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free.rs
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#[derive(Debug, clap::Subcommand)]
#[clap(visible_alias = "no-repo")]
pub enum Subcommands {
/// Subcommands for interacting with commit-graphs
#[clap(subcommand)]
CommitGraph(commitgraph::Subcommands),
/// Subcommands for interacting with mailmaps
Mailmap {
#[clap(flatten)]
cmd: mailmap::Platform,
},
/// Subcommands for interacting with pack files and indices
#[clap(subcommand)]
Pack(pack::Subcommands),
/// Subcommands for interacting with a worktree index, typically at .git/index
Index(index::Platform),
}
///
pub mod commitgraph {
use std::path::PathBuf;
#[derive(Debug, clap::Subcommand)]
pub enum Subcommands {
/// Verify the integrity of a commit graph
Verify {
/// The path to '.git/objects/info/', '.git/objects/info/commit-graphs/', or '.git/objects/info/commit-graph' to validate.
path: PathBuf,
/// output statistical information about the pack
#[clap(long, short = 's')]
statistics: bool,
},
}
}
pub mod index {
use std::path::PathBuf;
#[derive(Debug, clap::Parser)]
pub struct Platform {
/// The object format to assume when reading files that don't inherently know about it, or when writing files.
#[clap(long, default_value_t = gix::hash::Kind::default(), value_parser = crate::shared::AsHashKind)]
pub object_hash: gix::hash::Kind,
/// The path to the index file.
#[clap(short = 'i', long, default_value = ".git/index")]
pub index_path: PathBuf,
/// Subcommands
#[clap(subcommand)]
pub cmd: Subcommands,
}
#[derive(Debug, clap::Subcommand)]
pub enum Subcommands {
/// Validate constraints and assumptions of an index along with its integrity.
Verify,
/// Print information about the index structure
Info {
/// Do not extract specific extension information to gain only a superficial idea of the index's composition.
#[clap(long)]
no_details: bool,
},
/// Checkout the index into a directory with exclusive write access, similar to what would happen during clone.
CheckoutExclusive {
/// The path to `.git` repository from which objects can be obtained to write the actual files referenced
/// in the index. Use this measure the impact on extracting objects on overall performance.
#[clap(long, short = 'r')]
repository: Option<PathBuf>,
/// Ignore errors and keep checking out as many files as possible, and report all errors at the end of the operation.
#[clap(long, short = 'k')]
keep_going: bool,
/// Enable to query the object database yet write only empty files. This is useful to measure the overhead of ODB query
/// compared to writing the bytes to disk.
#[clap(long, short = 'e', requires = "repository")]
empty_files: bool,
/// The directory into which to write all index entries.
directory: PathBuf,
},
}
}
///
pub mod pack {
use std::{ffi::OsString, path::PathBuf};
use gitoxide_core as core;
#[derive(Debug, clap::Subcommand)]
pub enum Subcommands {
/// Subcommands for interacting with pack indices (.idx)
#[clap(subcommand)]
Index(index::Subcommands),
/// Subcommands for interacting with multi-pack indices (named "multi-pack-index")
MultiIndex(multi_index::Platform),
/// Create a new pack with a set of objects.
Create {
#[clap(long, short = 'r')]
/// the directory containing the '.git' repository from which objects should be read.
repository: Option<PathBuf>,
#[clap(long, short = 'e', value_parser = AsObjectExpansion)]
/// the way objects are expanded. They differ in costs.
///
/// Possible values are "none" and "tree-traversal". Default is "none".
expansion: Option<core::pack::create::ObjectExpansion>,
#[clap(long, default_value_t = 3, requires = "nondeterministic-count")]
/// The amount of threads to use when counting and the `--nondeterminisitc-count` flag is set, defaulting
/// to the globally configured threads.
///
/// Use it to have different trade-offs between counting performance and cost in terms of CPU, as the scaling
/// here is everything but linear. The effectiveness of each core seems to be no more than 30%.
counting_threads: usize,
#[clap(long)]
/// if set, the counting phase may be accelerated using multithreading.
///
/// On the flip side, however, one will loose deterministic counting results which affects the
/// way the resulting pack is structured.
nondeterministic_count: bool,
#[clap(long, short = 's')]
/// If set statistical information will be presented to inform about pack creation details.
/// It's a form of instrumentation for developers to help improve pack generation.
statistics: bool,
#[clap(long)]
/// The size in megabytes for a cache to speed up pack access for packs with long delta chains.
/// It is shared among all threads, so 4 threads would use their own cache 1/4th of the size.
///
/// If unset, no cache will be used.
pack_cache_size_mb: Option<usize>,
#[clap(long)]
/// The size in megabytes for a cache to speed up accessing entire objects, bypassing object database access when hit.
/// It is shared among all threads, so 4 threads would use their own cache 1/4th of the size.
///
/// This cache type is currently only effective when using the 'diff-tree' object expansion.
///
/// If unset, no cache will be used.
object_cache_size_mb: Option<usize>,
#[clap(long)]
/// if set, delta-objects whose base object wouldn't be in the pack will not be recompressed as base object, but instead
/// refer to its base object using its object id.
///
/// This allows for smaller packs but requires the receiver of the pack to resolve these ids before storing the pack.
/// Packs produced with this option enabled are only valid in transit, but not at rest.
thin: bool,
/// The directory into which to write the pack file.
#[clap(long, short = 'o')]
output_directory: Option<PathBuf>,
/// The tips from which to start the commit graph iteration, either as fully qualified commit hashes
/// or as branch names.
///
/// If empty, we expect to read objects on stdin and default to 'none' as expansion mode.
/// Otherwise the expansion mode is 'tree-traversal' by default.
tips: Vec<OsString>,
},
/// Use the gix-protocol to receive a pack, emulating a clone.
#[cfg(any(feature = "gitoxide-core-async-client", feature = "gitoxide-core-blocking-client"))]
Receive {
/// The protocol version to use. Valid values are 1 and 2
#[clap(long, short = 'p')]
protocol: Option<core::net::Protocol>,
/// the directory into which to write references. Existing files will be overwritten.
///
/// Note that the directory will be created if needed.
#[clap(long, short = 'd')]
refs_directory: Option<PathBuf>,
/// The URLs or path from which to receive the pack.
///
/// See here for a list of supported URLs: <https://www.git-scm.com/docs/git-clone#_git_urls>
url: String,
/// If set once or more times, these references will be fetched instead of all advertised ones.
///
/// Note that this requires a reasonably modern git server.
#[clap(long = "reference", short = 'r')]
refs: Vec<String>,
/// The directory into which to write the received pack and index.
///
/// If unset, they will be discarded.
directory: Option<PathBuf>,
},
/// Dissolve a pack into its loose objects.
///
/// Note that this effectively removes delta compression for an average compression of 2x, creating one file per object in the process.
/// Thus this should only be done to dissolve small packs after a fetch.
Explode {
#[clap(long)]
/// Read written objects back and assert they match their source. Fail the operation otherwise.
///
/// Only relevant if an object directory is set.
verify: bool,
/// delete the pack and index file after the operation is successful
#[clap(long)]
delete_pack: bool,
/// The amount of checks to run
#[clap(
long,
short = 'c',
default_value = "all",
value_parser = AsSafetyCheck
)]
check: core::pack::explode::SafetyCheck,
/// Compress bytes even when using the sink, i.e. no object directory is specified
///
/// This helps to determine overhead related to compression. If unset, the sink will
/// only create hashes from bytes, which is usually limited by the speed at which input
/// can be obtained.
#[clap(long)]
sink_compress: bool,
/// The '.pack' or '.idx' file to explode into loose objects
pack_path: PathBuf,
/// The path into which all objects should be written. Commonly '.git/objects'
object_path: Option<PathBuf>,
},
/// Verify the integrity of a pack, index or multi-index file
Verify {
#[clap(flatten)]
args: VerifyOptions,
/// The '.pack', '.idx' or 'multi-pack-index' file to validate.
path: PathBuf,
},
}
#[derive(Debug, clap::Parser)]
pub struct VerifyOptions {
/// output statistical information
#[clap(long, short = 's')]
pub statistics: bool,
/// The algorithm used to verify packs. They differ in costs.
#[clap(
long,
short = 'a',
default_value = "less-time",
value_parser = AsAlgorithm
)]
pub algorithm: core::pack::verify::Algorithm,
#[clap(long, conflicts_with("re_encode"))]
/// Decode and parse tags, commits and trees to validate their correctness beyond hashing correctly.
///
/// Malformed objects should not usually occur, but could be injected on purpose or accident.
/// This will reduce overall performance.
pub decode: bool,
#[clap(long)]
/// Decode and parse tags, commits and trees to validate their correctness, and re-encode them.
///
/// This flag is primarily to test the implementation of encoding, and requires to decode the object first.
/// Encoding an object after decoding it should yield exactly the same bytes.
/// This will reduce overall performance even more, as re-encoding requires to transform zero-copy objects into
/// owned objects, causing plenty of allocation to occur.
pub re_encode: bool,
}
///
pub mod multi_index {
use std::path::PathBuf;
#[derive(Debug, clap::Parser)]
pub struct Platform {
/// The path to the index file.
#[clap(short = 'i', long, default_value = ".git/objects/pack/multi-pack-index")]
pub multi_index_path: PathBuf,
/// Subcommands
#[clap(subcommand)]
pub cmd: Subcommands,
}
#[derive(Debug, clap::Subcommand)]
pub enum Subcommands {
/// Display all entries of a multi-index as: *oid* *pack-id* *pack-offset*
Entries,
/// Print general information about a multi-index file
Info,
/// Verify a multi-index quickly without inspecting objects themselves
Verify,
/// Create a multi-pack index from one or more pack index files, overwriting possibly existing files.
Create {
/// Paths to the pack index files to read (with .idx extension).
///
/// Note for the multi-index to be useful, it should be side-by-side with the supplied `.idx` files.
#[clap(required = true)]
index_paths: Vec<PathBuf>,
},
}
}
///
pub mod index {
use std::path::PathBuf;
use gitoxide_core as core;
use super::AsIterationMode;
#[derive(Debug, clap::Subcommand)]
pub enum Subcommands {
/// create a pack index from a pack data file.
Create {
/// Specify how to iterate the pack, defaults to 'verify'
///
/// Valid values are
///
/// **as-is** do not do anything and expect the pack file to be valid as per the trailing hash,
/// **verify** the input ourselves and validate that it matches with the hash provided in the pack,
/// **restore** hash the input ourselves and ignore failing entries, instead finish the pack with the hash we computed
/// to keep as many objects as possible.
#[clap(
long,
short = 'i',
default_value = "verify",
value_parser = AsIterationMode
)]
iteration_mode: core::pack::index::IterationMode,
/// Path to the pack file to read (with .pack extension).
///
/// If unset, the pack file is expected on stdin.
#[clap(long, short = 'p')]
pack_path: Option<PathBuf>,
/// The folder into which to place the pack and the generated index file
///
/// If unset, only informational output will be provided to standard output.
directory: Option<PathBuf>,
},
}
}
mod clap_util {
use std::{ffi::OsStr, str::FromStr};
use clap::{
builder::{NonEmptyStringValueParser, PossibleValue, TypedValueParser},
Arg, Command, Error,
};
#[derive(Clone)]
pub struct AsObjectExpansion;
impl TypedValueParser for AsObjectExpansion {
type Value = gitoxide_core::pack::create::ObjectExpansion;
fn parse_ref(&self, cmd: &Command, arg: Option<&Arg>, value: &OsStr) -> Result<Self::Value, Error> {
NonEmptyStringValueParser::new()
.try_map(|arg| gitoxide_core::pack::create::ObjectExpansion::from_str(&arg))
.parse_ref(cmd, arg, value)
}
fn possible_values(&self) -> Option<Box<dyn Iterator<Item = PossibleValue> + '_>> {
Some(Box::new(
gitoxide_core::pack::create::ObjectExpansion::variants()
.iter()
.map(PossibleValue::new),
))
}
}
#[derive(Clone)]
pub struct AsSafetyCheck;
impl TypedValueParser for AsSafetyCheck {
type Value = gitoxide_core::pack::explode::SafetyCheck;
fn parse_ref(&self, cmd: &Command, arg: Option<&Arg>, value: &OsStr) -> Result<Self::Value, Error> {
NonEmptyStringValueParser::new()
.try_map(|arg| gitoxide_core::pack::explode::SafetyCheck::from_str(&arg))
.parse_ref(cmd, arg, value)
}
fn possible_values(&self) -> Option<Box<dyn Iterator<Item = PossibleValue> + '_>> {
Some(Box::new(
gitoxide_core::pack::explode::SafetyCheck::variants()
.iter()
.map(PossibleValue::new),
))
}
}
#[derive(Clone)]
pub struct AsAlgorithm;
impl TypedValueParser for AsAlgorithm {
type Value = gitoxide_core::pack::verify::Algorithm;
fn parse_ref(&self, cmd: &Command, arg: Option<&Arg>, value: &OsStr) -> Result<Self::Value, Error> {
NonEmptyStringValueParser::new()
.try_map(|arg| gitoxide_core::pack::verify::Algorithm::from_str(&arg))
.parse_ref(cmd, arg, value)
}
fn possible_values(&self) -> Option<Box<dyn Iterator<Item = PossibleValue> + '_>> {
Some(Box::new(
gitoxide_core::pack::verify::Algorithm::variants()
.iter()
.map(PossibleValue::new),
))
}
}
#[derive(Clone)]
pub struct AsIterationMode;
impl TypedValueParser for AsIterationMode {
type Value = gitoxide_core::pack::index::IterationMode;
fn parse_ref(&self, cmd: &Command, arg: Option<&Arg>, value: &OsStr) -> Result<Self::Value, Error> {
NonEmptyStringValueParser::new()
.try_map(|arg| gitoxide_core::pack::index::IterationMode::from_str(&arg))
.parse_ref(cmd, arg, value)
}
fn possible_values(&self) -> Option<Box<dyn Iterator<Item = PossibleValue> + '_>> {
Some(Box::new(
gitoxide_core::pack::index::IterationMode::variants()
.iter()
.map(PossibleValue::new),
))
}
}
}
use clap_util::{AsAlgorithm, AsIterationMode, AsObjectExpansion, AsSafetyCheck};
}
///
pub mod mailmap {
use std::path::PathBuf;
#[derive(Debug, clap::Parser)]
pub struct Platform {
/// The path to the mailmap file.
#[clap(short = 'p', long, default_value = ".mailmap")]
pub path: PathBuf,
/// Subcommands
#[clap(subcommand)]
pub cmd: Subcommands,
}
#[derive(Debug, clap::Subcommand)]
pub enum Subcommands {
/// Parse all entries in the mailmap and report malformed lines or collisions.
Verify,
}
}