88 lines
2.4 KiB
Bash
Executable file
88 lines
2.4 KiB
Bash
Executable file
#!/bin/sh -x
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if [ $# -eq 0 ]; then
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echo "usage: $0 foo.dsc [bar.dsc ...]"
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exit 1
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fi
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# 1. create temporary directory
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# 2. create fifo
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# 3. run findunusedbd to start fatrace from outside
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# 4. run sbuild with the correct hooks
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# 5. if sbuild was successful, collect unused dependencies
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# 6. remove temporary directory
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build () {
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dsc="$1"
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archall="$2"
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tmpdir=`mktemp -d --tmpdir=/home`
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mkfifo "${tmpdir}/myfifo"
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chmod a+w "${tmpdir}/myfifo"
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/home/findunusedbd.sh "$tmpdir" &
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sbuild --$archall --quiet \
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--chroot-setup-commands="/home/findunusedbd.sh chroot-setup $tmpdir" \
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--pre-realbuild-commands="/home/findunusedbd.sh pre-realbuild $tmpdir" \
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--post-realbuild-commands="/home/findunusedbd.sh post-realbuild $tmpdir" \
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"$dsc"
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ret=$?
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rm -f *.deb *.udeb *.changes
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if [ $ret -eq 0 ] && [ -s "${tmpdir}/unneededdepends.list" ]; then
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mv "${tmpdir}/unneededdepends.list" `basename $dsc .dsc`.${archall}.unusedbd
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echo $dsc >> buildsuccess.${archall}.list
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fi
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rm -rf "$tmpdir"
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}
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for a in "arch-all" "no-arch-all"; do
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>buildsuccess.${a}.list
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for dsc in $@; do
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echo $dsc
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build "$dsc" "$a"
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done
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done
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# now process the possibly droppable build dependencies found by no-arch-all
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# and remove from them all that were also found by arch-all
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for noarchall in *.no-arch-all.unusedbd; do
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archall=`basename $noarchall .no-arch-all.unusedbd`.arch-all.unusedbd
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if [ -s $archall ]; then
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# only keep the values unique to no-arch-all
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comm -23 $noarchall $archall > tmp
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if [ -s tmp ]; then
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mv tmp $noarchall
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else
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# no unique values in noarchall
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rm $noarchall
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fi
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fi
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done
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# 1. for all possibly unused dependencise, run sbuild with a hook creating a
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# fake equivs package
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# 2. if sbuild was successful, collect result
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check () {
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dscname="$1"
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archall="$2"
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unusedbdname=`basename $dscname .dsc`.${archall}.unusedbd
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if [! -f "$unusedbdname" ]; then
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return
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fi
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while read bd; do
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# now run sbuild with "findunusedbd.sh equivs" creating a fake equivs package
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# we need to run it as a pre-realbuild-commands hook because it needs all
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# dependencies to be installed
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sbuild --$archall --quiet \
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--pre-realbuild-commands="/home/findunusedbd.sh equivs $bd" \
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"$dscname"
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if [ $? -eq 0 ]; then
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echo $bd >> "${unusedbdname}".real
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fi
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rm -f *.deb *.udeb *.changes
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done < $unusedbdname
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}
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for a in "arch-all" "no-arch-all"; do
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while read dscname; do
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echo $dscname
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check $dscname "$a"
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done < buildsuccess.${a}.list
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done
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