[Qemu-devel] [RFC PATCH 14/23] docker: add 'apt-fake' script which generate fake debian packages

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 tests/docker/Makefile.include               |  2 ++
 tests/docker/dockerfiles/debian-apt-fake.sh | 46 +++++++++++++++++++++++++++++
 tests/docker/dockerfiles/debian.docker      |  2 ++
 3 files changed, 50 insertions(+)
 create mode 100755 tests/docker/dockerfiles/debian-apt-fake.sh

diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
index 47978fb56c..ca6f57a292 100644
--- a/tests/docker/Makefile.include
+++ b/tests/docker/Makefile.include
@@ -55,6 +55,8 @@ docker-image-%: $(DOCKER_FILES_DIR)/%.docker
 		$(if $(EXTRA_FILE),--include-file=$(EXTRA_FILE)),\
 		"BUILD","$*")
 
+docker-image-debian: EXTRA_FILE:=tests/docker/dockerfiles/debian-apt-fake.sh
+
 # Enforce dependancies for composite images
 docker-image-debian-armhf-cross: docker-image-debian
 docker-image-debian-arm64-cross: docker-image-debian
diff --git a/tests/docker/dockerfiles/debian-apt-fake.sh b/tests/docker/dockerfiles/debian-apt-fake.sh
new file mode 100755
index 0000000000..387522c174
--- /dev/null
+++ b/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 $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
diff --git a/tests/docker/dockerfiles/debian.docker b/tests/docker/dockerfiles/debian.docker
index 694f8d3b63..a99396ae8f 100644
--- a/tests/docker/dockerfiles/debian.docker
+++ b/tests/docker/dockerfiles/debian.docker
@@ -22,6 +22,8 @@ RUN apt-get update && \
 # Duplicate deb line as deb-src
 RUN cat /etc/apt/sources.list | sed "s/deb/deb-src/" >> /etc/apt/sources.list
 
+ADD debian-apt-fake.sh /usr/local/bin/apt-fake
+
 # Setup Emdebian
 RUN echo "deb http://emdebian.org/tools/debian/ jessie main" >> /etc/apt/sources.list && \
     curl http://emdebian.org/tools/debian/emdebian-toolchain-archive.key | apt-key add -
-- 
2.11.0