diff options
author | Ludovic Courtès <ludovic.courtes@inria.fr> | 2019-12-10 15:54:37 +0100 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2019-12-10 20:56:05 +0100 |
commit | dc995fcd5a62496721757f4ecb7f9b9d65399b5c (patch) | |
tree | 15dd7b379c928ef204c0ef106c7c0f09563cbcbe /doc/guix.texi | |
parent | fc8131638499d907153473119279cbcd7f029bc7 (diff) |
pack: Clarify the /bin/sh requirement for Singularity.
* guix/scripts/pack.scm (squashfs-image)[symlinks*]: New variable.
[build]: Use it instead of SYMLINKS.
(guix-pack): Emit a warning and a hint when "bash" and "bash-minimal"
are missing and PACK-FORMAT is 'squashfs.
* doc/guix.texi (Invoking guix pack): Document the /bin/sh requirement
for Singularity.
Diffstat (limited to 'doc/guix.texi')
-rw-r--r-- | doc/guix.texi | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 3f646cd2ca..25efba118f 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -5053,7 +5053,7 @@ Yet another option is to produce a SquashFS image with the following command: @example -guix pack -f squashfs guile emacs geiser +guix pack -f squashfs bash guile emacs geiser @end example @noindent @@ -5088,6 +5088,21 @@ package names passed on the command line or in the manifest file. This produces a SquashFS image containing all the specified binaries and symlinks, as well as empty mount points for virtual file systems like procfs. + +@quotation Note +Singularity @emph{requires} you to provide @file{/bin/sh} in the image. +For that reason, @command{guix pack -f squashfs} always implies @code{-S +/bin=bin}. Thus, your @command{guix pack} invocation must always start +with something like: + +@example +guix pack -f squashfs bash @dots{} +@end example + +If you forget the @code{bash} (or similar) package, @command{singularity +run} and @command{singularity exec} will fail with an unhelpful ``no +such file or directory'' message. +@end quotation @end table @cindex relocatable binaries |