docker: add 'apt-fake' script which generate fake debian packages

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

tests/docker/dockerfiles/debian-apt-fake.sh

@@ -0,0 +1,46 @@
+#! /bin/sh
+#
+# Generate fake debian package to resolve unimportant unmet dependencies held
+# by upstream multiarch broken packages.
+#
+# Copyright (c) 2017 Philippe Mathieu-Daudé <f4bug@amsat.org>
+#
+# This work is licensed under the terms of the GNU GPL, version 2
+# or (at your option) any later version. See the COPYING file in
+# the top-level directory.
+
+test $1 = "install" && shift 1
+
+fake_install()
+{
+    echo "Generating fake $2 $1 $3 ..."
+    (cd /var/cache/apt/archives
+        (cat << 'EOF'
+Section: misc
+Priority: optional
+Standards-Version: 3.9.2
+
+Package: NAME
+Version: VERSION
+Maintainer: qemu-devel@nongnu.org
+Architecture: any
+Multi-Arch: same
+Description: fake NAME
+EOF
+        ) | sed s/NAME/$2/g | sed s/VERSION/$3/g > $2.control
+        equivs-build -a $1 $2.control 1>/dev/null 2>/dev/null
+        dpkg -i --force-overwrite $2_$3_$1.deb
+    )
+}
+
+try_install()
+{
+    name=$(echo $1|sed "s/\(.*\):\(.*\)=\(.*\)/\1/")
+    arch=$(echo $1|sed "s/\(.*\):\(.*\)=\(.*\)/\2/")
+    vers=$(echo $1|sed "s/\(.*\):\(.*\)=\(.*\)/\3/")
+    apt-get install -q -yy $1 || fake_install $arch $name $vers
+}
+
+for package in $*; do
+    try_install $package
+done