From 393ab18520eb5019d00822ae744a4d4e65304226 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 8 Dec 2022 10:52:04 +0200
Subject: Add --[no]diag-color options (infrastructure only)

---
 bpkg/utility.hxx | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'bpkg/utility.hxx')

diff --git a/bpkg/utility.hxx b/bpkg/utility.hxx
index 342d608..1f5c725 100644
--- a/bpkg/utility.hxx
+++ b/bpkg/utility.hxx
@@ -152,9 +152,17 @@ namespace bpkg
   dir_path
   current_directory ();
 
-  // Progress.
+  // Diagnostics.
   //
-  extern bool stderr_term; // True if stderr is a terminal.
+  // If stderr is not a terminal, then the value is absent (so can be used as
+  // bool). Otherwise, it is the value of the TERM environment variable (which
+  // can be NULL).
+  //
+  extern optional<const char*> stderr_term;
+
+  // True if the color can be used on the stderr terminal.
+  //
+  extern bool stderr_term_color;
 
   // Y/N prompt. See butl::yn_prompt() for details (this is a thin wrapper).
   //
-- 
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