doneHEADmaster

6 files changed, 82 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/COPYING b/COPYING
new file mode 100644
index 0000000..4cb8dc7
--- /dev/null
+++ b/COPYING
@@ -0,0 +1,15 @@
+desterr - tool to destinguish stderr and stdout
+Copyright (C) 2022 metamuffin
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, version 3 of the
+License only.
+
+This program 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 Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..be1a8ab
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "desterr"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..972d88b
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "desterr"
+version = "0.1.0"
+edition = "2021"
+authors = ["metamuffin <metamuffin@disroot.org>"]
+license = "AGPL-3.0-only"
diff --git a/readme.md b/readme.md
new file mode 100644
index 0000000..71753a2
--- /dev/null
+++ b/readme.md
@@ -0,0 +1,16 @@
+# desterr
+
+Destinguish stderr from stdout, when its not obvious.
+
+## Usage
+
+`desterr <command>`
+
+## Examples
+
+```
+echo 'cat: evil: No such file or directory' > evil
+
+desterr cat normal      # error will be red here
+desterr cat evil        # error is white
+```
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..f16a236
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: AGPL-3.0-only
+
+use std::{
+    io::{Read, Write},
+    process::{exit, Command, Stdio},
+};
+
+fn main() {
+    let args = std::env::args().skip(1);
+
+    let args = args.collect::<Vec<_>>();
+    if args.len() == 0 {
+        eprintln!("desterr: no command");
+        exit(1);
+    }
+
+    let mut proc = Command::new(&args[0])
+        .args(&args[1..])
+        .stderr(Stdio::piped())
+        .stdout(Stdio::inherit())
+        .stdin(Stdio::inherit())
+        .spawn()
+        .unwrap();
+
+    let mut cstderr = proc.stderr.take().unwrap();
+    let mut buf = [0u8; 1024];
+    let mut pstderr = std::io::stderr();
+
+    while let Ok(r) = cstderr.read(&mut buf) {
+        if r == 0 {
+            break;
+        }
+        pstderr.write_fmt(format_args!("\x1b[31m")).unwrap();
+        pstderr.write(&buf[..r]).unwrap();
+        pstderr.write_fmt(format_args!("\x1b[0m")).unwrap();
+    }
+}