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imag-mv: implement ImagApplication

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Signed-off-by: Leon Schuermann <leon@is.currently.online>
This commit is contained in:
Leon Schuermann 2019-09-14 18:45:49 +02:00 committed by Matthias Beyer
parent 4c9998ca1d
commit 186b03deea
4 changed files with 228 additions and 156 deletions
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8
bin/core/imag-mv/Cargo.toml
View file

@ -21,6 +21,7 @@ maintenance = { status = "actively-developed" }
[dependencies]
log = "0.4.6"
failure = "0.1.5"
libimagrt = { version = "0.10.0", path = "../../../lib/core/libimagrt" }
libimagerror = { version = "0.10.0", path = "../../../lib/core/libimagerror" }
@ -32,3 +33,10 @@ version = "2.33.0"
default-features = false
features = ["color", "suggestions", "wrap_help"]
[lib]
name = "libimagmvcmd"
path = "src/lib.rs"
[[bin]]
name = "imag-mv"
path = "src/bin.rs"

39
bin/core/imag-mv/src/bin.rs Normal file
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@ -0,0 +1,39 @@
//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2019 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
//
#![forbid(unsafe_code)]
#![deny(
non_camel_case_types,
non_snake_case,
path_statements,
trivial_numeric_casts,
unstable_features,
unused_allocation,
unused_import_braces,
unused_imports,
unused_must_use,
unused_mut,
unused_qualifications,
while_true,
)]
#[macro_use] extern crate libimagrt;
simple_imag_application_binary!(libimagmvcmd, ImagMv);

181
bin/core/imag-mv/src/lib.rs Normal file
View file

@ -0,0 +1,181 @@
//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2019 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
//
#![forbid(unsafe_code)]
#![deny(
non_camel_case_types,
non_snake_case,
path_statements,
trivial_numeric_casts,
unstable_features,
unused_allocation,
unused_import_braces,
unused_imports,
unused_must_use,
unused_mut,
unused_qualifications,
while_true,
)]
#[macro_use] extern crate log;
extern crate clap;
extern crate failure;
extern crate libimagrt;
extern crate libimagstore;
extern crate libimagerror;
extern crate libimagentrylink;
use std::process::exit;
mod ui;
use std::path::PathBuf;
use std::result::Result as RResult;
use libimagrt::runtime::Runtime;
use libimagrt::application::ImagApplication;
use libimagerror::trace::MapErrTrace;
use libimagerror::iter::TraceIterator;
use libimagerror::exit::ExitUnwrap;
use libimagstore::storeid::StoreId;
use libimagstore::store::Store;
use libimagstore::store::FileLockEntry;
use libimagentrylink::linkable::Linkable;
use libimagstore::iter::get::StoreIdGetIteratorExtension;
use failure::Fallible as Result;
use clap::App;
/// Marker enum for implementing ImagApplication on
///
/// This is used by binaries crates to execute business logic
/// or to build a CLI completion.
pub enum ImagMv {}
impl ImagApplication for ImagMv {
fn run(rt: Runtime) -> Result<()> {
let sourcename = rt
.cli()
.value_of("source")
.map(PathBuf::from)
.map(StoreId::new)
.unwrap() // unwrap safe by clap
.map_err_trace_exit_unwrap();
let destname = rt
.cli()
.value_of("dest")
.map(PathBuf::from)
.map(StoreId::new)
.unwrap() // unwrap safe by clap
.map_err_trace_exit_unwrap();
// remove links to entry, and re-add them later
let mut linked_entries = {
rt.store()
.get(sourcename.clone())
.map_err_trace_exit_unwrap()
.unwrap_or_else(|| {
error!("Funny things happened: Entry moved to destination did not fail, but entry does not exist");
exit(1)
})
.links()
.map_err_trace_exit_unwrap()
.map(|link| Ok(link.get_store_id().clone()) as RResult<_, _>)
.into_get_iter(rt.store())
.trace_unwrap_exit()
.map(|e| {
e.unwrap_or_else(|| {
error!("Linked entry does not exist");
exit(1)
})
})
.collect::<Vec<_>>()
};
{ // remove links to linked entries from source
let mut entry = rt
.store()
.get(sourcename.clone())
.map_err_trace_exit_unwrap()
.unwrap_or_else(|| {
error!("Source Entry does not exist");
exit(1)
});
for link in linked_entries.iter_mut() {
let _ = entry.remove_link(link).map_err_trace_exit_unwrap();
}
}
let _ = rt
.store()
.move_by_id(sourcename.clone(), destname.clone())
.map_err(|e| { // on error, re-add links
debug!("Re-adding links to source entry because moving failed");
relink(rt.store(), sourcename.clone(), &mut linked_entries);
e
})
.map_err_trace_exit_unwrap();
let _ = rt.report_touched(&destname).unwrap_or_exit();
// re-add links to moved entry
relink(rt.store(), destname, &mut linked_entries);
info!("Ok.");
Ok(())
}
fn build_cli<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
ui::build_ui(app)
}
fn name() -> &'static str {
env!("CARGO_PKG_NAME")
}
fn description() -> &'static str {
"Move things around in the store"
}
fn version() -> &'static str {
env!("CARGO_PKG_VERSION")
}
}
fn relink<'a>(store: &'a Store, target: StoreId, linked_entries: &mut Vec<FileLockEntry<'a>>) {
let mut entry = store
.get(target)
.map_err_trace_exit_unwrap()
.unwrap_or_else(|| {
error!("Funny things happened: Entry moved to destination did not fail, but entry does not exist");
exit(1)
});
for mut link in linked_entries {
let _ = entry.add_link(&mut link).map_err_trace_exit_unwrap();
}
}

156
bin/core/imag-mv/src/main.rs
View file

@ -1,156 +0,0 @@
//
// imag - the personal information management suite for the commandline
// Copyright (C) 2015-2019 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
//
#![forbid(unsafe_code)]
#![deny(
non_camel_case_types,
non_snake_case,
path_statements,
trivial_numeric_casts,
unstable_features,
unused_allocation,
unused_import_braces,
unused_imports,
unused_must_use,
unused_mut,
unused_qualifications,
while_true,
)]
#[macro_use] extern crate log;
extern crate clap;
#[macro_use] extern crate libimagrt;
extern crate libimagstore;
extern crate libimagerror;
extern crate libimagentrylink;
use std::process::exit;
mod ui;
use crate::ui::build_ui;
use std::path::PathBuf;
use libimagrt::setup::generate_runtime_setup;
use libimagerror::trace::MapErrTrace;
use libimagerror::iter::TraceIterator;
use libimagerror::exit::ExitUnwrap;
use libimagstore::storeid::StoreId;
use libimagstore::store::Store;
use libimagstore::store::FileLockEntry;
use libimagentrylink::linkable::Linkable;
use libimagstore::iter::get::StoreIdGetIteratorExtension;
fn main() {
let version = make_imag_version!();
let rt = generate_runtime_setup("imag-mv",
&version,
"Move things around in the store",
build_ui);
debug!("mv");
let sourcename = rt
.cli()
.value_of("source")
.map(PathBuf::from)
.map(StoreId::new)
.unwrap() // unwrap safe by clap
.map_err_trace_exit_unwrap();
let destname = rt
.cli()
.value_of("dest")
.map(PathBuf::from)
.map(StoreId::new)
.unwrap() // unwrap safe by clap
.map_err_trace_exit_unwrap();
// remove links to entry, and re-add them later
let mut linked_entries = {
rt.store()
.get(sourcename.clone())
.map_err_trace_exit_unwrap()
.unwrap_or_else(|| {
error!("Funny things happened: Entry moved to destination did not fail, but entry does not exist");
exit(1)
})
.links()
.map_err_trace_exit_unwrap()
.map(|link| Ok(link.get_store_id().clone()) as Result<_, _>)
.into_get_iter(rt.store())
.trace_unwrap_exit()
.map(|e| {
e.unwrap_or_else(|| {
error!("Linked entry does not exist");
exit(1)
})
})
.collect::<Vec<_>>()
};
{ // remove links to linked entries from source
let mut entry = rt
.store()
.get(sourcename.clone())
.map_err_trace_exit_unwrap()
.unwrap_or_else(|| {
error!("Source Entry does not exist");
exit(1)
});
for link in linked_entries.iter_mut() {
entry.remove_link(link).map_err_trace_exit_unwrap();
}
}
rt
.store()
.move_by_id(sourcename.clone(), destname.clone())
.map_err(|e| { // on error, re-add links
debug!("Re-adding links to source entry because moving failed");
relink(rt.store(), sourcename.clone(), &mut linked_entries);
e
})
.map_err_trace_exit_unwrap();
rt.report_touched(&destname).unwrap_or_exit();
// re-add links to moved entry
relink(rt.store(), destname, &mut linked_entries);
info!("Ok.");
}
fn relink<'a>(store: &'a Store, target: StoreId, linked_entries: &mut Vec<FileLockEntry<'a>>) {
let mut entry = store
.get(target)
.map_err_trace_exit_unwrap()
.unwrap_or_else(|| {
error!("Funny things happened: Entry moved to destination did not fail, but entry does not exist");
exit(1)
});
for mut link in linked_entries {
entry.add_link(&mut link).map_err_trace_exit_unwrap();
}
}