perf: Replace libgit2 git status with gix-index for faster file hashing

Author: anthonyshew

Cargo.lock

@@ -124,6 +124,7 @@ dunce = "1.0.3"
 either = "1.9.0"
 futures = "0.3.31"
 git2 = { version = "0.20.4", default-features = false }
+gix-index = { version = "0.47.0", default-features = false }
 hex = "0.4.3"
 httpmock = { version = "0.8.0", default-features = false }
 indicatif = "0.18.3"

Cargo.toml

@@ -119,12 +119,12 @@ mod tests {
     // Mock the turborepo_dirs functions for testing
     fn create_mock_vercel_config_dir() -> AbsoluteSystemPathBuf {
         let tmp_dir = tempdir().expect("Failed to create temp dir");
-        AbsoluteSystemPathBuf::try_from(tmp_dir.into_path()).expect("Failed to create path")
+        AbsoluteSystemPathBuf::try_from(tmp_dir.keep()).expect("Failed to create path")
     }
 
     fn create_mock_turbo_config_dir() -> AbsoluteSystemPathBuf {
         let tmp_dir = tempdir().expect("Failed to create temp dir");
-        AbsoluteSystemPathBuf::try_from(tmp_dir.into_path()).expect("Failed to create path")
+        AbsoluteSystemPathBuf::try_from(tmp_dir.keep()).expect("Failed to create path")
     }
 
     fn setup_auth_file(

crates/turborepo-auth/src/auth/mod.rs

@@ -127,7 +127,7 @@ turborepo-profile-md = { workspace = true }
 turborepo-repository = { path = "../turborepo-repository" }
 turborepo-run-cache = { path = "../turborepo-run-cache" }
 turborepo-run-summary = { workspace = true }
-turborepo-scm = { workspace = true, features = ["git2"] }
+turborepo-scm = { workspace = true, features = ["git2", "gix"] }
 turborepo-scope = { path = "../turborepo-scope" }
 turborepo-shim = { workspace = true }
 turborepo-signals = { workspace = true }

crates/turborepo-lib/Cargo.toml

@@ -12,6 +12,7 @@ workspace = true
 [dependencies]
 bstr = "1.4.0"
 git2 = { workspace = true, default-features = false, optional = true }
+gix-index = { workspace = true, default-features = false, optional = true }
 globwalk = { path = "../turborepo-globwalk" }
 hex = { workspace = true }
 ignore = "0.4.20"
@@ -31,8 +32,10 @@ which = { workspace = true }
 
 [dev-dependencies]
 git2 = { workspace = true, default-features = false }
+gix-index = { workspace = true, default-features = false }
 tempfile = { workspace = true }
 test-case = { workspace = true }
 
 [features]
 git2 = ["dep:git2"]
+gix = ["dep:gix-index"]