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backup_control: Add arguments module

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Contains functions that create the CLI arguments associated with the backup
functionality.
This commit is contained in:
Andreas Hartmann 2021-07-20 15:07:53 +02:00 committed by Michael Debertol
parent baebefcb6a
commit 2c6410f4d8
1 changed files with 33 additions and 0 deletions
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33
src/uucore/src/lib/mods/backup_control.rs
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@ -25,6 +25,39 @@ pub enum BackupMode {
ExistingBackup,
}
pub mod arguments {
extern crate clap;
pub static OPT_BACKUP: &str = "backupopt_backup";
pub static OPT_BACKUP_NO_ARG: &str = "backupopt_b";
pub static OPT_SUFFIX: &str = "backupopt_suffix";
pub fn backup() -> clap::Arg<'static, 'static> {
clap::Arg::with_name(OPT_BACKUP)
.long("backup")
.help("make a backup of each existing destination file")
.takes_value(true)
.require_equals(true)
.min_values(0)
.value_name("CONTROL")
}
pub fn backup_no_args() -> clap::Arg<'static, 'static> {
clap::Arg::with_name(OPT_BACKUP_NO_ARG)
.short("b")
.help("like --backup but does not accept an argument")
}
pub fn suffix() -> clap::Arg<'static, 'static> {
clap::Arg::with_name(OPT_SUFFIX)
.short("S")
.long("suffix")
.help("override the usual backup suffix")
.takes_value(true)
.value_name("SUFFIX")
}
}
pub fn determine_backup_suffix(supplied_suffix: Option<&str>) -> String {
if let Some(suffix) = supplied_suffix {
String::from(suffix)