1 files changed, 140 insertions, 0 deletions
diff --git a/setup.sh b/setup.sh
new file mode 100755
index 00000000..c698b989
--- /dev/null
+++ b/setup.sh
@@ -0,0 +1,140 @@
+#!/bin/sh
+
+set -e
+
+ARCH="amd64"
+DIST="sid"
+MIRROR="http://snapshot.debian.org/archive/debian/20141211T041251Z/"
+DIRECTORY="`pwd`/debian-$DIST-$ARCH"
+
+#FIXME: if the host has more than one arch enabled then those Packages files will be downloaded as well
+
+APT_OPTS="-y"
+APT_OPTS=$APT_OPTS" -o Apt::Architecture=$ARCH"
+APT_OPTS=$APT_OPTS" -o Dir::Etc::TrustedParts=$DIRECTORY/etc/apt/trusted.gpg.d"
+APT_OPTS=$APT_OPTS" -o Dir::Etc::Trusted=$DIRECTORY/etc/apt/trusted.gpg"
+APT_OPTS=$APT_OPTS" -o Dir=$DIRECTORY/"
+APT_OPTS=$APT_OPTS" -o Dir::Etc=$DIRECTORY/etc/apt/"
+APT_OPTS=$APT_OPTS" -o Dir::Etc::SourceList=$DIRECTORY/etc/apt/sources.list"
+APT_OPTS=$APT_OPTS" -o Dir::State=$DIRECTORY/var/lib/apt/"
+APT_OPTS=$APT_OPTS" -o Dir::State::Status=$DIRECTORY/var/lib/dpkg/status"
+APT_OPTS=$APT_OPTS" -o Dir::Cache=$DIRECTORY/var/cache/apt/"
+APT_OPTS=$APT_OPTS" -o Acquire::Check-Valid-Until=false" # because we use snapshot
+
+mkdir -p $DIRECTORY
+mkdir -p $DIRECTORY/etc/apt/
+mkdir -p $DIRECTORY/etc/apt/trusted.gpg.d/
+mkdir -p $DIRECTORY/etc/apt/sources.list.d/
+mkdir -p $DIRECTORY/etc/apt/preferences.d/
+mkdir -p $DIRECTORY/var/lib/apt/
+mkdir -p $DIRECTORY/var/lib/apt/lists/partial/
+mkdir -p $DIRECTORY/var/lib/dpkg/
+mkdir -p $DIRECTORY/var/cache/apt/
+mkdir -p $DIRECTORY/var/cache/apt/apt-file/
+
+cp /etc/apt/trusted.gpg.d/* $DIRECTORY/etc/apt/trusted.gpg.d/
+
+touch $DIRECTORY/var/lib/dpkg/status
+
+echo deb $MIRROR $DIST main > $DIRECTORY/etc/apt/sources.list
+
+apt-get $APT_OPTS update
+
+APT_FILE_OPTS="--architecture $ARCH"
+APT_FILE_OPTS=$APT_FILE_OPTS" --cache $DIRECTORY/var/cache/apt/apt-file"
+APT_FILE_OPTS=$APT_FILE_OPTS" --sources-list $DIRECTORY/etc/apt/sources.list"
+
+apt-file $APT_FILE_OPTS update
+
+printf "" > interested-file
+printf "" > interested-explicit
+printf "" > activated-file
+printf "" > activated-explicit
+
+cat control_triggers_packages | while read pkg; do
+	echo "working on $pkg..." >&2
+	apt-get $APT_OPTS download $pkg
+	dpkg-deb --control ${pkg}_*.deb
+	if [ ! -f DEBIAN/triggers ]; then
+		rm -r DEBIAN
+		rm ${pkg}_*.deb
+		continue
+	fi
+	# find all triggers that are either interest or interest-await
+	# and which are file triggers (start with a slash)
+	egrep "^\s*interest(-await)?\s+/" DEBIAN/triggers | while read line; do
+		echo "$pkg $line"
+	done >> interested-file
+	egrep "^\s*interest(-await)?\s+[^/]" DEBIAN/triggers | while read line; do
+		echo "$pkg $line"
+	done >> interested-explicit
+	egrep "^\s*activate(-await)?\s+/" DEBIAN/triggers | while read line; do
+		echo "$pkg $line"
+	done >> activated-file
+	egrep "^\s*activate(-await)?\s+[^/]" DEBIAN/triggers | while read line; do
+		echo "$pkg $line"
+	done >> activated-explicit
+	rm -r DEBIAN
+	rm ${pkg}_*.deb
+done
+
+printf "" > result-file
+
+# go through those that are interested in a path and check them against the
+# files provided by its dependency closure
+cat interested-file | while read pkg ttype ipath; do
+	echo "working on $pkg..." >&2
+	echo "getting dependency closure..." >&2
+	# go through all packages in the dependency closure and check if any
+	# of the files they ship match one of the interested paths
+	dose-ceve -c $pkg -T cudf -t deb \
+		$DIRECTORY/var/lib/apt/lists/*_dists_${DIST}_main_binary-${ARCH}_Packages \
+		| awk '/^package:/ { print $2 }' \
+		| apt-file $APT_FILE_OPTS show -F --from-file - \
+		| sed -ne "s ^\([^:]\+\):\s\+\(${ipath}/.*\) \1\t\2 p" \
+		| while read dep cpath; do
+			[ "$pkg" != "$dep" ] || continue
+			echo "$pkg $ipath $dep $cpath"
+		done >> result-file
+done
+
+# go through those that are interested in a path and check them against the
+# packages in the dependency closure which activate such a path
+cat interested-file | while read pkg ttype ipath; do
+	echo "working on $pkg..." >&2
+	echo "getting dependency closure..." >&2
+	# go through all packages in the dependency closure and check if any
+	# of them activate a matching path
+	dose-ceve -c $pkg -T cudf -t deb \
+		$DIRECTORY/var/lib/apt/lists/*_dists_${DIST}_main_binary-${ARCH}_Packages \
+		| awk '/^package:/ { print $2 }' \
+		| while read dep; do
+			[ "$pkg" != "$dep" ] || continue
+			# using the space as sed delimeter because ipath has slashes
+			# a space should work because neither package names nor paths have them
+			sed -ne "s ^$dep\s\+activate\(-await\)\?\s\+\($ipath.*\) \2 p" activated-file | while read cpath; do
+				echo "$pkg $ipath $dep $cpath"
+			done
+		done >> result-file
+done
+
+printf "" > result-explicit
+
+# go through those that are interested in an explicit trigger and check them
+# against the packages in their dependency closure which activate it
+#cat interested-explicit | while read pkg ttype iname; do
+echo wims-modules interest wims-reindex | while read pkg ttype iname; do
+	echo "working on $pkg..." >&2
+	echo "getting dependency closure..." >&2
+	# go through all packages in the dependency closure and check if any of
+	# them activate the trigger in which this package is interested
+	dose-ceve -c $pkg -T cudf -t deb \
+		$DIRECTORY/var/lib/apt/lists/*_dists_${DIST}_main_binary-${ARCH}_Packages \
+		| awk '/^package:/ { print $2 }' \
+		| while read dep; do
+			[ "$pkg" != "$dep" ] || continue
+			if egrep "^$dep\s+activate(-await)?\s+$iname\s*$" activated-explicit > /dev/null; then
+				echo "$pkg $iname $dep"
+			fi
+		done >> result-explicit
+done