#!/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 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: