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/src/main.rs | 143 ---------------------------------------------------
 1 file changed, 143 deletions(-)
 delete mode 100644 rs/shell/src/main.rs

(limited to 'rs/shell/src')

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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