Mountain/ProcessManagement/NodeResolver/TryAsdf.rs
1#![allow(non_snake_case)]
2
3//! asdf shim lookup. The shim resolves the active `.tool-versions` entry on
4//! every call.
5
6use std::path::PathBuf;
7
8use crate::ProcessManagement::NodeResolver::{NodeExecutableName, NodeSource, ResolvedNode};
9
10pub fn Fn() -> Option<ResolvedNode::Struct> {
11 let AsdfDataDir = std::env::var("ASDF_DATA_DIR").ok().or_else(|| {
12 std::env::var("HOME")
13 .ok()
14 .map(|H| PathBuf::from(H).join(".asdf").to_string_lossy().into_owned())
15 })?;
16
17 let ShimCandidate = PathBuf::from(&AsdfDataDir).join("shims").join(NodeExecutableName::Fn());
18 if ShimCandidate.exists() {
19 return Some(ResolvedNode::Struct { Path:ShimCandidate, Source:NodeSource::Enum::Asdf });
20 }
21 None
22}