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use failure::bail; use std::collections::BTreeSet; use std::env; use crate::core::PackageId; use crate::core::{PackageIdSpec, SourceId}; use crate::ops::common_for_install_and_uninstall::*; use crate::util::errors::CargoResult; use crate::util::paths; use crate::util::Config; use crate::util::Filesystem; pub fn uninstall( root: Option<&str>, specs: Vec<&str>, bins: &[String], config: &Config, ) -> CargoResult<()> { if specs.len() > 1 && !bins.is_empty() { bail!("A binary can only be associated with a single installed package, specifying multiple specs with --bin is redundant."); } let root = resolve_root(root, config)?; let scheduled_error = if specs.len() == 1 { uninstall_one(&root, specs[0], bins, config)?; false } else if specs.is_empty() { uninstall_cwd(&root, bins, config)?; false } else { let mut succeeded = vec![]; let mut failed = vec![]; for spec in specs { let root = root.clone(); match uninstall_one(&root, spec, bins, config) { Ok(()) => succeeded.push(spec), Err(e) => { crate::handle_error(&e, &mut config.shell()); failed.push(spec) } } } let mut summary = vec![]; if !succeeded.is_empty() { summary.push(format!( "Successfully uninstalled {}!", succeeded.join(", ") )); } if !failed.is_empty() { summary.push(format!( "Failed to uninstall {} (see error(s) above).", failed.join(", ") )); } if !succeeded.is_empty() || !failed.is_empty() { config.shell().status("Summary", summary.join(" "))?; } !failed.is_empty() }; if scheduled_error { bail!("some packages failed to uninstall"); } Ok(()) } pub fn uninstall_one( root: &Filesystem, spec: &str, bins: &[String], config: &Config, ) -> CargoResult<()> { let tracker = InstallTracker::load(config, root)?; let all_pkgs = tracker.all_installed_bins().map(|(pkg_id, _set)| *pkg_id); let pkgid = PackageIdSpec::query_str(spec, all_pkgs)?; uninstall_pkgid(root, tracker, pkgid, bins, config) } fn uninstall_cwd(root: &Filesystem, bins: &[String], config: &Config) -> CargoResult<()> { let tracker = InstallTracker::load(config, root)?; let source_id = SourceId::for_path(config.cwd())?; let src = path_source(source_id, config)?; let pkg = select_pkg(src, None, None, config, true, &mut |path| { path.read_packages() })?; let pkgid = pkg.package_id(); uninstall_pkgid(root, tracker, pkgid, bins, config) } fn uninstall_pkgid( root: &Filesystem, mut tracker: InstallTracker, pkgid: PackageId, bins: &[String], config: &Config, ) -> CargoResult<()> { let mut to_remove = Vec::new(); let installed = match tracker.installed_bins(pkgid) { Some(bins) => bins.clone(), None => bail!("package `{}` is not installed", pkgid), }; let dst = root.join("bin").into_path_unlocked(); for bin in &installed { let bin = dst.join(bin); if !bin.exists() { bail!( "corrupt metadata, `{}` does not exist when it should", bin.display() ) } } let bins = bins .iter() .map(|s| { if s.ends_with(env::consts::EXE_SUFFIX) { s.to_string() } else { format!("{}{}", s, env::consts::EXE_SUFFIX) } }) .collect::<BTreeSet<_>>(); for bin in bins.iter() { if !installed.contains(bin) { bail!("binary `{}` not installed as part of `{}`", bin, pkgid) } } if bins.is_empty() { to_remove.extend(installed.iter().map(|b| dst.join(b))); tracker.remove(pkgid, &installed); } else { for bin in bins.iter() { to_remove.push(dst.join(bin)); } tracker.remove(pkgid, &bins); } tracker.save()?; for bin in to_remove { config.shell().status("Removing", bin.display())?; paths::remove_file(bin)?; } Ok(()) }