26 lines
833 B
Rust
26 lines
833 B
Rust
|
use anyhow::Result;
|
||
|
|
use which::which;
|
||
|
|
|
||
|
|
pub struct Prereq {
|
||
|
|
pub cmd: &'static str,
|
||
|
|
pub install_hint: &'static str,
|
||
|
|
}
|
||
|
|
|
||
|
|
const PREREQS: &[Prereq] = &[
|
||
|
|
Prereq { cmd: "nu", install_hint: "brew install nushell OR nix-env -iA nixpkgs.nushell" },
|
||
|
|
Prereq { cmd: "sops", install_hint: "brew install sops OR nix-env -iA nixpkgs.sops" },
|
||
|
|
Prereq { cmd: "age", install_hint: "brew install age OR nix-env -iA nixpkgs.age" },
|
||
|
|
];
|
||
|
|
|
||
|
|
pub fn check_prerequisites() -> Result<()> {
|
||
|
|
let missing: Vec<&Prereq> = PREREQS.iter().filter(|p| which(p.cmd).is_err()).collect();
|
||
|
|
if missing.is_empty() {
|
||
|
|
return Ok(());
|
||
|
|
}
|
||
|
|
eprintln!("Missing required tools:\n");
|
||
|
|
for p in &missing {
|
||
|
|
eprintln!(" {} — {}", p.cmd, p.install_hint);
|
||
|
|
}
|
||
|
|
anyhow::bail!("{} prerequisite(s) missing", missing.len())
|
||
|
|
}
|