nixpkgs/pkgs/tools/audio/yabridgectl/chainloader-from-nix-profiles.patch
2023-03-10 15:18:06 -05:00

73 lines
3.7 KiB
Diff

diff --git a/tools/yabridgectl/src/config.rs b/tools/yabridgectl/src/config.rs
index 53200bd5..ef8a781d 100644
--- a/tools/yabridgectl/src/config.rs
+++ b/tools/yabridgectl/src/config.rs
@@ -22,6 +22,7 @@ use serde_derive::{Deserialize, Serialize};
use std::collections::{BTreeMap, BTreeSet, HashSet};
use std::env;
use std::fs;
+use std::iter;
use std::path::{Path, PathBuf};
use which::which;
use xdg::BaseDirectories;
@@ -225,34 +226,27 @@ impl Config {
}
}
None => {
- // Search in the system library locations and in `~/.local/share/yabridge` if no
- // path was set explicitely. We'll also search through `/usr/local/lib` just in case
- // but since we advocate against installing yabridge there we won't list this path
- // in the error message when `libyabridge-chainloader-vst2.so` can't be found.
- let system_path = Path::new("/usr/lib");
+ // Search through NIX_PROFILES & data home directory if no path was set explicitly.
+ // NIX_PROFILES is iterated in reverse from the most specific (the user profile) to
+ // the least specific (the system profile).
+ let nix_profiles = env::var("NIX_PROFILES");
let user_path = xdg_dirs.get_data_home();
- let lib_directories = [
- system_path,
- // Used on Debian based distros
- Path::new("/usr/lib/x86_64-linux-gnu"),
- // Used on Fedora
- Path::new("/usr/lib64"),
- Path::new("/usr/local/lib"),
- Path::new("/usr/local/lib/x86_64-linux-gnu"),
- Path::new("/usr/local/lib64"),
- &user_path,
- ];
+ let lib_directories = nix_profiles.iter()
+ .flat_map(|profiles| profiles.split(' ')
+ .rev()
+ .map(|profile| Path::new(profile).join("lib")))
+ .chain(iter::once(user_path.clone()));
+
let mut candidates = lib_directories
- .iter()
.map(|directory| directory.join(VST2_CHAINLOADER_NAME));
+
match candidates.find(|directory| directory.exists()) {
Some(candidate) => candidate,
_ => {
return Err(anyhow!(
- "Could not find '{}' in either '{}' or '{}'. You can override the \
+ "Could not find '{}' through 'NIX_PROFILES' or '{}'. You can override the \
default search path using 'yabridgectl set --path=<path>'.",
VST2_CHAINLOADER_NAME,
- system_path.display(),
user_path.display()
));
}
diff --git a/tools/yabridgectl/src/main.rs b/tools/yabridgectl/src/main.rs
index 8dcd7dc8..bddca534 100644
--- a/tools/yabridgectl/src/main.rs
+++ b/tools/yabridgectl/src/main.rs
@@ -135,7 +135,7 @@ fn main() -> Result<()> {
.long_help(
"Path to the directory containing \
'libyabridge-chainloader-{clap,vst2,vst3}.so'. If this is not set, \
- then yabridgectl will look in both '/usr/lib' and \
+ then yabridgectl will look through 'NIX_PROFILES' and \
'~/.local/share/yabridge' by default.",
)
.validator(validate_path)