| author | Antoine Cezar <antoine.cezar@octobus.net> |
| Wed, 09 Sep 2020 14:53:15 +0200 | |
| changeset 45537 | 2f8227a12592 |
| parent 45535 | 72b7d58d6e35 |
| child 45937 | 2ad2745e0be9 |
| permissions | -rw-r--r-- |
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45364
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rhg: add a `Files` `Command` to prepare the `rhg files` subcommand
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1 |
use crate::commands::Command; |
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2 |
use crate::error::{CommandError, CommandErrorKind};
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3 |
use crate::ui::utf8_to_local; |
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4 |
use crate::ui::Ui; |
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5 |
use hg::operations::FindRoot; |
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6 |
use hg::operations::{
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7 |
ListDirstateTrackedFiles, ListDirstateTrackedFilesError, |
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8 |
ListDirstateTrackedFilesErrorKind, |
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9 |
}; |
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10 |
use hg::operations::{
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11 |
ListRevTrackedFiles, ListRevTrackedFilesError, |
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12 |
ListRevTrackedFilesErrorKind, |
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13 |
}; |
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parents:
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14 |
use hg::utils::files::{get_bytes_from_path, relativize_path};
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15 |
use hg::utils::hg_path::{HgPath, HgPathBuf};
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16 |
use std::path::PathBuf; |
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17 |
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18 |
pub const HELP_TEXT: &str = " |
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19 |
List tracked files. |
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20 |
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21 |
Returns 0 on success. |
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22 |
"; |
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23 |
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24 |
pub struct FilesCommand<'a> {
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25 |
rev: Option<&'a str>, |
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26 |
} |
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27 |
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28 |
impl<'a> FilesCommand<'a> {
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29 |
pub fn new(rev: Option<&'a str>) -> Self {
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30 |
FilesCommand { rev }
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31 |
} |
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parents:
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32 |
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33 |
fn display_files( |
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34 |
&self, |
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35 |
ui: &Ui, |
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36 |
root: &PathBuf, |
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37 |
files: impl IntoIterator<Item = &'a HgPath>, |
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38 |
) -> Result<(), CommandError> {
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39 |
let cwd = std::env::current_dir() |
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40 |
.or_else(|e| Err(CommandErrorKind::CurrentDirNotFound(e)))?; |
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41 |
let rooted_cwd = cwd |
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42 |
.strip_prefix(&root) |
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43 |
.expect("cwd was already checked within the repository");
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44 |
let rooted_cwd = HgPathBuf::from(get_bytes_from_path(rooted_cwd)); |
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45 |
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46 |
let mut stdout = ui.stdout_buffer(); |
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47 |
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48 |
for file in files {
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49 |
stdout.write_all(relativize_path(file, &rooted_cwd).as_ref())?; |
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50 |
stdout.write_all(b"\n")?; |
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51 |
} |
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52 |
stdout.flush()?; |
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53 |
Ok(()) |
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54 |
} |
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55 |
} |
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56 |
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57 |
impl<'a> Command for FilesCommand<'a> {
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58 |
fn run(&self, ui: &Ui) -> Result<(), CommandError> {
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59 |
let root = FindRoot::new().run()?; |
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60 |
if let Some(rev) = self.rev {
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61 |
let mut operation = ListRevTrackedFiles::new(&root, rev) |
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62 |
.map_err(|e| map_rev_error(rev, e))?; |
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63 |
let files = operation.run().map_err(|e| map_rev_error(rev, e))?; |
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64 |
self.display_files(ui, &root, files) |
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65 |
} else {
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66 |
let mut operation = ListDirstateTrackedFiles::new(&root) |
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67 |
.map_err(map_dirstate_error)?; |
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68 |
let files = operation.run().map_err(map_dirstate_error)?; |
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69 |
self.display_files(ui, &root, files) |
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70 |
} |
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71 |
} |
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72 |
} |
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73 |
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74 |
/// Convert `ListRevTrackedFilesErrorKind` to `CommandError` |
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75 |
fn map_rev_error(rev: &str, err: ListRevTrackedFilesError) -> CommandError {
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76 |
CommandError {
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77 |
kind: match err.kind {
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78 |
ListRevTrackedFilesErrorKind::IoError(err) => {
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79 |
CommandErrorKind::Abort(Some( |
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80 |
utf8_to_local(&format!("abort: {}\n", err)).into(),
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81 |
)) |
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82 |
} |
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83 |
ListRevTrackedFilesErrorKind::InvalidRevision => {
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84 |
CommandErrorKind::Abort(Some( |
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85 |
utf8_to_local(&format!( |
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86 |
"abort: invalid revision identifier{}\n",
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87 |
rev |
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88 |
)) |
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89 |
.into(), |
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90 |
)) |
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91 |
} |
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92 |
ListRevTrackedFilesErrorKind::UnsuportedRevlogVersion(version) => {
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93 |
CommandErrorKind::Abort(Some( |
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utf8_to_local(&format!( |
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95 |
"abort: unsupported revlog version {}\n",
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96 |
version |
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97 |
)) |
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98 |
.into(), |
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99 |
)) |
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100 |
} |
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101 |
ListRevTrackedFilesErrorKind::CorruptedRevlog => {
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102 |
CommandErrorKind::Abort(Some( |
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103 |
"abort: corrupted revlog\n".into(), |
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104 |
)) |
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105 |
} |
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106 |
ListRevTrackedFilesErrorKind::UnknowRevlogDataFormat(format) => {
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107 |
CommandErrorKind::Abort(Some( |
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108 |
utf8_to_local(&format!( |
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109 |
"abort: unknow revlog dataformat {:?}\n",
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110 |
format |
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111 |
)) |
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112 |
.into(), |
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113 |
)) |
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114 |
} |
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115 |
}, |
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116 |
} |
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117 |
} |
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118 |
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119 |
/// Convert `ListDirstateTrackedFilesError` to `CommandError` |
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120 |
fn map_dirstate_error(err: ListDirstateTrackedFilesError) -> CommandError {
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121 |
CommandError {
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kind: match err.kind {
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123 |
ListDirstateTrackedFilesErrorKind::IoError(err) => {
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124 |
CommandErrorKind::Abort(Some( |
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utf8_to_local(&format!("abort: {}\n", err)).into(),
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126 |
)) |
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127 |
} |
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ListDirstateTrackedFilesErrorKind::ParseError(_) => {
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CommandErrorKind::Abort(Some( |
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130 |
// TODO find a better error message |
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131 |
b"abort: parse error\n".to_vec(), |
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132 |
)) |
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133 |
} |
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134 |
}, |
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135 |
} |
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136 |
} |