First commit

README.md

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+# Gemian Android System Image
+
+Update the postinst script with a new checksum each time we update the system.img

debian/changelog

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+gemian-system (0.1) stretch; urgency=low
+
+  * Initial release
+
+ -- Adam Boardman <adamboardman@gmail.com>  Tue, 5 Mar 2019 11:41:00 +0000

debian/compat

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+10

debian/control

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+Source: gemian-system
+Section: kernel
+Priority: extra
+Maintainer: Adam Boardman <adamboardman@gmail.com>
+Build-Depends:
+Standards-Version: 3.9.8
+Vcs-Git: https://github.com/gemian/gemian-system.git
+
+Package: gemian-system
+Architecture: all
+Depends: xz-utils, curl
+Description: Gemini Android System Image
+ Contains the Android System that is run inside an lxc container

debian/copyright

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+Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: gemian-system
+Source: https://github.com/gemian/gemian-system
+
+Files: *
+Copyright: Various
+License: Various
+
+Files: debian/*
+Copyright: Adam Boardman
+License: LGPL-3
+
+
+License: LGPL-3
+ This package is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 3 of the License.
+ .
+ This package 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
+ Lesser General Public License for more details.
+ .
+ You should have received a copy of the GNU General Public License
+ along with this package. If not, see <http://www.gnu.org/licenses/>.
+ .
+ On Debian systems, the complete text of the GNU Lesser General
+ Public License can be found in "/usr/share/common-licenses/LGPL-3".

debian/postinst

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+#!/bin/bash -e
+
+action="$1"
+oldversion="$2"
+
+if [ "$action" != configure ]; then
+    exit 0
+fi
+
+target_checksum="c977d21306553913ae35b830f9711c03681c7d6c"
+echo "Target checksum $target_checksum"
+
+echo "Checking /data/system.img"
+
+current_checksum="$(sha1sum /data/system.img | cut -d' ' -f1)"
+
+echo "Checksum $current_checksum"
+
+if [ "$target_checksum" == "$current_checksum" ];
+then
+  echo "Android system image upto date"
+  exit 0
+else
+  tempfile="$(mktemp)"
+  rm $tempfile
+  echo "Downloading new Android system image"
+  curl https://gemian.thinkglobally.org/system/system.$target_checksum.img.xz --output $tempfile.xz
+  xz -d $tempfile.xz
+  downloaded_checksum="$(sha1sum $tempfile | cut -d' ' -f1)"
+  if [ "$target_checksum" == "$downloaded_checksum" ];
+  then
+    echo "Moving new system image into place, please reboot to activate"
+    mv $tempfile /data/system.img
+    exit 0
+  else
+    echo "Downloaded checksum fail - check your internet for random errors or man in the middle attacks and retry"
+    exit 1
+  fi
+fi
+

debian/rules

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+#!/usr/bin/make -f
+# -*- makefile -*-
+
+# Uncomment this to turn on verbose mode.
+#export DH_VERBOSE=1
+
+# keep lintian happy:
+build: build-arch build-indep
+build-arch: build-stamp
+build-indep:
+
+build-stamp:
+
+clean: checkdir
+
+binary-arch:
+
+binary-indep:
+	-rm -rf debian/tmp
+	install -p -d -o root -g root -m 755 debian/tmp
+	install -p -d -o root -g root -m 755 debian/tmp/DEBIAN
+	install -p    -o root -g root -m 755 debian/postinst debian/tmp/DEBIAN/
+	dpkg-gencontrol
+	dpkg --build debian/tmp ..
+
+binary:         binary-arch binary-indep
+
+checkdir:
+	@test -f debian/rules
+
+checkroot: checkdir
+	@test 0 = `id -u` || { echo "Error: not super-user"; exit 1; }
+
+.PHONY: binary binary-arch binary-indep clean checkroot checkdir build build-arch build-indep

debian/source/format

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+1.0

debian/source/options

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+tar-ignore=.git
+tar-ignore=.gitignore