libimagrt: Move from error-chain to failure

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
This commit is contained in:
Matthias Beyer 2018-10-30 18:40:50 +01:00
parent 09e8619cf5
commit 8236e73402
6 changed files with 135 additions and 258 deletions

View file

@ -25,10 +25,10 @@ toml = "0.4"
xdg-basedir = "1.0"
itertools = "0.7"
ansi_term = "0.11"
is-match = "0.1"
toml-query = "0.7"
error-chain = "0.12"
toml-query = { git = "https://github.com/matthiasbeyer/toml-query", branch = "failure" }
atty = "0.2"
failure = "0.1"
failure_derive = "0.1"
libimagstore = { version = "0.9.0", path = "../../../lib/core/libimagstore" }
libimagerror = { version = "0.9.0", path = "../../../lib/core/libimagerror" }

View file

@ -21,20 +21,19 @@ use std::path::PathBuf;
use toml::Value;
use clap::App;
use failure::ResultExt;
use failure::Fallible as Result;
use failure::Error;
use failure::err_msg;
use error::RuntimeError as RE;
use error::RuntimeErrorKind as REK;
use error::Result;
use error::ResultExt;
use libimagerror::errors::ErrorMsg as EM;
/// Get a new configuration object.
///
/// The passed runtimepath is used for searching the configuration file, whereas several file
/// names are tested. If that does not work, the home directory and the XDG basedir are tested
/// with all variants.
///
/// If that doesn't work either, an error is returned.
pub fn fetch_config(searchpath: &PathBuf) -> Result<Value> {
pub fn fetch_config(searchpath: &PathBuf) -> Result<Option<Value>> {
use std::env;
use std::fs::File;
use std::io::Read;
@ -65,7 +64,7 @@ pub fn fetch_config(searchpath: &PathBuf) -> Result<Value> {
.unwrap_or(vec![]),
];
Itertools::flatten(vals.iter())
let config = Itertools::flatten(vals.iter())
.filter(|path| path.exists() && path.is_file())
.filter_map(|path| {
let content = {
@ -90,13 +89,14 @@ pub fn fetch_config(searchpath: &PathBuf) -> Result<Value> {
.unwrap_or_else(|| String::from("Line unknown, Column unknown"));
let _ = write!(stderr(), "Config file parser error at {}", line_col);
let e : RE = RE::from(e);
let e = Error::from(EM::TomlDeserError);
trace_error(&e);
None
})
})
.nth(0)
.ok_or(RE::from_kind(REK::ConfigNoConfigFileFound))
.nth(0);
Ok(config)
}
/// Override the configuration.
@ -120,16 +120,16 @@ pub fn override_config(val: &mut Value, v: Vec<String>) -> Result<()> {
.map(|(k, v)| {
let value = val
.read(&k)
.chain_err(|| REK::ConfigTOMLParserError)?
.ok_or(RE::from_kind(REK::ConfigOverrideKeyNotAvailable))?;
.context(EM::TomlQueryError)?
.ok_or_else(|| Error::from(err_msg("Confit parser error")))?;
into_value(value, v)
.map(|v| info!("Successfully overridden: {} = {}", k, v))
.ok_or_else(|| RE::from_kind(REK::ConfigOverrideTypeNotMatching))
.ok_or_else(|| Error::from(err_msg("Config override type not matching")))
});
for elem in iter {
let _ = try!(elem.chain_err(|| REK::ConfigOverrideError));
let _ = elem.context(err_msg("Config override error"))?;
}
Ok(())

View file

@ -1,125 +0,0 @@
//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2018 Matthias Beyer <mail@beyermatthias.de> and contributors
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; version
// 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
error_chain! {
types {
RuntimeError, RuntimeErrorKind, ResultExt, Result;
}
foreign_links {
IO(::std::io::Error);
TomlDeError(::toml::de::Error);
TomlQueryError(::toml_query::error::Error);
HandlebarsTemplateError(::handlebars::TemplateError);
}
errors {
Instantiate {
description("Could not instantiate")
display("Could not instantiate")
}
IOError {
description("IO Error")
display("IO Error")
}
ProcessExitFailure {
description("Process exited with failure")
display("Process exited with failure")
}
IOLogFileOpenError {
description("IO Error: Could not open logfile")
display("IO Error: Could not open logfile")
}
ConfigTypeError(path: String, should_be_type: &'static str) {
description("Error while reading the configuration: Type Error")
display("Type Error: '{}' should be '{}'", path, should_be_type)
}
GlobalLogLevelConfigMissing {
description("Global config 'imag.logging.level' missing")
display("Global config 'imag.logging.level' missing")
}
GlobalDestinationConfigMissing {
description("Global config 'imag.logging.destinations' missing")
display("Global config 'imag.logging.destinations' missing")
}
InvalidLogLevelSpec {
description("Invalid log level specification: Only 'trace', 'debug', 'info', 'warn', 'error' are allowed")
display("Invalid log level specification: Only 'trace', 'debug', 'info', 'warn', 'error' are allowed")
}
ConfigMissingLoggingFormatTrace {
description("Missing config for logging format for trace logging")
display("Missing config for logging format for trace logging")
}
ConfigMissingLoggingFormatDebug {
description("Missing config for logging format for debug logging")
display("Missing config for logging format for debug logging")
}
ConfigMissingLoggingFormatInfo {
description("Missing config for logging format for info logging")
display("Missing config for logging format for info logging")
}
ConfigMissingLoggingFormatWarn {
description("Missing config for logging format for warn logging")
display("Missing config for logging format for warn logging")
}
ConfigMissingLoggingFormatError {
description("Missing config for logging format for error logging")
display("Missing config for logging format for error logging")
}
ConfigTOMLParserError {
description("Configuration: TOML Parsing error")
display("Configuration: TOML Parsing error")
}
ConfigNoConfigFileFound {
description("Configuration: No config file found")
display("Configuration: No config file found")
}
ConfigOverrideError {
description("Configuration: Config override error")
display("Configuration: Config override error")
}
ConfigOverrideKeyNotAvailable {
description("Configuration: Key not available")
display("Configuration: Key not available")
}
ConfigOverrideTypeNotMatching {
description("Configuration: Configuration Type not matching")
display("Configuration: Configuration Type not matching")
}
}
}

View file

@ -36,17 +36,16 @@
)]
#[macro_use] extern crate log;
#[macro_use] extern crate error_chain;
extern crate itertools;
#[cfg(unix)] extern crate xdg_basedir;
extern crate env_logger;
extern crate ansi_term;
extern crate handlebars;
#[macro_use] extern crate failure;
extern crate clap;
extern crate toml;
extern crate toml_query;
#[macro_use] extern crate is_match;
extern crate atty;
extern crate libimagstore;
@ -54,7 +53,6 @@ extern crate libimagutil;
extern crate libimagerror;
extern crate libimaginteraction;
pub mod error;
pub mod configuration;
pub mod logger;
pub mod io;

View file

@ -24,11 +24,12 @@ use std::sync::Arc;
use std::sync::Mutex;
use std::ops::Deref;
use error::RuntimeErrorKind as EK;
use error::RuntimeError as RE;
use error::ResultExt;
use runtime::Runtime;
use failure::ResultExt;
use failure::Fallible as Result;
use failure::Error;
use failure::err_msg;
use clap::ArgMatches;
use log::{Log, Level, Record, Metadata};
use toml::Value;
@ -36,10 +37,10 @@ use toml_query::read::TomlValueReadExt;
use toml_query::read::TomlValueReadTypeExt;
use handlebars::Handlebars;
type ModuleName = String;
type Result<T> = ::std::result::Result<T, RE>;
use libimagerror::errors::ErrorMsg as EM;
type ModuleName = String;
#[derive(Debug)]
enum LogDestination {
Stderr,
File(Arc<Mutex<::std::fs::File>>),
@ -51,7 +52,6 @@ impl Default for LogDestination {
}
}
#[derive(Debug)]
struct ModuleSettings {
enabled: bool,
level: Option<Level>,
@ -89,32 +89,39 @@ impl ImagLogger {
{
let fmt = aggregate_global_format_trace(config)?;
handlebars.register_template_string("TRACE", fmt)?; // name must be uppercase
handlebars.register_template_string("TRACE", fmt)
.map_err(Error::from)
.context(err_msg("Handlebars template error"))?; // name must be uppercase
}
{
let fmt = aggregate_global_format_debug(config)?;
handlebars.register_template_string("DEBUG", fmt)?; // name must be uppercase
handlebars.register_template_string("DEBUG", fmt)
.map_err(Error::from)
.context(err_msg("Handlebars template error"))?; // name must be uppercase
}
{
let fmt = aggregate_global_format_info(config)?;
handlebars.register_template_string("INFO", fmt)?; // name must be uppercase
handlebars.register_template_string("INFO", fmt)
.map_err(Error::from)
.context(err_msg("Handlebars template error"))?; // name must be uppercase
}
{
let fmt = aggregate_global_format_warn(config)?;
handlebars.register_template_string("WARN", fmt)?; // name must be uppercase
handlebars.register_template_string("WARN", fmt)
.map_err(Error::from)
.context(err_msg("Handlebars template error"))?; // name must be uppercase
}
{
let fmt = aggregate_global_format_error(config)?;
handlebars.register_template_string("ERROR", fmt)?; // name must be uppercase
handlebars.register_template_string("ERROR", fmt)
.map_err(Error::from)
.context(err_msg("Handlebars template error"))?; // name must be uppercase
}
let module_settings = aggregate_module_settings(matches, config)?;
eprintln!("Logging: {:?}", module_settings);
Ok(ImagLogger {
global_loglevel : aggregate_global_loglevel(matches, config)?,
global_destinations : aggregate_global_destinations(matches, config)?,
module_settings : module_settings,
module_settings : aggregate_module_settings(matches, config)?,
handlebars : handlebars,
})
}
@ -179,35 +186,28 @@ impl Log for ImagLogger {
self.module_settings
.get(record_target)
.map(|module_setting| {
// We have a module setting some
// * Check whether logging is enabled for this module and
// * check whether the module logging level is >= or, if there is no module logging
// level,
// * check whether the global logging level is >= the record level.
let set = module_setting.enabled &&
module_setting.level.unwrap_or(self.global_loglevel) >= record.level();
if set { // if we want to log from a setting standpoint
// get the destinations for the module and log to all of them
if set {
module_setting.destinations.as_ref().map(|destinations| for d in destinations {
let _ = log_to_destination(&d); // ignore errors, because what else?
// If there's an error, we cannot do anything, can we?
let _ = log_to_destination(&d);
});
// after that, log to the global destinations as well
for d in self.global_destinations.iter() {
let _ = log_to_destination(&d); // ignore errors, because what else?
// If there's an error, we cannot do anything, can we?
let _ = log_to_destination(&d);
}
}
})
// if we do not have a setting for the record target
.unwrap_or_else(|| {
if self.global_loglevel >= record.level() { // if logging is enabled for that level
self.global_destinations
.iter()
.for_each(|d| { // log to all global destinations
let _ = log_to_destination(&d); // ignore errors, because what else?
});
if self.global_loglevel >= record.level() {
// Yes, we log
for d in self.global_destinations.iter() {
// If there's an error, we cannot do anything, can we?
let _ = log_to_destination(&d);
}
}
});
}
@ -220,7 +220,7 @@ fn match_log_level_str(s: &str) -> Result<Level> {
"info" => Ok(Level::Info),
"warn" => Ok(Level::Warn),
"error" => Ok(Level::Error),
_ => return Err(RE::from_kind(EK::InvalidLogLevelSpec)),
lvl => return Err(format_err!("Invalid logging level: {}", lvl)),
}
}
@ -243,8 +243,10 @@ fn aggregate_global_loglevel(matches: &ArgMatches, config: Option<&Value>) -> Re
if let Some(cfg) = config {
let cfg_loglevel = cfg
.read_string("imag.logging.level")?
.ok_or(RE::from_kind(EK::GlobalLogLevelConfigMissing))
.read_string("imag.logging.level")
.map_err(Error::from)
.context(EM::TomlQueryError)?
.ok_or(err_msg("Global log level config missing"))
.and_then(|s| match_log_level_str(&s))?;
if let Some(cli_loglevel) = get_arg_loglevel(matches)? {
@ -273,7 +275,9 @@ fn translate_destination(raw: &str) -> Result<LogDestination> {
.map(Mutex::new)
.map(Arc::new)
.map(LogDestination::File)
.chain_err(|| EK::IOLogFileOpenError)
.map_err(Error::from)
.context(EM::IO)
.map_err(Error::from)
}
}
}
@ -285,9 +289,9 @@ fn translate_destinations(raw: &Vec<Value>) -> Result<Vec<LogDestination>> {
acc.and_then(|mut v| {
let dest = val.as_str()
.ok_or_else(|| {
let path = "imag.logging.modules.<mod>.destinations".to_owned();
let path = "imag.logging.modules.<mod>.destinations";
let ty = "Array<String>";
RE::from_kind(EK::ConfigTypeError(path, ty))
Error::from(format_err!("Type error at {}, expected {}", path, ty))
})
.and_then(translate_destination)?;
v.push(dest);
@ -299,16 +303,18 @@ fn translate_destinations(raw: &Vec<Value>) -> Result<Vec<LogDestination>> {
fn aggregate_global_destinations(matches: &ArgMatches, config: Option<&Value>)
-> Result<Vec<LogDestination>>
{
let config_log_dest_path = "imag.logging.destinations";
match config {
Some(cfg) => cfg
.read(&config_log_dest_path)?
.ok_or_else(|| RE::from_kind(EK::GlobalDestinationConfigMissing))?
.read("imag.logging.destinations")
.map_err(Error::from)
.context(EM::TomlQueryError)?
.ok_or_else(|| err_msg("Global log destination config missing"))?
.as_array()
.ok_or_else(|| {
let path = config_log_dest_path.to_owned();
let path = "imag.logging.destinations";
let ty = "Array";
RE::from_kind(EK::ConfigTypeError(path, ty))
Error::from(format_err!("Type error at {}, expected {}", path, ty))
})
.and_then(translate_destinations),
None => {
@ -330,10 +336,12 @@ fn aggregate_global_destinations(matches: &ArgMatches, config: Option<&Value>)
}
macro_rules! aggregate_global_format {
($read_str:expr, $error_kind_if_missing:expr, $config:expr) => {
try!($config.ok_or(RE::from_kind($error_kind_if_missing)))
.read_string($read_str)?
.ok_or_else(|| RE::from_kind($error_kind_if_missing))
($read_str:expr, $error_msg_if_missing:expr, $config:expr) => {
try!($config.ok_or_else(|| Error::from(err_msg($error_msg_if_missing))))
.read_string($read_str)
.map_err(Error::from)
.context(EM::TomlQueryError)?
.ok_or_else(|| Error::from(err_msg($error_msg_if_missing)))
};
}
@ -341,43 +349,43 @@ fn aggregate_global_format_trace(config: Option<&Value>)
-> Result<String>
{
aggregate_global_format!("imag.logging.format.trace",
EK::ConfigMissingLoggingFormatTrace,
config)
"Config missing: Logging format: Trace",
config)
}
fn aggregate_global_format_debug(config: Option<&Value>)
-> Result<String>
{
aggregate_global_format!("imag.logging.format.debug",
EK::ConfigMissingLoggingFormatDebug,
config)
"Config missing: Logging format: Debug",
config)
}
fn aggregate_global_format_info(config: Option<&Value>)
-> Result<String>
{
aggregate_global_format!("imag.logging.format.info",
EK::ConfigMissingLoggingFormatInfo,
config)
"Config missing: Logging format: Info",
config)
}
fn aggregate_global_format_warn(config: Option<&Value>)
-> Result<String>
{
aggregate_global_format!("imag.logging.format.warn",
EK::ConfigMissingLoggingFormatWarn,
config)
"Config missing: Logging format: Warn",
config)
}
fn aggregate_global_format_error(config: Option<&Value>)
-> Result<String>
{
aggregate_global_format!("imag.logging.format.error",
EK::ConfigMissingLoggingFormatError,
config)
"Config missing: Logging format: Error",
config)
}
fn aggregate_module_settings(matches: &ArgMatches, config: Option<&Value>)
fn aggregate_module_settings(_matches: &ArgMatches, config: Option<&Value>)
-> Result<BTreeMap<ModuleName, ModuleSettings>>
{
// Helper macro to return the error from Some(Err(_)) and map everything else to an
@ -393,44 +401,43 @@ fn aggregate_module_settings(matches: &ArgMatches, config: Option<&Value>)
};
match config {
Some(cfg) => match cfg.read("imag.logging.modules") {
Some(cfg) => match cfg.read("imag.logging.modules").map_err(Error::from) {
Ok(Some(&Value::Table(ref t))) => {
// translate the module settings from the table `t`
let mut settings = BTreeMap::new();
for (module_name, v) in t {
let destinations = inner_try! {
v.read("destinations")?
v.read("destinations")
.map_err(Error::from)
.context(EM::TomlQueryError)?
.map(|val| {
val.as_array()
.ok_or_else(|| {
let path = "imag.logging.modules.<mod>.destinations".to_owned();
let path = "imag.logging.modules.<mod>.destinations";
let ty = "Array";
RE::from_kind(EK::ConfigTypeError(path, ty))
Error::from(format_err!("Type error at {}, expected {}", path, ty))
})
.and_then(translate_destinations)
})
};
let (pre_enabled, level) = if matches.is_present(Runtime::arg_debugging_name()) {
(true, Some(Level::Debug))
} else {
let level = inner_try! {
v.read_string("level")?.map(|s| match_log_level_str(&s))
};
(false, level)
let level = inner_try! {
v.read_string("level")
.map_err(Error::from)
.context(EM::TomlQueryError)?
.map(|s| match_log_level_str(&s))
};
let enabled = pre_enabled ||
v.read("enabled")?
.map(|v| v.as_bool().unwrap_or(false))
.ok_or_else(|| {
let path = "imag.logging.modules.<mod>.enabled".to_owned();
let ty = "Boolean";
RE::from_kind(EK::ConfigTypeError(path, ty))
})?;
let enabled = v.read("enabled")
.map_err(Error::from)
.context(EM::TomlQueryError)?
.map(|v| v.as_bool().unwrap_or(false))
.ok_or_else(|| {
let path = "imag.logging.modules.<mod>.enabled";
let ty = "Boolean";
Error::from(format_err!("Type error at {}, expected {}", path, ty))
})?;
let module_settings = ModuleSettings {
enabled: enabled,
@ -445,15 +452,15 @@ fn aggregate_module_settings(matches: &ArgMatches, config: Option<&Value>)
Ok(settings)
},
Ok(Some(_)) => {
let path = "imag.logging.modules".to_owned();
let path = "imag.logging.modules";
let ty = "Table";
Err(RE::from_kind(EK::ConfigTypeError(path, ty)))
Err(Error::from(format_err!("Type error at {}, expected {}", path, ty)))
},
Ok(None) => {
// No modules configured. This is okay!
Ok(BTreeMap::new())
},
Err(e) => Err(e).map_err(From::from),
Err(e) => Err(e).context(EM::TomlQueryError).map_err(Error::from),
},
None => {
write!(stderr(), "No Configuration.").ok();

View file

@ -30,14 +30,16 @@ use toml::Value;
use toml_query::read::TomlValueReadExt;
use clap::{Arg, ArgMatches};
use failure::ResultExt;
use failure::Fallible as Result;
use failure::Error;
use failure::err_msg;
use configuration::{fetch_config, override_config, InternalConfiguration};
use error::RuntimeError;
use error::RuntimeErrorKind;
use error::ResultExt;
use logger::ImagLogger;
use io::OutputProxy;
use libimagerror::errors::ErrorMsg as EM;
use libimagerror::trace::*;
use libimagstore::store::Store;
use libimagstore::file_abstraction::InMemoryFileAbstraction;
@ -62,7 +64,7 @@ impl<'a> Runtime<'a> {
/// and builds the Runtime object with it.
///
/// The cli_app object should be initially build with the ::get_default_cli_builder() function.
pub fn new<C>(cli_app: C) -> Result<Runtime<'a>, RuntimeError>
pub fn new<C>(cli_app: C) -> Result<Runtime<'a>>
where C: Clone + CliSpec<'a> + InternalConfiguration
{
use libimagerror::trace::trace_error;
@ -76,17 +78,15 @@ impl<'a> Runtime<'a> {
debug!("Config path = {:?}", configpath);
let config = match fetch_config(&configpath) {
Err(e) => if !is_match!(e.kind(), &RuntimeErrorKind::ConfigNoConfigFileFound) {
return Err(e).chain_err(|| RuntimeErrorKind::Instantiate);
} else {
eprintln!("No config file found.");
eprintln!("Maybe try to use 'imag-init' to initialize imag?");
eprintln!("Continuing without configuration file");
None
let config = match fetch_config(&configpath)? {
None => {
return Err(err_msg("No configuration file found"))
.context(err_msg("Maybe try to use 'imag-init' to initialize imag?"))
.context(err_msg("Continuing without configuration file"))
.context(err_msg("Cannot instantiate runtime"))
.map_err(Error::from);
},
Ok(mut config) => {
Some(mut config) => {
if let Err(e) = override_config(&mut config, get_override_specs(&matches)) {
error!("Could not apply config overrides");
trace_error(&e);
@ -102,16 +102,14 @@ impl<'a> Runtime<'a> {
}
/// Builds the Runtime object using the given `config`.
pub fn with_configuration<C>(cli_app: C, config: Option<Value>)
-> Result<Runtime<'a>, RuntimeError>
pub fn with_configuration<C>(cli_app: C, config: Option<Value>) -> Result<Runtime<'a>>
where C: Clone + CliSpec<'a> + InternalConfiguration
{
let matches = cli_app.clone().matches();
Runtime::_new(cli_app, matches, config)
}
fn _new<C>(cli_app: C, matches: ArgMatches<'a>, config: Option<Value>)
-> Result<Runtime<'a>, RuntimeError>
fn _new<C>(cli_app: C, matches: ArgMatches<'a>, config: Option<Value>) -> Result<Runtime<'a>>
where C: Clone + CliSpec<'a> + InternalConfiguration
{
if cli_app.enable_logging() {
@ -146,7 +144,8 @@ impl<'a> Runtime<'a> {
store: store,
}
})
.chain_err(|| RuntimeErrorKind::Instantiate)
.context(err_msg("Cannot instantiate runtime"))
.map_err(Error::from)
}
///
@ -379,7 +378,7 @@ impl<'a> Runtime<'a> {
}
/// Get a editor command object which can be called to open the $EDITOR
pub fn editor(&self) -> Result<Option<Command>, RuntimeError> {
pub fn editor(&self) -> Result<Option<Command>> {
self.cli()
.value_of("editor")
.map(String::from)
@ -391,7 +390,7 @@ impl<'a> Runtime<'a> {
})
})
.or(env::var("EDITOR").ok())
.ok_or_else(|| RuntimeErrorKind::IOError.into())
.ok_or_else(|| Error::from(EM::IO))
.map_dbg(|s| format!("Editing with '{}'", s))
.and_then(|s| {
let mut split = s.split_whitespace();
@ -401,7 +400,7 @@ impl<'a> Runtime<'a> {
}
let mut c = Command::new(command.unwrap()); // secured above
c.args(split);
c.stdin(::std::fs::File::open("/dev/tty")?);
c.stdin(::std::fs::File::open("/dev/tty").context(EM::IO)?);
c.stderr(::std::process::Stdio::inherit());
Ok(Some(c))
})
@ -442,8 +441,6 @@ impl<'a> Runtime<'a> {
/// # Return value
///
/// On success, the exit status object of the `Command` invocation is returned.
/// On Error, a RuntimeError object is returned. This is also the case if writing the error
/// message does not work.
///
/// # Details
///
@ -457,7 +454,7 @@ impl<'a> Runtime<'a> {
command: S,
subcommand: S,
args: &ArgMatches)
-> Result<::std::process::ExitStatus, RuntimeError>
-> Result<::std::process::ExitStatus>
{
use std::io::Write;
use std::io::ErrorKind;
@ -465,8 +462,7 @@ impl<'a> Runtime<'a> {
let rtp_str = self.rtp()
.to_str()
.map(String::from)
.ok_or(RuntimeErrorKind::IOError)
.map_err(RuntimeError::from_kind)?;
.ok_or_else(|| Error::from(EM::IO))?;
let command = format!("{}-{}", command.as_ref(), subcommand.as_ref());
@ -497,7 +493,8 @@ impl<'a> Runtime<'a> {
},
_ => e,
})
.map_err(RuntimeError::from)
.context(EM::IO)
.map_err(Error::from)
}
}