From 243a8c53ae03713b3d6b4f5bf82859f9c93be6ed Mon Sep 17 00:00:00 2001
From: Rory Dudley
Date: Sat, 28 Sep 2024 14:57:03 -0600
Subject: Add support for inline environment variables

This patch adds the 'Notes' rune (`=`), which allows for passing
environment variables, inline, to a binary, like so:

  EDITOR=vim sudo visudo

Signed-off-by: Rory Dudley <rory@netc.lu>
---
 src/poem/elements/rune.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/poem/elements/rune.rs')

diff --git a/src/poem/elements/rune.rs b/src/poem/elements/rune.rs
index 79d53d0..8573583 100644
--- a/src/poem/elements/rune.rs
+++ b/src/poem/elements/rune.rs
@@ -35,6 +35,10 @@ pub enum Rune {
     /// A subcommand to run first (`\``)
     Poem,
 
+    /// Denotes an environment variable (`=`),
+    /// only if the verse is empty so far
+    Notes,
+
     /// Read files into STDIN (`<`)
     Read,
 
@@ -89,6 +93,7 @@ impl fmt::Display for Rune {
             Rune::Remark => "#",
             Rune::String => "\"",
             Rune::Poem => "`",
+            Rune::Notes => "=",
             Rune::Read => "<",
             Rune::Write => ">",
             Rune::Write2 => "2>",
-- 
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