diff --git a/Cargo.lock b/Cargo.lock
index f4bafaf1..0a426664 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,11 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
 [[package]]
 name = "ahash"
 version = "0.4.7"
@@ -80,6 +86,12 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
+[[package]]
+name = "bytes"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
+
 [[package]]
 name = "c_utf8"
 version = "0.1.0"
@@ -136,6 +148,18 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "cjson"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2b601fb350e2fdbbd2ffb19aef2141fa90864d8fdca83d64466cb9bdb5694a7"
+dependencies = [
+ "itoa",
+ "serde",
+ "serde_derive",
+ "serde_json",
+]
+
 [[package]]
 name = "clap"
 version = "2.33.3"
@@ -191,6 +215,15 @@ version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "28b9d6de7f49e22cf97ad17fc4036ece69300032f45f78f30b4a4482cdc3f4a6"
 
+[[package]]
+name = "crc32fast"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81156fece84ab6a9f2afdb109ce3ae577e42b1228441eded99bd77f627953b1a"
+dependencies = [
+ "cfg-if 1.0.0",
+]
+
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.0"
@@ -382,6 +415,18 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "flate2"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd3aec53de10fe96d7d8c565eb17f2c687bb5518a2ec453b5b1252964526abe0"
+dependencies = [
+ "cfg-if 1.0.0",
+ "crc32fast",
+ "libc",
+ "miniz_oxide",
+]
+
 [[package]]
 name = "fn-error-context"
 version = "0.1.2"
@@ -437,9 +482,9 @@ checksum = "7684cf33bb7f28497939e8c7cf17e3e4e3b8d9a0080ffa4f8ae2f515442ee855"
 
 [[package]]
 name = "futures"
-version = "0.3.12"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da9052a1a50244d8d5aa9bf55cbc2fb6f357c86cc52e46c62ed390a7180cf150"
+checksum = "0e7e43a803dae2fa37c1f6a8fe121e1f7bf9548b4dfc0522a42f34145dadfc27"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -452,9 +497,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.12"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2d31b7ec7efab6eefc7c57233bb10b847986139d88cc2f5a02a1ae6871a1846"
+checksum = "e682a68b29a882df0545c143dc3646daefe80ba479bcdede94d5a703de2871e2"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -462,15 +507,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.12"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79e5145dde8da7d1b3892dad07a9c98fc04bc39892b1ecc9692cf53e2b780a65"
+checksum = "0402f765d8a89a26043b889b26ce3c4679d268fa6bb22cd7c6aad98340e179d1"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.12"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9e59fdc009a4b3096bf94f740a0f2424c082521f20a9b08c5c07c48d90fd9b9"
+checksum = "badaa6a909fac9e7236d0620a2f57f7664640c56575b71a7552fbd68deafab79"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -479,16 +524,17 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.12"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28be053525281ad8259d47e4de5de657b25e7bac113458555bb4b70bc6870500"
+checksum = "acc499defb3b348f8d8f3f66415835a9131856ff7714bf10dadfc4ec4bdb29a1"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.12"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c287d25add322d9f9abdcdc5927ca398917996600182178774032e9f8258fedd"
+checksum = "a4c40298486cdf52cc00cd6d6987892ba502c7656a16a4192a9992b1ccedd121"
 dependencies = [
+ "autocfg",
  "proc-macro-hack",
  "proc-macro2",
  "quote",
@@ -497,25 +543,23 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.12"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "caf5c69029bda2e743fddd0582d1083951d65cc9539aebf8812f36c3491342d6"
+checksum = "a57bead0ceff0d6dde8f465ecd96c9338121bb7717d3e7b108059531870c4282"
 
 [[package]]
 name = "futures-task"
-version = "0.3.12"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13de07eb8ea81ae445aca7b69f5f7bf15d7bf4912d8ca37d6645c77ae8a58d86"
-dependencies = [
- "once_cell",
-]
+checksum = "8a16bef9fc1a4dddb5bee51c989e3fbba26569cbb0e31f5b303c184e3dd33dae"
 
 [[package]]
 name = "futures-util"
-version = "0.3.12"
+version = "0.3.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "632a8cd0f2a4b3fdea1657f08bde063848c3bd00f9bbf6e256b8be78802e624b"
+checksum = "feb5c238d27e2bf94ffdfd27b2c29e3df4a68c4193bb6427384259e2bf191967"
 dependencies = [
+ "autocfg",
  "futures-channel",
  "futures-core",
  "futures-io",
@@ -722,6 +766,15 @@ dependencies = [
  "unindent",
 ]
 
+[[package]]
+name = "instant"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61124eeebbd69b8190558df225adf7e4caafce0d743919e5d6b19652314ec5ec"
+dependencies = [
+ "cfg-if 1.0.0",
+]
+
 [[package]]
 name = "itertools"
 version = "0.9.0"
@@ -808,6 +861,15 @@ version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
 
+[[package]]
+name = "lock_api"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0382880606dff6d15c9476c416d18690b72742aa7b605bb6dd6ec9030fbf07eb"
+dependencies = [
+ "scopeguard",
+]
+
 [[package]]
 name = "log"
 version = "0.4.13"
@@ -856,6 +918,38 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a92518e98c078586bc6c934028adcca4c92a53d6a958196de835170a01d84e4b"
+dependencies = [
+ "adler",
+ "autocfg",
+]
+
+[[package]]
+name = "mio"
+version = "0.7.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf80d3e903b34e0bd7282b218398aec54e082c840d9baf8339e0080a0c542956"
+dependencies = [
+ "libc",
+ "log",
+ "miow",
+ "ntapi",
+ "winapi",
+]
+
+[[package]]
+name = "miow"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "nix"
 version = "0.20.0"
@@ -868,6 +962,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "ntapi"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f6bb902e437b6d86e03cce10a7e2af662292c5dfef23b65899ea3ac9354ad44"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.44"
@@ -982,16 +1085,6 @@ dependencies = [
  "lazy_static",
 ]
 
-[[package]]
-name = "os_pipe"
-version = "0.9.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb233f06c2307e1f5ce2ecad9f8121cffbbee2c95428f44ea85222e460d0d213"
-dependencies = [
- "libc",
- "winapi",
-]
-
 [[package]]
 name = "ostree"
 version = "0.11.0"
@@ -1014,26 +1107,38 @@ dependencies = [
 
 [[package]]
 name = "ostree-ext"
-version = "0.1.0"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d725db675a186b805818e8475171a17bc7ee7731ef55bdde19d0193481b09dc"
+checksum = "ec01cc74ccf8d3b3ed81f0006cf984f0ab859959e56509fafe6bc2ed4d896c84"
 dependencies = [
  "anyhow",
+ "bytes",
  "camino",
+ "cjson",
+ "flate2",
  "fn-error-context",
+ "futures",
  "gio",
  "glib",
  "glib-sys",
  "gvariant",
  "hex",
  "libc",
+ "nix",
  "openat",
  "openat-ext",
  "openssl",
- "os_pipe",
  "ostree",
  "ostree-sys",
+ "phf",
+ "serde",
+ "serde_json",
  "tar",
+ "tempfile",
+ "tokio",
+ "tokio-stream",
+ "tokio-util",
+ "tracing",
 ]
 
 [[package]]
@@ -1049,6 +1154,31 @@ dependencies = [
  "system-deps 1.3.2",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d7744ac029df22dca6284efe4e898991d28e3085c706c972bcd7da4a27a15eb"
+dependencies = [
+ "instant",
+ "lock_api",
+ "parking_lot_core",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fa7a782938e745763fe6907fc6ba86946d72f49fe7e21de074e08128a99fb018"
+dependencies = [
+ "cfg-if 1.0.0",
+ "instant",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "winapi",
+]
+
 [[package]]
 name = "paste"
 version = "1.0.5"
@@ -1530,6 +1660,15 @@ dependencies = [
  "lazy_static",
 ]
 
+[[package]]
+name = "signal-hook-registry"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16f1d0fef1604ba8f7a073c7e701f213e056707210e9020af4528e0101ce11a6"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "siphasher"
 version = "0.3.3"
@@ -1786,6 +1925,62 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "tokio"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd3076b5c8cc18138b8f8814895c11eb4de37114a5d127bafdc5e55798ceef37"
+dependencies = [
+ "autocfg",
+ "bytes",
+ "libc",
+ "memchr",
+ "mio",
+ "num_cpus",
+ "once_cell",
+ "parking_lot",
+ "pin-project-lite",
+ "signal-hook-registry",
+ "tokio-macros",
+ "winapi",
+]
+
+[[package]]
+name = "tokio-macros"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c49e3df43841dafb86046472506755d8501c5615673955f6aa17181125d13c37"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "tokio-stream"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8864d706fdb3cc0843a49647ac892720dac98a6eeb818b77190592cf4994066"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
+[[package]]
+name = "tokio-util"
+version = "0.6.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1caa0b0c8d94a049db56b5acf8cba99dc0623aab1b26d5b5f5e2d945846b3592"
+dependencies = [
+ "bytes",
+ "futures-core",
+ "futures-sink",
+ "log",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "toml"
 version = "0.5.8"
diff --git a/Cargo.toml b/Cargo.toml
index f49ae959..fb899831 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,7 +53,7 @@ openat-ext = "^0.2.1"
 os-release = "0.1.0"
 ostree = { version = "0.11.0", features = ["v2021_1"] }
 ostree-sys = "0.7.3"
-ostree-ext = "0.1.0"
+ostree-ext = "0.1.2"
 paste = "1.0"
 phf = { version = "0.8", features = ["macros"] }
 rand = "0.8.3"