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use clap::{self, AppSettings, SubCommand, App, Arg};
use self::super::ops::ConfigOperation;
use std::env::{self, home_dir};
use array_tool::vec::Uniq;
use std::path::PathBuf;
use std::fs;
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct Options {
pub to_update: Vec<String>,
pub update: bool,
pub install: bool,
pub force: bool,
pub crates_file: (String, PathBuf),
pub cargo_dir: (String, PathBuf),
}
#[derive(Debug, Clone, Hash, PartialEq, Eq)]
pub struct ConfigOptions {
pub crates_file: (String, PathBuf),
pub package: String,
pub ops: Vec<ConfigOperation>,
}
impl Options {
pub fn parse() -> Options {
let matches = App::new("cargo-install-update")
.bin_name("cargo")
.settings(&[AppSettings::ColoredHelp, AppSettings::ArgRequiredElseHelp, AppSettings::GlobalVersion, AppSettings::SubcommandRequired])
.subcommand(SubCommand::with_name("install-update")
.version(crate_version!())
.author(crate_authors!("\n"))
.about("A cargo subcommand for checking and applying updates to installed executables")
.args(&[Arg::from_usage("-c --cargo-dir=[CARGO_DIR] 'The cargo home directory. Default: $CARGO_HOME or $HOME/.cargo'")
.visible_alias("root")
.validator(cargo_dir_validator),
Arg::from_usage("-a --all 'Update all packages'").conflicts_with("PACKAGE"),
Arg::from_usage("-l --list 'Don't update packages, only list and check if they need an update'"),
Arg::from_usage("-f --force 'Update all packages regardless if they need updating'"),
Arg::from_usage("-i --allow-no-update 'Allow for fresh-installing packages'"),
Arg::from_usage("<PACKAGE>... 'Packages to update'").conflicts_with("all").empty_values(false).min_values(1)]))
.get_matches();
let matches = matches.subcommand_matches("install-update").unwrap();
let cdir = cargo_dir();
Options {
to_update: if matches.is_present("all") {
vec![]
} else {
let packages: Vec<_> = matches.values_of("PACKAGE").unwrap().map(String::from).collect();
packages.unique()
},
update: !matches.is_present("list"),
install: matches.is_present("allow-no-update"),
force: matches.is_present("force"),
crates_file: match matches.value_of("cargo-dir") {
Some(dir) => (format!("{}/.crates.toml", dir), fs::canonicalize(dir).unwrap().join(".crates.toml")),
None => {
match env::var("CARGO_INSTALL_ROOT").map_err(|_| ()).and_then(|ch| fs::canonicalize(ch).map_err(|_| ())) {
Ok(ch) => ("$CARGO_INSTALL_ROOT/.crates.toml".to_string(), ch.join(".crates.toml")),
Err(()) => (format!("{}/.crates.toml", cdir.0), cdir.1.join(".crates.toml")),
}
}
},
cargo_dir: cdir,
}
}
}
impl ConfigOptions {
pub fn parse() -> ConfigOptions {
let matches = App::new("cargo-install-update-config")
.bin_name("cargo")
.settings(&[AppSettings::ColoredHelp, AppSettings::ArgRequiredElseHelp, AppSettings::GlobalVersion, AppSettings::SubcommandRequired])
.subcommand(SubCommand::with_name("install-update-config")
.version(crate_version!())
.author(crate_authors!("\n"))
.about("A cargo subcommand for checking and applying updates to installed executables -- configuration")
.args(&[Arg::from_usage("-c --cargo-dir=[CARGO_DIR] 'The cargo home directory. Default: $CARGO_HOME or $HOME/.cargo'")
.validator(cargo_dir_validator),
Arg::from_usage("-t --toolchain=[TOOLCHAIN] 'Toolchain to use or empty for default'"),
Arg::from_usage("-f --feature=[FEATURE]... 'Feature to enable'"),
Arg::from_usage("-n --no-feature=[DISABLED_FEATURE]... 'Feature to disable'"),
Arg::from_usage("-d --default-features=[DEFAULT_FEATURES] 'Whether to allow default features'")
.possible_values(&["1", "yes", "true", "0", "no", "false"])
.hide_possible_values(true),
Arg::from_usage("<PACKAGE> 'Package to configure'").empty_values(false)]))
.get_matches();
let matches = matches.subcommand_matches("install-update-config").unwrap();
let cdir = cargo_dir();
ConfigOptions {
crates_file: match matches.value_of("cargo-dir") {
Some(dir) => (format!("{}/.crates.toml", dir), fs::canonicalize(dir).unwrap().join(".crates.toml")),
None => {
match env::var("CARGO_INSTALL_ROOT").map_err(|_| ()).and_then(|ch| fs::canonicalize(ch).map_err(|_| ())) {
Ok(ch) => ("$CARGO_INSTALL_ROOT/.crates.toml".to_string(), ch.join(".crates.toml")),
Err(()) => (format!("{}/.crates.toml", cdir.0), cdir.1.join(".crates.toml")),
}
}
},
package: matches.value_of("PACKAGE").unwrap().to_string(),
ops: matches.value_of("toolchain")
.map(|t| if t.is_empty() {
ConfigOperation::RemoveToolchain
} else {
ConfigOperation::SetToolchain(t.to_string())
})
.into_iter()
.chain(matches.values_of("feature").into_iter().flat_map(|f| f).map(str::to_string).map(ConfigOperation::AddFeature))
.chain(matches.values_of("no-feature").into_iter().flat_map(|f| f).map(str::to_string).map(ConfigOperation::RemoveFeature))
.chain(matches.value_of("default-features").map(|d| ["1", "yes", "true"].contains(&d)).map(ConfigOperation::DefaultFeatures).into_iter())
.collect(),
}
}
}
fn cargo_dir() -> (String, PathBuf) {
match env::var("CARGO_HOME").map_err(|_| ()).and_then(|ch| fs::canonicalize(ch).map_err(|_| ())) {
Ok(ch) => ("$CARGO_HOME".to_string(), ch),
Err(()) =>
match home_dir().and_then(|hd| hd.canonicalize().ok()) {
Some(mut hd) => {
hd.push(".cargo");
fs::create_dir_all(&hd).unwrap();
("$HOME/.cargo".to_string(), hd)
}
None => {
clap::Error {
message: "$CARGO_HOME and home directory invalid, please specify the cargo home directory with the -c option".to_string(),
kind: clap::ErrorKind::MissingRequiredArgument,
info: None,
}
.exit()
}
},
}
}
fn cargo_dir_validator(s: String) -> Result<(), String> {
fs::canonicalize(&s).map(|_| ()).map_err(|_| format!("Cargo directory \"{}\" not found", s))
}