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use crate::commands::Command;
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use crate::error::{CommandError, CommandErrorKind};
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use crate::ui::utf8_to_local;
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use crate::ui::Ui;
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use hg::operations::{
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DebugData, DebugDataError, DebugDataErrorKind, DebugDataKind,
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};
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use micro_timer::timed;
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pub const HELP_TEXT: &str = "
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Dump the contents of a data file revision
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";
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pub struct DebugDataCommand<'a> {
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rev: &'a str,
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kind: DebugDataKind,
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}
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impl<'a> DebugDataCommand<'a> {
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pub fn new(rev: &'a str, kind: DebugDataKind) -> Self {
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DebugDataCommand { rev, kind }
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}
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}
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impl<'a> Command for DebugDataCommand<'a> {
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#[timed]
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fn run(&self, ui: &Ui) -> Result<(), CommandError> {
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let mut operation = DebugData::new(self.rev, self.kind);
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let data =
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operation.run().map_err(|e| to_command_error(self.rev, e))?;
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let mut stdout = ui.stdout_buffer();
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stdout.write_all(&data)?;
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stdout.flush()?;
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Ok(())
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}
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}
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/// Convert operation errors to command errors
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fn to_command_error(rev: &str, err: DebugDataError) -> CommandError {
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match err.kind {
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DebugDataErrorKind::FindRootError(err) => CommandError::from(err),
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DebugDataErrorKind::IoError(err) => CommandError {
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kind: CommandErrorKind::Abort(Some(
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utf8_to_local(&format!("abort: {}\n", err)).into(),
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)),
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},
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DebugDataErrorKind::InvalidRevision => CommandError {
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kind: CommandErrorKind::Abort(Some(
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utf8_to_local(&format!(
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"abort: invalid revision identifier{}\n",
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rev
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))
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.into(),
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)),
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},
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DebugDataErrorKind::AmbiguousPrefix => CommandError {
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kind: CommandErrorKind::Abort(Some(
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utf8_to_local(&format!(
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"abort: ambiguous revision identifier{}\n",
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rev
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))
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.into(),
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)),
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},
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DebugDataErrorKind::UnsuportedRevlogVersion(version) => CommandError {
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kind: CommandErrorKind::Abort(Some(
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utf8_to_local(&format!(
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"abort: unsupported revlog version {}\n",
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version
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))
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.into(),
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)),
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},
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DebugDataErrorKind::CorruptedRevlog => CommandError {
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kind: CommandErrorKind::Abort(Some(
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"abort: corrupted revlog\n".into(),
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)),
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},
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DebugDataErrorKind::UnknowRevlogDataFormat(format) => CommandError {
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kind: CommandErrorKind::Abort(Some(
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utf8_to_local(&format!(
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"abort: unknow revlog dataformat {:?}\n",
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format
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))
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.into(),
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)),
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},
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}
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}
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