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add support of switch many states

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deps: add clippy

Closes #7
This commit is contained in:
Dmitriy Pleshevskiy 2022-07-29 18:44:38 +03:00
parent 7d09eb39b6
commit 3972001328
Signed by: pleshevskiy
GPG key ID: 1B59187B161C0215
4 changed files with 282 additions and 23 deletions
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231
Cargo.lock generated
View file

@ -2,6 +2,237 @@
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1
Cargo.toml
View file

@ -11,3 +11,4 @@ categories = ["command-line-interface", "config", "development-tools"]
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
clap = { version = "3.2.15", features = ["derive"] }

36
src/cli.rs Normal file
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@ -0,0 +1,36 @@
//! Copyright (C) 2022, Dmitriy Pleshevskiy <dmitriy@ideascup.me>
//!
//! vnetod is free software: you can redistribute it and/or modify
//! it under the terms of the GNU General Public License as published by
//! the Free Software Foundation, either version 3 of the License, or
//! (at your option) any later version.
//!
//! vnetod 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 General Public License for more details.
//!
//! You should have received a copy of the GNU General Public License
//! along with vnetod. If not, see <https://www.gnu.org/licenses/>.
//!
use clap::Parser;
#[derive(Parser)]
#[clap(
author,
version,
about = "\
Dotenv state switcher
---------------------------------------------------------------------
vnetod Copyright (C) 2022 Dmitriy Pleshevskiy <dmitriy@ideascup.me>
This program comes with ABSOLUTELY NO WARRANTY;
This is free software, and you are welcome to redistribute it
under certain conditions;
---------------------------------------------------------------------
"
)]
pub struct Args {
#[clap(value_parser)]
pub section_names: Vec<String>,
}

37
src/main.rs
View file

@ -13,21 +13,26 @@
//! You should have received a copy of the GNU General Public License
//! along with vnetod. If not, see <https://www.gnu.org/licenses/>.
//!
#![deny(clippy::all, clippy::pedantic)]
mod cli;
use std::{
fs::File,
io::{BufWriter, Write},
};
use clap::Parser;
fn main() -> Result<(), Error> {
match std::env::args().nth(1) {
Some(name) => change_env_layout(&name)?,
_ => print_help(),
};
let cli = cli::Args::parse();
change_env_layout(&cli.section_names)?;
Ok(())
}
fn change_env_layout(name: &str) -> Result<(), Error> {
fn change_env_layout(section_names: &[String]) -> Result<(), Error> {
let content = std::fs::read_to_string(".env").map_err(|_| Error::OpenFile)?;
let mut writer = File::create(".env")
@ -44,10 +49,11 @@ fn change_env_layout(name: &str) -> Result<(), Error> {
current_section_name = section_info.split_whitespace().next().map(String::from);
line.to_string()
} else if let Some(cur_name) = current_section_name.clone() {
if cur_name == name {
String::from(line.trim_start_matches(['#', ' ']))
let trimmed_line = line.trim_start_matches(['#', ' ']);
if section_names.contains(&cur_name) {
String::from(trimmed_line)
} else {
format!("# {}", line.trim_start_matches(['#', ' ']))
format!("# {}", trimmed_line)
}
} else {
line.to_string()
@ -65,21 +71,6 @@ fn is_section_end(line: &str) -> bool {
line.trim().is_empty()
}
fn print_help() {
eprintln!(
"\
USAGE
vnetod [STATE_NAME] - switch environment variable state by name
---
vnetod Copyright (C) 2022 Dmitriy Pleshevskiy <dmitriy@ideascup.me>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
"
)
}
#[derive(Debug)]
enum Error {
OpenFile,