<configDir>/OrcaSlicer.conf` exists, run:
```bash
# Ensure correct $ver
cat <<< $(jq --arg ver "02.03.00.99" '
.app.installed_networking = "true"
| .app.network_plugin_version = $ver
| .app.network_plugin_remind_later = "true"
' ~/.config/OrcaSlicer/OrcaSlicer.conf) > ~/.config/OrcaSlicer/OrcaSlicer.conf
```
Use the same `$ver` as `orcaSlicer.obnVersion`. Restart the slicer. Re-run
this whenever you change `obnVersion`, or if the app ever resets
`network_plugin_version` on its own.
### Automating it with home.activationScripts
If you'd rather this happen automatically on every `home-manager switch`
instead of by hand, add this alongside the module import. It reads
`obnVersion`/`configDir` straight from `programs.openBambooNetworking.orcaSlicer`,
so it can't drift out of sync with what the module actually built and
linked:
```nix
{ config, lib, pkgs, ... }:
let
cfg = config.programs.openBambooNetworking.orcaSlicer;
in
{
home.activationScripts.openBambooNetworkingOrcaConf = ''
CONF="${cfg.configDir}/OrcaSlicer.conf"
if [ ! -e "$CONF" ]; then
echo "open-bamboo-networking: $CONF doesn't exist yet, skipping" \
"(launch OrcaSlicer once first)"
else
NEEDS_PATCH=$(${pkgs.jq}/bin/jq -r --arg ver "${cfg.obnVersion}" '
(.app.installed_networking != "true")
or (.app.network_plugin_version != $ver)
' "$CONF")
if [ "$NEEDS_PATCH" = "true" ]; then
if [ -n "''${DRY_RUN_CMD:-}" ]; then
echo "open-bamboo-networking: would patch $CONF (dry run)"
else
cp -f "$CONF" "$CONF.bak"
TMP=$(mktemp)
${pkgs.jq}/bin/jq --arg ver "${cfg.obnVersion}" '
.app.installed_networking = "true"
| .app.network_plugin_version = $ver
| .app.network_plugin_remind_later = "true"
' "$CONF" > "$TMP"
cat "$TMP" > "$CONF"
rm -f "$TMP"
echo "open-bamboo-networking: patched $CONF (backup: $CONF.bak)"
fi
fi
fi
'';
}
```
## AI disclosure
The Nix packaging in this repo was written with substantial AI assistance. It
hasn't been reviewed by anyone but the repo maintainer's own testing - treat it
accordingly and read through `package.nix`/`hm-module.nix` yourself before
trusting it with your setup.
|
