From e0d95e3bd06a4ac0e93a10c0b3f79b5f27d5d076 Mon Sep 17 00:00:00 2001
From: Joakim Hulthe <joakim@hulthe.net>
Date: Mon, 4 Nov 2024 17:07:50 +0100
Subject: [PATCH] manager: Add os variable since hostname on macos is weird

---
 manager/Cargo.lock                        | 467 +++++++++++++---------
 manager/Cargo.toml                        |   1 +
 manager/src/builder.rs                    |  40 +-
 manager/src/error.rs                      |   8 +-
 manager/src/main.rs                       |   6 +-
 manager/src/peeker.rs                     |   3 +-
 tree/.config/alacritty/alacritty.toml.tpl |   5 +
 7 files changed, 318 insertions(+), 212 deletions(-)

diff --git a/manager/Cargo.lock b/manager/Cargo.lock
index 60a3cc7..0ee7caa 100644
--- a/manager/Cargo.lock
+++ b/manager/Cargo.lock
@@ -2,6 +2,21 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "addr2line"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7a2e47a1fbe209ee101dd6d61285226744c6c8d3c21c8dc878ba6cb9f467f3a"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.15"
@@ -34,7 +49,7 @@ checksum = "d7d78656ba01f1b93024b7c3a0467f1608e4be67d725749fdcd7d2c7678fd7a2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
@@ -43,16 +58,31 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.1.19",
  "libc",
  "winapi",
 ]
 
 [[package]]
 name = "autocfg"
-version = "1.1.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
+checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
+
+[[package]]
+name = "backtrace"
+version = "0.3.59"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4717cfcbfaa661a0fd48f8453951837ae7e8f81e481fbb136e3202d72805a744"
+dependencies = [
+ "addr2line",
+ "cc",
+ "cfg-if",
+ "libc",
+ "miniz_oxide",
+ "object",
+ "rustc-demangle",
+]
 
 [[package]]
 name = "bitflags"
@@ -60,6 +90,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
+
 [[package]]
 name = "bitvec"
 version = "0.19.6"
@@ -74,8 +110,8 @@ dependencies = [
 
 [[package]]
 name = "blueprint"
-version = "0.4.0"
-source = "git+https://git.nubo.sh/hulthe/blueprint.git#974a6e89b2b62cfe97e82d2b128f3f2321995606"
+version = "0.5.0"
+source = "git+https://git.nubo.sh/hulthe/blueprint.git#92df5833161321f0548ae4849548b615e35a9772"
 dependencies = [
  "nom",
  "structopt",
@@ -84,9 +120,18 @@ dependencies = [
 
 [[package]]
 name = "bytes"
-version = "1.1.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
+checksum = "9ac0150caa2ae65ca5bd83f25c7de183dea78d4d366469f148435e2acfbad0da"
+
+[[package]]
+name = "cc"
+version = "1.1.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "67b9470d453346108f93a59222a9a1a5724db32d0a4727b7ab7ace4b4d822dc9"
+dependencies = [
+ "shlex",
+]
 
 [[package]]
 name = "cfg-if"
@@ -102,39 +147,20 @@ checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
 dependencies = [
  "ansi_term",
  "atty",
- "bitflags",
+ "bitflags 1.3.2",
  "strsim",
  "textwrap",
  "unicode-width",
  "vec_map",
 ]
 
-[[package]]
-name = "dirs"
-version = "4.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3aa72a6f96ea37bbc5aa912f6788242832f75369bdfdadcb0e38423f100059"
-dependencies = [
- "dirs-sys",
-]
-
-[[package]]
-name = "dirs-sys"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b1d1d91c932ef41c0f2663aa8b0ca0342d444d842c06914aa0a7e352d0bada6"
-dependencies = [
- "libc",
- "redox_users",
- "winapi",
-]
-
 [[package]]
 name = "dotfiles"
 version = "0.1.0"
 dependencies = [
  "async-recursion",
  "blueprint",
+ "eyre",
  "futures",
  "log",
  "pretty_env_logger",
@@ -159,6 +185,16 @@ dependencies = [
  "termcolor",
 ]
 
+[[package]]
+name = "eyre"
+version = "0.6.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7cd915d99f24784cdc19fd37ef22b97e3ff0ae756c7e492e9fbfe897d61e2aec"
+dependencies = [
+ "indenter",
+ "once_cell",
+]
+
 [[package]]
 name = "funty"
 version = "1.1.0"
@@ -167,9 +203,9 @@ checksum = "fed34cd105917e91daa4da6b3728c47b068749d6a62c59811f06ed2ac71d9da7"
 
 [[package]]
 name = "futures"
-version = "0.3.21"
+version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f73fe65f54d1e12b726f517d3e2135ca3125a437b6d998caf1962961f7172d9e"
+checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -182,9 +218,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.21"
+version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3083ce4b914124575708913bca19bfe887522d6e2e6d0952943f5eac4a74010"
+checksum = "2dff15bf788c671c1934e366d07e30c1814a8ef514e1af724a602e8a2fbe1b10"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -192,15 +228,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.21"
+version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c09fd04b7e4073ac7156a9539b57a484a8ea920f79c7c675d05d289ab6110d3"
+checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.21"
+version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9420b90cfa29e327d0429f19be13e7ddb68fa1cccb09d65e5706b8c7a749b8a6"
+checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -209,38 +245,38 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.21"
+version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc4045962a5a5e935ee2fdedaa4e08284547402885ab326734432bed5d12966b"
+checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.21"
+version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33c1e13800337f4d4d7a316bf45a567dbcb6ffe087f16424852d97e97a91f512"
+checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.87",
 ]
 
 [[package]]
 name = "futures-sink"
-version = "0.3.21"
+version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21163e139fa306126e6eedaf49ecdb4588f939600f0b1e770f4205ee4b7fa868"
+checksum = "e575fab7d1e0dcb8d0c7bcf9a63ee213816ab51902e6d244a95819acacf1d4f7"
 
 [[package]]
 name = "futures-task"
-version = "0.3.21"
+version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c66a976bf5909d801bbef33416c41372779507e7a6b3a5e25e4749c58f776a"
+checksum = "f90f7dce0722e95104fcb095585910c0977252f286e354b5e3bd38902cd99988"
 
 [[package]]
 name = "futures-util"
-version = "0.3.21"
+version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8b7abd5d659d9b90c8cba917f6ec750a74e2dc23902ef9cd4cc8c8b22e6036a"
+checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -255,15 +291,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "getrandom"
-version = "0.2.6"
+name = "gimli"
+version = "0.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9be70c98951c83b8d2f8f60d7065fa6d5146873094452a1008da8c2f1e4205ad"
-dependencies = [
- "cfg-if",
- "libc",
- "wasi 0.10.2+wasi-snapshot-preview1",
-]
+checksum = "0e4075386626662786ddb0ec9081e7c7eeb1ba31951f447ca780ef9f5d568189"
 
 [[package]]
 name = "heck"
@@ -283,6 +314,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "hermit-abi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
+
 [[package]]
 name = "humantime"
 version = "1.3.0"
@@ -293,10 +330,16 @@ dependencies = [
 ]
 
 [[package]]
-name = "lazy_static"
-version = "1.4.0"
+name = "indenter"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+checksum = "ce23b50ad8242c51a442f3ff322d56b02f08852c77e4c0b4d3fd684abc89c683"
+
+[[package]]
+name = "lazy_static"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
 
 [[package]]
 name = "lexical-core"
@@ -305,7 +348,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6607c62aa161d23d17a9072cc5da0be67cdfc89d3afb1e8d9c842bebc2525ffe"
 dependencies = [
  "arrayvec",
- "bitflags",
+ "bitflags 1.3.2",
  "cfg-if",
  "ryu",
  "static_assertions",
@@ -313,15 +356,15 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.126"
+version = "0.2.161"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349d5a591cd28b49e1d1037471617a32ddcda5731b99419008085f72d5a53836"
+checksum = "8e9489c2807c139ffd9c1794f4af0ebe86a828db53ecdc7fea2111d0fed085d1"
 
 [[package]]
 name = "lock_api"
-version = "0.4.7"
+version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "327fa5b6a6940e4699ec49a9beae1ea4845c6bab9314e4f84ac68742139d8c53"
+checksum = "07af8b9cdd281b7915f413fa73f29ebd5d55d0d3f0155584dade1ff18cea1b17"
 dependencies = [
  "autocfg",
  "scopeguard",
@@ -329,12 +372,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.17"
+version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
-dependencies = [
- "cfg-if",
-]
+checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
 
 [[package]]
 name = "memchr"
@@ -343,22 +383,32 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
 
 [[package]]
-name = "mio"
-version = "0.8.3"
+name = "miniz_oxide"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "713d550d9b44d89174e066b7a6217ae06234c10cb47819a88290d2b353c31799"
+checksum = "a92518e98c078586bc6c934028adcca4c92a53d6a958196de835170a01d84e4b"
 dependencies = [
+ "adler",
+ "autocfg",
+]
+
+[[package]]
+name = "mio"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80e04d1dcff3aae0704555fe5fee3bcfaf3d1fdf8a7e521d5b9d2b42acb52cec"
+dependencies = [
+ "hermit-abi 0.3.9",
  "libc",
- "log",
- "wasi 0.11.0+wasi-snapshot-preview1",
- "windows-sys",
+ "wasi",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
 name = "nom"
-version = "6.2.1"
+version = "6.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c5c51b9083a3c620fa67a2a635d1ce7d95b897e957d6b28ff9a5da960a103a6"
+checksum = "c6a7a9657c84d5814c6196b68bb4429df09c18b1573806259fba397ea4ad0d44"
 dependencies = [
  "bitvec",
  "funty",
@@ -368,26 +418,22 @@ dependencies = [
 ]
 
 [[package]]
-name = "num_cpus"
-version = "1.13.1"
+name = "object"
+version = "0.24.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1"
-dependencies = [
- "hermit-abi",
- "libc",
-]
+checksum = "1a5b3dd1c072ee7963717671d1ca129f1048fda25edea6b752bfc71ac8854170"
 
 [[package]]
 name = "once_cell"
-version = "1.12.0"
+version = "1.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7709cef83f0c1f58f666e746a08b21e0085f7440fa6a29cc194d68aac97a4225"
+checksum = "1261fe7e33c73b354eab43b1273a57c8f967d0391e80353e51f764ac02cf6775"
 
 [[package]]
 name = "parking_lot"
-version = "0.12.1"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3742b2c103b9f06bc9fff0a37ff4912935851bee6d36f3c02bcc755bcfec228f"
+checksum = "f1bf18183cf54e8d6059647fc3063646a1801cf30896933ec2311622cc4b9a27"
 dependencies = [
  "lock_api",
  "parking_lot_core",
@@ -395,22 +441,22 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.9.3"
+version = "0.9.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09a279cbf25cb0757810394fbc1e359949b59e348145c643a939a525692e6929"
+checksum = "1e401f977ab385c9e4e3ab30627d6f26d00e2c73eef317493c4ec6d468726cf8"
 dependencies = [
  "cfg-if",
  "libc",
  "redox_syscall",
  "smallvec",
- "windows-sys",
+ "windows-targets",
 ]
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.9"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
+checksum = "915a1e146535de9163f3987b8944ed8cf49a18bb0056bcebcdcece385cece4ff"
 
 [[package]]
 name = "pin-utils"
@@ -437,7 +483,7 @@ dependencies = [
  "proc-macro-error-attr",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
  "version_check",
 ]
 
@@ -454,9 +500,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.39"
+version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c54b25569025b7fc9651de43004ae593a75ad88543b17178aa5e1b9c4f15f56f"
+checksum = "f139b0662de085916d1fb67d2b4169d1addddda1919e696f3252b740b629986e"
 dependencies = [
  "unicode-ident",
 ]
@@ -469,9 +515,9 @@ checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
 [[package]]
 name = "quote"
-version = "1.0.18"
+version = "1.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1feb54ed693b93a84e14094943b84b7c4eae204c512b7ccb95ab0c66d278ad1"
+checksum = "b5b9d34b8991d19d98081b46eacdd8eb58c6f2b201139f7c5f643cc155a633af"
 dependencies = [
  "proc-macro2",
 ]
@@ -484,22 +530,11 @@ checksum = "941ba9d78d8e2f7ce474c015eea4d9c6d25b6a3327f9832ee29a4de27f91bbb8"
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.13"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62f25bc4c7e55e0b0b7a1d43fb893f4fa1361d0abe38b9ce4f323c2adfe6ef42"
+checksum = "9b6dfecf2c74bce2466cabf93f6664d6998a69eb21e39f4207930065b27b771f"
 dependencies = [
- "bitflags",
-]
-
-[[package]]
-name = "redox_users"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b"
-dependencies = [
- "getrandom",
- "redox_syscall",
- "thiserror",
+ "bitflags 2.6.0",
 ]
 
 [[package]]
@@ -515,71 +550,86 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.26"
+version = "0.6.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49b3de9ec5dc0a3417da371aab17d729997c15010e7fd24ff707773a33bddb64"
+checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
+
+[[package]]
+name = "rustc-demangle"
+version = "0.1.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
 
 [[package]]
 name = "ryu"
-version = "1.0.10"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3f6f92acf49d1b98f7a81226834412ada05458b7364277387724a237f062695"
+checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
 
 [[package]]
 name = "scopeguard"
-version = "1.1.0"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
+checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "serde"
-version = "1.0.137"
+version = "1.0.214"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61ea8d54c77f8315140a05f4c7237403bf38b72704d031543aa1d16abbf517d1"
+checksum = "f55c3193aca71c12ad7890f1785d2b73e1b9f63a0bbc353c08ef26fe03fc56b5"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.137"
+version = "1.0.214"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f26faba0c3959972377d3b2d306ee9f71faee9714294e41bb777f83f88578be"
+checksum = "de523f781f095e28fa605cdce0f8307e451cc0fd14e2eb4cd2e98a355b147766"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.87",
 ]
 
 [[package]]
-name = "signal-hook-registry"
-version = "1.4.0"
+name = "shlex"
+version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51e73328dc4ac0c7ccbda3a494dfa03df1de2f46018127f60c693f2648455b0"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
+[[package]]
+name = "signal-hook-registry"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9e9e0b4211b72e7b8b6e85c807d36c212bdb33ea8587f7569562a84df5465b1"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "slab"
-version = "0.4.6"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb703cfe953bccee95685111adeedb76fabe4e97549a58d16f03ea7b9367bb32"
+checksum = "8f92a496fb766b417c996b9c5e57daf2f7ad3b0bebe1ccfca4856390e3d3bb67"
+dependencies = [
+ "autocfg",
+]
 
 [[package]]
 name = "smallvec"
-version = "1.8.0"
+version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
+checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
 [[package]]
 name = "socket2"
-version = "0.4.4"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
+checksum = "ce305eb0b4296696835b71df73eb912e0f1ffd2556a501fcede6e0c50349191c"
 dependencies = [
  "libc",
- "winapi",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -615,14 +665,25 @@ dependencies = [
  "proc-macro-error",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
 name = "syn"
-version = "1.0.96"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0748dd251e24453cb8717f0354206b91557e4ec8703673a4b30208f2abaf1ebf"
+checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "syn"
+version = "2.0.87"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "25aa4ce346d03a6dcd68dd8b4010bcb74e54e62c90c573f394c46eae99aba32d"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -637,9 +698,9 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 
 [[package]]
 name = "termcolor"
-version = "1.1.3"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bab24d30b911b2376f3a13cc2cd443142f0c81dda04c118693e35b3835757755"
+checksum = "06794f8f6c5c898b3275aebefa6b8a1cb24cd2c6c79397ab15774837a0bc5755"
 dependencies = [
  "winapi-util",
 ]
@@ -655,81 +716,79 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.31"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd829fe32373d27f76265620b5309d0340cb8550f523c1dda251d6298069069a"
+checksum = "3b3c6efbfc763e64eb85c11c25320f0737cb7364c4b6336db90aa9ebe27a0bbd"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.31"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0396bc89e626244658bef819e22d0cc459e795a5ebe878e6ec336d1674a8d79a"
+checksum = "b607164372e89797d78b8e23a6d67d5d1038c1c65efd52e1389ef8b77caba2a6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.87",
 ]
 
 [[package]]
 name = "tokio"
-version = "1.19.2"
+version = "1.41.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c51a52ed6686dd62c320f9b89299e9dfb46f730c7a48e635c19f21d116cb1439"
+checksum = "145f3413504347a2be84393cc8a7d2fb4d863b375909ea59f2158261aa258bbb"
 dependencies = [
+ "backtrace",
  "bytes",
  "libc",
- "memchr",
  "mio",
- "num_cpus",
- "once_cell",
  "parking_lot",
  "pin-project-lite",
  "signal-hook-registry",
  "socket2",
  "tokio-macros",
- "winapi",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
 name = "tokio-macros"
-version = "1.8.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9724f9a975fb987ef7a3cd9be0350edcbe130698af5b8f7a631e23d42d052484"
+checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.87",
 ]
 
 [[package]]
 name = "toml"
-version = "0.5.9"
+version = "0.5.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
+checksum = "f4f7f0dd8d50a853a531c426359045b1998f04219d88799810762cd4ad314234"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "unicode-ident"
-version = "1.0.0"
+version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d22af068fba1eb5edcb4aea19d382b2a3deb4c8f9d475c589b6ada9e0fd493ee"
+checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.9.0"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e8820f5d777f6224dc4be3632222971ac30164d4a258d595640799554ebfd99"
+checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
 
 [[package]]
 name = "unicode-width"
-version = "0.1.9"
+version = "0.1.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
+checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
 
 [[package]]
 name = "vec_map"
@@ -739,15 +798,9 @@ checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
 
 [[package]]
 name = "version_check"
-version = "0.9.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
-
-[[package]]
-name = "wasi"
-version = "0.10.2+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
 [[package]]
 name = "wasi"
@@ -773,11 +826,11 @@ checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
 
 [[package]]
 name = "winapi-util"
-version = "0.1.5"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
 dependencies = [
- "winapi",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -788,46 +841,85 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "windows-sys"
-version = "0.36.1"
+version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea04155a16a59f9eab786fe12a4a450e75cdb175f9e0d80da1e17db09f55b8d2"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
 dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-sys"
+version = "0.59.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm",
  "windows_aarch64_msvc",
  "windows_i686_gnu",
+ "windows_i686_gnullvm",
  "windows_i686_msvc",
  "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
  "windows_x86_64_msvc",
 ]
 
 [[package]]
-name = "windows_aarch64_msvc"
-version = "0.36.1"
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9bb8c3fd39ade2d67e9874ac4f3db21f0d710bee00fe7cab16949ec184eeaa47"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
 
 [[package]]
 name = "windows_i686_gnu"
-version = "0.36.1"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "180e6ccf01daf4c426b846dfc66db1fc518f074baa793aa7d9b9aaeffad6a3b6"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
 
 [[package]]
 name = "windows_i686_msvc"
-version = "0.36.1"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2e7917148b2812d1eeafaeb22a97e4813dfa60a3f8f78ebe204bcc88f12f024"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
 
 [[package]]
 name = "windows_x86_64_gnu"
-version = "0.36.1"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4dcd171b8776c41b97521e5da127a2d86ad280114807d0b2ab1e462bc764d9e1"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
 
 [[package]]
 name = "windows_x86_64_msvc"
-version = "0.36.1"
+version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
 [[package]]
 name = "wyz"
@@ -837,9 +929,6 @@ checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"
 
 [[package]]
 name = "xdg"
-version = "2.4.1"
+version = "2.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c4583db5cbd4c4c0303df2d15af80f0539db703fa1c68802d4cbbd2dd0f88f6"
-dependencies = [
- "dirs",
-]
+checksum = "213b7324336b53d2414b2db8537e56544d981803139155afa84f76eeebb7a546"
diff --git a/manager/Cargo.toml b/manager/Cargo.toml
index 04d0b4a..0041056 100644
--- a/manager/Cargo.toml
+++ b/manager/Cargo.toml
@@ -13,6 +13,7 @@ async-recursion = "0.3.2"
 xdg = "2.2.0"
 thiserror = "1.0.24"
 toml = "0.5.8"
+eyre = "0.6.12"
 
 [dependencies.blueprint]
 git = "https://git.nubo.sh/hulthe/blueprint.git"
diff --git a/manager/src/builder.rs b/manager/src/builder.rs
index dd0b91b..a74ab20 100644
--- a/manager/src/builder.rs
+++ b/manager/src/builder.rs
@@ -3,16 +3,17 @@ use crate::Config;
 use async_recursion::async_recursion;
 use blueprint::{parse_template, Env, Value};
 use futures::future::join_all;
+use futures::TryFutureExt;
 use std::collections::HashMap;
 use std::env;
 use std::ffi::OsStr;
 use std::io::ErrorKind;
 use std::path::PathBuf;
-use std::process::Command;
 use std::str::from_utf8;
 use tokio::fs::{copy, create_dir, read_dir, read_to_string, File};
 use tokio::io::{AsyncReadExt, AsyncWriteExt};
 use tokio::join;
+use tokio::process::Command;
 
 pub const TEMPLATE_EXTENSION: &str = "tpl";
 
@@ -20,6 +21,7 @@ pub async fn build_tree(cfg: &Config) -> Result<(), Errors> {
     let mut env = Env::new();
     env.insert("hostname".into(), Value::Str(get_hostname().await));
     env.insert("username".into(), Value::Str(get_username()));
+    env.insert("os".into(), Value::Str(get_operating_system().await));
 
     debug!("trying to read {:?}", cfg.variables_path);
     if let Ok(s) = read_to_string(&cfg.variables_path).await {
@@ -31,11 +33,7 @@ pub async fn build_tree(cfg: &Config) -> Result<(), Errors> {
             let value = match toml_value {
                 toml::Value::String(s) => Value::Str(s),
                 toml::Value::Boolean(b) => Value::Bool(b),
-                _ => {
-                    return Err(InnerError::TypeErr
-                        .with_location(&cfg.variables_path)
-                        .into())
-                }
+                _ => return Err(InnerError::Type.with_location(&cfg.variables_path).into()),
             };
 
             env.insert(key, value);
@@ -170,26 +168,38 @@ fn get_username() -> String {
     env::var("USER")
         .ok()
         .or_else(|| env::var("USERNAME").ok())
-        .unwrap_or_else(String::new)
+        .unwrap_or_default()
 }
 
 async fn get_hostname() -> String {
-    async fn read_hostname_file() -> Option<String> {
-        read_to_string("/etc/hostname").await.ok()
+    async fn read_hostname_file() -> eyre::Result<String> {
+        Ok(read_to_string("/etc/hostname").await?)
     }
 
-    // TODO: should be async
-    fn run_hostname_cmd() -> Option<String> {
+    async fn run_hostname_cmd() -> eyre::Result<String> {
         Command::new("hostname")
             .output()
-            .ok()
-            .and_then(|out| from_utf8(&out.stdout).ok().map(str::to_string))
+            .await
+            .map_err(Into::into)
+            .and_then(|out| Ok(from_utf8(&out.stdout).map(str::to_string)?))
     }
 
     read_hostname_file()
+        .or_else(|_| run_hostname_cmd())
         .await
-        .or_else(run_hostname_cmd)
-        .unwrap_or_else(String::new)
+        .unwrap_or(String::new())
         .trim()
         .to_string()
 }
+
+async fn get_operating_system() -> String {
+    Command::new("uname")
+        .output()
+        .await
+        .ok()
+        .as_ref()
+        .and_then(|out| from_utf8(&out.stdout).ok())
+        .unwrap_or("unknown")
+        .trim()
+        .to_lowercase()
+}
diff --git a/manager/src/error.rs b/manager/src/error.rs
index b8d1ac0..0182692 100644
--- a/manager/src/error.rs
+++ b/manager/src/error.rs
@@ -15,16 +15,16 @@ pub struct Error {
 #[derive(Debug, Error)]
 pub enum InnerError {
     #[error("IO Error: {0}")]
-    IoErr(#[from] io::Error),
+    Io(#[from] io::Error),
 
     #[error("Failed to parse template file")]
-    TemplateErr(#[from] blueprint::Error),
+    Template(#[from] blueprint::Error),
 
     #[error("Failed to parse toml file")]
-    TomlErr(#[from] toml::de::Error),
+    Toml(#[from] toml::de::Error),
 
     #[error("Unsupported variable type")]
-    TypeErr,
+    Type,
 }
 
 impl From<Vec<Error>> for Errors {
diff --git a/manager/src/main.rs b/manager/src/main.rs
index 1b039d1..f413a12 100644
--- a/manager/src/main.rs
+++ b/manager/src/main.rs
@@ -10,7 +10,7 @@ use builder::build_tree;
 use error::Errors;
 use linker::link_tree;
 use log::LevelFilter;
-use peeker::peek_tree;
+use peeker::print_variables;
 use std::env;
 use std::path::PathBuf;
 use structopt::StructOpt;
@@ -88,8 +88,8 @@ async fn run() -> Result<(), Errors> {
     };
 
     if opt.print_variables {
-        info!("peeking tree");
-        peek_tree(&cfg).await?;
+        info!("scanning tree");
+        print_variables(&cfg).await?;
     } else {
         info!("building tree");
         build_tree(&cfg).await?;
diff --git a/manager/src/peeker.rs b/manager/src/peeker.rs
index 832207f..2ec31a6 100644
--- a/manager/src/peeker.rs
+++ b/manager/src/peeker.rs
@@ -9,7 +9,8 @@ use std::path::PathBuf;
 use tokio::fs::{read_dir, read_to_string};
 use tokio::join;
 
-pub async fn peek_tree(cfg: &Config) -> Result<(), Errors> {
+/// Iterate over the directory tree and print all variables used in all template files.
+pub async fn print_variables(cfg: &Config) -> Result<(), Errors> {
     for var in dir(cfg, PathBuf::new()).await? {
         println!("{}", var);
     }
diff --git a/tree/.config/alacritty/alacritty.toml.tpl b/tree/.config/alacritty/alacritty.toml.tpl
index 550c314..99190f0 100644
--- a/tree/.config/alacritty/alacritty.toml.tpl
+++ b/tree/.config/alacritty/alacritty.toml.tpl
@@ -83,6 +83,7 @@ style = "Bold"
 family = "SauceCodePro Nerd Font"
 {% elif hostname == "vostok" %}
 family = "Source Code Pro for Powerline"
+{% elif os == "darwin" %}
 {% else %}
 family = "monospace"
 {% end %}
@@ -93,6 +94,7 @@ style = "Italic"
 family = "SauceCodePro Nerd Font"
 {% elif hostname == "vostok" %}
 family = "Source Code Pro for Powerline"
+{% elif os == "darwin" %}
 {% else %}
 family = "monospace"
 {% end %}
@@ -103,6 +105,7 @@ style = "Regular"
 family = "SauceCodePro Nerd Font"
 {% elif hostname == "vostok" %}
 family = "Source Code Pro for Powerline"
+{% elif os == "darwin" %}
 {% else %}
 family = "monospace"
 {% end %}
@@ -366,6 +369,8 @@ program = "nu"
 [window]
 {% if demo %}
 opacity = 1.0
+{% elif os == "darwin" %}
+opacity = 0.95
 {% else %}
 opacity = 0.90
 {% end %}