tame/tools/pkg-graph

74 lines
1.5 KiB
Plaintext
Raw Normal View History

#!/bin/bash
# Output DOT file representing package dependencies
#
# Copyright (C) 2014-2023 Ryan Specialty, LLC.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
##
relpath()
{
while read p; do
if [[ ! "$p" =~ \.\. ]]; then
echo "$p"
else
sed 's|[^/]\+/\.\./|/|' | relpath
fi
done
}
undepify()
{
sed 's|^\(\./\)\?\(.*\)\.dep:|/\2 |'
}
dotify()
{
echo 'digraph {'
local from to
while read -r from to; do
printf '"%s" -> "%s";\n' "$from" "$to"
done
echo '}'
}
main()
{
local root="${1?Missing project root}"
cd "$root"
find . -name '*.dep' | while read -r depfile; do
# Absolute paths can be output verbatim
grep -H '^/' "$depfile"
# Relative paths need processing
local dir=$( dirname "$depfile" | sed 's|^\./|/|' )
grep -Hv '^/' "$depfile" \
| sed "s|:|:$dir/|"
done \
| grep -v '\$$' \
| relpath \
| undepify \
| dotify
}
main "$@"