Use pretty_env_logger

Cargo.lock

@@ -1032,6 +1032,16 @@ name = "ppv-lite86"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "pretty_env_logger"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "chrono 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "0.4.30"
@@ -1883,7 +1893,6 @@ dependencies = [
  "chrono 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "console 0.7.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "directories 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1891,6 +1900,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "nix 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pretty_env_logger 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-ini 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "self_update 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2241,6 +2251,7 @@ dependencies = [
 "checksum pkg-config 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c1d2cfa5a714db3b5f24f0915e74fcdf91d09d496ba61329705dda7774d2af"
 "checksum podio 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "780fb4b6698bbf9cf2444ea5d22411cef2953f0824b98f33cf454ec5615645bd"
 "checksum ppv-lite86 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e3cbf9f658cdb5000fcf6f362b8ea2ba154b9f146a61c7a20d647034c6b6561b"
+"checksum pretty_env_logger 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "df8b3f4e0475def7d9c2e5de8e5a1306949849761e107b360d03e98eafaffd61"
 "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
 "checksum publicsuffix 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5afecba86dcf1e4fd610246f89899d1924fe12e1e89f555eb7c7f710f3c5ad1d"
 "checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"

Cargo.toml

@@ -20,7 +20,6 @@ which_crate = { version = "2.0.1", package =  "which" }
 shellexpand = "1.0.0"
 structopt = "0.2.16"
 log = "0.4.6"
-env_logger = "0.6.1"
 walkdir = "2.2.7"
 console = "0.7.5"
 self_update_crate = { version = "0.5.1", optional = true, package =  "self_update" }
@@ -31,6 +30,7 @@ tokio = "0.1.21"
 tokio-process = "0.2.3"
 futures = "0.1.27"
 openssl-probe = { version = "0.1.2", optional = true }
+pretty_env_logger = "0.3.0"
 
 [target.'cfg(unix)'.dependencies]
 nix = "0.14.0"

src/main.rs

@@ -15,11 +15,11 @@ use self::error::{Error, ErrorKind};
 use self::report::Report;
 use self::steps::*;
 use self::terminal::*;
-use env_logger::Env;
 use failure::{Fail, ResultExt};
-use log::debug;
+use log::{debug, LevelFilter};
 #[cfg(feature = "self-update")]
 use openssl_probe;
+use pretty_env_logger::formatted_timed_builder;
 use std::borrow::Cow;
 use std::env;
 use std::fmt::Debug;
@@ -75,11 +75,13 @@ fn run() -> Result<(), Error> {
         }
     }
 
-    let mut env = Env::default();
+    let mut builder = formatted_timed_builder();
+
     if config.verbose() {
-        env = env.filter_or("LOG_LEVEL", "topgrade=debug");
+        builder.filter(Some("topgrade"), LevelFilter::Debug);
     }
-    env_logger::init_from_env(env);
+
+    builder.init();
 
     let git = git::Git::new();
     let mut git_repos = git::Repositories::new(&git);