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annotate rust/rhg/src/commands/files.rs @ 46593:5ce2aa7c2ad5

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rhg: Move `Repo` object creation into `main()` ? rather than in each sub-command that needs a local repository. This will allow accessing e.g. `.hg/blackbox.log` before dispatching to sub-commands. Differential Revision: https://phab.mercurial-scm.org/D10004
author Simon Sapin <simon.sapin@octobus.net>
date Mon, 15 Feb 2021 20:13:09 +0100
parents 80840b651721
children c184b490da37
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 use crate::error::CommandError;
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2 use crate::ui::Ui;
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3 use clap::Arg;
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4 use hg::operations::list_rev_tracked_files;
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5 use hg::operations::Dirstate;
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6 use hg::repo::Repo;
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7 use hg::utils::files::{get_bytes_from_path, relativize_path};
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8 use hg::utils::hg_path::{HgPath, HgPathBuf};
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9
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10 pub const HELP_TEXT: &str = "
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11 List tracked files.
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12
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13 Returns 0 on success.
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14 ";
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15
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16 pub fn args() -> clap::App<'static, 'static> {
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17 clap::SubCommand::with_name("files")
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18 .arg(
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19 Arg::with_name("rev")
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20 .help("search the repository as it is in REV")
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21 .short("-r")
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22 .long("--revision")
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23 .value_name("REV")
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24 .takes_value(true),
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25 )
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26 .about(HELP_TEXT)
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27 }
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28
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29 pub fn run(invocation: &crate::CliInvocation) -> Result<(), CommandError> {
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30 let rev = invocation.subcommand_args.value_of("rev");
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31
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32 let repo = invocation.repo?;
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33 if let Some(rev) = rev {
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34 let files = list_rev_tracked_files(repo, rev).map_err(|e| (e, rev))?;
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35 display_files(invocation.ui, repo, files.iter())
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36 } else {
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37 let distate = Dirstate::new(repo)?;
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38 let files = distate.tracked_files()?;
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39 display_files(invocation.ui, repo, files)
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40 }
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41 }
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42
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43 fn display_files<'a>(
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44 ui: &Ui,
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45 repo: &Repo,
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46 files: impl IntoIterator<Item = &'a HgPath>,
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47 ) -> Result<(), CommandError> {
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48 let cwd = HgPathBuf::from(get_bytes_from_path(hg::utils::current_dir()?));
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49 let working_directory =
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50 HgPathBuf::from(get_bytes_from_path(repo.working_directory_path()));
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51
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52 let mut stdout = ui.stdout_buffer();
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53
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54 for file in files {
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55 let file = working_directory.join(file);
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56 stdout.write_all(relativize_path(&file, &cwd).as_ref())?;
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57 stdout.write_all(b"\n")?;
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58 }
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59 stdout.flush()?;
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60 Ok(())
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61 }