chore(io): remove shellexpand and use std::env::home_dir

Cargo.toml

@@ -177,7 +177,6 @@ rustc_version = "0.4"
 serde = { version = "^1" }
 serde_json = { version = "1" }
 semver = "1.0"
-shellexpand = "3.0"
 slatedb = "0.3"
 snafu = "0.8"
 strum = "0.26"

rust/lance-io/Cargo.toml

@@ -40,7 +40,6 @@ log.workspace = true
 pin-project.workspace = true
 prost.workspace = true
 serde.workspace = true
-shellexpand.workspace = true
 snafu.workspace = true
 tokio.workspace = true
 tracing.workspace = true

rust/lance-io/src/object_store.rs

@@ -26,7 +26,6 @@ use object_store::Error as ObjectStoreError;
 use object_store::{path::Path, ObjectMeta, ObjectStore as OSObjectStore};
 use providers::local::FileStoreProvider;
 use providers::memory::MemoryStoreProvider;
-use shellexpand::tilde;
 use snafu::location;
 use tokio::io::AsyncWriteExt;
 use url::Url;
@@ -337,7 +336,8 @@ pub fn uri_to_url(uri: &str) -> Result<Url> {
 }
 
 fn expand_path(str_path: impl AsRef<str>) -> Result<std::path::PathBuf> {
-    let expanded = tilde(str_path.as_ref()).to_string();
+    let str_path = str_path.as_ref();
+    let expanded = expand_tilde_path(str_path).unwrap_or_else(|| str_path.into());
 
     let mut expanded_path = path_abs::PathAbs::new(expanded)
         .unwrap()
@@ -353,6 +353,22 @@ fn expand_path(str_path: impl AsRef<str>) -> Result<std::path::PathBuf> {
     Ok(expanded_path)
 }
 
+fn expand_tilde_path(path: &str) -> Option<std::path::PathBuf> {
+    let home_dir = std::env::home_dir()?;
+    if path == "~" {
+        return Some(home_dir);
+    }
+    if let Some(stripped) = path.strip_prefix("~/") {
+        return Some(home_dir.join(stripped));
+    }
+    #[cfg(windows)]
+    if let Some(stripped) = path.strip_prefix("~\\") {
+        return Some(home_dir.join(stripped));
+    }
+
+    None
+}
+
 fn local_path_to_url(str_path: &str) -> Result<Url> {
     let expanded_path = expand_path(str_path)?;
 
@@ -967,8 +983,7 @@ mod tests {
 
     /// Write test content to file.
     fn write_to_file(path_str: &str, contents: &str) -> std::io::Result<()> {
-        let expanded = tilde(path_str).to_string();
-        let path = StdPath::new(&expanded);
+        let path = expand_path(path_str).map_err(std::io::Error::other)?;
         std::fs::create_dir_all(path.parent().unwrap())?;
         write(path, contents)
     }