GNU bug report logs - #61094
[PATCH] doc: Document 'shebang' for 'guix shell'.

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From: Simon Tournier <zimon.toutoune <at> gmail.com>
To: 61094 <at> debbugs.gnu.org
Cc: Simon Tournier <zimon.toutoune <at> gmail.com>
Subject: [bug#61094] [PATCH] doc: Document 'shebang' for 'guix shell'.
Date: Fri, 27 Jan 2023 12:12:37 +0100

* doc/guix.texi (Invoking guix shell): Add a note mentioning how to use
'shebang'.
---
 doc/guix.texi | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 2b1ad77ba5..acda01c8e6 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -71,7 +71,7 @@ Copyright @copyright{} 2019 Kyle Andrews@*
 Copyright @copyright{} 2019 Alex Griffin@*
 Copyright @copyright{} 2019, 2020, 2021, 2022 Guillaume Le Vaillant@*
 Copyright @copyright{} 2020 Liliana Marie Prikler@*
-Copyright @copyright{} 2019, 2020, 2021, 2022 Simon Tournier@*
+Copyright @copyright{} 2019, 2020, 2021, 2022, 2023 Simon Tournier@*
 Copyright @copyright{} 2020 Wiktor Żelazny@*
 Copyright @copyright{} 2020 Damien Cassou@*
 Copyright @copyright{} 2020 Jakub Kądziołka@*
@@ -5923,6 +5923,19 @@ building or downloading any missing package, and runs the
 guix shell python python-numpy -- python3
 @end example
 
+@quotation Note
+@cindex shebang
+@command{guix shell} can be used as @emph{shebang}.  Consider the
+previous example as an executable Python script, the @emph{shebang}
+reads,
+
+@example
+#!/usr/bin/env -S guix shell python python-nympy -- python3
+@end example
+
+All the @var{options} or convenience of @command{guix shell} apply.
+@end quotation
+
 Development environments can be created as in the example below, which
 spawns an interactive shell containing all the dependencies and
 environment variables needed to work on Inkscape:

base-commit: 8e1cca32b938cef0812ce042c6c2e8bccb326ec7
-- 
2.38.1

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