Use xtask for theme generation

.cargo/config.toml

@@ -0,0 +1,2 @@
+[alias]
+xtask = "run --package xtask --"

Cargo.toml

@@ -66,6 +66,7 @@ members = [
     "crates/vim",
     "crates/workspace",
     "crates/welcome",
+    "crates/xtask",
     "crates/zed",
 ]
 default-members = ["crates/zed"]

crates/theme/src/theme.rs

@@ -1082,17 +1082,3 @@ pub struct Style {
     pub border: Color,
     pub foreground: Color,
 }
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use schemars::schema_for;
-
-    #[test]
-    fn export_schema() {
-        let theme = schema_for!(Theme);
-        let output = serde_json::to_string_pretty(&theme).unwrap();
-        std::fs::create_dir("schemas").ok();
-        std::fs::write("schemas/theme.json", output).ok();
-    }
-}

crates/xtask/Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "xtask"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap = "4.0"
+theme = {path = "../theme"}
+serde_json.workspace = true
+schemars.workspace = true

crates/xtask/src/main.rs

@@ -0,0 +1,11 @@
+mod cli;
+
+use schemars::schema_for;
+
+use theme::Theme;
+fn main() {
+    let theme = schema_for!(Theme);
+    let output = serde_json::to_string_pretty(&theme).unwrap();
+    std::fs::create_dir("schemas").ok();
+    std::fs::write("schemas/theme.json", output).ok();
+}