diff --git a/ergo/src/deep_copy.rs b/ergo/src/deep_copy.rs
index 7e8146d..a9d1d84 100644
--- a/ergo/src/deep_copy.rs
+++ b/ergo/src/deep_copy.rs
@@ -94,7 +94,8 @@ fn walk_and_create_dirs(
 }
 
 fn create_dir_maybe<P: AsRef<Path>>(path: P) -> path_abs::Result<PathDir> {
-    let arc = PathArc::new(path);
-    fs::create_dir(&arc).map_err(|err| path_abs::Error::new(err, "creating dir", arc.clone()))?;
-    PathDir::new(arc)
+    let path = path.as_ref();
+    fs::create_dir(path)
+        .map_err(|err| path_abs::Error::new(err, "creating dir", PathBuf::from(path).into()))?;
+    PathDir::new(path)
 }
diff --git a/ergo_fs/Cargo.toml b/ergo_fs/Cargo.toml
index 3b1ef22..c7e3f81 100644
--- a/ergo_fs/Cargo.toml
+++ b/ergo_fs/Cargo.toml
@@ -17,7 +17,7 @@ version = "0.2.0"
 
 [dependencies]
 glob = "0.2.11"
-path_abs = "^0.4.0"
+path_abs = {git="https://github.com/vitiral/path_abs"}
 shellexpand = "1.0.0"
 std_prelude = "^0.2.9"
 tar = "^0.4.14"
diff --git a/ergo_fs/src/lib.rs b/ergo_fs/src/lib.rs
index c5d0c4c..8336a57 100644
--- a/ergo_fs/src/lib.rs
+++ b/ergo_fs/src/lib.rs
@@ -163,7 +163,7 @@ pub extern crate walkdir;
 
 use std::borrow::Cow; // FIXME: remove this
 use std_prelude::*;
-pub use path_abs::{FileEdit, FileRead, FileWrite, PathAbs, PathArc, PathDir, PathFile, PathType};
+pub use path_abs::{FileEdit, FileRead, FileWrite, PathAbs, PathDir, PathFile, PathType, PathInfo, PathOps, PathMut, PathSer};
 pub use walkdir::{Error as WalkError, WalkDir};
 pub use std_prelude::{Read, IoWrite, Path, PathBuf};
 
@@ -221,12 +221,12 @@ pub trait PathTypeExt {
         let abs = PathAbs::new(entry.path())?;
         let ty = entry.file_type();
         if ty.is_file() {
-            Ok(PathType::File(PathFile::from_abs_unchecked(abs)))
+            Ok(PathType::File(PathFile::new_unchecked(abs)))
         } else if ty.is_dir() {
-            Ok(PathType::Dir(PathDir::from_abs_unchecked(abs)))
+            Ok(PathType::Dir(PathDir::new_unchecked(abs)))
         } else {
             // it is a symlink and we _must_ use a syscall to resolve the type.
-            PathType::from_abs(abs)
+            PathType::try_from(abs)
         }
     }
 }
diff --git a/ergo_fs/src/tmp.rs b/ergo_fs/src/tmp.rs
index 09c81e1..ebc719e 100644
--- a/ergo_fs/src/tmp.rs
+++ b/ergo_fs/src/tmp.rs
@@ -16,7 +16,7 @@ use std::fmt;
 
 use std_prelude::*;
 use tempdir;
-use path_abs::{Error, PathAbs, PathArc, PathDir, Result};
+use path_abs::{Error, PathAbs, PathDir, Result};
 
 /// A `PathDir` that is automatically deleted when it goes out of scope.
 ///
@@ -75,7 +75,7 @@ impl PathTmp {
     ///
     /// # Examples
     /// ```
-    /// use ergo_fs::{PathFile, PathTmp};
+    /// use ergo_fs::{PathFile, PathTmp, PathInfo, PathOps};
     ///
     /// let tmp_dir = PathTmp::create("example").unwrap();
     /// let file = PathFile::create(tmp_dir.join("temporary-note.txt")).unwrap();
@@ -103,7 +103,7 @@ impl PathTmp {
     /// # Examples
     ///
     /// ```
-    /// use ergo_fs::{PathFile, PathTmp};
+    /// use ergo_fs::{PathFile, PathTmp, PathInfo, PathOps};
     ///
     /// let tmp_dir = PathTmp::create_in(".", "example").unwrap();
     /// let file = PathFile::create(tmp_dir.join("temporary-note.txt")).unwrap();
@@ -118,7 +118,7 @@ impl PathTmp {
     /// ```
     pub fn create_in<P: AsRef<Path>>(base: P, prefix: &str) -> Result<PathTmp> {
         let tmp = tempdir::TempDir::new_in(&base, prefix)
-            .map_err(|err| Error::new(err, "creating tmpdir", PathArc::new(&base)))?;
+            .map_err(|err| Error::new(err, "creating tmpdir", PathBuf::from(base.as_ref()).into()))?;
 
         Ok(PathTmp {
             dir: PathDir::new(tmp.path())?,
@@ -134,7 +134,7 @@ impl PathTmp {
     /// # Examples
     ///
     /// ```
-    /// use ergo_fs::PathTmp;
+    /// use ergo_fs::{PathTmp, PathInfo};
     ///
     /// let tmp_dir = PathTmp::create_in(".", "persist").unwrap();
     /// let dir = tmp_dir.persist();
@@ -217,7 +217,7 @@ impl Deref for PathTmp {
     type Target = PathAbs;
 
     fn deref(&self) -> &PathAbs {
-        &self.dir
+        self.dir.as_ref()
     }
 }
 
@@ -228,13 +228,6 @@ impl Into<PathAbs> for PathTmp {
     }
 }
 
-impl Into<PathArc> for PathTmp {
-    /// Downgrades the `PathTmp` into a `PathArc`
-    fn into(self) -> PathArc {
-        self.dir.into()
-    }
-}
-
 impl Into<PathBuf> for PathTmp {
     /// Downgrades the `PathTmp` into a `PathBuf`. Avoids a clone if this is the only reference.
     fn into(self) -> PathBuf {
diff --git a/ergo_std/Cargo.toml b/ergo_std/Cargo.toml
index 40fa3e3..3fef18b 100644
--- a/ergo_std/Cargo.toml
+++ b/ergo_std/Cargo.toml
@@ -20,4 +20,4 @@ regex = "0.2.5"
 serde = "1.0"
 serde_derive = "1.0"
 std_prelude = "0.2"
-indexmap = "1.0.1"
+indexmap = {version="1.0.1", features=["serde-1"]}