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cleanup installable #445

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190d690
installable: clean up augment_args
Oct 15, 2025
afc422b
installable: make installable attribute be a String
Oct 15, 2025
8b7b0d6
Merge branch 'master' into faukah/cleanup-installable
NotAShelf Nov 15, 2025
2127f53
Merge branch 'master' into faukah/cleanup-installable
NotAShelf Nov 17, 2025
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4 changes: 2 additions & 2 deletions src/commands.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1124,7 +1124,7 @@ mod tests {
fn test_build_new() {
let installable = Installable::Flake {
reference: "github:user/repo".to_string(),
attribute: vec!["package".to_string()],
attribute: "package".to_string(),
};

let build = Build::new(installable.clone());
Expand All @@ -1140,7 +1140,7 @@ mod tests {
fn test_build_builder_pattern() {
let installable = Installable::Flake {
reference: "github:user/repo".to_string(),
attribute: vec!["package".to_string()],
attribute: "package".to_string(),
};

let build = Build::new(installable)
Expand Down
16 changes: 4 additions & 12 deletions src/darwin.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -86,10 +86,7 @@ impl DarwinRebuildArgs {
Some(r) => r.to_owned(),
None => return Err(eyre!("NH_DARWIN_FLAKE missing reference part")),
};
let attribute = elems
.next()
.map(crate::installable::parse_attribute)
.unwrap_or_default();
let attribute = elems.next().unwrap_or_default().to_string();

Installable::Flake {
reference,
Expand All @@ -107,8 +104,7 @@ impl DarwinRebuildArgs {
// If user explicitly selects some other attribute, don't push
// darwinConfigurations
if attribute.is_empty() {
attribute.push(String::from("darwinConfigurations"));
attribute.push(hostname.clone());
*attribute = format!("darwinConfigurations.{hostname}");
}
Comment on lines 105 to 109
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@coderabbitai coderabbitai bot Oct 15, 2025

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⚠️ Potential issue | 🔴 Critical

Quote hostname when building the attrpath.

format!("darwinConfigurations.{hostname}") breaks as soon as the hostname contains dots or other characters that need quoting (e.g. the default macOS *.local). We previously relied on join_attribute to emit darwinConfigurations."myhost.local". Without that quoting, Nix resolves the wrong attribute and the rebuild fails.

Please reintroduce the quoting helper (or escape the hostname) so that we emit a valid attrpath for all hostnames.

🤖 Prompt for AI Agents 
In src/darwin.rs around lines 104 to 108, the code builds an attrpath with
format!("darwinConfigurations.{hostname}") which fails for hostnames containing
dots or special chars; instead use the existing attrpath-quoting helper (or
escape/quote the hostname) so the attribute path becomes
darwinConfigurations."hostname" (or equivalent escaped form). Replace the
format! call with a call to the helper that joins/quotes attributes (e.g.
join_attribute("darwinConfigurations", hostname) or
format!("darwinConfigurations.{}", quote_attr(hostname))) so the hostname is
properly quoted/escaped in all cases.

}

Expand Down Expand Up @@ -205,10 +201,7 @@ impl DarwinReplArgs {
Some(r) => r.to_owned(),
None => return Err(eyre!("NH_DARWIN_FLAKE missing reference part")),
};
let attribute = elems
.next()
.map(crate::installable::parse_attribute)
.unwrap_or_default();
let attribute = elems.next().unwrap_or_default().to_string();

Installable::Flake {
reference,
Expand All @@ -229,8 +222,7 @@ impl DarwinReplArgs {
} = target_installable
{
if attribute.is_empty() {
attribute.push(String::from("darwinConfigurations"));
attribute.push(hostname);
*attribute = format!("darwinConfigurations.{hostname}");
}
Comment on lines 223 to 227
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⚠️ Potential issue | 🔴 Critical

Same quoting issue leaks into REPL.

The REPL path has the same format!("darwinConfigurations.{hostname}") problem and will fail for hostnames that include dots/hyphens. Fix alongside the rebuild path.

🤖 Prompt for AI Agents 
In src/darwin.rs around lines 222 to 226, the REPL path uses
format!("darwinConfigurations.{hostname}") which relies on named-format parsing
and can mis-handle hostnames with dots/hyphens; replace this with positional
formatting for the hostname (e.g. format!("darwinConfigurations.{}", hostname))
and apply the same change to the rebuild path occurrence so hostnames are
inserted as literal strings rather than parsed format keys.

}

Expand Down
20 changes: 7 additions & 13 deletions src/home.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -69,10 +69,7 @@ impl HomeRebuildArgs {
Some(r) => r.to_owned(),
None => return Err(eyre!("NH_HOME_FLAKE missing reference part")),
};
let attribute = elems
.next()
.map(crate::installable::parse_attribute)
.unwrap_or_default();
let attribute = elems.next().unwrap_or_default().to_string();

Installable::Flake {
reference,
Expand Down Expand Up @@ -223,7 +220,7 @@ where
return Ok(res);
}

attribute.push(String::from("homeConfigurations"));
*attribute = String::from("homeConfigurations");

Comment on lines +224 to 225
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⚠️ Potential issue | 🔴 Critical

Fix attrpath construction (compile errors + incorrect paths).

  • String::extend with iterator won’t compile for String.
  • Missing “.” separators create invalid paths.
  • Segments like username@host must be quoted.

Apply targeted changes:

@@
-      *attribute = String::from("homeConfigurations");
+      *attribute = String::from("homeConfigurations");
@@
-          attribute.push_str(&config_name);
-          if push_drv {
-            attribute.extend(toplevel.clone());
-          }
+          attribute = format!("{attribute}.{}", quote_attr_segment(&config_name));
+          if push_drv {
+            attribute.push_str(".config.home.activationPackage");
+          }
@@
-          let tried_attr_path = {
-            let mut attr_path = attribute.clone();
-            attr_path.push_str(&config_name);
-            Installable::Flake {
-              reference: flake_reference,
-              attribute: attr_path,
-            }
-            .to_args()
-            .join(" ")
-          };
+          let tried_attr_path = {
+            let attr_path = format!("{attribute}.{}", quote_attr_segment(&config_name));
+            Installable::Flake {
+              reference: flake_reference,
+              attribute: attr_path,
+            }
+            .to_args()
+            .join(" ")
+          };
@@
-          let current_try_attr = {
-            let mut attr_path = attribute.clone();
-            attr_path.push_str(&attr_name);
-            attr_path
-          };
+          let current_try_attr =
+            format!("{attribute}.{}", quote_attr_segment(&attr_name));
@@
-            attribute.push_str(&attr_name);
-            if push_drv {
-              attribute.extend(toplevel.clone());
-            }
+            attribute = format!("{attribute}.{}", quote_attr_segment(&attr_name));
+            if push_drv {
+              attribute.push_str(".config.home.activationPackage");
+            }
@@
-    Installable::File {
-      ref mut attribute, ..
-    } => {
-      if push_drv {
-        attribute.extend(toplevel);
-      }
-    },
+    Installable::File { ref mut attribute, .. } => {
+      if push_drv {
+        attribute.push_str(".config.home.activationPackage");
+      }
+    },
@@
-    Installable::Expression {
-      ref mut attribute, ..
-    } => {
-      if push_drv {
-        attribute.extend(toplevel);
-      }
-    },
+    Installable::Expression { ref mut attribute, .. } => {
+      if push_drv {
+        attribute.push_str(".config.home.activationPackage");
+      }
+    },

Add once in this module:

fn quote_attr_segment(s: &str) -> String {
  let needs_quotes = s.is_empty()
    || s.chars().any(|c| !(c.is_ascii_alphanumeric() || c == '_' || c == '-' || c == '\'')); // dot not allowed in bare names
  if needs_quotes {
    let escaped = s.replace('"', "\\\"");
    format!(r#""{}""#, escaped)
  } else {
    s.to_string()
  }
}

Optional cleanup (outside ranges): drop the now-unused toplevel iterator defined at lines 204-207.

Also applies to: 254-257, 263-271, 309-311, 318-321, 351-361

🤖 Prompt for AI Agents 
In src/home.rs around lines 223-224 (and similarly at 254-257, 263-271, 309-311,
318-321, 351-361), the attrpath construction is broken: String::extend with an
iterator won't compile, segments aren't joined with "." which yields invalid
paths, and segments containing characters like '@' or '.' (e.g., username@host)
must be quoted. Add the provided quote_attr_segment function once in this
module, replace the current String::extend/concatenation with building the path
by mapping each segment through quote_attr_segment and joining with "." (or
using push_str/format! per segment to form "seg1.seg2"), and ensure segments
that require quoting are wrapped accordingly; optionally remove the now-unused
toplevel iterator at lines 204-207.

let flake_reference = reference.clone();
let mut found_config = false;
Expand Down Expand Up @@ -254,7 +251,7 @@ where
if check_res.map(|s| s.trim().to_owned()).as_deref() == Some("true") {
debug!("Using explicit configuration from flag: {config_name:?}");

attribute.push(config_name);
attribute.push_str(&config_name);
if push_drv {
attribute.extend(toplevel.clone());
}
Expand All @@ -264,7 +261,7 @@ where
// Explicit config provided but not found
let tried_attr_path = {
let mut attr_path = attribute.clone();
attr_path.push(config_name);
attr_path.push_str(&config_name);
Installable::Flake {
reference: flake_reference,
attribute: attr_path,
Expand Down Expand Up @@ -309,7 +306,7 @@ where

let current_try_attr = {
let mut attr_path = attribute.clone();
attr_path.push(attr_name.clone());
attr_path.push_str(&attr_name);
attr_path
};
tried.push(current_try_attr.clone());
Expand All @@ -318,7 +315,7 @@ where
check_res.map(|s| s.trim().to_owned()).as_deref()
{
debug!("Using automatically detected configuration: {}", attr_name);
attribute.push(attr_name);
attribute.push_str(&attr_name);
if push_drv {
attribute.extend(toplevel.clone());
}
Expand Down Expand Up @@ -379,10 +376,7 @@ impl HomeReplArgs {
Some(r) => r.to_owned(),
None => return Err(eyre!("NH_HOME_FLAKE missing reference part")),
};
let attribute = elems
.next()
.map(crate::installable::parse_attribute)
.unwrap_or_default();
let attribute = elems.next().unwrap_or_default().to_string();

Installable::Flake {
reference,
Expand Down
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