Revert "Implement third-party exercises trust handling"

This reverts commit 15ca847c37c170590abe6caa53dba5606d956341.
See https://rust-lang.zulipchat.com/#narrow/stream/334454-rustlings/topic/Proposal.3A.20Third-party.20exercises/near/433183449

1 files changed, 0 insertions, 72 deletions

diff --git a/src/trust.rs b/src/trust.rs
deleted file mode 100644
index 7e36f73..0000000
--- a/src/trust.rs
+++ /dev/null
@@ -1,72 +0,0 @@
-use anyhow::{Context, Error, Result};
-use std::{
-    env,
-    fs::{self, OpenOptions},
-    io::{ErrorKind, Write},
-};
-
-const DATA_DIR_NAME: &str = "rustlings";
-const TRUSTED_DIRS_FILE_NAME: &str = "trusted-dirs.txt";
-
-pub fn trust_current_dir() -> Result<()> {
-    let mut path = dirs::data_dir().context("Failed to determine the data directory")?;
-    path.push(DATA_DIR_NAME);
-    if !path.is_dir() {
-        fs::create_dir(&path)
-            .with_context(|| format!("Failed to create the directory {}", path.display()))?;
-    }
-
-    path.push(TRUSTED_DIRS_FILE_NAME);
-    let mut file = OpenOptions::new()
-        .create(true)
-        .append(true)
-        .open(&path)
-        .with_context(|| {
-            format!(
-                "Failed to create/open the file {} in write mode",
-                path.display(),
-            )
-        })?;
-
-    let dir = env::current_dir().context("Failed to get the current directory path")?;
-    let dir = dir.to_string_lossy();
-    let mut line = Vec::with_capacity(dir.as_bytes().len() + 1);
-    line.extend_from_slice(dir.as_bytes());
-    line.push(b'\n');
-
-    file.write_all(&line)
-        .with_context(|| format!("Failed to append to the file {}", path.display()))
-}
-
-pub fn current_dir_is_trusted() -> Result<bool> {
-    let mut path = dirs::data_dir().context("Failed to determine the data directory")?;
-    path.push(DATA_DIR_NAME);
-    path.push(TRUSTED_DIRS_FILE_NAME);
-
-    let content = match fs::read(&path) {
-        Ok(v) => v,
-        Err(e) => match e.kind() {
-            ErrorKind::NotFound => return Ok(false),
-            _ => {
-                return Err(
-                    Error::from(e).context(format!("Failed to read the file {}", path.display()))
-                )
-            }
-        },
-    };
-
-    let current_dir = env::current_dir().context("Failed to get the current directory path")?;
-    let current_dir = current_dir.to_string_lossy();
-
-    for line in content.split(|c| *c == b'\n') {
-        if line.is_empty() {
-            break;
-        }
-
-        if line == current_dir.as_bytes() {
-            return Ok(true);
-        }
-    }
-
-    Ok(false)
-}