diff --git a/Cargo.lock b/Cargo.lock
index 9fc4f4061c..85bf9c5474 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,19 +1,3 @@
-[root]
-name = "redox_installer"
-version = "0.2.0"
-dependencies = [
- "arg_parser 0.1.0 (git+https://github.com/redox-os/arg-parser.git)",
- "liner 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "pkgutils 0.1.1 (git+https://github.com/redox-os/pkgutils.git)",
- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_users 0.1.0 (git+https://github.com/redox-os/users.git)",
- "redoxfs 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "toml 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "adler32"
 version = "1.0.2"
@@ -22,7 +6,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "arg_parser"
 version = "0.1.0"
-source = "git+https://github.com/redox-os/arg-parser.git#288d2fd9ae27ed2c7a3aaf5a77cf07e2b2bd356c"
+source = "git+https://github.com/redox-os/arg-parser.git#d16e2d02e87996bbe2bce4a201c66c0df4a1e866"
 
 [[package]]
 name = "argon2rs"
@@ -42,6 +26,11 @@ dependencies = [
  "safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "bidir-map"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "bitflags"
 version = "0.7.0"
@@ -60,6 +49,11 @@ dependencies = [
  "constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "build_const"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "byteorder"
 version = "0.5.3"
@@ -72,13 +66,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "clap"
-version = "2.26.2"
+version = "2.27.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "textwrap 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "textwrap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "vec_map 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -86,8 +79,8 @@ name = "coco"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "either 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -95,9 +88,23 @@ name = "constant_time_eq"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "crc"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "build_const 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crc-core 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "crc-core"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "either"
-version = "1.2.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -105,6 +112,11 @@ name = "extra"
 version = "0.1.0"
 source = "git+https://github.com/redox-os/libextra.git#402932084acd5fef4812945887ceaaa2ddd5f264"
 
+[[package]]
+name = "fixedbitset"
+version = "0.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "fuchsia-zircon"
 version = "0.2.1"
@@ -123,21 +135,16 @@ dependencies = [
 
 [[package]]
 name = "fuse"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread-scoped 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "futures"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "gcc"
 version = "0.3.54"
@@ -171,7 +178,7 @@ dependencies = [
  "traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -210,21 +217,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "lazy_static"
-version = "0.2.9"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.32"
+version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libflate"
-version = "0.1.11"
+version = "0.1.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "adler32 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crc 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -259,13 +267,13 @@ name = "num_cpus"
 version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "octavo"
 version = "0.1.1"
-source = "git+https://github.com/libOctavo/octavo.git#d94d924616dca83b9c6cfc815062276c5908713a"
+source = "git+https://github.com/libOctavo/octavo.git#2eff2009fc988371bf1588c2e000b036d2a35372"
 dependencies = [
  "octavo-digest 0.1.2 (git+https://github.com/libOctavo/octavo.git)",
 ]
@@ -273,7 +281,7 @@ dependencies = [
 [[package]]
 name = "octavo-digest"
 version = "0.1.2"
-source = "git+https://github.com/libOctavo/octavo.git#d94d924616dca83b9c6cfc815062276c5908713a"
+source = "git+https://github.com/libOctavo/octavo.git#2eff2009fc988371bf1588c2e000b036d2a35372"
 dependencies = [
  "byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "generic-array 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -281,13 +289,23 @@ dependencies = [
  "typenum 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "ordermap"
+version = "0.2.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "ordermap"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "pbr"
 version = "1.0.0"
 source = "git+https://github.com/ids1024/pb?branch=duration#abe4d6e47df9380c5397590152fd807aedb81e75"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -295,9 +313,18 @@ dependencies = [
 
 [[package]]
 name = "percent-encoding"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "petgraph"
+version = "0.4.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "fixedbitset 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ordermap 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "pkg-config"
 version = "0.3.9"
@@ -306,17 +333,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "pkgutils"
 version = "0.1.1"
-source = "git+https://github.com/redox-os/pkgutils.git#c04a37c0898872062d8fa6e5a3ec7d56e4084d5a"
+source = "git+https://github.com/redox-os/pkgutils.git#767c4d24e3358e778819e0059c15cd0ba2358cbc"
 dependencies = [
- "clap 2.26.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bidir-map 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clap 2.27.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-rustls 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libflate 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libflate 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "liner 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "octavo 0.1.1 (git+https://github.com/libOctavo/octavo.git)",
+ "ordermap 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "pbr 1.0.0 (git+https://github.com/ids1024/pb?branch=duration)",
- "serde 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "petgraph 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "tar 0.4.13 (git+https://github.com/redox-os/tar-rs)",
  "toml 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "version-compare 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -329,11 +359,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "rand"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fuchsia-zircon 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -341,20 +371,35 @@ name = "rayon"
 version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rayon-core 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon-core 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rayon-core"
-version = "1.2.1"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "coco 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "futures 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "redox_installer"
+version = "0.2.0"
+dependencies = [
+ "arg_parser 0.1.0 (git+https://github.com/redox-os/arg-parser.git)",
+ "liner 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkgutils 0.1.1 (git+https://github.com/redox-os/pkgutils.git)",
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_users 0.1.0 (git+https://github.com/redox-os/users.git)",
+ "redoxfs 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 0.8.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -373,7 +418,7 @@ dependencies = [
 [[package]]
 name = "redox_users"
 version = "0.1.0"
-source = "git+https://github.com/redox-os/users.git#77ce04ba3c2a1e4731e75eb58984598fa8937880"
+source = "git+https://github.com/redox-os/users.git#50f4022e6c713a131bbbfde360cb0f369e96c672"
 dependencies = [
  "argon2rs 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "extra 0.1.0 (git+https://github.com/redox-os/libextra.git)",
@@ -382,14 +427,15 @@ dependencies = [
 
 [[package]]
 name = "redoxfs"
-version = "0.2.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "fuse 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuse 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uuid 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -398,8 +444,8 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.54 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -429,7 +475,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "scopeguard"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -439,7 +485,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.15"
+version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -470,17 +516,17 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.15"
+version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive_internals 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive_internals 0.17.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive_internals"
-version = "0.16.0"
+version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -533,36 +579,25 @@ name = "tar"
 version = "0.4.13"
 source = "git+https://github.com/redox-os/tar-rs#b71c22029efc76611016fc4962f29afbe6d44bed"
 dependencies = [
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "xattr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "term_size"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "termion"
 version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "textwrap"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "term_size 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -577,7 +612,7 @@ version = "0.1.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.31 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -595,7 +630,7 @@ name = "toml"
 version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.21 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -651,18 +686,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "url"
-version = "1.5.1"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "idna 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "matches 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "percent-encoding 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
-name = "vec_map"
-version = "0.8.0"
+name = "uuid"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "version-compare"
@@ -708,7 +746,7 @@ name = "xattr"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.32 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
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@@ -748,39 +790,41 @@ dependencies = [
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@@ -794,8 +838,8 @@ dependencies = [
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diff --git a/Cargo.toml b/Cargo.toml
index fdd46bc63b..5faa37f1f5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,7 +15,7 @@ arg_parser = { git = "https://github.com/redox-os/arg-parser.git" }
 liner = "0.1"
 pkgutils = { git = "https://github.com/redox-os/pkgutils.git" }
 rand = "0.3"
-redoxfs = "0.2"
+redoxfs = "0.3"
 serde = "0.8"
 serde_derive = "0.8"
 termion = "1.5.1"