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| author | Ludovic Courtès <ludovic.courtes@inria.fr> | 2019-12-10 15:54:37 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2019-12-10 20:56:05 +0100 |
| commit | dc995fcd5a62496721757f4ecb7f9b9d65399b5c (patch) | |
| tree | 15dd7b379c928ef204c0ef106c7c0f09563cbcbe /guix/scripts | |
| 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 'guix/scripts')
| -rw-r--r-- | guix/scripts/pack.scm | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm index 61d18e2609..bbacc93bc0 100644 --- a/guix/scripts/pack.scm +++ b/guix/scripts/pack.scm @@ -334,6 +334,16 @@ added to the pack." (define environment (singularity-environment-file profile)) + (define symlinks* + ;; Singularity requires /bin (specifically /bin/sh), so ensure that + ;; symlink is created. + (if (find (match-lambda + (("/bin" . _) #t) + (_ #f)) + symlinks) + symlinks + `(("/bin" -> "bin") ,@symlinks))) + (define build (with-imported-modules (source-module-closure '((guix build utils) @@ -407,7 +417,7 @@ added to the pack." "s" "777" "0" "0" (relative-file-name (dirname source) target))))))) - '#$symlinks) + '#$symlinks*) "-p" "/.singularity.d d 555 0 0" @@ -1049,9 +1059,18 @@ Create a bundle of PACKAGE.\n")) (entry-point (assoc-ref opts 'entry-point)) (profile-name (assoc-ref opts 'profile-name)) (gc-root (assoc-ref opts 'gc-root))) + (define (lookup-package package) + (manifest-lookup manifest (manifest-pattern (name package)))) + (when (null? (manifest-entries manifest)) (warning (G_ "no packages specified; building an empty pack~%"))) + (when (and (eq? pack-format 'squashfs) + (not (any lookup-package '("bash" "bash-minimal")))) + (warning (G_ "Singularity requires you to provide a shell~%")) + (display-hint (G_ "Add @code{bash} or @code{bash-minimal} \ +to your package list."))) + (run-with-store store (mlet* %store-monad ((profile (profile-derivation manifest |