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authorRicardo Wurmus <ricardo.wurmus@mdc-berlin.de>2018-05-25 16:24:49 +0200
committerRicardo Wurmus <rekado@elephly.net>2018-05-28 17:36:09 +0200
commitb2817f0fa511ddfa4d31846b9d297ad36eea1b43 (patch)
tree8ffa458549c070583ac10281acacecb67e8e6206 /doc
parent5ffac538aa604b71814ac74579626f0d3110b96e (diff)
pack: Add support for squashfs images.
* guix/scripts/pack.scm (%formats): Add "squashfs" format. (guix-pack): Adjust "archiver" dependent on pack-format. (squashfs-image): New procedure. * doc/guix.texi (Invoking guix pack): Document it.
Diffstat (limited to 'doc')
-rw-r--r--doc/guix.texi21
1 files changed, 21 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 5eee40fc3c..6ff3e44d8c 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -2856,6 +2856,22 @@ command. See the
@uref{https://docs.docker.com/engine/reference/commandline/load/, Docker
documentation} for more information.
+@cindex Singularity, build an image with guix pack
+@cindex SquashFS, build an image with guix pack
+Yet another option is to produce a SquashFS image with the following
+command:
+
+@example
+guix pack -f squashfs guile emacs geiser
+@end example
+
+@noindent
+The result is a SquashFS file system image that can either be mounted or
+directly be used as a file system container image with the
+@uref{http://singularity.lbl.gov, Singularity container execution
+environment}, using commands like @command{singularity shell} or
+@command{singularity exec}.
+
Several command-line options allow you to customize your pack:
@table @code
@@ -2874,6 +2890,11 @@ specified binaries and symlinks.
This produces a tarball that follows the
@uref{https://github.com/docker/docker/blob/master/image/spec/v1.2.md,
Docker Image Specification}.
+
+@item squashfs
+This produces a SquashFS image containing all the specified binaries and
+symlinks, as well as empty mount points for virtual file systems like
+procfs.
@end table
@item --relocatable