From 8d2e010849b64fc2d76c15b26c73a31786384481 Mon Sep 17 00:00:00 2001
From: Ivan Tham <pickfire@riseup.net>
Date: Thu, 3 Jun 2021 00:19:56 +0800
Subject: [PATCH] Default log file to cache

---
 helix-core/src/lib.rs  | 11 ++++++++++-
 helix-term/src/main.rs | 21 +++++++++++++--------
 2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/helix-core/src/lib.rs b/helix-core/src/lib.rs
index d5b0cd1566740..3e00081f50ad7 100644
--- a/helix-core/src/lib.rs
+++ b/helix-core/src/lib.rs
@@ -58,13 +58,22 @@ pub fn runtime_dir() -> std::path::PathBuf {
 
 pub fn config_dir() -> std::path::PathBuf {
     // TODO: allow env var override
-    use etcetera::base_strategy::{choose_base_strategy, BaseStrategy};
     let strategy = choose_base_strategy().expect("Unable to find the config directory!");
     let mut path = strategy.config_dir();
     path.push("helix");
     path
 }
 
+pub fn cache_dir() -> std::path::PathBuf {
+    // TODO: allow env var override
+    let strategy = choose_base_strategy().expect("Unable to find the config directory!");
+    let mut path = strategy.cache_dir();
+    path.push("helix");
+    path
+}
+
+use etcetera::base_strategy::{choose_base_strategy, BaseStrategy};
+
 pub use ropey::{Rope, RopeSlice};
 
 pub use tendril::StrTendril as Tendril;
diff --git a/helix-term/src/main.rs b/helix-term/src/main.rs
index 3a0f4d204ff4f..44a3c4d020be5 100644
--- a/helix-term/src/main.rs
+++ b/helix-term/src/main.rs
@@ -8,13 +8,11 @@ mod ui;
 
 use application::Application;
 
-use helix_core::config_dir;
-
 use std::path::PathBuf;
 
 use anyhow::{Context, Result};
 
-fn setup_logging(verbosity: u64) -> Result<()> {
+fn setup_logging(logpath: PathBuf, verbosity: u64) -> Result<()> {
     let mut base_config = fern::Dispatch::new();
 
     // Let's say we depend on something which whose "info" level messages are too
@@ -40,7 +38,7 @@ fn setup_logging(verbosity: u64) -> Result<()> {
                 message
             ))
         })
-        .chain(fern::log_file(config_dir().join("helix.log"))?);
+        .chain(fern::log_file(logpath)?);
 
     base_config.chain(file_config).apply()?;
 
@@ -52,6 +50,12 @@ pub struct Args {
 }
 
 fn main() -> Result<()> {
+    let cache_dir = helix_core::cache_dir();
+    if !cache_dir.exists() {
+        std::fs::create_dir(&cache_dir);
+    }
+
+    let logpath = cache_dir.join("helix.log");
     let help = format!(
         "\
 {} {}
@@ -67,12 +71,14 @@ ARGS:
 FLAGS:
     -h, --help       Prints help information
     -v               Increases logging verbosity each use for up to 3 times
+                     (default file: {})
     -V, --version    Prints version information
 ",
         env!("CARGO_PKG_NAME"),
         env!("CARGO_PKG_VERSION"),
         env!("CARGO_PKG_AUTHORS"),
         env!("CARGO_PKG_DESCRIPTION"),
+        logpath.display(),
     );
 
     let mut pargs = pico_args::Arguments::from_env();
@@ -89,13 +95,12 @@ FLAGS:
         verbosity = 1;
     }
 
-    let conf_dir = config_dir();
-
+    let conf_dir = helix_core::config_dir();
     if !conf_dir.exists() {
         std::fs::create_dir(&conf_dir);
     }
 
-    setup_logging(verbosity).context("failed to initialize logging")?;
+    setup_logging(logpath, verbosity).context("failed to initialize logging")?;
 
     let args = Args {
         files: pargs.finish().into_iter().map(|arg| arg.into()).collect(),
@@ -105,7 +110,7 @@ FLAGS:
     use helix_core::syntax::{Loader, LOADER};
 
     // load $HOME/.config/helix/languages.toml, fallback to default config
-    let config = std::fs::read(config_dir().join("languages.toml"));
+    let config = std::fs::read(helix_core::config_dir().join("languages.toml"));
     let toml = config
         .as_deref()
         .unwrap_or(include_bytes!("../../languages.toml"));