feat(autoconfigure): generate names using a unique hash

Cargo.lock

@@ -14,6 +14,17 @@ version = "1.0.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
 
+[[package]]
+name = "async-trait"
+version = "0.1.89"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.5.0"
@@ -32,6 +43,15 @@ version = "2.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "812e12b5285cc515a9c72a5c1d3b6d46a19dac5acfef5265968c166106e31dd3"
 
+[[package]]
+name = "block-buffer"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "bytemuck"
 version = "1.24.0"
@@ -44,12 +64,27 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f1fe948ff07f4bd06c30984e69f5b4899c516a3ef74f34df92a2df2ab535495"
 
+[[package]]
+name = "bytes"
+version = "1.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d71b6127be86fdcfddb610f7182ac57211d4b18a3e9c82eb2d17662f2227ad6a"
+
 [[package]]
 name = "cfg-if"
 version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
 
+[[package]]
+name = "cpufeatures"
+version = "0.2.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.5.0"
@@ -59,6 +94,26 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crypto-common"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
+dependencies = [
+ "generic-array",
+ "typenum",
+]
+
+[[package]]
+name = "digest"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
+dependencies = [
+ "block-buffer",
+ "crypto-common",
+]
+
 [[package]]
 name = "edera-sprout"
 version = "0.0.11"
@@ -67,6 +122,7 @@ dependencies = [
  "image",
  "log",
  "serde",
+ "sha256",
  "toml",
  "uefi",
  "uefi-raw",
@@ -97,12 +153,28 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.14.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4bb6743198531e02858aeaea5398fcc883e71851fcbcb5a2f773e2fb6cb1edf2"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5419bdc4f6a9207fbeba6d11b604d481addf78ecd10c11ad51e76c2f6482748d"
 
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
 [[package]]
 name = "image"
 version = "0.25.8"
@@ -126,6 +198,12 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "libc"
+version = "0.2.177"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2874a2af47a2325c2001a6e6fad9b16a53b802102b528163885171cf92b15976"
+
 [[package]]
 name = "log"
 version = "0.4.28"
@@ -160,6 +238,12 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "pin-project-lite"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b3cff922bd51709b605d9ead9aa71031d81447142d828eb4a6eba76fe619f9b"
+
 [[package]]
 name = "png"
 version = "0.18.0"
@@ -259,6 +343,30 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.10.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
+[[package]]
+name = "sha256"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f880fc8562bdeb709793f00eb42a2ad0e672c4f883bbe59122b926eca935c8f6"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "hex",
+ "sha2",
+ "tokio",
+]
+
 [[package]]
 name = "simd-adler32"
 version = "0.3.7"
@@ -275,6 +383,16 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "tokio"
+version = "1.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ff360e02eab121e0bc37a2d3b4d4dc622e6eda3a8e5253d5435ecf5bd4c68408"
+dependencies = [
+ "bytes",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "toml"
 version = "0.9.8"
@@ -314,6 +432,12 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "df8b2b54733674ad286d16267dcfc7a71ed5c776e4ac7aa3c3e2561f7c637bf2"
 
+[[package]]
+name = "typenum"
+version = "1.19.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "562d481066bde0658276a35467c4af00bdc6ee726305698a55b86e61d7ad82bb"
+
 [[package]]
 name = "ucs2"
 version = "0.3.3"
@@ -372,6 +496,12 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "462eeb75aeb73aea900253ce739c8e18a67423fadf006037cd3ff27e82748a06"
 
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
 [[package]]
 name = "winnow"
 version = "0.7.13"

Cargo.toml

@@ -11,9 +11,10 @@ edition = "2024"
 anyhow = "1.0.100"
 toml = "0.9.8"
 log = "0.4.28"
+sha256 = "1.6.0"
 
 [dependencies.image]
-version = "0.25.6"
+version = "0.25.8"
 default-features = false
 features = ["png"]
 optional = true

src/autoconfigure/bls.rs

@@ -4,6 +4,7 @@ use crate::config::RootConfiguration;
 use crate::entries::EntryDeclaration;
 use crate::generators::GeneratorDeclaration;
 use crate::generators::bls::BlsConfiguration;
+use crate::utils;
 use anyhow::{Context, Result};
 use uefi::cstr16;
 use uefi::fs::{FileSystem, Path};
@@ -33,6 +34,9 @@ pub fn scan(
     // Add a trailing slash to the root to ensure the path is valid.
     root.push('/');
 
+    // Generate a unique hash of the root path.
+    let root_unique_hash = utils::unique_hash(&root);
+
     // Whether we have a loader.conf file.
     let has_loader_conf = filesystem
         .try_exists(bls_loader_conf_path)
@@ -54,7 +58,7 @@ pub fn scan(
     }
 
     // Generate a unique name for the BLS chainload action.
-    let chainload_action_name = format!("{}{}", BLS_CHAINLOAD_ACTION_PREFIX, root);
+    let chainload_action_name = format!("{}{}", BLS_CHAINLOAD_ACTION_PREFIX, root_unique_hash,);
 
     // BLS is now detected, generate a configuration for it.
     let generator = BlsConfiguration {
@@ -68,7 +72,7 @@ pub fn scan(
 
     // Generate a unique name for the BLS generator and insert the generator into the configuration.
     config.generators.insert(
-        format!("autoconfigure-bls-{}", root),
+        format!("autoconfigure-bls-{}", root_unique_hash),
         GeneratorDeclaration {
             bls: Some(generator),
             ..Default::default()

src/autoconfigure/linux.rs

@@ -4,6 +4,7 @@ use crate::config::RootConfiguration;
 use crate::entries::EntryDeclaration;
 use crate::generators::GeneratorDeclaration;
 use crate::generators::list::ListConfiguration;
+use crate::utils;
 use anyhow::{Context, Result};
 use std::collections::BTreeMap;
 use uefi::CString16;
@@ -136,6 +137,9 @@ pub fn scan(
     // Add a trailing slash to the root to ensure the path is valid.
     root.push('/');
 
+    // Generate a unique hash of the root path.
+    let root_unique_hash = utils::unique_hash(&root);
+
     // Scan all locations for kernel pairs, adding them to the list.
     for location in SCAN_LOCATIONS {
         let scanned = scan_directory(filesystem, location)
@@ -149,7 +153,7 @@ pub fn scan(
     }
 
     // Generate a unique name for the linux chainload action.
-    let chainload_action_name = format!("{}{}", LINUX_CHAINLOAD_ACTION_PREFIX, root);
+    let chainload_action_name = format!("{}{}", LINUX_CHAINLOAD_ACTION_PREFIX, root_unique_hash,);
 
     // Kernel pairs are detected, generate a list configuration for it.
     let generator = ListConfiguration {
@@ -171,7 +175,7 @@ pub fn scan(
 
     // Generate a unique name for the Linux generator and insert the generator into the configuration.
     config.generators.insert(
-        format!("autoconfigure-linux-{}", root),
+        format!("autoconfigure-linux-{}", root_unique_hash),
         GeneratorDeclaration {
             list: Some(generator),
             ..Default::default()

src/menu.rs

@@ -102,7 +102,7 @@ fn select_with_input<'a>(
             info!("Boot Menu:");
             for (index, entry) in entries.iter().enumerate() {
                 let title = entry.context().stamp(&entry.declaration().title);
-                info!("  [{}] {}", index, title);
+                info!("  [{}] {} ({})", index, title, entry.name());
             }
         }
 

src/utils.rs

@@ -175,3 +175,9 @@ pub fn combine_options<T: AsRef<str>>(options: impl Iterator<Item = T>) -> Strin
         .collect::<Vec<_>>()
         .join(" ")
 }
+
+/// Produce a unique hash for the input.
+/// This uses SHA-256, which is unique enough but relatively short.
+pub fn unique_hash(input: &str) -> String {
+    sha256::digest(input.as_bytes())
+}