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|
#!/bin/sh
# to make sure that lines like "rm $tmp/*" doesn't remove root
set -u
PROGNAME=`basename $0`
CUSTOMTMP="no"
OUTDIR="./"
KEEP="no"
DEVELOP=
TIMERS=
VERBOSE=
usage() {
echo "usage: $PROGNAME architecture Packages Sources [pkgname]" >&2
echo >&2
echo "Find the reasons why source packages are B-D transitive essential." >&2
echo "Assumes that Architecture:all packages need not be bootstrapped." >&2
echo "Operates on the strong dependency graph." >&2
echo >&2
echo "If the optional \"pkgname\" argument is specified as well, then only" >&2
echo "the results for that one package will be output." >&2
echo >&2
echo "options:" >&2
echo " -h, --help Show this help message and exit" >&2
echo " -k, --keep Keep the temporary files" >&2
echo " -T, --timers time all program executions" >&2
echo " -o, --output=DIR Output directory. Default is the current directory" >&2
echo " -t, --tmp=DIR Temporary directory. Default is created by mktemp(1). Implies --keep." >&2
echo " -v, --verbose Be more verbose" >&2
echo " -d, --debug Maximum verbosity" >&2
echo " -D, --develop Execute tools from the source checkout instead of \$PATH" >&2
}
die() {
echo " + error $@"
if [ "$KEEP" = "yes" ]; then
echo " + temporary files stored in $tmp" >&2
else
rm -f "$tmp"/*
rm -fd $tmp
fi
exit 1
}
run() {
if [ -n "$TIMERS" ]; then
time --format "%e seconds" "$@"
else
"$@"
fi
}
# clean up when sighup, sigint or sigterm is received
trap "die \"got signal\"" 1 2 15
getopt -T > /dev/null && exitcode=0 || exitcode=$?
if [ $exitcode -eq 4 ]; then
# GNU enhanced getopt is available
ARGS=`getopt --long help,keep,timers,output:,tmp:,verbose,debug,develop --options hkTo:t:vdD -- "$@"`
else
# Original getopt is available
ARGS=`getopt hkTo:t:vdD "$@"`
fi
if [ $? -ne 0 ]; then
exit 1
fi
eval set -- $ARGS
while [ $# -gt 0 ]; do
case "$1" in
-h | --help) usage; exit 0;;
-k | --keep) KEEP="yes";;
-T | --timers) TIMERS=--timers;;
-o | --output) OUTDIR="$2"; shift;;
-t | --tmp) CUSTOMTMP="yes"; KEEP="yes"; tmp="$2"; shift;;
-v | --verbose) VERBOSE=--verbose;;
-d | --debug) set -x;;
-D | --develop) DEVELOP=--develop;;
--) shift; break;;
esac
shift
done
getocamlexec() {
execname="$1"
for ext in "native" "p.native" "byte" "d.byte"; do
path="./$execname.$ext"
if [ -f "$path" ]; then
echo "$path"
return
fi
done
die "cannot find executable for $execname"
}
bin_buildcheck=dose-builddebcheck
if [ -n "$DEVELOP" ]; then
bin_bin2src=$(getocamlexec bin2src)
bin_create_graph=$(getocamlexec create-graph)
bin_latest_version=./tools/latest-version.py
bin_graph_shortest_path=./tools/graph-shortest-path.py
bin_graphml2dot=./tools/graphml2dot.py
bin_graph2text=./tools/graph2text.py
else
bin_bin2src=botch-bin2src
bin_create_graph=botch-create-graph
bin_latest_version=botch-latest-version
bin_graph_shortest_path=botch-graph-shortest-path
bin_graphml2dot=botch-graphml2dot
bin_graph2text=botch-graph2text
fi
if [ $# -ne 3 -a $# -ne 4 ]; then
usage
exit 1
fi
arch="$1"
packages="$2"
sources="$3"
pkgname="$4"
if [ $CUSTOMTMP = "yes" ]; then
mkdir -p "$tmp" || die "cannot mkdir $tmp"
else
tmp=`mktemp --directory`
fi
mkdir -p "$OUTDIR" || die "cannot mkdir $OUTDIR"
if [ "$KEEP" != "yes" ] && [ -n "$(ls -A $tmp)" ]; then
echo "$tmp is not empty and you did not specify --keep" >&2
echo "refusing to run and delete that directory" >&2
exit 1
fi
zcat -f "$packages" | grep-dctrl --exact-match -F Architecture all > "$tmp/ess-available-noall"
zcat -f "$packages" | grep-dctrl --exact-match --field Package build-essential \
| run $bin_latest_version - - \
| run $bin_bin2src --deb-native-arch="$arch" - "$sources" \
| run $bin_create_graph $VERBOSE --progress \
--deb-drop-b-d-indep \
--deb-native-arch="$arch" --strongtype \
--available "$tmp/ess-available-noall" --bg "$sources" "$packages" - \
> "$tmp/ess-buildgraph.xml"
if [ ! -s "$tmp/ess-buildgraph.xml" ]; then
die "$tmp/ess-buildgraph.xml is empty"
fi
run $bin_graph2text ${tmp}/ess-buildgraph.xml "{name} {version} {__ID__}" --vertex type:src \
| sort \
| while read name version vertex; do
if [ -n "$pkgname" -a "$pkgname" != "$name" ]; then
continue
fi
fname="${name}_${version}_${vertex}"
run $bin_graph_shortest_path ${tmp}/ess-buildgraph.xml ${tmp}/${fname}.xml --source name:build-essential --target __ID__:$vertex || die "botch-graph-shortest-path failed"
run $bin_graphml2dot ${tmp}/${fname}.xml ${OUTDIR}/${fname}.dot || die "botch-graphml2dot failed"
run dot -Tsvg ${OUTDIR}/${fname}.dot > ${OUTDIR}/${fname}.svg || die "dot failed"
# execute graph-easy but do not fail if it doesn't exist or doesn't work as advertised
# redirect graph output to standard error because this tool is
# not supposed to create something on standard output to then
# be piped somewhere else
{ graph-easy --input ${OUTDIR}/${fname}.dot --as_ascii || true; } | tee ${OUTDIR}/${fname}.txt >&2
done
# we would like to print whether above look found any matches but unfortunately
# the body of the loop is run in a sub-shell and is thus unable to communicate
# variable values with its parent
if [ "$KEEP" = "yes" ]; then
echo " + temporary files stored in $tmp" >&2
else
rm -f "$tmp"/*
rm -fd $tmp
fi
|
