upgrade smart-release to the latest crates-index

cargo-smart-release/Cargo.toml

@@ -28,11 +28,11 @@ gix = { version = "^0.50.0", default-features = false, features = ["max-performa
 anyhow = "1.0.42"
 clap = { version = "4.1.0", features = ["derive", "cargo"] }
 env_logger = { version = "0.10.0", default-features = false, features = ["humantime", "auto-color"] }
-cargo_metadata = "0.15.0"
+cargo_metadata = "0.17.0"
 log = "0.4.14"
 toml_edit = "0.19.1"
 semver = "1.0.4"
-crates-index = { version = "2.0.0", default-features = false, features = ["git-performance", "git-https"] }
+crates-index = { version = "2.1.0", default-features = false, features = ["git-performance", "git-https"] }
 cargo_toml = "0.15.1"
 winnow = "0.5.1"
 git-conventional = "0.12.0"

cargo-smart-release/src/crates_index.rs

@@ -1,19 +1,12 @@
-use std::path::PathBuf;
-
 pub struct Index {
     inner: Option<crates_index::GitIndex>,
 }
 
 impl Index {
     /// Like the original one, but doesn't create it if it doesn't exist
     pub fn new_cargo_default() -> Result<Index, crates_index::Error> {
-        let path = default_path();
         Ok(Index {
-            inner: if path.is_dir() {
-                crates_index::GitIndex::new_cargo_default()?.into()
-            } else {
-                None
-            },
+            inner: crates_index::GitIndex::try_new_cargo_default()?,
         })
     }
 
@@ -29,9 +22,3 @@ impl Index {
         self.inner.as_ref().and_then(|idx| idx.crate_(name))
     }
 }
-
-fn default_path() -> PathBuf {
-    crates_index::local_path_and_canonical_url(crates_index::git::URL, None)
-        .expect("defaults are well-known")
-        .0
-}