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+#!@BASH_SHELL@
+# 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="0.3"
+
+_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 " -r, --reversed Show reversed dependancies"
+ 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: $prog_name -c -d2 readline"
+}
+
+_version(){
+ echo "$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" $((spaces+1))
+ continue
+ fi
+ fi
+
+ # Generate the spacer
+ spacer=""
+ for ((count = 0; count < spaces; count++)); do
+ spacer="$spacer$separator"
+ done
+ unset count
+ spacer="$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" )
+ if [ $reversed_dep -eq 0 ]; then
+ deps_pkg="$(_grabfield "$pkg_dir/depends" %DEPENDS%)"
+ else
+ reqs_pkg_dir="$(_finddep "$pkg_name" %DEPENDS% depends)"
+ unset deps_pkg
+ for req_pkg_dir in $reqs_pkg_dir; do
+ deps_pkg=$(echo "$deps_pkg" "$(_grabfield "$req_pkg_dir/desc" %NAME%)")
+ done
+ fi
+ for dep_pkg in $deps_pkg; 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[$n]}" = "-r" -o "${options[$n]}" = "--reversed" ]; then
+ unset options[$n]
+ reversed_dep=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}
+reversed_dep=${reversed_dep:-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 @sysconfdir@/pacman.conf ]; then
+ echo "ERROR: unable to read @sysconfdir@/pacman.conf"
+ exit 1
+else
+ eval $(awk '/DBPath/ {print $1$2$3}' @sysconfdir@/pacman.conf)
+fi
+
+pac_db="${DBPath:-@localstatedir@/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"
+ if [ $reversed_dep -eq 0 ]; then
+ file_extension="deps.$gformat"
+ else
+ file_extension="reqs.$gformat"
+ fi
+ echo -e "digraph G { START [color=$start_color, style=filled];\n node [style=filled, color=$nodes_color];\n$(_main)\n$advert}" | dot -T$gformat -o "${root_pkgs// /_}.$file_extension"
+else _main
+fi
+
+# vim: set ts=2 sw=2 noet:
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-17 11:12:45 +0100