add slog

4 files changed, 206 insertions, 7 deletions

diff --git a/Cargo.lock b/Cargo.lock
index b4c718b..0f74407 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -29,6 +29,15 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "chrono"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "clap"
 version = "2.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -70,6 +79,9 @@ version = "0.1.0"
 dependencies = [
  "clap 2.30.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "git2 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-async 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-term 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -96,6 +108,31 @@ dependencies = [
 ]
 
 [[package]]
+name = "isatty"
+version = "0.1.6"
+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 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "kernel32-sys"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "libc"
 version = "0.2.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -144,6 +181,38 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "num"
+version = "0.1.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num-integer 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-iter 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num-traits 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "num-iter"
+version = "0.1.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "num-integer 0.1.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "openssl-probe"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -183,11 +252,52 @@ dependencies = [
 ]
 
 [[package]]
+name = "slog"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "slog-async"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "slog 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "take_mut 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "slog-term"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "isatty 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "term 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "strsim"
 version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "take_mut"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "term"
+version = "0.4.6"
+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)",
+ "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"
@@ -206,6 +316,25 @@ dependencies = [
 ]
 
 [[package]]
+name = "thread_local"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "time"
+version = "0.1.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "unicode-bidi"
 version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -224,6 +353,14 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "unreachable"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
 name = "url"
 version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -244,6 +381,16 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
+name = "void"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "winapi"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "winapi"
 version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -253,6 +400,11 @@ dependencies = [
 ]
 
 [[package]]
+name = "winapi-build"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -268,31 +420,50 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4efd02e230a02e18f92fc2735f44597385ed02ad8f831e7c1c1156ee5e1ab3a5"
 "checksum bitflags 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b3c30d3802dfb7281680d6285f2ccdaa8c2d8fee41f93805dba5c4cf50dc23cf"
 "checksum cc 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "deaf9ec656256bb25b404c51ef50097207b9cbb29c933d31f92cae5a8a0ffee0"
+"checksum chrono 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7c20ebe0b2b08b0aeddba49c609fe7957ba2e33449882cb186a180bc60682fa9"
 "checksum clap 2.30.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1c07b9257a00f3fc93b7f3c417fc15607ec7a56823bc2c37ec744e266387de5b"
 "checksum cmake 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)" = "56d741ea7a69e577f6d06b36b7dff4738f680593dc27a701ffa8506b73ce28bb"
 "checksum curl-sys 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f46e49c7125131f5afaded06944d6888b55cbdf8eba05dae73c954019b907961"
 "checksum git2 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "ee5b4bb7cd2a44e6e5ee3a26ba6a9ca10d4ce2771cdc3839bbc54b47b7d1be84"
 "checksum idna 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "014b298351066f1512874135335d62a789ffe78a9974f94b43ed5621951eaf7d"
+"checksum isatty 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "8f2a233726c7bb76995cec749d59582e5664823b7245d4970354408f1d79a7a2"
+"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
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diff --git a/Cargo.toml b/Cargo.toml
index 769a467..b7456a0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,3 +6,6 @@ authors = ["tummychow <tummychow@users.noreply.github.com>"]
 [dependencies]
 git2 = "~0.6"
 clap = "~2.30"
+slog = "~2.1"
+slog-term = "~2.3"
+slog-async = "~2.2"
diff --git a/src/lib.rs b/src/lib.rs
index ada8d97..839602c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,16 +1,18 @@
 extern crate git2;
+#[macro_use]
+extern crate slog;
 
 use std::error::Error;
 
-pub struct Config {
+pub struct Config<'a> {
     pub dry_run: bool,
     pub force: bool,
-    pub verbose: bool,
+    pub logger: &'a slog::Logger,
 }
 
 pub fn run(config: &Config) -> Result<(), Box<Error>> {
     let repo = git2::Repository::open_from_env()?;
-    println!("{:?}", repo.path());
+    debug!(config.logger, "repository found"; "path" => repo.path().to_str());
 
     Ok(())
 }
@@ -25,7 +27,7 @@ mod tests {
             run(&Config {
                 dry_run: false,
                 force: false,
-                verbose: false,
+                logger: &slog::Logger::root(slog::Discard, o!()),
             }).is_ok()
         );
     }
diff --git a/src/main.rs b/src/main.rs
index 8faa240..dbf6c4c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,8 +1,13 @@
 #[macro_use]
 extern crate clap;
 extern crate git_absorb;
+#[macro_use]
+extern crate slog;
+extern crate slog_async;
+extern crate slog_term;
 
 use std::process;
+use slog::Drain;
 
 fn main() {
     let args = app_from_crate!()
@@ -29,14 +34,32 @@ fn main() {
                 .takes_value(false),
         )
         .get_matches();
-    println!("{:?}", args);
+
+    let decorator = slog_term::TermDecorator::new().build();
+    let drain = slog_term::FullFormat::new(decorator).build().fuse();
+    let drain = slog_async::Async::new(drain).build().fuse();
+    let drain = slog::LevelFilter::new(
+        drain,
+        if args.is_present("verbose") {
+            slog::Level::Debug
+        } else {
+            slog::Level::Warning
+        },
+    ).fuse();
+    let logger = slog::Logger::root(
+        drain,
+        o!(
+            "module" => slog::FnValue(|record| {record.module()}),
+            "line" => slog::FnValue(|record| {record.line()}),
+        ),
+    );
 
     if let Err(e) = git_absorb::run(&git_absorb::Config {
         dry_run: args.is_present("dry-run"),
         force: args.is_present("force"),
-        verbose: args.is_present("verbose"),
+        logger: &logger,
     }) {
-        eprintln!("error: {:?}", e);
+        crit!(logger, "absorb failed"; "err" => e.description());
         process::exit(1);
     }
 }