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Diffstat (limited to 'contrib/pactree')
| -rwxr-xr-x | contrib/pactree | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/contrib/pactree b/contrib/pactree new file mode 100755 index 00000000..d9fa8b3b --- /dev/null +++ b/contrib/pactree @@ -0,0 +1,301 @@ +#!/bin/bash +# pactree : a simple dependency tree viewer +# +# Copyright (C) 2008 Carlo "carlocci" Bersani <carlocci@gmail.com> +# +# 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 2 +# 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/>. + +# Original http://carlocci.ngi.it/arch/pactree +# Credit to scj for the graphviz idea + +# set the colors +branch1_color="\033[0;33m" #Brown +branch2_color="\033[0;37m" #Gray +leaf_color="\033[1;32m" #Light green +leaf2_color="\033[0;32m" #Green + +# set the separators +separator=" " +branch_tip1="|--" +branch_tip2="+--" +provides="provides " + +# set the graphviz options +# http://www.graphviz.org/doc/info/output.html for available output formats +# http://www.graphviz.org/doc/info/colors.html for available colors +gformat="png" #output format +start_color="red" #START color +nodes_color="green" #color of the nodes +arrow1_color="chocolate4" #color of the normal arrow +arrow2_color="grey" #color of the "provided by" headless arrow + +readonly prog_name="pactree" +readonly prog_ver="0.2" + +_usage(){ + echo "This program generates the dependency tree of an installed package" + echo "Usage: $prog_name [OPTIONS] <installed packages>" + echo + echo " OPTIONS:" + echo " -c, --color Enable color output" + echo " -d, --depth INT Limit the shown dependencies depth" + echo " -g, --graph Use graphviz to make an image of the tree" + echo " -l, --linear Enable linear output" + echo " -s, --silent Shh, let me hear those errors!" + echo " -u, --unique Print the dependency list with no duplicates" + echo + echo " -h, --help Print this help message" + echo " -v, --version Print the program name and version" + echo + echo "Example: $prog_name -c -d 2 readline" +} + +_version(){ + echo "$prog_name version $prog_ver" + echo "Copyright (C) 2008 Carlo \"carlocci\" Bersani <carlocci@gmail.com>" +} +# end of the friendliness + + +# grab a field from the database: $1=path/to/file, $2=field to grab +_grabfield(){ + for line in $(cat "$1" 2>/dev/null ); do + if [ -z "$line" ]; then + continue; + fi; + if [[ "$line" =~ %[A-Z]*% ]]; then + current="$line" + continue; + fi; + if [ "$current" = "$2" ]; then + echo "$line" + fi; + done +} + + +# find a dep in the db: $1=dep, $2=field, $3=dbfile, ret=file list +_finddep(){ + for line in $(awk 'BEGIN{RS=""} + { + if ($1=="'"$2"'"){ + for (i=2 ; i<=NF ; ++i){ + if ($i ~ /^'"$1"'([<>=]+.*|)$/ ){ + print FILENAME} + } + } + }' $(find $pac_db -name $3)); do + echo "${line%/*}" + done +} + + +# Recursive function: does all of the work, pays all of the taxes # +_tree(){ + pkg_name="$1" + pkg_dirs="$(echo $pac_db/$pkg_name-[0-9]*)" + + # Is $pkg_name real or provided? + [ ! -d "$pkg_dirs" ] && pkg_dirs="$(_finddep $pkg_name %PROVIDES% depends)" + + for pkg_dir in $pkg_dirs ; do + spaces="$2" + unset provided + branch_tip="$branch_tip1" + branch_color="$branch1_color" + pkg_name="$(_grabfield "$pkg_dir/desc" %NAME%)" + if [ ! "$pkg_name" = "$1" ]; then + provided="$leaf2_color $provides$leaf_color$1" + branch_tip="$branch_tip2" + branch_color="$branch2_color" + if [ $graphviz -eq 1 ] && [[ ! "${dep_list[@]}" =~ _$1_ ]] && [ $spaces -ne $((max_depth+1)) ]; then + echo "\"$1\" -> \"$pkg_name\" [arrowhead=none, color=$arrow2_color];" + dep_list=( "${dep_list[@]}" "_$1_" ) + _tree "$pkg_name" $((spaces+1)) + continue + fi + fi + + # Generate the spacer + spacer="" + for each in $(seq 1 $spaces); do + spacer="$spacer$separator" + done + spacer="$spacer$branch_tip" + + [ $silent -ne 1 ] && echo -e "$branch_color$spacer$leaf_color$pkg_name$provided" + + [ ! -d "$pkg_dir" ] && echo "No $pkg_name in the database (inconsistent database?)" >&2 + + if [[ ! " ${dep_list[@]} " =~ " $pkg_name " ]] && [ $spaces -ne $max_depth ]; then + dep_list=( "${dep_list[@]}" "$pkg_name" ) + for dep_pkg in $(_grabfield "$pkg_dir/depends" %DEPENDS%); do + spaces=$2 #Bash scoping ;_; + if [ $graphviz -eq 1 ]; then + echo "\"$1\" -> \"${dep_pkg%%[<>=]*}\" [color=$arrow1_color];" + fi + _tree "${dep_pkg%%[<>=]*}" $((spaces+1)) + done + fi + done +} + + +# Main program: gets all of the money, pays none of the taxes + +# Command line parameters parser +if [ $# -eq 0 ]; then + _usage + exit 1 +fi + +options=( "$@" ) +len_options=${#options[@]} +for (( n=0 ; n < $len_options ; n++ )); do + if [ "${options[$n]}" = "--" ]; then + unset options[$n] + break + fi + if [ "${options[$n]}" = "-h" -o "${options[$n]}" = "--help" ]; then + _usage + exit 0 + fi + + if [ "${options[$n]}" = "-v" -o "${options[$n]}" = "--version" ]; then + _version + exit 0 + fi + + if [ "${options[$n]}" = "-l" -o "${options[$n]}" = "--linear" ]; then + unset options[$n] + linear=1 + continue + fi + + if [ "${options[$n]}" = "-s" -o "${options[$n]}" = "--silent" ]; then + unset options[$n] + silent=1 + continue + fi + + if [ "${options[$n]}" = "-u" -o "${options[$n]}" = "--unique" ]; then + unset options[$n] + silent=1 + nodup=1 + continue + fi + + if [ "${options[$n]}" = "-g" -o "${options[$n]}" = "--graph" ]; then + unset options[$n] + graphviz=1 + continue + fi + + if [ "${options[$n]}" = "-c" -o "${options[$n]}" = "--color" ]; then + unset options[$n] + colored=1 + continue + fi + + if [[ "${options[$n]}" =~ -d[[:digit:]]* || "${options[$n]}" == "--depth" ]]; then + if [[ "${options[$n]#-d}" =~ [[:digit:]]+ ]]; then + max_depth="${options[$n]#-d}" + elif [[ ${options[$((n+1))]} =~ [[:digit:]]+ ]]; then +# if [ ${options[$((n+1))]} -eq ${options[$((n+1))]} 2>/dev/null ]; then + max_depth="${options[$((n+1))]}" + unset options[$((n+1))] + ((++n)) + fi + unset options[$n] + continue + fi +done +# End of the dumb command line parser + +# Env +colored=${colored:-0} +max_depth=${max_depth:--10} +linear=${linear:-0} +silent=${silent:-0} +nodup=${nodup:-0} +graphviz=${graphviz:-0} + +if [ $colored -ne 1 ]; then + unset branch1_color + unset leaf_color + unset leaf2_color + unset branch2_color +fi + +if [ $linear -eq 1 ]; then + unset separator + unset branch_tip1 + unset branch_tip2 + unset provides +fi + +if [ $graphviz -eq 1 ]; then + silent=1 + nodup=0 + if [ ! -f /usr/bin/dot ]; then + echo "ERROR: package graphviz is not installed" + echo " Run pacman -S graphviz to install it" + exit 1 + fi +fi + +if [ ! -r /etc/pacman.conf ]; then + echo "ERROR: unable to read /etc/pacman.conf" + exit 1 +else + eval $(awk '/DBPath/ {print $1$2$3}' /etc/pacman.conf) +fi + +pac_db="${DBPath:-/var/lib/pacman}/local" + +if [ ! -d "$pac_db" ] ; then + echo "ERROR: pacman database directory ${pac_db} not found" + exit 1 +fi +# Env End + + +# Program starts +_main(){ + for pkg_name in ${options[@]} ; do + [ $graphviz -eq 1 ] && echo -e "\"START\" -> \"$pkg_name\" ;" + _tree "$pkg_name" 0 + if [ $nodup -eq 1 ]; then + for pkg_tree in ${dep_list[@]} ; do + echo "$pkg_tree" + done + fi + done + if [ $silent -eq 0 ]; then + echo -ne '\033[0m' # return colors to normal? + echo -ne '\033[?25h' #return cursor to normal? + fi +} + + +if [ $graphviz -eq 1 ]; then + root_pkgs="${options[@]}" + # Uncomment for the "generated by pactree" node in graphviz + #advert="xyz [height=0.07, fontsize=8.0, label=\"GENERATED WITH PACTREE\",shape=box,color="black",style=filled,fontcolor="white"];\n" + + echo -e "digraph G { START [color=$start_color, style=filled];\n node [style=filled, color=$nodes_color];\n$(_main)\n$advert}" | dot -T$gformat -o "${root_pkgs// /_}.deps.$gformat" +else _main +fi + +# vim: set ts=2 sw=2 noet: |