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//
// 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 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::internal::InternalLinker;
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)
})
.get_internal_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() {
let _ = entry.remove_internal_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.");
}
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_internal_link(&mut link).map_err_trace_exit_unwrap();
}
}
|
