fix fmt drift and add cargo-husky pre-push hook

`cargo fmt --all` clears the diff that turned CI red on the 0.0.2 release
push. The pre-push hook auto-installs on the next `cargo test` and runs
`cargo fmt --all --check`, blocking the same drift from reaching CI again.

Author: culmat

.cargo-husky/hooks/pre-push

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+if ! cargo fmt --all --check; then
+  echo
+  echo "pre-push: cargo fmt --all --check failed — run 'cargo fmt --all' and commit." >&2
+  exit 1
+fi

Cargo.lock

@@ -208,17 +208,11 @@ pub enum AliasCmd {
     /// List stored aliases.
     List,
     /// Run a stored alias by name.
-    Run {
-        name: String,
-    },
+    Run { name: String },
     /// Bulk-load aliases from a YAML file.
-    Import {
-        file: String,
-    },
+    Import { file: String },
     /// Bulk-save aliases to a YAML file.
-    Export {
-        file: String,
-    },
+    Export { file: String },
 }
 
 pub async fn run(cli: Cli) -> Result<()> {
@@ -263,8 +257,7 @@ pub async fn run(cli: Cli) -> Result<()> {
         },
         Cmd::Logic { sub } => match sub {
             LogicCmd::Import { file, targets } => {
-                const DEFAULT_LOGIC: &str =
-                    include_str!("../../../default-logic/default.rhai");
+                const DEFAULT_LOGIC: &str = include_str!("../../../default-logic/default.rhai");
                 let rhai = match file {
                     Some(path) => {
                         fs::read_to_string(&path).with_context(|| format!("read {path}"))?

crates/catc/src/cli.rs

@@ -14,3 +14,8 @@ thiserror = { workspace = true }
 chrono = { workspace = true }
 cron = { workspace = true }
 humantime = { workspace = true }
+
+# Installs shared git hooks from `.cargo-husky/hooks/` into `.git/hooks/`
+# the first time any workspace test build runs. See `.cargo-husky/`.
+[dev-dependencies]
+cargo-husky = { version = "1", default-features = false, features = ["user-hooks"] }

crates/catcast-core/Cargo.toml

@@ -419,7 +419,10 @@ mod tests {
     #[test]
     #[cfg(target_os = "macos")]
     fn macos_xml_escape_handles_special_chars() {
-        assert_eq!(xml_escape("a&b<c>d\"e'f"), "a&amp;b&lt;c&gt;d&quot;e&apos;f");
+        assert_eq!(
+            xml_escape("a&b<c>d\"e'f"),
+            "a&amp;b&lt;c&gt;d&quot;e&apos;f"
+        );
         assert_eq!(xml_escape("plain"), "plain");
     }
 }