Stabilize global cache data tracking.

src/cargo/core/global_cache_tracker.rs

@@ -354,13 +354,7 @@ impl GlobalCacheTracker {
         // provide user feedback) rather than blocking inside sqlite
         // (which by default has a short timeout).
         let db_path = gctx.assert_package_cache_locked(CacheLockMode::DownloadExclusive, &db_path);
-        let mut conn = if gctx.cli_unstable().gc {
-            Connection::open(db_path)?
-        } else {
-            // To simplify things (so there aren't checks everywhere for being
-            // enabled), just process everything in memory.
-            Connection::open_in_memory()?
-        };
+        let mut conn = Connection::open(db_path)?;
         conn.pragma_update(None, "foreign_keys", true)?;
         sqlite::migrate(&mut conn, &migrations())?;
         Ok(GlobalCacheTracker {

tests/testsuite/global_cache_tracker.rs

@@ -164,23 +164,20 @@ fn rustup_cargo() -> Execs {
 
 #[cargo_test]
 fn auto_gc_gated() {
-    // Requires -Zgc to both track last-use data and to run auto-gc.
+    // Requires -Zgc to run auto-gc.
     let p = basic_foo_bar_project();
     p.cargo("check")
         .env("__CARGO_TEST_LAST_USE_NOW", months_ago_unix(4))
         .run();
-    // Check that it did not create a database or delete anything.
+    // Check that it created a database.
     let gctx = GlobalContextBuilder::new().build();
-    assert!(!GlobalCacheTracker::db_path(&gctx)
+    assert!(GlobalCacheTracker::db_path(&gctx)
         .into_path_unlocked()
         .exists());
     assert_eq!(get_index_names().len(), 1);
 
     // Again in the future, shouldn't auto-gc.
     p.cargo("check").run();
-    assert!(!GlobalCacheTracker::db_path(&gctx)
-        .into_path_unlocked()
-        .exists());
     assert_eq!(get_index_names().len(), 1);
 }
 
@@ -203,7 +200,7 @@ See [..]
 fn implies_source() {
     // Checks that when a src, crate, or checkout is marked as used, the
     // corresponding index or git db also gets marked as used.
-    let gctx = GlobalContextBuilder::new().unstable_flag("gc").build();
+    let gctx = GlobalContextBuilder::new().build();
     let _lock = gctx
         .acquire_package_cache_lock(CacheLockMode::MutateExclusive)
         .unwrap();
@@ -563,7 +560,7 @@ fn auto_gc_various_commands() {
             .masquerade_as_nightly_cargo(&["gc"])
             .env("__CARGO_TEST_LAST_USE_NOW", months_ago_unix(4))
             .run();
-        let gctx = GlobalContextBuilder::new().unstable_flag("gc").build();
+        let gctx = GlobalContextBuilder::new().build();
         let lock = gctx
             .acquire_package_cache_lock(CacheLockMode::MutateExclusive)
             .unwrap();
@@ -647,7 +644,7 @@ fn updates_last_use_various_commands() {
             .arg("-Zgc")
             .masquerade_as_nightly_cargo(&["gc"])
             .run();
-        let gctx = GlobalContextBuilder::new().unstable_flag("gc").build();
+        let gctx = GlobalContextBuilder::new().build();
         let lock = gctx
             .acquire_package_cache_lock(CacheLockMode::MutateExclusive)
             .unwrap();
@@ -696,7 +693,7 @@ fn both_git_and_http_index_cleans() {
         .masquerade_as_nightly_cargo(&["gc"])
         .env("__CARGO_TEST_LAST_USE_NOW", months_ago_unix(4))
         .run();
-    let gctx = GlobalContextBuilder::new().unstable_flag("gc").build();
+    let gctx = GlobalContextBuilder::new().build();
     let lock = gctx
         .acquire_package_cache_lock(CacheLockMode::MutateExclusive)
         .unwrap();
@@ -821,7 +818,7 @@ fn tracks_sizes() {
         .run();
 
     // Check that the crate sizes are the same as on disk.
-    let gctx = GlobalContextBuilder::new().unstable_flag("gc").build();
+    let gctx = GlobalContextBuilder::new().build();
     let _lock = gctx
         .acquire_package_cache_lock(CacheLockMode::MutateExclusive)
         .unwrap();
@@ -863,7 +860,7 @@ fn tracks_sizes() {
 #[cargo_test]
 fn max_size() {
     // Checks --max-crate-size and --max-src-size with various cleaning thresholds.
-    let gctx = GlobalContextBuilder::new().unstable_flag("gc").build();
+    let gctx = GlobalContextBuilder::new().build();
 
     let test_crates = [
         // name, age, crate_size, src_size
@@ -962,7 +959,7 @@ fn max_size_untracked_crate() {
     // When a .crate file exists from an older version of cargo that did not
     // track sizes, `clean --max-crate-size` should populate the db with the
     // sizes.
-    let gctx = GlobalContextBuilder::new().unstable_flag("gc").build();
+    let gctx = GlobalContextBuilder::new().build();
     let cache = paths::home().join(".cargo/registry/cache/example.com-a6c4a5adcb232b9a");
     cache.mkdir_p();
     paths::home()
@@ -1003,7 +1000,7 @@ fn max_size_untracked_prepare() -> (GlobalContext, Project) {
     let p = basic_foo_bar_project();
     p.cargo("fetch").run();
     // Pretend it was an older version that did not track last-use.
-    let gctx = GlobalContextBuilder::new().unstable_flag("gc").build();
+    let gctx = GlobalContextBuilder::new().build();
     GlobalCacheTracker::db_path(&gctx)
         .into_path_unlocked()
         .rm_rf();
@@ -1084,7 +1081,7 @@ fn max_download_size() {
     // This creates some sample crates of specific sizes, and then tries
     // deleting at various specific size thresholds that exercise different
     // edge conditions.
-    let gctx = GlobalContextBuilder::new().unstable_flag("gc").build();
+    let gctx = GlobalContextBuilder::new().build();
 
     let test_crates = [
         // name, age, crate_size, src_size
@@ -1339,7 +1336,7 @@ fn clean_syncs_missing_files() {
         .run();
 
     // Verify things are tracked.
-    let gctx = GlobalContextBuilder::new().unstable_flag("gc").build();
+    let gctx = GlobalContextBuilder::new().build();
     let lock = gctx
         .acquire_package_cache_lock(CacheLockMode::MutateExclusive)
         .unwrap();
@@ -1992,7 +1989,7 @@ fn forward_compatible() {
         .masquerade_as_nightly_cargo(&["gc"])
         .run();
 
-    let config = GlobalContextBuilder::new().unstable_flag("gc").build();
+    let config = GlobalContextBuilder::new().build();
     let lock = config
         .acquire_package_cache_lock(CacheLockMode::MutateExclusive)
         .unwrap();