Add initial implementation of imdl torrent verify

Adds the command `imdl` torrent verify` to verify the contents of torrents.

This implementation is extremely naive. It does successfully verify torrents,
but it will produce unsatisfying results when a torrent fails verification. In
particular, it won't give any information about which pieces in a file were
corrupt.

type: added

Cargo.toml

@@ -13,41 +13,44 @@ edition     = "2018"
 default-run = "imdl"
 
 [dependencies]
-ansi_term         = "0.12"
-atty              = "0.2"
+ansi_term         = "0.12.0"
+atty              = "0.2.0"
 chrono            = "0.4.1"
-env_logger        = "0.7"
-globset           = "0.4"
-libc              = "0.2"
-md5               = "0.7"
-pretty_assertions = "0.6"
-regex             = "1"
-serde_bencode     = "0.2"
-serde_bytes       = "0.11"
-serde_with        = "1.4"
-sha1              = "0.6"
-snafu             = "0.6"
-static_assertions = "1"
+globset           = "0.4.0"
+libc              = "0.2.0"
+md5               = "0.7.0"
+pretty_assertions = "0.6.0"
+pretty_env_logger = "0.4.0"
+regex             = "1.0.0"
+serde-hex         = "0.1.0"
+serde_bytes       = "0.11.0"
+serde_with        = "1.4.0"
+sha1              = "0.6.0"
+snafu             = "0.6.0"
+static_assertions = "1.0.0"
 syn               = "1.0.14"
-tempfile          = "3"
-unicode-width     = "0.1"
-url               = "2"
-walkdir           = "2.1"
+tempfile          = "3.0.0"
+unicode-width     = "0.1.0"
+url               = "2.0.0"
+walkdir           = "2.1.0"
 
 [dependencies.bendy]
 version  = "0.2.2"
 git      = "https://github.com/casey/bendy.git"
-branch   = "value"
+branch   = "serde"
 features = ["serde"]
 
 [dependencies.serde]
 version  = "1.0.103"
 features = ["derive"]
 
 [dependencies.structopt]
-version  = "0.3"
+version  = "0.3.0"
 features = ["default", "wrap_help"]
 
+[dev-dependencies]
+temptree = "0.0.0"
+
 [workspace]
 members = [
   # generate table of contents and table of supported BEPs in README.md

justfile

@@ -2,6 +2,10 @@ default: watch
 
 version := `sed -En 's/version[[:space:]]*=[[:space:]]*"([^"]+)"/v\1/p' Cargo.toml | head -1`
 
+bt := "0"
+
+export RUST_BACKTRACE := bt
+
 # watch filesystem for changes and rerun tests
 watch:
 	cargo watch --exec test