mirror of
https://github.com/denoland/deno.git
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98 lines
2.4 KiB
Rust
98 lines
2.4 KiB
Rust
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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use deno_core::anyhow::Context;
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use deno_core::error::AnyError;
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use std::path::Path;
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use crate::cache::DenoDir;
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use crate::colors;
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use crate::display;
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use crate::util::progress_bar::ProgressBar;
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use crate::util::progress_bar::ProgressBarStyle;
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use crate::util::progress_bar::ProgressMessagePrompt;
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use crate::util::progress_bar::UpdateGuard;
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struct CleanState {
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files_removed: u64,
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dirs_removed: u64,
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bytes_removed: u64,
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progress_guard: UpdateGuard,
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}
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impl CleanState {
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fn update_progress(&self) {
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self
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.progress_guard
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.set_position(self.files_removed + self.dirs_removed);
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}
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}
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pub fn clean() -> Result<(), AnyError> {
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let deno_dir = DenoDir::new(None)?;
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if deno_dir.root.exists() {
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let no_of_files = walkdir::WalkDir::new(&deno_dir.root).into_iter().count();
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let progress_bar = ProgressBar::new(ProgressBarStyle::ProgressBars);
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let progress_guard =
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progress_bar.update_with_prompt(ProgressMessagePrompt::Cleaning, "");
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let mut state = CleanState {
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files_removed: 0,
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dirs_removed: 0,
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bytes_removed: 0,
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progress_guard,
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};
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state
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.progress_guard
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.set_total_size(no_of_files.try_into().unwrap());
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rm_rf(&mut state, &deno_dir.root)?;
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// Drop the guard so that progress bar disappears.
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drop(state.progress_guard);
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log::info!(
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"{} {} {}",
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colors::green("Removed"),
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deno_dir.root.display(),
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colors::gray(&format!(
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"({} files, {})",
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state.files_removed + state.dirs_removed,
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display::human_size(state.bytes_removed as f64)
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))
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);
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}
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Ok(())
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}
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fn rm_rf(state: &mut CleanState, path: &Path) -> Result<(), AnyError> {
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for entry in walkdir::WalkDir::new(path).contents_first(true) {
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let entry = entry?;
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if entry.file_type().is_dir() {
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state.dirs_removed += 1;
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state.update_progress();
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std::fs::remove_dir_all(entry.path())?;
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} else {
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remove_file(state, entry.path(), entry.metadata().ok())?;
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}
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}
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Ok(())
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}
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fn remove_file(
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state: &mut CleanState,
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path: &Path,
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meta: Option<std::fs::Metadata>,
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) -> Result<(), AnyError> {
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if let Some(meta) = meta {
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state.bytes_removed += meta.len();
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}
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state.files_removed += 1;
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state.update_progress();
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std::fs::remove_file(path)
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.with_context(|| format!("Failed to remove file: {}", path.display()))?;
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Ok(())
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}
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