From 0367cbc75712f4be692a1ec3d37510cf2751ca3a Mon Sep 17 00:00:00 2001
From: Vivien Kraus <vivien@planete-kraus.eu>
Date: Fri, 30 Jul 2021 16:00:04 +0200
Subject: Add a command to generate the docker image

---
 guix/vkraus/packages/disfluid-load-image.scm | 89 ++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 guix/vkraus/packages/disfluid-load-image.scm

diff --git a/guix/vkraus/packages/disfluid-load-image.scm b/guix/vkraus/packages/disfluid-load-image.scm
new file mode 100644
index 0000000..90a6ff3
--- /dev/null
+++ b/guix/vkraus/packages/disfluid-load-image.scm
@@ -0,0 +1,89 @@
+;; disfluid, implementation of the Solid specification
+;; Copyright (C) 2020, 2021  Vivien Kraus
+
+;; This program is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU Affero General Public License as
+;; published by the Free Software Foundation, either version 3 of the
+;; License, or (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU Affero General Public License for more details.
+
+;; You should have received a copy of the GNU Affero General Public License
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+(define-module (vkraus packages disfluid-load-image)
+  #:use-module (guix packages)
+  #:use-module (guix gexp)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix download)
+  #:use-module (guix git-download)
+  #:use-module (guix build-system trivial)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages bash)
+  #:use-module (gnu packages docker))
+
+(define builder
+  '(let ((out (assoc-ref %outputs "out"))
+         (bash-in (assoc-ref %build-inputs "bash"))
+         (coreutils-in (assoc-ref %build-inputs "coreutils"))
+         (grep-in (assoc-ref %build-inputs "grep"))
+         (docker-in (assoc-ref %build-inputs "docker-cli")))
+     (mkdir out)
+     (mkdir (string-append out "/bin"))
+     (call-with-output-file (string-append out "/bin/disfluid-load-image")
+       (lambda (port)
+         (format port "#!~a/bin/bash
+if ! VERSION=$(guix show disfluid | ~a/bin/grep '^version:' | ~a/bin/cut -d ' ' -f 2)
+then
+    >&2 echo \"Failed to get disfluid version.\"
+    exit 1
+fi
+
+if ! TARBALL=$(guix pack -c 16 -f docker -Sbin=/bin gnutls nss-certs disfluid)
+then
+    >&2 echo \"Failed to put disfluid in a pack.\"
+    exit 1
+fi
+
+if ! IMAGE=$(sudo ~a/bin/docker load -i $TARBALL | ~a/bin/tail -n 1 | ~a/bin/cut -b 15-)
+then
+    >&2 echo \"Failed to load the image.\"
+    exit 1
+fi
+
+sudo ~a/bin/docker tag $IMAGE vivienkraus/disfluid:$VERSION \
+  || (>&2 echo \"Failed to tag the image.\" ; exit 1)
+
+sudo ~a/bin/docker tag vivienkraus/disfluid:$VERSION vivienkraus/disfluid:latest \
+  || (>&2 echo \"Failed to tag the image.\" ; exit 1)
+
+echo vivienkraus/disfluid:$VERSION
+"
+                 bash-in
+                 grep-in coreutils-in
+                 docker-in coreutils-in coreutils-in
+                 docker-in
+                 docker-in)))
+     (chmod (string-append out "/bin/disfluid-load-image") #o755)
+     #t))
+
+(define-public disfluid-load-image
+  (package
+   (name "disfluid-load-image")
+   (version "0.0.0")
+   (source (plain-file "empty" ""))
+   (build-system trivial-build-system)
+   (arguments `(#:builder ,builder))
+   (inputs `(("bash" ,bash)
+             ("coreutils" ,coreutils)
+             ("grep" ,grep)
+             ("docker-cli" ,docker-cli)))
+   (synopsis "Generate a docker image for disfluid")
+   (description "Some people like to have disfluid in a docker image, but the guix pack invocation is not trivial.")
+   (home-page "https://labo.planete-kraus.eu/webid-oidc.git")
+   (license license:gpl3+)))
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