cat.rs
51 lines
| 1.4 KiB
| application/rls-services+xml
|
RustLexer
Simon Sapin
|
r47163 | use crate::error::CommandError; | ||
Antoine Cezar
|
r46113 | use crate::ui::Ui; | ||
Simon Sapin
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r47250 | use clap::ArgMatches; | ||
Simon Sapin
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r47213 | use hg::config::Config; | ||
Simon Sapin
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r47165 | use hg::operations::cat; | ||
Simon Sapin
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r46782 | use hg::repo::Repo; | ||
Antoine Cezar
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r46113 | use hg::utils::hg_path::HgPathBuf; | ||
use micro_timer::timed; | ||||
use std::convert::TryFrom; | ||||
pub const HELP_TEXT: &str = " | ||||
Output the current or given revision of files | ||||
"; | ||||
Simon Sapin
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r47250 | #[timed] | ||
pub fn run( | ||||
ui: &Ui, | ||||
config: &Config, | ||||
args: &ArgMatches, | ||||
) -> Result<(), CommandError> { | ||||
let rev = args.value_of("rev"); | ||||
let file_args = match args.values_of("files") { | ||||
Some(files) => files.collect(), | ||||
None => vec![], | ||||
}; | ||||
Antoine Cezar
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r46113 | |||
Simon Sapin
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r47250 | let repo = Repo::find(config)?; | ||
let cwd = hg::utils::current_dir()?; | ||||
let mut files = vec![]; | ||||
for file in file_args.iter() { | ||||
// TODO: actually normalize `..` path segments etc? | ||||
let normalized = cwd.join(&file); | ||||
let stripped = normalized | ||||
.strip_prefix(&repo.working_directory_path()) | ||||
// TODO: error message for path arguments outside of the repo | ||||
.map_err(|_| CommandError::abort(""))?; | ||||
let hg_file = HgPathBuf::try_from(stripped.to_path_buf()) | ||||
.map_err(|e| CommandError::abort(e.to_string()))?; | ||||
files.push(hg_file); | ||||
Antoine Cezar
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r46113 | } | ||
Simon Sapin
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r47250 | match rev { | ||
Some(rev) => { | ||||
let data = cat(&repo, rev, &files).map_err(|e| (e, rev))?; | ||||
ui.write_stdout(&data)?; | ||||
Ok(()) | ||||
} | ||||
None => Err(CommandError::Unimplemented.into()), | ||||
Antoine Cezar
|
r46113 | } | ||
} | ||||