global: snapshot

crates/brk_core/src/utils/checked_sub.rs

@@ -0,0 +1,3 @@
+pub trait CheckedSub<Rhs = Self>: Sized {
+    fn checked_sub(self, rhs: Rhs) -> Option<Self>;
+}

crates/brk_core/src/utils/mod.rs

@@ -1,7 +1,9 @@
+mod checked_sub;
 mod paths;
 mod pause;
 mod rlimit;
 
+pub use checked_sub::*;
 pub use paths::*;
 pub use pause::*;
 pub use rlimit::*;

crates/brk_core/src/utils/paths.rs

@@ -1,4 +1,7 @@
-use std::path::{Path, PathBuf};
+use std::{
+    env,
+    path::{Path, PathBuf},
+};
 
 pub fn path_dot_brk() -> PathBuf {
     let home = std::env::var("HOME").unwrap();
@@ -8,3 +11,26 @@ pub fn path_dot_brk() -> PathBuf {
 pub fn path_dot_brk_log() -> PathBuf {
     path_dot_brk().join("log")
 }
+
+pub fn default_brk() -> PathBuf {
+    path_dot_brk()
+}
+
+pub fn default_bitcoin_path() -> PathBuf {
+    if env::consts::OS == "macos" {
+        default_mac_bitcoin_path()
+    } else {
+        default_linux_bitcoin_path()
+    }
+}
+
+fn default_linux_bitcoin_path() -> PathBuf {
+    Path::new(&std::env::var("HOME").unwrap()).join(".bitcoin")
+}
+
+fn default_mac_bitcoin_path() -> PathBuf {
+    Path::new(&std::env::var("HOME").unwrap())
+        .join("Library")
+        .join("Application Support")
+        .join("Bitcoin")
+}