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rhg: Remove error message on unsupported CLI arguments...
rhg: Remove error message on unsupported CLI arguments Like in other "unsupported" cases that return a specific exit code Differential Revision: https://phab.mercurial-scm.org/D10002

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r47231:1a00a578 default
r47333:21d3b40b default
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files.rs
70 lines | 1.8 KiB | application/rls-services+xml | RustLexer
use crate::error::CommandError;
use crate::ui::Ui;
use clap::Arg;
use clap::ArgMatches;
use hg::config::Config;
use hg::operations::list_rev_tracked_files;
use hg::operations::Dirstate;
use hg::repo::Repo;
use hg::utils::files::{get_bytes_from_path, relativize_path};
use hg::utils::hg_path::{HgPath, HgPathBuf};
use std::path::Path;
pub const HELP_TEXT: &str = "
List tracked files.
Returns 0 on success.
";
pub fn args() -> clap::App<'static, 'static> {
clap::SubCommand::with_name("files")
.arg(
Arg::with_name("rev")
.help("search the repository as it is in REV")
.short("-r")
.long("--revision")
.value_name("REV")
.takes_value(true),
)
.about(HELP_TEXT)
}
pub fn run(
ui: &Ui,
config: &Config,
repo_path: Option<&Path>,
args: &ArgMatches,
) -> Result<(), CommandError> {
let rev = args.value_of("rev");
let repo = Repo::find(config, repo_path)?;
if let Some(rev) = rev {
let files =
list_rev_tracked_files(&repo, rev).map_err(|e| (e, rev))?;
display_files(ui, &repo, files.iter())
} else {
let distate = Dirstate::new(&repo)?;
let files = distate.tracked_files()?;
display_files(ui, &repo, files)
}
}
fn display_files<'a>(
ui: &Ui,
repo: &Repo,
files: impl IntoIterator<Item = &'a HgPath>,
) -> Result<(), CommandError> {
let cwd = HgPathBuf::from(get_bytes_from_path(hg::utils::current_dir()?));
let working_directory =
HgPathBuf::from(get_bytes_from_path(repo.working_directory_path()));
let mut stdout = ui.stdout_buffer();
for file in files {
let file = working_directory.join(file);
stdout.write_all(relativize_path(&file, &cwd).as_ref())?;
stdout.write_all(b"\n")?;
}
stdout.flush()?;
Ok(())
}