imag-store: Move from error-chain to failure

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

bin/core/imag-store/Cargo.toml

@@ -24,7 +24,7 @@ maintenance                       = { status     = "actively-developed" }
 [dependencies]
 log = "0.4.0"
 toml = "0.4"
-error-chain = "0.12"
+failure = "0.1"
 
 libimagstore = { version = "0.9.0", path = "../../../lib/core/libimagstore", features = ["verify"] }
 libimagrt    = { version = "0.9.0", path = "../../../lib/core/libimagrt" }

bin/core/imag-store/src/create.rs

@@ -20,12 +20,13 @@
 use std::path::PathBuf;
 use std::io::stdin;
 use std::fs::OpenOptions;
-use std::result::Result as RResult;
 use std::io::Read;
 use std::ops::DerefMut;
 
 use clap::ArgMatches;
 use toml::Value;
+use failure::Fallible as Result;
+use failure::err_msg;
 
 use libimagrt::runtime::Runtime;
 use libimagstore::store::Entry;
@@ -33,13 +34,8 @@ use libimagstore::storeid::StoreId;
 use libimagerror::trace::MapErrTrace;
 use libimagutil::debug_result::*;
 
-use error::StoreError;
-use error::StoreErrorKind;
-use error::ResultExt;
 use util::build_toml_header;
 
-type Result<T> = RResult<T, StoreError>;
-
 pub fn create(rt: &Runtime) {
     let scmd = rt.cli().subcommand_matches("create").unwrap();
     debug!("Found 'create' subcommand...");
@@ -95,13 +91,9 @@ fn create_from_cli_spec(rt: &Runtime, matches: &ArgMatches, path: &StoreId) -> R
 fn create_from_source(rt: &Runtime, matches: &ArgMatches, path: &StoreId) -> Result<()> {
     let content = matches
         .value_of("from-raw")
-        .ok_or(StoreError::from_kind(StoreErrorKind::NoCommandlineCall))
-        .map(string_from_raw_src);
+        .ok_or_else(|| err_msg("No Commandline call"))
+        .map(string_from_raw_src)?;
 
-    if content.is_err() {
-        return content.map(|_| ());
-    }
-    let content = content.unwrap();
     debug!("Content with len = {}", content.len());
 
     Entry::from_str(path.clone(), &content[..])
@@ -118,7 +110,6 @@ fn create_from_source(rt: &Runtime, matches: &ArgMatches, path: &StoreId) -> Res
             r
         })
         .map_dbg_err(|e| format!("Error storing entry: {:?}", e))
-        .chain_err(|| StoreErrorKind::BackendError)
 }
 
 fn create_with_content_and_header(rt: &Runtime,
@@ -142,7 +133,6 @@ fn create_with_content_and_header(rt: &Runtime,
                 debug!("New header set");
             }
         })
-        .chain_err(|| StoreErrorKind::BackendError)
 }
 
 fn string_from_raw_src(raw_src: &str) -> String {

bin/core/imag-store/src/error.rs

@@ -1,38 +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 {
-        StoreError, StoreErrorKind, ResultExt, Result;
-    }
-
-    errors {
-        BackendError      {
-            description("Backend Error")
-            display("Backend Error")
-        }
-
-        NoCommandlineCall {
-            description("No commandline call")
-            display("No commandline call")
-        }
-
-    }
-}
-

bin/core/imag-store/src/main.rs

@@ -36,7 +36,7 @@ extern crate clap;
 #[macro_use] extern crate log;
 extern crate toml;
 #[cfg(test)] extern crate toml_query;
-#[macro_use] extern crate error_chain;
+extern crate failure;
 
 #[macro_use] extern crate libimagrt;
 extern crate libimagstore;
@@ -54,7 +54,6 @@ use libimagerror::trace::MapErrTrace;
 
 mod create;
 mod delete;
-mod error;
 mod get;
 mod retrieve;
 mod ui;