Fix nix profile upgrade command & add profile path detection (#56)

* Fixes antigen update (#39)

* Adds manifest.json check to nix

* #34 Fix `nix profile upgrade` command & add profile path detection (#4)

Authored-by: Manu [tennox] <2084639+tennox@users.noreply.github.com>

src/steps/os/unix.rs

@@ -277,6 +277,12 @@ pub fn run_nix(ctx: &ExecutionContext) -> Result<()> {
     let nix = require("nix")?;
     let nix_channel = require("nix-channel")?;
     let nix_env = require("nix-env")?;
+    let profile_path = match env::home_dir() {
+        Some(home) => Path::new(&home).join(".nix-profile"),
+        None => Path::new("/nix/var/nix/profiles/per-user/default").into(),
+    };
+    debug!("nix profile: {:?}", profile_path);
+    let manifest_json_path = profile_path.join("manifest.json");
 
     let output = Command::new(&nix_env).args(&["--query", "nix"]).check_output();
     debug!("nix-env output: {:?}", output);
@@ -317,7 +323,17 @@ pub fn run_nix(ctx: &ExecutionContext) -> Result<()> {
     }
 
     run_type.execute(&nix_channel).arg("--update").check_run()?;
-    run_type.execute(&nix_env).arg("--upgrade").check_run()
+
+    if std::path::Path::new(&manifest_json_path).exists() {
+        run_type
+            .execute(&nix)
+            .arg("profile")
+            .arg("upgrade")
+            .arg(".*")
+            .check_run()
+    } else {
+        run_type.execute(&nix_env).arg("--upgrade").check_run()
+    }
 }
 
 pub fn run_yadm(ctx: &ExecutionContext) -> Result<()> {

src/steps/zsh.rs

@@ -47,7 +47,7 @@ pub fn run_antigen(base_dirs: &BaseDirs, run_type: RunType) -> Result<()> {
 
     print_separator("antigen");
 
-    let cmd = format!("source {} && antigen selfupdate && antigen update", zshrc.display());
+    let cmd = format!("source {} && (antigen selfupdate ; antigen update)", zshrc.display());
     run_type.execute(zsh).args(&["-l", "-c", cmd.as_str()]).check_run()
 }