From 6cff076513924430c8cdf422fa56dbe711faee40 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 18 Aug 2020 10:38:57 +0200
Subject: Revive cache cleaning

The idea here is that, on CI, we only want to cache crates.io
dependencies, and not local crates. This keeps the size of the cache
low, and also improves performance, as network and moving files on
disk (on Windows) can be slow.
---
 xtask/src/lib.rs | 45 +++++----------------------------------------
 1 file changed, 5 insertions(+), 40 deletions(-)

(limited to 'xtask/src/lib.rs')

diff --git a/xtask/src/lib.rs b/xtask/src/lib.rs
index f3ad81ba7..e790d995f 100644
--- a/xtask/src/lib.rs
+++ b/xtask/src/lib.rs
@@ -3,14 +3,15 @@
 //! See https://github.com/matklad/cargo-xtask/
 
 pub mod not_bash;
+pub mod codegen;
+mod ast_src;
+
 pub mod install;
 pub mod release;
 pub mod dist;
 pub mod pre_commit;
 pub mod metrics;
-
-pub mod codegen;
-mod ast_src;
+pub mod pre_cache;
 
 use std::{
     env,
@@ -21,7 +22,7 @@ use walkdir::{DirEntry, WalkDir};
 
 use crate::{
     codegen::Mode,
-    not_bash::{fs2, pushd, pushenv, rm_rf},
+    not_bash::{pushd, pushenv},
 };
 
 pub use anyhow::{bail, Context as _, Result};
@@ -108,42 +109,6 @@ pub fn run_fuzzer() -> Result<()> {
     Ok(())
 }
 
-/// Cleans the `./target` dir after the build such that only
-/// dependencies are cached on CI.
-pub fn run_pre_cache() -> Result<()> {
-    let slow_tests_cookie = Path::new("./target/.slow_tests_cookie");
-    if !slow_tests_cookie.exists() {
-        panic!("slow tests were skipped on CI!")
-    }
-    rm_rf(slow_tests_cookie)?;
-
-    for entry in Path::new("./target/debug").read_dir()? {
-        let entry = entry?;
-        if entry.file_type().map(|it| it.is_file()).ok() == Some(true) {
-            // Can't delete yourself on windows :-(
-            if !entry.path().ends_with("xtask.exe") {
-                rm_rf(&entry.path())?
-            }
-        }
-    }
-
-    fs2::remove_file("./target/.rustc_info.json")?;
-    let to_delete = ["hir", "heavy_test", "xtask", "ide", "rust-analyzer"];
-    for &dir in ["./target/debug/deps", "target/debug/.fingerprint"].iter() {
-        for entry in Path::new(dir).read_dir()? {
-            let entry = entry?;
-            if to_delete.iter().any(|&it| entry.path().display().to_string().contains(it)) {
-                // Can't delete yourself on windows :-(
-                if !entry.path().ends_with("xtask.exe") {
-                    rm_rf(&entry.path())?
-                }
-            }
-        }
-    }
-
-    Ok(())
-}
-
 fn is_release_tag(tag: &str) -> bool {
     tag.len() == "2020-02-24".len() && tag.starts_with(|c: char| c.is_ascii_digit())
 }
-- 
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