From 9f68a2a9c41166ec5ac24c082bcd96c433dd2ede Mon Sep 17 00:00:00 2001 From: Josselin Poiret Date: Thu, 30 Mar 2023 22:42:10 +0200 Subject: doc: Note that `guix shell` should contain base language packages. * doc/guix.texi (Invoking guix shell): Explain that python must be included in the invocation even if it is already available in the external environment. Suggested-by: Skyler --- doc/guix.texi | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/doc/guix.texi b/doc/guix.texi index c60e0b87b2..6105195bd9 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -96,7 +96,7 @@ Copyright @copyright{} 2021 Domagoj Stolfa@* Copyright @copyright{} 2021 Hui Lu@* Copyright @copyright{} 2021 pukkamustard@* Copyright @copyright{} 2021 Alice Brenon@* -Copyright @copyright{} 2021, 2022 Josselin Poiret@* +Copyright @copyright{} 2021-2023 Josselin Poiret@* Copyright @copyright{} 2021, 2023 muradm@* Copyright @copyright{} 2021, 2022 Andrew Tropin@* Copyright @copyright{} 2021 Sarah Morgensen@* @@ -6271,6 +6271,14 @@ building or downloading any missing package, and runs the guix shell python python-numpy -- python3 @end example +Note that it is necessary to include the main @code{python} package in +this command even if it is already installed into your environment. +This is so that the shell environment knows to set @env{PYTHONPATH} and +other related variables. The shell environment cannot check the +previously installed environment, because then it would be +non-deterministic. This is true for most libraries: their corresponding +language package should be included in the shell invocation. + @quotation Note @cindex shebang, for @command{guix shell} @command{guix shell} can be also be used as a script interpreter, also -- cgit v1.2.3