Switching to regex_lite and s optimization level - 2x binary size reduction.

Cargo.lock

@@ -2,15 +2,6 @@
 # It is not intended for manual editing.
 version = 4
 
-[[package]]
-name = "aho-corasick"
-version = "1.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c982642fa9e8606056828ee9a8505737230110bb1099153c79efe865c59d12ba"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "allocator-api2"
 version = "0.2.21"
@@ -249,12 +240,6 @@ dependencies = [
  "hashbrown 0.17.1",
 ]
 
-[[package]]
-name = "memchr"
-version = "2.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf8baf1c55e62ffcace7a9f06f4bd9cd3f0c4beb022d3b367256b91b87513d98"
-
 [[package]]
 name = "nix"
 version = "0.31.3"
@@ -304,7 +289,7 @@ dependencies = [
  "nix",
  "ratatui",
  "ratatui-textarea",
- "regex",
+ "regex-lite",
  "termion",
 ]
 
@@ -450,33 +435,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "regex"
-version = "1.13.1"
+name = "regex-lite"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f020237b6c8eed93db2e2cb53c00c60a8e1bc73da7d073199a1180401450218d"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-automata",
- "regex-syntax",
-]
-
-[[package]]
-name = "regex-automata"
-version = "0.4.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad8553b9b26413251cbf30e620595c7a41b3887f03da04579c0e6b0d6a06b4b2"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-syntax",
-]
-
-[[package]]
-name = "regex-syntax"
-version = "0.8.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6f6ff9a378485b298a5286656da665ba74413d36db0979633275d2e708145d4"
+checksum = "cab834c73d247e67f4fae452806d17d3c7501756d98c8808d7c9c7aa7d18f973"
 
 [[package]]
 name = "rustversion"

Cargo.toml

@@ -7,7 +7,7 @@ edition = "2024"
 nix = { version = "0.31", features = ["mount"] }
 ratatui = { version = "0.30", default-features = false, features = ["termion"] }
 ratatui-textarea = { version = "0.9", default-features = false, features = ["termion"] }
-regex = "1"
+regex-lite = "0.1"
 termion = "4"
 
 [profile.release]
@@ -15,5 +15,5 @@ lto = true
 debug = false
 incremental = false
 codegen-units = 1
-opt-level = 2
+opt-level = "s"
 strip = true

README.md

@@ -8,14 +8,23 @@ And this partition should be formated to bcachefs.
 
 2. Nyanit checks if bcachefs is encrypted, and asks for unlock password if it is.
 
-3. Then it mounts it to **/mnt/bee-root**.
+3. Then it mounts it to **/mnt/real-bee**.
 
-4. And looks for snapshots with name pattern **/mnt/bee-root/bzz_snaps/bzz-yyyy-mm-ddTHH-MM-SS**
+4. Now dealing with snapshoots. Its getting complicated because we need to have then outside root subvolume
+Root subvolume should be named **bee-root**
+Snapshoots made by hive-up should be placed in **bee-root/bzz-snaps** - **/mnt/real-bee/bee-root/bzz-snaps**
+We need to transver snapshoot if any from **/mnt/real-bee/bee-root/bzz-snaps** to **/mnt/real-bee/bzz-snaps**
+Snapshoots names should match **bzz-yyyy-mm-ddTHH-MM-SS** pattern.
 
-5. If no snapshots are found it calls **switch_root** for **/mnt/bee-root**
+4. And looks for snapshots with name pattern **/mnt/real-bee/bzz-snaps/bzz-yyyy-mm-ddTHH-MM-SS**
+
+5. If no snapshots are found it calls **switch_root** for **/mnt/real-bee/bee-root**
 
 6. Othervise vait for F2 for few seconds.
 And if F2 pressed provides list of snapshoots to boot from.
 
-7. After some snapshoot or just **/mnt/bee-root** is selected, Nyanit doing **switch_root** to it.
+7. After some snapshoot or just **/mnt/bee-root/real-bee** is selected, Nyanit doing **switch_root** to it.
 
+8. TO-DO 
+- add cleaning of old snapshoots. 
+- add replacing bee-root with snapshoot

src/main.rs

@@ -40,8 +40,10 @@ const BEE_CAT: &str = include_str!("bee_cat.txt");
 
 //const ROOT_PARTLABEL: &str = "bee-root";
 const ROOT_PARTLABEL: &str = "bee-root";
-const TMP_ROOT: &str = "/mnt/bee_root";
-const TMP_ROOT_SNAPS: &str = "/mnt/bee_root/bzz_snaps";
+const TMP_REAL_ROOT: &str = "/mnt/real-bee";
+const TMP_REAL_ROOT_SNAPS: &str = "/mnt/real-bee/bzz-snaps";
+const TMP_ROOT: &str = "/mnt/real-bee/bee-root";
+const TMP_ROOT_SNAPS: &str = "/mnt/real-bee/bee-root/bzz-snaps";
 const SYS_INIT: &str = "/sbin/init";
 
 // fn bee_root_is_present() -> bool {
@@ -76,13 +78,13 @@ enum NyanitState {
 /// Mounting bee-root and chiking if there any snapshots
 fn mount_and_check_snaps(bee_root_dev: &str) -> Result<NyanitState, ExecCommandError> {
     // mount bee-root
-    nyan_system::mount_bee_root(bee_root_dev, TMP_ROOT)?;
+    nyan_system::mount_bee_root(bee_root_dev, TMP_REAL_ROOT)?;
 
     // let root_list = nyan_system::list_dir(TMP_ROOT)?;
     // return Err(ExecCommandError::Other(root_list));
 
     // list snaps if any
-    let mut snaps_list = nyan_system::list_bzzpss_snaps(TMP_ROOT_SNAPS)?;
+    let mut snaps_list = nyan_system::list_bzzpss_snaps(TMP_REAL_ROOT_SNAPS)?;
     // if any snaps detected whait for user to press F2
     if snaps_list.len() > 0 {
         snaps_list.insert(0, TMP_ROOT.to_string());

src/nyan_system.rs

@@ -251,7 +251,7 @@ pub fn bzzpss_dev_encrypted(dev_name: &str) -> Result<bool, ExecCommandError> {
 
 //const TMP_ROOT: &str = "/mnt/bee-root";
 pub fn list_bzzpss_snaps(snaps_dir: &str) -> Result<Vec<String>, ExecCommandError> {
-    use regex::Regex;
+    use regex_lite::Regex;
     use std::path::Path;
 
     // root snapshoot in a form of bzz-yyyy-mm-ddTHH-MM-SS