From 5c3332884a917d4da05bfa437ee8b7c7ba5a56b9 Mon Sep 17 00:00:00 2001
From: Tin Lai <oscar@tinyiu.com>
Date: Thu, 21 Sep 2023 13:31:31 +1000
Subject: implements ability to edit from taking piped inputs

Signed-off-by: Tin Lai <oscar@tinyiu.com>
---
 src/edit.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/edit.rs')

diff --git a/src/edit.rs b/src/edit.rs
index aa8c7b1..057996d 100644
--- a/src/edit.rs
+++ b/src/edit.rs
@@ -3,6 +3,14 @@ use crate::prelude::*;
 use std::io::{Read as _, Write as _};
 
 pub fn edit(contents: &str, help: &str) -> Result<String> {
+    if ! atty::is(atty::Stream::Stdin) {
+        // directly read from piped content
+        return match std::io::read_to_string(std::io::stdin()) {
+            Err(e) => Err(Error::FailedToReadFromStdin{ err: e }),
+            Ok(res) => Ok(res),
+        };
+    }
+
     let mut var = "VISUAL";
     let editor = std::env::var_os(var).unwrap_or_else(|| {
         var = "EDITOR";
-- 
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