add work_dir option

Dockerfile

@@ -1,8 +1,9 @@
-FROM rust:latest
+FROM rust:slim
 
 WORKDIR /usr/src/refractr
 COPY . .
 
-RUN cargo install --path .
+RUN cargo build --release
+RUN cargo install --locked --path .
 
 CMD ["refractr"]

src/common.rs

@@ -1,6 +1,8 @@
 
 pub struct Refractr {
-  pub verbose: u8
+  pub verbose: u8,
+  pub pid: u32,
+  pub unix: bool
 }
 
 pub fn verbose(level: u8, msg_lvl: u8, msg: String) {

src/config.rs

@@ -3,6 +3,7 @@ use core::fmt;
 use std::io::Read;
 use std::path::PathBuf;
 use std::fs;
+use std::env;
 use std::fs::{File, Metadata};
 use toml;
 use serde_derive::Deserialize;
@@ -39,36 +40,54 @@ impl fmt::Display for ConfigFile {
     };
     to_list.push(']');
 
-    write!(f, "Config file: \"{}\"\n  \
-        Is a file: {}\n  \
-        Read only: {}\n  \
-        Configuration:\n    \
-        Git repo to clone: {}\n    \
-        Git repos to push clone to: {}\n    \
-        Branches of clone to push: {}\n    \
-        SSH key for pushing clone: {}\n    \
-        Schedule enabled: {}\n\
+    let work_dir_path = match &self.config.work_dir {
+      None => {
+        if cfg!(windows) {
+          format!("Using default \"{}\\refractr\"", match env::var("TEMP") {
+            Ok(val) => val,
+            Err(_) => format!("This shouldn't happen!")
+          })
+        } else {
+          format!("Using default: /tmp/refractr")
+        }
+      },
+      Some(path) => format!("{}", path)
+    };
+
+    let schedule_interval = match self.config.schedule.interval {
+      None => {
+        if !self.config.schedule.enabled {
+          String::from("")
+        } else {
+          String::from("This shouldn't happen!\n")
+        }
+      },
+      Some(int) => format!("\n        Scheduled interval in seconds: {}", int.to_string())
+    };
+
+    write!(f, "Config file: \"{}\"\n      \
+        Is a file: {}\n      \
+        Read only: {}\n      \
+        Configuration:\n        \
+        Git repo to clone: {}\n        \
+        Git repos to push clone to: {}\n        \
+        Branches of clone to push: {}\n        \
+        Working directory: {}\n        \
+        SSH key for pushing clone: {}\n        \
+        Schedule enabled: {}\
         {}"
       , self.path, self.file.is_file(), self.file.permissions().readonly(), self.config.from
-      , to_list, branches_list, self.config.git.ssh_identity_file, self.config.schedule.enabled
-      , match self.config.schedule.interval {
-        None => {
-          if !self.config.schedule.enabled {
-            String::from("")
-          } else {
-            String::from("This shouldn't happen!\n")
-          }
-        },
-        Some(int) => format!("    Scheduled interval in seconds: {}\n", int.to_string())
-      })
+      , to_list, branches_list, work_dir_path, self.config.git.ssh_identity_file, self.config.schedule.enabled
+      , schedule_interval)
   }
 }
 
 #[derive(Deserialize)]
-struct Config {
+pub struct Config {
   from: String,
   to: Vec<String>,
   branches: Option<Vec<String>>,
+  work_dir: Option<String>,
   git: Git,
   schedule: Schedule
 }
@@ -87,9 +106,7 @@ struct Schedule {
 pub fn read_config(paths: Vec<PathBuf>, refractr: &common::Refractr) -> Vec<ConfigFile> {
   let mut config_files: Vec<ConfigFile> = vec![];
   for path in paths {
-    if refractr.verbose >= 1 {
-      common::verbose(refractr.verbose, 1, format!("Reading config file: \"{}\"", String::from(path.to_string_lossy())));
-    }
+    common::verbose(refractr.verbose, 1, format!("Reading config file: \"{}\"", String::from(path.to_string_lossy())));
     let mut data = String::new();
     let mut file = match File::open(path.as_path()) {
       Err(e) => panic!("refractr: unable to open {}: {}", path.as_path().display(), e),
@@ -103,11 +120,12 @@ pub fn read_config(paths: Vec<PathBuf>, refractr: &common::Refractr) -> Vec<Conf
     let config_file = ConfigFile {
       path: String::from(path.to_string_lossy()),
       file: match fs::metadata(&path) {
-        Err(e) => panic!("refractr: cannot obtain metadata: {}", path.as_path().display()),
+        Err(_) => panic!("refractr: cannot obtain metadata: {}", path.as_path().display()),
         Ok(metadata) => metadata
       },
       config: verify_config(toml::from_str(&data).unwrap())
     };
+
     config_files.push(config_file);
   }
 
@@ -119,5 +137,19 @@ fn verify_config(config: Config) -> Config {
     assert_ne!(config.schedule.interval, None);
   }
 
+  assert_ne!("", match &config.work_dir {
+    Some(path) => format!("{}", path),
+    None => {
+      if cfg!(windows) {
+        match env::var("TEMP") {
+          Ok(val) => val,
+          Err(_) => format!("")
+        }
+      } else {
+        format!("/tmp/refractr")
+      }
+    },
+  });
+
   return config;
 }

src/example/config.toml

@@ -18,6 +18,11 @@
 # This field is OPTIONAL, will default to ["master"] if omitted
 #branches = ["master"]
 
+# The "work_dir" field is where refractr will write the clone to
+# This field is OPTIONAL, will default to /tmp/refractr on *NIX and
+#   $env:TEMP\refractr on Windows
+#work_dir = /tmp/refractr
+
 [git]
 # The "ssh_identity_file" is your private SSH key that you will use to push updates
 #   from the original repository.

src/main.rs

@@ -3,6 +3,7 @@ mod config;
 
 use clap::Parser;
 use std::path::PathBuf;
+use std::process;
 
 #[derive(Parser)]
 #[command(name = "refractor")]
@@ -23,27 +24,26 @@ struct Args {
 fn main() {
   let args = Args::parse();
   let refractr = common::Refractr {
-    verbose: args.verbose
+    verbose: args.verbose,
+    pid: process::id(),
+    unix: cfg!(unix)
   };
-  if refractr.verbose >= 1 {
-    common::verbose(refractr.verbose, 1, format!("Level {} verbosity enabled", refractr.verbose.to_string()));
-  }
 
+  common::verbose(refractr.verbose, 1, format!("Level {} verbosity enabled", refractr.verbose.to_string()));
   common::verbose(refractr.verbose, 2, format!("Checking for create flag"));
   if args.create {
-    common::verbose(refractr.verbose, 2, format!("Printing sample config"));
+    common::verbose(refractr.verbose, 3, format!("Printing sample config"));
     let example = include_str!("example/config.toml");
     println!("{}", example);
   } else {
     let cfgs = config::read_config(args.config, &refractr);
     if refractr.verbose >= 2 {
+      // no need to loop over configs if verbose is not at the correct level
       for i in cfgs {
         common::verbose(refractr.verbose, 2, format!("{}", i));
       }
     }
 
-    if refractr.verbose >= 1 {
-      common::verbose(refractr.verbose, 1, format!("Config file(s) read successfully"));
-    }
+    common::verbose(refractr.verbose, 1, format!("Config file(s) read successfully"));
   }
 }