From 6095ead99248963ae70091c5bb3399eed49c0826 Mon Sep 17 00:00:00 2001
From: Rutger Broekhoff
Date: Wed, 24 Jan 2024 18:58:58 +0100
Subject: Remove Go and C source
The Rust implementation now implements all features I need
---
rs/shell/Cargo.toml | 6 ---
rs/shell/src/main.rs | 143 ---------------------------------------------------
2 files changed, 149 deletions(-)
delete mode 100644 rs/shell/Cargo.toml
delete mode 100644 rs/shell/src/main.rs
(limited to 'rs/shell')
diff --git a/rs/shell/Cargo.toml b/rs/shell/Cargo.toml
deleted file mode 100644
index 0dcb6d6..0000000
--- a/rs/shell/Cargo.toml
+++ /dev/null
@@ -1,6 +0,0 @@
-[package]
-name = "shell"
-version = "0.1.0"
-edition = "2021"
-
-[dependencies]
diff --git a/rs/shell/src/main.rs b/rs/shell/src/main.rs
deleted file mode 100644
index ef0ef48..0000000
--- a/rs/shell/src/main.rs
+++ /dev/null
@@ -1,143 +0,0 @@
-use std::{os::unix::process::CommandExt, process::ExitCode};
-
-fn parse_sq(s: &str) -> Option<(String, &str)> {
- #[derive(PartialEq, Eq)]
- enum SqState {
- Quoted,
- Unquoted { may_escape: bool },
- UnquotedEscaped,
- }
-
- let mut result = String::new();
- let mut state = SqState::Unquoted { may_escape: false };
- let mut remaining = "";
- for (i, c) in s.char_indices() {
- match state {
- SqState::Unquoted { may_escape: false } => {
- if c != '\'' {
- return None;
- }
- state = SqState::Quoted
- }
- SqState::Quoted => {
- if c == '\'' {
- state = SqState::Unquoted { may_escape: true };
- continue;
- }
- result.push(c);
- }
- SqState::Unquoted { may_escape: true } => {
- if is_posix_space(c) {
- remaining = &s[i..];
- break;
- }
- if c != '\\' {
- return None;
- }
- state = SqState::UnquotedEscaped;
- }
- SqState::UnquotedEscaped => {
- if c != '\\' && c != '!' {
- return None;
- }
- result.push(c);
- state = SqState::Unquoted { may_escape: false };
- }
- }
- }
-
- if state != (SqState::Unquoted { may_escape: true }) {
- return None;
- }
- Some((result, remaining))
-}
-
-fn parse_cmd(mut cmd: &str) -> Option<Vec<String>> {
- let mut args = Vec::<String>::new();
-
- cmd = cmd.trim_matches(is_posix_space);
- while cmd != "" {
- if cmd.starts_with('\'') {
- let (arg, remaining) = parse_sq(cmd)?;
- args.push(arg);
- cmd = remaining.trim_start_matches(is_posix_space);
- } else if let Some((arg, remaining)) = cmd.split_once(is_posix_space) {
- args.push(arg.to_owned());
- cmd = remaining.trim_start_matches(is_posix_space);
- } else {
- args.push(cmd.to_owned());
- cmd = "";
- }
- }
-
- Some(args)
-}
-
-fn is_posix_space(c: char) -> bool {
- // Form feed: 0x0c
- // Vertical tab: 0x0b
- c == ' ' || c == '\x0c' || c == '\n' || c == '\r' || c == '\t' || c == '\x0b'
-}
-
-fn main() -> ExitCode {
- let bad_usage = ExitCode::from(2);
-
- let mut args = std::env::args().skip(1);
- if args.next() != Some("-c".to_string()) {
- eprintln!("Expected usage: shell -c <argument>");
- return bad_usage;
- }
- let Some(cmd) = args.next() else {
- eprintln!("Missing argument for argument '-c'");
- return bad_usage;
- };
- if args.next() != None {
- eprintln!("Too many arguments passed");
- return bad_usage;
- }
-
- let Some(mut cmd) = parse_cmd(&cmd) else {
- eprintln!("Bad command");
- return bad_usage;
- };
-
- let Some(mut program) = cmd.drain(0..1).next() else {
- eprintln!("Bad command");
- return bad_usage;
- };
- if program == "git" {
- let Some(subcommand) = cmd.drain(0..1).next() else {
- eprintln!("Bad command");
- return bad_usage;
- };
- program.push('-');
- program.push_str(&subcommand);
- }
-
- let mut args = Vec::new();
-
- let git_cmds = ["git-receive-pack", "git-upload-archive", "git-upload-pack"];
- if git_cmds.contains(&program.as_str()) {
- if cmd.len() != 1 {
- eprintln!("Bad command");
- return bad_usage;
- }
- let repository = cmd[0].trim_start_matches('/');
- args.push(repository);
- } else if program == "git-lfs-authenticate" {
- if cmd.len() != 2 {
- eprintln!("Bad command");
- return bad_usage;
- }
- let repository = cmd[0].trim_start_matches('/');
- args.push(repository);
- args.push(&cmd[1]);
- } else {
- eprintln!("Unknown command");
- return bad_usage;
- }
-
- let e = std::process::Command::new(program).args(args).exec();
- eprintln!("Error: {e}");
- ExitCode::FAILURE
-}
--
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