From e181ae9b0d4814a7c005c94837426126dde63c6c Mon Sep 17 00:00:00 2001
From: sigoden <sigoden@gmail.com>
Date: Tue, 10 Sep 2024 18:35:34 +0800
Subject: refactor: extract built-in roles to embedded files (#853)

---
 src/utils/command.rs   | 15 ---------------
 src/utils/mod.rs       |  2 ++
 src/utils/variables.rs | 33 +++++++++++++++++++++++++++++++++
 3 files changed, 35 insertions(+), 15 deletions(-)
 create mode 100644 src/utils/variables.rs

(limited to 'src/utils')

diff --git a/src/utils/command.rs b/src/utils/command.rs
index caf70c7..8afef14 100644
--- a/src/utils/command.rs
+++ b/src/utils/command.rs
@@ -5,24 +5,9 @@ use std::{collections::HashMap, env, ffi::OsStr, path::Path, process::Command};
 use anyhow::{anyhow, bail, Context, Result};
 
 lazy_static::lazy_static! {
-    pub static ref OS: String = detect_os();
     pub static ref SHELL: Shell = detect_shell();
 }
 
-pub fn detect_os() -> String {
-    let os = env::consts::OS;
-    if os == "linux" {
-        if let Ok(contents) = std::fs::read_to_string("/etc/os-release") {
-            for line in contents.lines() {
-                if let Some(id) = line.strip_prefix("ID=") {
-                    return format!("{os} ({id})");
-                }
-            }
-        }
-    }
-    os.to_string()
-}
-
 pub struct Shell {
     pub name: String,
     pub cmd: String,
diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index 1090c4e..e937e6b 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -8,6 +8,7 @@ mod prompt_input;
 mod render_prompt;
 mod request;
 mod spinner;
+mod variables;
 
 pub use self::abort_signal::*;
 pub use self::clipboard::set_text;
@@ -19,6 +20,7 @@ pub use self::prompt_input::*;
 pub use self::render_prompt::render_prompt;
 pub use self::request::*;
 pub use self::spinner::*;
+pub use self::variables::*;
 
 use anyhow::{Context, Result};
 use fancy_regex::Regex;
diff --git a/src/utils/variables.rs b/src/utils/variables.rs
new file mode 100644
index 0000000..91c9912
--- /dev/null
+++ b/src/utils/variables.rs
@@ -0,0 +1,33 @@
+use super::*;
+use fancy_regex::{Captures, Regex};
+
+lazy_static::lazy_static! {
+    pub static ref RE_VARIABLE: Regex = Regex::new(r"\{\{(\w+)\}\}").unwrap();
+}
+pub fn interpolate_variables(text: &mut String) {
+    *text = RE_VARIABLE
+        .replace_all(text, |caps: &Captures<'_>| {
+            let key = &caps[1];
+            match key {
+                "__os__" => env::consts::OS.to_string(),
+                "__os_distro__" => {
+                    let info = os_info::get();
+                    if env::consts::OS == "linux" {
+                        format!("{info} (linux)")
+                    } else {
+                        info.to_string()
+                    }
+                }
+                "__os_family__" => env::consts::FAMILY.to_string(),
+                "__arch__" => env::consts::ARCH.to_string(),
+                "__shell__" => SHELL.name.clone(),
+                "__locale__" => sys_locale::get_locale().unwrap_or_default(),
+                "__now__" => now(),
+                "__cwd__" => env::current_dir()
+                    .map(|v| v.display().to_string())
+                    .unwrap_or_default(),
+                _ => format!("{{{{{}}}}}", key),
+            }
+        })
+        .to_string();
+}
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