148 lines
4.6 KiB
Bash
Executable File
148 lines
4.6 KiB
Bash
Executable File
#!/bin/sh
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#
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# merge_package_lists
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#
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# Quick, hacky script to merge the package lists for multiple arches
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# together, with 2 priorities:
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#
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# 1. keep the ordering of the original files wherever possible
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# 2. collect together instances of the same package on multiple arches
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#
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# expects multiple files containing lines of the form, one arch per file
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#
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# <arch>:<pkgname>
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#
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# and will output similar
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#
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# The files MUST be passed by filename rather than simply piped in,
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# otherwise the ordering constraint will be lost
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#
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# Things also get quite complicated here due to considering
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# source. Depending on how things are being run:
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#
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# 1. If we're not doing source, life is easy - simply interleave the
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# binary packages
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# 2. If we're *only* doing source, then we won't be called at all -
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# the Makefile will just dump the sources directly into "packages"
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# without needing our help
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# 3. If we're doing mixed source/binary discs, then we have to work
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# quite hard here. We generate the list of sources from the
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# binaries given to us. For each binary, we will attempt to place
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# its source *first* onto the disc so we can make nice GPL-compliant
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# media. However, we also need to check whether or not that source
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# has already been placed due to an *earlier* binary package (a
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# different binary built from the same source, or the same for
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# another arch). To allow us to so that, we need to parse the Sources
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# files first to build up the src<->bin relationship. Ick... :-/
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#
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# An added bit of grot: to make sure that sources are placed first, we
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# *temporarily* call the source architecture "aaaaaaaaaaaaaaaaaa" to force
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# it to sort first, then replace it woth "source" again later. *grin*
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#
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# Steve McIntyre <steve@einval.com> 2006, GPL v2
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BDIR=$1
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ADIR=$2
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ARCHES="$3"
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OUT="$4"
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case "$ARCHES" in
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*source*) source=yes;;
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*) source=no;;
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esac
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for ARCH in $ARCHES_NOSRC
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do
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list="$list $BDIR/packages.$ARCH"
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done
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echo "# Starting merge at "`date` >> $BDIR/list.mid
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if [ $source = "yes" ] ; then
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echo "DONEDONE" > $BDIR/DONE
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awk '
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# First parse the Sources files
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/^Package:/ {
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srcname=$2
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srcs_done++
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}
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/^Binary:/ {
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bins=$0
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gsub("^Binary:","",bins)
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gsub(",","",bins)
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nb=split(bins, binarray)
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for (i=1; i <= nb; i++) {
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bin2src[binarray[i]] = srcname
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bins_done++
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}
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}
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# Done reading the Sources
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/^DONEDONE/ {
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parsed=1
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printf("# Parsed Sources files: %d sources producing %d binaries\n", srcs_done, bins_done)
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next
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}
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# Now start placing source packages, depending on the order of the binary packages
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/.*/ {
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if (parsed) {
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split($0,fields,":")
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arch=fields[1]
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pkg=fields[2]
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source=bin2src[pkg]
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if (!included[source]) {
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printf("# Adding source %s at %d because of %s:%s\n",
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source, FNR, arch, pkg)
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included[source] = pkg
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incarch[source] = arch
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indexnr[source] = FNR
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} else {
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if (FNR < indexnr[source]) {
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printf("# Updating source %s: was due to %d:%s:%s, now moved earlier because of %d:%s:%s\n",
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source, indexnr[source],
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incarch[source], included[source],
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FNR, arch, pkg);
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included[source] = pkg
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incarch[source] = arch
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indexnr[source] = FNR
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} else {
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printf("# Not adding pkg %s source (%d:%s:%s), already added due to %d:%s:%s\n", pkg, FNR, arch, source, indexnr[source], incarch[source], included[source])
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}
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}
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printf("%d:%s\n", FNR, $0)
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}
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}
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END {
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for (source in included) {
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printf("%d:aaaaaaaaaaaaaaaaaa:%s\n", indexnr[source], source)
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}
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}' $ADIR/$CODENAME-source/apt-state/lists/*Sources $BDIR/DONE $list | sort -nk 1 -t : >> $BDIR/list.mid
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else
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awk '{printf("%d:%s\n", FNR, $0)}' $list | sort -nk 1 -t : >> $BDIR/list.mid
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fi
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echo "# Ending merge pass 1 at "`date` >> $BDIR/list.mid
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# We now have all the files stuck together, with line numbers
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# prepended to allow us to shuffle them properly. Remove any comments
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# logged from the awk code above, then sort and remove the line numbers
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# again
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grep -v ^# $BDIR/list.mid | awk -F : '
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{
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if (!($3 in add))
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{
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pkgname[number_packages++] = $3
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}
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gsub("aaaaaaaaaaaaaaaaaa", "source", $2) # Undo the source sorting hack
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add[$3] = add[$3] $2 ":" $3 " "
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}
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END {
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for (i = 0; i < number_packages; i++)
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{
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gsub(" $", "", add[pkgname[i]])
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gsub(" ", "\n", add[pkgname[i]])
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print add[pkgname[i]]
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}
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}' > $OUT
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echo "# Ending merge pass 2 at "`date` >> $BDIR/list.mid
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