windows support

.github/workflows/ci.yml

@@ -13,7 +13,10 @@ env:
 jobs:
   ci:
     name: Check
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
     steps:
       - uses: actions/checkout@v4
       - uses: actions-rust-lang/setup-rust-toolchain@v1

Cargo.toml

@@ -33,11 +33,11 @@ ignore = "0.4.22"
 itertools = "0.12.1"
 env_logger = "0.11.2"
 log = "0.4.20"
-uzers = "0.11.3"
 config = "0.14.0"
 serde_derive = "1.0.196"
 directories = "5.0.1"
 git2 = { version = "0.18.2", default-features = false }
+whoami = "1.4.1"
 
 [dev-dependencies]
 tempfile = "3.10.0"

src/repo.rs

@@ -40,17 +40,16 @@ fn btime(tmp_dir: &Path) -> Result<f64, io::Error> {
     }
 }
 
-#[cfg(unix)]
 fn db_dirname(root: &Path, tmp_dir: &Path) -> String {
-    use std::os::unix::ffi::OsStrExt;
     let btime = btime(tmp_dir).unwrap();
-    let user = uzers::get_current_username().unwrap();
+    let user = whoami::username();
     let dvc_major = 3;
-    let salt = 2;
+    let salt = 0;
 
     let mut st: OsString = "('".into();
     st.push(root.as_os_str());
     st.push("', ");
+    st.push("None, "); // subdir
     st.push(btime.to_string());
     st.push(", '");
     st.push(user);
@@ -60,7 +59,7 @@ fn db_dirname(root: &Path, tmp_dir: &Path) -> String {
     st.push(salt.to_string());
     st.push(")");
 
-    md5(&mut st.as_bytes())
+    md5(&mut st.as_encoded_bytes())
 }
 
 #[cfg(not(any(
@@ -73,6 +72,12 @@ fn db_dirs() -> PathBuf {
     "/var/tmp/dvc/repo".into()
 }
 
+#[cfg(target_os = "windows")]
+fn db_dirs() -> PathBuf {
+    Path::new(&env::var("CSIDL_COMMON_APPDATA").unwrap_or("C:/ProgramData/iterative/dvc".into()))
+        .to_owned()
+}
+
 #[cfg(target_os = "macos")]
 fn db_dirs() -> PathBuf {
     "/Library/Caches/dvc/repo".into()