102 lines
2.9 KiB
Plaintext
102 lines
2.9 KiB
Plaintext
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#!/bin/sh
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# script based on initial implementation
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# by Vitaly Gusach (http://gusach.org.ua)
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#
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# purpose: warn on those entries in given packagelists(s)
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# which are definitely absent; the build might still bail out
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# but at least 80% of failures can be predicted early now
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#
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# usage: check-pkg-list [-n pkgnames] pkglist ...
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# (pkgnames file should contain `apt-cache pkgnames`)
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# NB: -n pkgnames MUST go first, if given
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error() { echo `basename $0`: $* >&2; exit 1; }
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debug() { [ -n "$GLOBAL_VERBOSE" ] && echo `basename $0`: $* >&2; }
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exit_handler() {
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local rc=$?
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trap - EXIT
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rm -f -- "$ftemp" "$fpkgnames" "$fpkgwildcards" "$favaillist"
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exit $rc
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}
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# find the most recent apt.conf in workdirs
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apt_conf() {
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debug "looking for workdirs with aptboxes..."
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find -maxdepth 3 -name .work \
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| while read dir; do
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file="$dir/aptbox/etc/apt/apt.conf"
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[ -f "$file" ] && echo "$file"
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done \
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| xargs -r ls -t -- \
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| head -1
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}
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# figure out apt.conf from recent aptbox or fallback to system one
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# TODO: would be nice to cache the dump inside aptbox
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dump_pkgnames() {
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conf="`apt_conf`"
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debug "autodetected apt.conf: ${conf:-<system>}, dumping pkgnames"
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apt-cache ${conf:+-c $conf} pkgnames | sort > "$favaillist"
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}
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check_pkglist() {
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fprofilelist="$1"
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[ -f "$fprofilelist" ] || error "invalid packagelist filename: $fprofilelist"
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[ -n "$MULTI" ] && echo "-- $fprofilelist"
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debug "checking $fprofilelist against $favaillist"
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# cleaning pkg list from comments, empty lines,
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# splitting several pkgnames on the same line
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sed -e '/^#/d' -e '/^[ ]*$/d' -e 's/ \+$//' -e 's/[ ]\+/\n/g' \
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< "$fprofilelist" \
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| sed 's/-$//' \
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| sort -u \
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> "$ftemp" # got list of pkgnames we need
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# split pkgnames without wildcards and with wildcards
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fgrep -v '*' "$ftemp" > "$fpkgnames"
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fgrep '*' "$ftemp" > "$fpkgwildcards"
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# return unavailable packages
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debug "unavailable packagenames, if any:"
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comm -23 "$fpkgnames" "$ftemp"
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# return unavailable wildcards
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debug "unavailable wildcards, if any:"
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while read i; do
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# replacing * with regexp's \.+
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pattern="^`echo ${i#^} | sed -e 's/\*/.\\\\+/'`$"
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grep -q "$pattern" "$favaillist" || echo "$i"
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done < "$fpkgwildcards"
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}
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[ "$#" -gt 0 ] || error "need at least one argument, a packagelist to check"
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# reusable temporary files with self-cleanup at exit
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TEMP="${TMP:-/tmp}"
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trap exit_handler HUP INT QUIT TERM EXIT
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favaillist="`mktemp $TEMP/pkgchecker.avail.XXXXX`"
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fpkgnames="`mktemp $TEMP/pkgchecker.names.XXXXX`"
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fpkgwildcards="`mktemp $TEMP/pkgchecker.wildcards.XXXXX`"
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ftemp="`mktemp $TEMP/pkgchecker.XXXXX`"
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# make sure pkgnames dump is handy
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case "$1" in
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"-n"|"--pkgnames")
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[ -f "$2" ] && {
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sort "$2" > "$favaillist"
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shift; shift
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} || error "-n needs valid pkgnames filename"
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;;
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esac
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[ -s "$favaillist" ] || dump_pkgnames
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# now on to the real job; Q: skip *.in or not?
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[ "$#" -eq 1 ] && MULTI= || MULTI=1
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for list in "$@"; do
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check_pkglist "$list"
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done
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