feat: Implement `starship configure` command (#751)

1 files changed, 37 insertions, 0 deletions

diff --git a/src/configure.rs b/src/configure.rs
new file mode 100644
index 000000000..f4fb5bf1d
--- /dev/null
+++ b/src/configure.rs
@@ -0,0 +1,37 @@
+use std::env;
+use std::process::Command;
+
+const UNKNOWN_CONFIG: &str = "<unknown config>";
+const STD_EDITOR: &str = "vi";
+
+pub fn edit_configuration() {
+    let editor = get_editor();
+    let config_path = get_config_path();
+
+    Command::new(editor)
+        .arg(config_path)
+        .status()
+        .expect("failed to open file");
+}
+
+fn get_editor() -> String {
+    match env::var("EDITOR") {
+        Ok(val) => val,
+        Err(_) => STD_EDITOR.to_string(),
+    }
+}
+
+fn get_config_path() -> String {
+    let home_dir = dirs::home_dir();
+
+    if home_dir.is_none() {
+        return UNKNOWN_CONFIG.to_string();
+    }
+
+    let path = home_dir.unwrap().join(".config/starship.toml");
+
+    match path.to_str() {
+        Some(p) => String::from(p),
+        None => UNKNOWN_CONFIG.to_string(),
+    }
+}