support logging

Cargo.lock

@@ -6,18 +6,47 @@ version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d7b8a9123b8027467bce0099fe556c628a53c8d83df0507084c31e9ba2e39aff"
 
+[[package]]
+name = "arrayref"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4c527152e37cf757a3f78aae5a06fbeefdb07ccc535c980a3208ee3060dd544"
+
+[[package]]
+name = "arrayvec"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cff77d8686867eceff3105329d4698d96c2391c176d5d03adc90c7389162b5b8"
+
 [[package]]
 name = "autocfg"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
 
+[[package]]
+name = "base64"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7"
+
 [[package]]
 name = "bitflags"
 version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
+[[package]]
+name = "blake2b_simd"
+version = "0.5.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d8fb2d74254a3a0b5cac33ac9f8ed0e44aa50378d9dbb2e5d83bd21ed1dc2c8a"
+dependencies = [
+ "arrayref",
+ "arrayvec",
+ "constant_time_eq",
+]
+
 [[package]]
 name = "cassowary"
 version = "0.3.0"
@@ -39,6 +68,17 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
+[[package]]
+name = "chrono"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80094f509cf8b5ae86a4966a39b3ff66cd7e2a3e594accec3743ff3fabeab5b2"
+dependencies = [
+ "num-integer",
+ "num-traits",
+ "time",
+]
+
 [[package]]
 name = "cloudabi"
 version = "0.0.3"
@@ -48,6 +88,23 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "constant_time_eq"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "245097e9a4535ee1e3e3931fcfcd55a796a44c643e8596ff6566d68f09b87bbc"
+
+[[package]]
+name = "crossbeam-utils"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+dependencies = [
+ "autocfg",
+ "cfg-if",
+ "lazy_static",
+]
+
 [[package]]
 name = "crossterm"
 version = "0.14.2"
@@ -98,6 +155,28 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
+[[package]]
+name = "dirs"
+version = "2.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "13aea89a5c93364a98e9b37b2fa237effbb694d5cfe01c5b70941f7eb087d5e3"
+dependencies = [
+ "cfg-if",
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "afa0b23de8fd801745c471deffa6e12d248f962c9fd4b4c33787b055599bde7b"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "redox_users",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "either"
 version = "1.5.3"
@@ -120,6 +199,17 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 
+[[package]]
+name = "getrandom"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7abc8dd8451921606d809ba32e95b6111925cd2906060d2dcc29c070220503eb"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
 [[package]]
 name = "git2"
 version = "0.10.2"
@@ -140,8 +230,11 @@ name = "gitui"
 version = "0.1.0"
 dependencies = [
  "crossterm 0.15.0",
+ "dirs",
  "git2",
  "itertools 0.9.0",
+ "log",
+ "simplelog",
  "tui",
 ]
 
@@ -320,6 +413,25 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
+[[package]]
+name = "num-integer"
+version = "0.1.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f6ea62e9d81a77cd3ee9a2a5b9b609447857f3d358704331e4ef39eb247fcba"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c62be47e61d1842b9170f0fdeec8eba98e60e90e5446449a0545e5152acd7096"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "openssl-probe"
 version = "0.1.2"
@@ -381,6 +493,29 @@ version = "0.1.56"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 
+[[package]]
+name = "redox_users"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09b23093265f8d200fa7b4c2c76297f47e681c655f6f1285a8780d6a022f7431"
+dependencies = [
+ "getrandom",
+ "redox_syscall",
+ "rust-argon2",
+]
+
+[[package]]
+name = "rust-argon2"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bc8af4bda8e1ff4932523b94d3dd20ee30a87232323eda55903ffd71d2fb017"
+dependencies = [
+ "base64",
+ "blake2b_simd",
+ "constant_time_eq",
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -408,6 +543,17 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "simplelog"
+version = "0.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05a3e303ace6adb0a60a9e9e2fbc6a33e1749d1e43587e2125f7efa9c5e107c5"
+dependencies = [
+ "chrono",
+ "log",
+ "term",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.2"
@@ -420,6 +566,27 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5c2fb2ec9bcd216a5b0d0ccf31ab17b5ed1d627960edff65bbe95d3ce221cefc"
 
+[[package]]
+name = "term"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c0863a3345e70f61d613eab32ee046ccd1bcc5f9105fe402c61fcd0c13eeb8b5"
+dependencies = [
+ "dirs",
+ "winapi 0.3.8",
+]
+
+[[package]]
+name = "time"
+version = "0.1.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
+dependencies = [
+ "libc",
+ "redox_syscall",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "tui"
 version = "0.8.0"
@@ -483,6 +650,12 @@ version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fc439f2794e98976c88a2a2dafce96b930fe8010b0a256b3c2199a773933168"
 
+[[package]]
+name = "wasi"
+version = "0.9.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
+
 [[package]]
 name = "winapi"
 version = "0.2.8"

Cargo.toml

@@ -11,4 +11,7 @@ edition = "2018"
 git2 = "0.10"
 crossterm = "0.15"
 itertools = "0.9"
+log = "0.4"
+simplelog = "0.7"
+dirs = "2.0"
 tui = { version = "0.8", default-features = false, features = ['crossterm'] }

src/app.rs

@@ -9,6 +9,7 @@ use crate::{
 use crossterm::event::Event;
 use git2::StatusShow;
 use itertools::Itertools;
+use log::trace;
 use std::{borrow::Cow, path::Path};
 use tui::{
     backend::Backend,
@@ -136,6 +137,7 @@ impl App {
 
     ///
     pub fn event(&mut self, ev: Event) {
+        trace!("event: {:?}", ev);
         if self.commit.event(ev) {
             return;
         }
@@ -189,6 +191,7 @@ impl App {
 
     ///
     pub fn update(&mut self) {
+        trace!("update");
         self.index.update();
         self.index_wd.update();
         self.update_diff();

src/main.rs

@@ -18,10 +18,12 @@ use crossterm::{
     },
     ExecutableCommand, Result,
 };
-use std::io;
+use simplelog::*;
+use std::{env, fs, fs::File, io};
 use tui::{backend::CrosstermBackend, Terminal};
 
 fn main() -> Result<()> {
+    setup_logging();
     enable_raw_mode()?;
     io::stdout()
         .execute(EnterAlternateScreen)?
@@ -60,3 +62,18 @@ fn main() -> Result<()> {
     disable_raw_mode()?;
     Ok(())
 }
+
+fn setup_logging() {
+    if env::var("GITUI_LOGGING").is_ok() {
+        let mut path = dirs::home_dir().unwrap();
+        path.push(".gitui");
+        path.push("gitui.log");
+        fs::create_dir(path.parent().unwrap()).unwrap_or_default();
+
+        let _ = WriteLogger::init(
+            LevelFilter::Trace,
+            Config::default(),
+            File::create(path).unwrap(),
+        );
+    }
+}