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

@@ -33,12 +33,14 @@ 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 }
 
+[target.'cfg(unix)'.dependencies]
+uzers = "0.11.3"
+
 [dev-dependencies]
 tempfile = "3.10.0"
 

src/repo.rs

@@ -63,6 +63,29 @@ fn db_dirname(root: &Path, tmp_dir: &Path) -> String {
     md5(&mut st.as_bytes())
 }
 
+#[cfg(windows)]
+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 dvc_major = 3;
+    let salt = 2;
+
+    let mut st: OsString = "('".into();
+    st.push(root.as_os_str());
+    st.push("', ");
+    st.push(btime.to_string());
+    st.push(", '");
+    st.push(user);
+    st.push("', ");
+    st.push(dvc_major.to_string());
+    st.push(", ");
+    st.push(salt.to_string());
+    st.push(")");
+
+    md5(&mut st.as_bytes())
+}
+
 #[cfg(not(any(
     target_os = "windows",
     target_os = "macos",
@@ -73,6 +96,11 @@ fn db_dirs() -> PathBuf {
     "/var/tmp/dvc/repo".into()
 }
 
+#[cfg(target_os = "windows")]
+fn db_dirs() -> PathBuf {
+    Path::new(env::var("CSIDL_COMMON_APPDATA").or_else("C:/ProgramData/iterative/dvc")).to_owned()
+}
+
 #[cfg(target_os = "macos")]
 fn db_dirs() -> PathBuf {
     "/Library/Caches/dvc/repo".into()