use std::collections::BTreeSet; use anyhow::bail;use cargo_metadata::{camino::Utf8PathBuf, Dependency, DependencyKind, Metadata, Package, Version};use git_repository::{refs::packed, Repository}; use crate::command::release::Options; mod utils;use crates_index::Index;use git_repository::hash::ObjectId;use utils::{    is_dependency_with_version_requirement, is_workspace_member, names_and_versions, package_by_id, package_by_name,    package_eq_dependency, package_for_dependency, tag_name_for, will, workspace_package_by_id,}; mod cargo;mod git;mod manifest; pub(in crate::command::release_impl) struct Context {    root: Utf8PathBuf,    meta: Metadata,    repo: Repository,    packed_refs: Option<packed::Buffer>,    index: Index,    crate_names: Vec<String>,    bump: String,    bump_dependencies: String,} impl Context {    fn new(crate_names: Vec<String>, bump: String, bump_dependencies: String) -> anyhow::Result<Self> {        let meta = cargo_metadata::MetadataCommand::new().exec()?;        let root = meta.workspace_root.clone();        let repo = git_repository::discover(&root)?;        let packed_refs = repo.refs.packed()?;        let index = Index::new_cargo_default();        Ok(Context {            root,            repo,            meta,            packed_refs,            index,            crate_names,            bump,            bump_dependencies,        })    }} /// In order to try dealing with https://github.com/sunng87/cargo-release/issues/224 and also to make workspace/// releases more selective.pub fn release(options: Options, crates: Vec<String>, bump: String, bump_dependencies: String) -> anyhow::Result<()> {    if options.dry_run_cargo_publish && !options.dry_run {        bail!("The --no-dry-run-cargo-publish flag is only effective without --execute")    }    let mut ctx = Context::new(crates, bump, bump_dependencies)?;    if options.update_crates_index {        log::info!("Updating crates-io index at '{}'", ctx.index.path().display());        ctx.index.update()?;    } else if !options.no_bump_on_demand {        log::warn!(            "Consider running with --update-crates-index to assure bumping on demand uses the latest information"        );    }    if !ctx.index.exists() {        log::warn!("Crates.io index doesn't exist. Consider using --update-crates-index to help determining if release versions are published already");    }     if ctx.crate_names.is_empty() {        let current_dir = std::env::current_dir()?;        let manifest = current_dir.join("Cargo.toml");        let dir_name = current_dir            .file_name()            .expect("a valid directory with a name")            .to_str()            .expect("directory is UTF8 representable");        let crate_name = if manifest.is_file() {            let manifest = cargo_toml::Manifest::from_path(manifest)?;            manifest.package.map_or(dir_name.to_owned(), |p| p.name)        } else {            dir_name.to_owned()        };        log::warn!(            "Using '{}' as crate name as no one was provided. Specify one if this isn't correct",            crate_name        );        ctx.crate_names = vec![crate_name];    }    release_depth_first(ctx, options)?;    Ok(())} fn release_depth_first(ctx: Context, options: Options) -> anyhow::Result<()> {    let meta = &ctx.meta;    let changed_crate_names_to_publish = if options.skip_dependencies {        ctx.crate_names.clone()    } else {        traverse_dependencies_and_find_crates_for_publishing(meta, &ctx.crate_names, &ctx, options)?    };     let crates_to_publish_together = resolve_cycles_with_publish_group(meta, &changed_crate_names_to_publish, options)?;     assure_working_tree_is_unchanged(options)?;     for publishee_name in changed_crate_names_to_publish        .iter()        .filter(|n| !crates_to_publish_together.contains(n))    {        let publishee = package_by_name(meta, publishee_name)?;         let (new_version, commit_id) = perform_single_release(meta, publishee, options, &ctx)?;        let tag_name = git::create_version_tag(publishee, &new_version, commit_id, &ctx, options)?;        git::push_tags_and_head(tag_name, options)?;    }     if !crates_to_publish_together.is_empty() {        perforrm_multi_version_release(&ctx, options, meta, crates_to_publish_together)?;    }     Ok(())} fn assure_working_tree_is_unchanged(options: Options) -> anyhow::Result<()> {    if !options.allow_dirty {        if let Err(err) = git::assure_clean_working_tree() {            if options.dry_run {                log::warn!("The working tree has changes which will prevent a release with --execute unless --allow-dirty is also specified. The latter isn't recommended.")            } else {                return Err(err);            }        }    }    Ok(())} fn perforrm_multi_version_release(    ctx: &Context,    options: Options,    meta: &Metadata,    crates_to_publish_together: Vec<String>,) -> anyhow::Result<()> {    let mut crates_to_publish_together = crates_to_publish_together        .into_iter()        .map(|name| {            let p = package_by_name(meta, &name)?;            bump_to_valid_version(                p,                select_publishee_bump_spec(&p.name, ctx),                ctx,                options.no_bump_on_demand,            )            .map(|v| (p, v.to_string()))        })        .collect::<Result<Vec<_>, _>>()?;     log::info!(        "{} prepare releases of {}",        will(options.dry_run),        names_and_versions(&crates_to_publish_together)    );     let commit_id = manifest::edit_version_and_fixup_dependent_crates(meta, &crates_to_publish_together, options, ctx)?;     crates_to_publish_together.reverse();    let mut tag_names = Vec::new();    while let Some((publishee, new_version)) = crates_to_publish_together.pop() {        let unpublished_crates: Vec<_> = crates_to_publish_together            .iter()            .map(|(p, _)| p.name.to_owned())            .collect();         cargo::publish_crate(publishee, &unpublished_crates, options)?;        if let Some(tag_name) = git::create_version_tag(publishee, &new_version, commit_id, ctx, options)? {            tag_names.push(tag_name);        };    }    git::push_tags_and_head(tag_names, options)?;    Ok(())} fn resolve_cycles_with_publish_group(    meta: &Metadata,    changed_crate_names_to_publish: &[String],    options: Options,) -> anyhow::Result<Vec<String>> {    let mut crates_to_publish_additionally_to_avoid_instability = Vec::new();    let mut publish_group = Vec::<String>::new();    for publishee_name in changed_crate_names_to_publish.iter() {        let publishee = package_by_name(meta, publishee_name)?;        let cycles = workspace_members_referring_to_publishee(meta, publishee);        if cycles.is_empty() {            log::debug!("'{}' is cycle-free", publishee.name);        } else {            for Cycle { from, hops } in cycles {                log::warn!(                    "'{}' links to '{}' {} causing publishes to never settle.",                    publishee.name,                    from.name,                    if hops == 1 {                        "directly".to_string()                    } else {                        format!("via {} hops", hops)                    }                );                if !changed_crate_names_to_publish.contains(&from.name) {                    crates_to_publish_additionally_to_avoid_instability.push(from.name.clone());                } else {                    for name in &[&from.name, &publishee.name] {                        if !publish_group.contains(name) {                            publish_group.push(name.to_string())                        }                    }                }            }        }    }    if !crates_to_publish_additionally_to_avoid_instability.is_empty() && !options.ignore_instability {        bail!(            "Refusing to publish unless --ignore-instability is provided or crate(s) {} is/are included in the publish. To avoid this, don't specify versions in your dev dependencies.",            crates_to_publish_additionally_to_avoid_instability.join(", ")        )    }    Ok(reorder_according_to_existing_order(        changed_crate_names_to_publish,        &publish_group,    ))} fn traverse_dependencies_and_find_crates_for_publishing(    meta: &Metadata,    crate_names: &[String],    ctx: &Context,    Options {        verbose,        allow_auto_publish_of_stable_crates,        ..    }: Options,) -> anyhow::Result<Vec<String>> {    let mut seen = BTreeSet::new();    let mut changed_crate_names_to_publish = Vec::new();    for crate_name in crate_names {        if seen.contains(crate_name) {            continue;        }        if dependency_tree_has_link_to_existing_crate_names(meta, crate_name, &changed_crate_names_to_publish)? {            // redo all work which includes the previous tree. Could be more efficient but that would be more complicated.            seen.clear();            changed_crate_names_to_publish.clear();        }        let num_crates_for_publishing_without_dependencies = changed_crate_names_to_publish.len();        let package = package_by_name(meta, crate_name)?;        let skipped = depth_first_traversal(            meta,            ctx,            allow_auto_publish_of_stable_crates,            &mut seen,            &mut changed_crate_names_to_publish,            package,            verbose,        )?;        if !verbose && skipped > 0 {            log::info!(                "Skipped {} dependent crates as they didn't change since their last release. Use --verbose/-v to see much more.",                skipped            );        }        if num_crates_for_publishing_without_dependencies == changed_crate_names_to_publish.len() {            let crate_package = package_by_name(meta, crate_name)?;            if !git::has_changed_since_last_release(crate_package, ctx, verbose)? {                log::info!(                    "Skipping provided {} v{} hasn't changed since last released",                    crate_package.name,                    crate_package.version                );                continue;            }        }        changed_crate_names_to_publish.push(crate_name.to_owned());        seen.insert(crate_name.to_owned());    }    Ok(changed_crate_names_to_publish)} fn depth_first_traversal(    meta: &Metadata,    ctx: &Context,    allow_auto_publish_of_stable_crates: bool,    seen: &mut BTreeSet<String>,    changed_crate_names_to_publish: &mut Vec<String>,    package: &Package,    verbose: bool,) -> anyhow::Result<usize> {    let mut skipped = 0;    for dependency in package.dependencies.iter().filter(|d| d.kind == DependencyKind::Normal) {        if seen.contains(&dependency.name) || !is_workspace_member(meta, &dependency.name) {            continue;        }        seen.insert(dependency.name.clone());        let dep_package = package_by_name(meta, &dependency.name)?;        skipped += depth_first_traversal(            meta,            ctx,            allow_auto_publish_of_stable_crates,            seen,            changed_crate_names_to_publish,            dep_package,            verbose,        )?;        if git::has_changed_since_last_release(dep_package, ctx, verbose)? {            if dep_package.version.major == 0 || allow_auto_publish_of_stable_crates {                if verbose {                    log::info!(                        "Adding {} v{} to set of published crates as it changed since last release",                        dep_package.name,                        dep_package.version                    );                }                changed_crate_names_to_publish.push(dependency.name.clone());            } else {                log::warn!(                    "{} v{} changed since last release - consider releasing it beforehand.",                    dep_package.name,                    dep_package.version                );            }        } else {            if verbose {                log::info!(                    "{} v{}  - skipped release as it didn't change",                    dep_package.name,                    dep_package.version                );            }            skipped += 1;        }    }    Ok(skipped)} fn dependency_tree_has_link_to_existing_crate_names(    meta: &Metadata,    root_name: &str,    existing_names: &[String],) -> anyhow::Result<bool> {    let mut dependency_names = vec![root_name];    let mut seen = BTreeSet::new();    while let Some(crate_name) = dependency_names.pop() {        if !seen.insert(crate_name) {            continue;        }        if existing_names.iter().any(|n| n == crate_name) {            return Ok(true);        }        dependency_names.extend(            package_by_name(meta, crate_name)?                .dependencies                .iter()                .filter(|dep| is_workspace_member(meta, &dep.name))                .map(|dep| dep.name.as_str()),        )    }    Ok(false)} fn reorder_according_to_existing_order(reference_order: &[String], names_to_order: &[String]) -> Vec<String> {    let new_order = reference_order        .iter()        .filter(|name| names_to_order.contains(name))        .fold(Vec::new(), |mut acc, name| {            acc.push(name.clone());            acc        });    assert_eq!(        new_order.len(),        names_to_order.len(),        "the reference order must contain all items to be ordered"    );    new_order} struct Cycle<'a> {    from: &'a Package,    hops: usize,} fn workspace_members_referring_to_publishee<'a>(meta: &'a Metadata, publishee: &Package) -> Vec<Cycle<'a>> {    publishee        .dependencies        .iter()        .filter(|dep| is_dependency_with_version_requirement(dep)) // unspecified versions don't matter for publishing        .filter(|dep| {            dep.kind != DependencyKind::Normal                && meta                    .workspace_members                    .iter()                    .map(|id| package_by_id(meta, id))                    .any(|potential_cycle| package_eq_dependency(potential_cycle, dep))        })        .filter_map(|dep| {            hops_for_dependency_to_link_back_to_publishee(meta, dep, publishee).map(|hops| Cycle {                hops,                from: package_by_name(meta, &dep.name).expect("package exists"),            })        })        .collect()} fn hops_for_dependency_to_link_back_to_publishee<'a>(    meta: &'a Metadata,    source: &Dependency,    destination: &Package,) -> Option<usize> {    let source = package_for_dependency(meta, source);    let mut package_ids = vec![(0, &source.id)];    let mut seen = BTreeSet::new();    while let Some((level, id)) = package_ids.pop() {        if !seen.insert(id) {            continue;        }        if let Some(package) = workspace_package_by_id(meta, id) {            if package                .dependencies                .iter()                .any(|dep| package_eq_dependency(destination, dep))            {                return Some(level + 1);            }            package_ids.extend(                package                    .dependencies                    .iter()                    .map(|dep| (level + 1, &package_for_dependency(meta, dep).id)),            );        };    }    None} #[allow(clippy::ptr_arg)]fn select_publishee_bump_spec<'a>(name: &String, ctx: &'a Context) -> &'a str {    if ctx.crate_names.contains(name) {        &ctx.bump    } else {        &ctx.bump_dependencies    }} fn perform_single_release(    meta: &Metadata,    publishee: &Package,    options: Options,    ctx: &Context,) -> anyhow::Result<(String, ObjectId)> {    let bump_spec = select_publishee_bump_spec(&publishee.name, ctx);    let new_version = bump_to_valid_version(publishee, bump_spec, ctx, options.no_bump_on_demand)?;    log::info!(        "{} prepare release of {} v{}",        will(options.dry_run),        publishee.name,        new_version    );    let new_version = new_version.to_string();    let commit_id =        manifest::edit_version_and_fixup_dependent_crates(meta, &[(publishee, new_version.clone())], options, ctx)?;    cargo::publish_crate(publishee, &[], options)?;    Ok((new_version, commit_id))} fn bump_to_valid_version(    publishee: &Package,    bump_spec: &str,    ctx: &Context,    no_bump_on_demand: bool,) -> anyhow::Result<Version> {    fn validated_new_version(        publishee: &Package,        mut new_version: Version,        ctx: &Context,        no_bump_on_demand: bool,    ) -> anyhow::Result<Version> {        let bump_on_demand = !no_bump_on_demand;        match ctx.index.crate_(&publishee.name) {            Some(existing_release) => {                let existing_version = semver::Version::parse(existing_release.latest_version().version())?;                if existing_version >= new_version {                    bail!(                    "Latest published version of '{}' is {}, the new version is {}. Consider using --bump <level> or --bump-dependencies <level>.",                    publishee.name,                    existing_release.latest_version().version(),                    new_version                );                }                if bump_on_demand && publishee.version > existing_version {                    if new_version > publishee.version {                        log::info!(                            "Using manifest version {} of crate {} instead of new version {} as it is sufficient to succeed latest published version {}.",                            publishee.version,                            publishee.name,

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