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187 lines
7.7 KiB
Bash
187 lines
7.7 KiB
Bash
#!/bin/sh
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#
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# Copyright 2014 Johannes Schauer <j.schauer@email.de>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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set -e
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ARCH="amd64"
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SUITE="unstable"
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MIRROR="http://http.debian.net/debian"
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DIRECTORY="`pwd`/debian-$SUITE-$ARCH"
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DISTNAME="$SUITE-$ARCH"
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APT_FILE_OPTS="--architecture $ARCH"
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APT_FILE_OPTS=$APT_FILE_OPTS" --cache $HOME/.chdist/$DISTNAME/var/cache/apt/apt-file"
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APT_FILE_OPTS=$APT_FILE_OPTS" --sources-list $HOME/.chdist/$DISTNAME/etc/apt/sources.list"
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# delete possibly existing dist
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rm -rf ~/.chdist/$DISTNAME;
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# the "[arch=amd64]" is a workaround until #774685 is fixed
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chdist --arch=$ARCH create $DISTNAME "[arch=amd64]" $MIRROR $SUITE main
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chdist --arch=$ARCH apt-get $DISTNAME update
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apt-file $APT_FILE_OPTS update
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mkdir -p $DIRECTORY
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printf "" > $DIRECTORY/interested-file
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printf "" > $DIRECTORY/interested-explicit
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printf "" > $DIRECTORY/activated-file
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printf "" > $DIRECTORY/activated-explicit
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# find all binary packages with /triggers$
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curl --globoff "http://binarycontrol.debian.net/?q=&path=${SUITE}%2F[^%2F]%2B%2Ftriggers%24&format=pkglist" \
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| xargs chdist apt-get $DISTNAME --print-uris download \
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| sed -ne "s/^'\([^']\+\)'\s\+\([^_]\+\)_.*/\2 \1/p" \
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| sort \
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| while read pkg url; do
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echo "working on $pkg..." >&2
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tmpdir=`mktemp -d`
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curl --retry 2 --location --silent "$url" \
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| dpkg-deb --ctrl-tarfile /dev/stdin \
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| tar -C "$tmpdir" --exclude=./md5sums -x
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if [ ! -f "$tmpdir/triggers" ]; then
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rm -r "$tmpdir"
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continue
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fi
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# find all triggers that are either interest or interest-await
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# and which are file triggers (start with a slash)
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egrep "^\s*interest(-await)?\s+/" "$tmpdir/triggers" | while read line; do
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echo "$pkg $line"
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done >> $DIRECTORY/interested-file
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egrep "^\s*interest(-await)?\s+[^/]" "$tmpdir/triggers" | while read line; do
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echo "$pkg $line"
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done >> $DIRECTORY/interested-explicit
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egrep "^\s*activate(-await)?\s+/" "$tmpdir/triggers" | while read line; do
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echo "$pkg $line"
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done >> $DIRECTORY/activated-file
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egrep "^\s*activate(-await)?\s+[^/]" "$tmpdir/triggers" | while read line; do
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echo "$pkg $line"
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done >> $DIRECTORY/activated-explicit
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rm -r "$tmpdir"
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done
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printf "" > $DIRECTORY/result-file
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# go through those that are interested in a path and check them against the
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# files provided by its dependency closure
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cat $DIRECTORY/interested-file | while read pkg ttype ipath; do
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echo "working on $pkg..." >&2
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echo "getting dependency closure..." >&2
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# go through all packages in the dependency closure and check if any
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# of the files they ship match one of the interested paths
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dose-ceve -c $pkg -T cudf -t deb \
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$HOME/.chdist/$DISTNAME/var/lib/apt/lists/*_dists_${SUITE}_main_binary-${ARCH}_Packages \
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| awk '/^package:/ { print $2 }' \
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| apt-file $APT_FILE_OPTS show -F --from-file - \
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| sed -ne "s ^\([^:]\+\):\s\+\(${ipath}\) \1\t\2 p" \
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| while read dep cpath; do
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[ "$pkg" != "$dep" ] || continue
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echo "$pkg $ipath $dep $cpath"
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done >> $DIRECTORY/result-file
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done
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# go through those that are interested in a path and check them against the
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# packages in the dependency closure which activate such a path
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cat $DIRECTORY/interested-file | while read pkg ttype ipath; do
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echo "working on $pkg..." >&2
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echo "getting dependency closure..." >&2
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# go through all packages in the dependency closure and check if any
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# of them activate a matching path
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dose-ceve -c $pkg -T cudf -t deb \
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$HOME/.chdist/$DISTNAME/var/lib/apt/lists/*_dists_${SUITE}_main_binary-${ARCH}_Packages \
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| awk '/^package:/ { print $2 }' \
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| while read dep; do
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[ "$pkg" != "$dep" ] || continue
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# using the space as sed delimeter because ipath has slashes
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# a space should work because neither package names nor paths have them
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sed -ne "s ^$dep\s\+activate\(-await\)\?\s\+\($ipath.*\) \2 p" $DIRECTORY/activated-file | while read cpath; do
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echo "$pkg $ipath $dep $cpath"
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done
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done >> $DIRECTORY/result-file
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done
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printf "" > $DIRECTORY/result-explicit
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# go through those that are interested in an explicit trigger and check them
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# against the packages in their dependency closure which activate it
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cat $DIRECTORY/interested-explicit | while read pkg ttype iname; do
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echo "working on $pkg..." >&2
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echo "getting dependency closure..." >&2
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# go through all packages in the dependency closure and check if any of
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# them activate the trigger in which this package is interested
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dose-ceve -c $pkg -T cudf -t deb \
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$HOME/.chdist/$DISTNAME/var/lib/apt/lists/*_dists_${SUITE}_main_binary-${ARCH}_Packages \
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| awk '/^package:/ { print $2 }' \
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| while read dep; do
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[ "$pkg" != "$dep" ] || continue
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if egrep "^$dep\s+activate(-await)?\s+$iname\s*$" $DIRECTORY/activated-explicit > /dev/null; then
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echo "$pkg $iname $dep"
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fi
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done >> $DIRECTORY/result-explicit
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done
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echo "+----------------------------------------------------------+"
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echo "| result summary |"
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echo "+----------------------------------------------------------+"
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echo ""
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echo "number of found file based trigger cycles:"
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wc -l < $DIRECTORY/result-file
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if [ `wc -l < $DIRECTORY/result-file` -ne 0 ]; then
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echo "Warning: found file based trigger cycles"
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echo "number of packages creating file based trigger cycles:"
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awk '{ print $1 }' $DIRECTORY/result-file | sort | uniq | wc -l
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echo "unique packages creating file based trigger cycles:"
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awk '{ print $1 }' $DIRECTORY/result-file | sort | uniq
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fi
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echo "number of found explicit trigger cycles:"
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wc -l < $DIRECTORY/result-explicit
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if [ `wc -l < $DIRECTORY/result-explicit` -ne 0 ]; then
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echo "Warning: found explicit trigger cycles"
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echo "number of packages creating explicit trigger cycles:"
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awk '{ print $1 }' $DIRECTORY/result-explicit | sort | uniq | wc -l
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echo "unique packages creating explicit trigger cycles:"
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awk '{ print $1 }' $DIRECTORY/result-explicit | sort | uniq
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fi
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if [ `wc -l < $DIRECTORY/result-file` -ne 0 ]; then
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echo ""
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echo ""
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echo "+----------------------------------------------------------+"
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echo "| file based trigger cycles |"
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echo "+----------------------------------------------------------+"
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echo ""
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echo "# Associates binary packages with other binary packages they can form a file"
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echo "# trigger cycle with. The first column is the binary package containing the file"
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echo "# trigger, the second column is the file trigger, the third column is a binary"
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echo "# package providing a path that triggers the binary package in the first column,"
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echo "# the fourth column is the triggering path of provided by the binary package in"
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echo "# the third column."
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echo ""
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cat $DIRECTORY/result-file
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fi
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if [ `wc -l < $DIRECTORY/result-explicit` -ne 0 ]; then
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echo ""
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echo ""
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echo "+----------------------------------------------------------+"
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echo "| explicit trigger cycles |"
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echo "+----------------------------------------------------------+"
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echo ""
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echo "# Associates binary packages with other binary packages they can form an explicit"
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echo "# trigger cycle with. The first column is the binary package interested in the"
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echo "# explicit trigger, the second column is the name of the explicit trigger, the"
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echo "# third column is the binary package activating the trigger."
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echo ""
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cat $DIRECTORY/result-explicit
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fi
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