Fix path error on initial run (#313)

Fixes #312 

This isn't idiomatic but it'll do for the time being

Cargo.lock

@@ -250,7 +250,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "navi"
-version = "2.4.0"
+version = "2.4.1"
 dependencies = [
  "anyhow 1.0.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "navi"
-version = "2.4.0"
+version = "2.4.1"
 authors = ["Denis Isidoro <denis_isidoro@live.com>"]
 edition = "2018"
 description = "An interactive cheatsheet tool for the command-line"

scripts/docker

@@ -5,7 +5,11 @@ export NAVI_HOME="$(cd "$(dirname "$0")/.." && pwd)"
 
 cd "$NAVI_HOME"
 
+./scripts/action release x86_64-unknown-linux-musl
+
 docker run \
    -e HOMEBREW_NO_AUTO_UPDATE=1 \
-   -it linuxbrew/alpine \
-   bash -c 'brew install denisidoro/tools/navirs; bash'
+   -e HOMEBREW_NO_INSTALL_CLEANUP=1 \
+   -v "$(pwd):/navi" \
+   -it 'bashell/alpine-bash' \
+   bash -c 'apk add git; apk add curl; git clone --depth 1 https://github.com/junegunn/fzf.git ~/.fzf && yes | ln -s /navi/target/debug/navi /usr/local/bin/navi; source $HOME/.bashrc; bash'

src/flows/repo.rs

@@ -50,7 +50,7 @@ pub fn add(uri: String) -> Result<(), Error> {
     let tmp_path_str = filesystem::tmp_path_str()?;
     let tmp_path_str_with_trailing_slash = format!("{}/", &tmp_path_str);
 
-    filesystem::remove_dir(&tmp_path_str)?;
+    let _ = filesystem::remove_dir(&tmp_path_str);
     filesystem::create_dir(&tmp_path_str)?;
 
     eprintln!("Cloning {} into {}...\n", &actual_uri, &tmp_path_str);

src/parser.rs

@@ -3,10 +3,7 @@ use crate::filesystem;
 use crate::structures::cheat::VariableMap;
 use crate::structures::fnv::HashLine;
 use crate::structures::fzf::{Opts as FzfOpts, SuggestionType};
-use crate::structures::{
-    error::filesystem::{InvalidPath, UnreadableDir},
-    option::Config,
-};
+use crate::structures::{error::filesystem::InvalidPath, option::Config};
 use crate::welcome;
 use anyhow::{Context, Error};
 use regex::Regex;
@@ -226,21 +223,30 @@ pub fn read_all(
     let mut variables = VariableMap::new();
     let mut found_something = false;
     let mut visited_lines = HashSet::new();
-    let paths = filesystem::cheat_paths(config)?;
+    let paths = filesystem::cheat_paths(config);
+
+    if paths.is_err() {
+        welcome::cheatsheet(stdin);
+        return Ok(variables);
+    }
+
+    let paths = paths.expect("Unable to get paths");
     let folders = paths_from_path_param(&paths);
 
     for folder in folders {
         if let Ok(dir_entries) = fs::read_dir(folder) {
             for entry in dir_entries {
-                let path = entry.map_err(|e| UnreadableDir::new(folder, e))?.path();
-                let path_str = path
-                    .to_str()
-                    .ok_or_else(|| InvalidPath(path.to_path_buf()))?;
-                if path_str.ends_with(".cheat")
-                    && read_file(path_str, &mut variables, &mut visited_lines, stdin).is_ok()
-                    && !found_something
-                {
-                    found_something = true;
+                if entry.is_ok() {
+                    let path = entry.expect("Impossible to read an invalid entry").path();
+                    let path_str = path
+                        .to_str()
+                        .ok_or_else(|| InvalidPath(path.to_path_buf()))?;
+                    if path_str.ends_with(".cheat")
+                        && read_file(path_str, &mut variables, &mut visited_lines, stdin).is_ok()
+                        && !found_something
+                    {
+                        found_something = true;
+                    }
                 }
             }
         }