From 49a90d4c31148a6533d9ee9a288f42b454b2f421 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 16 Oct 2020 19:46:03 +0200
Subject: Switch from not_bash to xshell

---
 xtask/src/not_bash.rs | 169 --------------------------------------------------
 1 file changed, 169 deletions(-)
 delete mode 100644 xtask/src/not_bash.rs

(limited to 'xtask/src/not_bash.rs')

diff --git a/xtask/src/not_bash.rs b/xtask/src/not_bash.rs
deleted file mode 100644
index 038898993..000000000
--- a/xtask/src/not_bash.rs
+++ /dev/null
@@ -1,169 +0,0 @@
-//! A bad shell -- small cross platform module for writing glue code
-
-use std::{
-    cell::RefCell,
-    env,
-    ffi::OsString,
-    io::{self, Write},
-    path::{Path, PathBuf},
-    process::{Command, Stdio},
-};
-
-use anyhow::{bail, Context, Result};
-
-pub use fs_err as fs2;
-
-#[macro_export]
-macro_rules! run {
-    ($($expr:expr),*) => {
-        run!($($expr),*; echo = true)
-    };
-    ($($expr:expr),* ; echo = $echo:expr) => {
-        $crate::not_bash::run_process(format!($($expr),*), $echo, None)
-    };
-    ($($expr:expr),* ;  <$stdin:expr) => {
-        $crate::not_bash::run_process(format!($($expr),*), false, Some($stdin))
-    };
-}
-pub use crate::run;
-
-pub struct Pushd {
-    _p: (),
-}
-
-pub fn pushd(path: impl Into<PathBuf>) -> Pushd {
-    Env::with(|env| env.pushd(path.into()));
-    Pushd { _p: () }
-}
-
-impl Drop for Pushd {
-    fn drop(&mut self) {
-        Env::with(|env| env.popd())
-    }
-}
-
-pub struct Pushenv {
-    _p: (),
-}
-
-pub fn pushenv(var: &str, value: &str) -> Pushenv {
-    Env::with(|env| env.pushenv(var.into(), value.into()));
-    Pushenv { _p: () }
-}
-
-impl Drop for Pushenv {
-    fn drop(&mut self) {
-        Env::with(|env| env.popenv())
-    }
-}
-
-pub fn rm_rf(path: impl AsRef<Path>) -> io::Result<()> {
-    let path = path.as_ref();
-    if !path.exists() {
-        return Ok(());
-    }
-    if path.is_file() {
-        fs2::remove_file(path)
-    } else {
-        fs2::remove_dir_all(path)
-    }
-}
-
-#[doc(hidden)]
-pub fn run_process(cmd: String, echo: bool, stdin: Option<&[u8]>) -> Result<String> {
-    run_process_inner(&cmd, echo, stdin).with_context(|| format!("process `{}` failed", cmd))
-}
-
-pub fn date_iso() -> Result<String> {
-    run!("date --iso --utc")
-}
-
-fn run_process_inner(cmd: &str, echo: bool, stdin: Option<&[u8]>) -> Result<String> {
-    let mut args = shelx(cmd);
-    let binary = args.remove(0);
-    let current_dir = Env::with(|it| it.cwd().to_path_buf());
-
-    if echo {
-        println!("> {}", cmd)
-    }
-
-    let mut command = Command::new(binary);
-    command.args(args).current_dir(current_dir).stderr(Stdio::inherit());
-    let output = match stdin {
-        None => command.stdin(Stdio::null()).output(),
-        Some(stdin) => {
-            command.stdin(Stdio::piped()).stdout(Stdio::piped());
-            let mut process = command.spawn()?;
-            process.stdin.take().unwrap().write_all(stdin)?;
-            process.wait_with_output()
-        }
-    }?;
-    let stdout = String::from_utf8(output.stdout)?;
-
-    if echo {
-        print!("{}", stdout)
-    }
-
-    if !output.status.success() {
-        bail!("{}", output.status)
-    }
-
-    Ok(stdout.trim().to_string())
-}
-
-// FIXME: some real shell lexing here
-fn shelx(cmd: &str) -> Vec<String> {
-    let mut res = Vec::new();
-    for (string_piece, in_quotes) in cmd.split('\'').zip([false, true].iter().copied().cycle()) {
-        if in_quotes {
-            res.push(string_piece.to_string())
-        } else {
-            if !string_piece.is_empty() {
-                res.extend(string_piece.split_ascii_whitespace().map(|it| it.to_string()))
-            }
-        }
-    }
-    res
-}
-
-struct Env {
-    pushd_stack: Vec<PathBuf>,
-    pushenv_stack: Vec<(OsString, Option<OsString>)>,
-}
-
-impl Env {
-    fn with<F: FnOnce(&mut Env) -> T, T>(f: F) -> T {
-        thread_local! {
-            static ENV: RefCell<Env> = RefCell::new(Env {
-                pushd_stack: vec![env::current_dir().unwrap()],
-                pushenv_stack: vec![],
-            });
-        }
-        ENV.with(|it| f(&mut *it.borrow_mut()))
-    }
-
-    fn pushd(&mut self, dir: PathBuf) {
-        let dir = self.cwd().join(dir);
-        self.pushd_stack.push(dir);
-        env::set_current_dir(self.cwd())
-            .unwrap_or_else(|err| panic!("Failed to set cwd to {}: {}", self.cwd().display(), err));
-    }
-    fn popd(&mut self) {
-        self.pushd_stack.pop().unwrap();
-        env::set_current_dir(self.cwd()).unwrap();
-    }
-    fn pushenv(&mut self, var: OsString, value: OsString) {
-        self.pushenv_stack.push((var.clone(), env::var_os(&var)));
-        env::set_var(var, value)
-    }
-    fn popenv(&mut self) {
-        let (var, value) = self.pushenv_stack.pop().unwrap();
-        match value {
-            None => env::remove_var(var),
-            Some(value) => env::set_var(var, value),
-        }
-    }
-    fn cwd(&self) -> &Path {
-        self.pushd_stack.last().unwrap()
-    }
-}
-- 
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