contrib: add pactree script
Pactree is a dependency tree viewer for installed packages. It features both textual and graphic (through graphviz) output. Script by: Carlo Bersani <carlocci@gmail.com> [Allan: removed whitespace errors] Signed-off-by: Allan McRae <allan@archlinux.org> [Dan: killed some unnecessary lines, moved license header] Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Carlo Bersani
Dan McGee
parent
67f388c3fc
commit
c317222d71
3 changed files with 305 additions and 0 deletions
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@ -6,6 +6,7 @@ EXTRA_DIST = \
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pacdiff \
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pacdiff \
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paclist \
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paclist \
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pacsearch \
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pacsearch \
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pactree \
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updatesync \
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updatesync \
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vimprojects \
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vimprojects \
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wget-xdelta.sh \
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wget-xdelta.sh \
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@ -20,6 +20,9 @@ pacsearch - a colorized search combining both -Ss and -Qs output. Installed
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packages are easily identified with a *** and local-only packages are also
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packages are easily identified with a *** and local-only packages are also
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listed.
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listed.
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pactree - generate a dependency tree of an installed package in textual or
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graphical form (using graphviz).
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bacman - regenerate a pacman package based on installed files and the pacman
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bacman - regenerate a pacman package based on installed files and the pacman
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database entries. Useful for reuse, or possible config file extension.
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database entries. Useful for reuse, or possible config file extension.
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301
contrib/pactree
Executable file
301
contrib/pactree
Executable file
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@ -0,0 +1,301 @@
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#!/bin/bash
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# pactree : a simple dependency tree viewer
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#
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# Copyright (C) 2008 Carlo "carlocci" Bersani <carlocci@gmail.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Original http://carlocci.ngi.it/arch/pactree
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# Credit to scj for the graphviz idea
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# set the colors
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branch1_color="\033[0;33m" #Brown
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branch2_color="\033[0;37m" #Gray
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leaf_color="\033[1;32m" #Light green
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leaf2_color="\033[0;32m" #Green
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# set the separators
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separator=" "
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branch_tip1="|--"
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branch_tip2="+--"
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provides="provides "
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# set the graphviz options
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# http://www.graphviz.org/doc/info/output.html for available output formats
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# http://www.graphviz.org/doc/info/colors.html for available colors
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gformat="png" #output format
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start_color="red" #START color
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nodes_color="green" #color of the nodes
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arrow1_color="chocolate4" #color of the normal arrow
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arrow2_color="grey" #color of the "provided by" headless arrow
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readonly prog_name="pactree"
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readonly prog_ver="0.2"
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_usage(){
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echo "This program generates the dependency tree of an installed package"
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echo "Usage: $prog_name [OPTIONS] <installed packages>"
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echo
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echo " OPTIONS:"
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echo " -c, --color Enable color output"
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echo " -d, --depth INT Limit the shown dependencies depth"
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echo " -g, --graph Use graphviz to make an image of the tree"
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echo " -l, --linear Enable linear output"
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echo " -s, --silent Shh, let me hear those errors!"
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echo " -u, --unique Print the dependency list with no duplicates"
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echo
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echo " -h, --help Print this help message"
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echo " -v, --version Print the program name and version"
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echo
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echo "Example: $prog_name -c -d 2 readline"
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}
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_version(){
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echo "$prog_name version $prog_ver"
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echo "Copyright (C) 2008 Carlo \"carlocci\" Bersani <carlocci@gmail.com>"
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}
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# end of the friendliness
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# grab a field from the database: $1=path/to/file, $2=field to grab
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_grabfield(){
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for line in $(cat "$1" 2>/dev/null ); do
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if [ -z "$line" ]; then
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continue;
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fi;
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if [[ "$line" =~ %[A-Z]*% ]]; then
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current="$line"
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continue;
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fi;
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if [ "$current" = "$2" ]; then
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echo "$line"
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fi;
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done
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}
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# find a dep in the db: $1=dep, $2=field, $3=dbfile, ret=file list
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_finddep(){
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for line in $(awk 'BEGIN{RS=""}
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{
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if ($1=="'"$2"'"){
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for (i=2 ; i<=NF ; ++i){
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if ($i ~ /^'"$1"'([<>=]+.*|)$/ ){
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print FILENAME}
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}
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}
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}' $(find $pac_db -name $3)); do
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echo "${line%/*}"
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done
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}
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# Recursive function: does all of the work, pays all of the taxes #
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_tree(){
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pkg_name="$1"
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pkg_dirs="$(echo $pac_db/$pkg_name-[0-9]*)"
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# Is $pkg_name real or provided?
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[ ! -d "$pkg_dirs" ] && pkg_dirs="$(_finddep $pkg_name %PROVIDES% depends)"
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for pkg_dir in $pkg_dirs ; do
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spaces="$2"
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unset provided
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branch_tip="$branch_tip1"
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branch_color="$branch1_color"
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pkg_name="$(_grabfield "$pkg_dir/desc" %NAME%)"
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if [ ! "$pkg_name" = "$1" ]; then
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provided="$leaf2_color $provides$leaf_color$1"
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branch_tip="$branch_tip2"
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branch_color="$branch2_color"
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if [ $graphviz -eq 1 ] && [[ ! "${dep_list[@]}" =~ _$1_ ]] && [ $spaces -ne $((max_depth+1)) ]; then
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echo "\"$1\" -> \"$pkg_name\" [arrowhead=none, color=$arrow2_color];"
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dep_list=( "${dep_list[@]}" "_$1_" )
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_tree "$pkg_name" $((spaces+1))
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continue
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fi
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fi
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# Generate the spacer
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spacer=""
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for each in $(seq 1 $spaces); do
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spacer="$spacer$separator"
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done
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spacer="$spacer$branch_tip"
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[ $silent -ne 1 ] && echo -e "$branch_color$spacer$leaf_color$pkg_name$provided"
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[ ! -d "$pkg_dir" ] && echo "No $pkg_name in the database (inconsistent database?)" >&2
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if [[ ! " ${dep_list[@]} " =~ " $pkg_name " ]] && [ $spaces -ne $max_depth ]; then
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dep_list=( "${dep_list[@]}" "$pkg_name" )
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for dep_pkg in $(_grabfield "$pkg_dir/depends" %DEPENDS%); do
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spaces=$2 #Bash scoping ;_;
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if [ $graphviz -eq 1 ]; then
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echo "\"$1\" -> \"${dep_pkg%%[<>=]*}\" [color=$arrow1_color];"
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fi
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_tree "${dep_pkg%%[<>=]*}" $((spaces+1))
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done
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fi
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done
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}
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# Main program: gets all of the money, pays none of the taxes
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# Command line parameters parser
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if [ $# -eq 0 ]; then
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_usage
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exit 1
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fi
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options=( "$@" )
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len_options=${#options[@]}
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for (( n=0 ; n < $len_options ; n++ )); do
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if [ "${options[$n]}" = "--" ]; then
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unset options[$n]
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break
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fi
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if [ "${options[$n]}" = "-h" -o "${options[$n]}" = "--help" ]; then
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_usage
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exit 0
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fi
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if [ "${options[$n]}" = "-v" -o "${options[$n]}" = "--version" ]; then
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_version
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exit 0
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fi
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if [ "${options[$n]}" = "-l" -o "${options[$n]}" = "--linear" ]; then
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unset options[$n]
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linear=1
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continue
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fi
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if [ "${options[$n]}" = "-s" -o "${options[$n]}" = "--silent" ]; then
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unset options[$n]
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silent=1
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continue
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fi
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if [ "${options[$n]}" = "-u" -o "${options[$n]}" = "--unique" ]; then
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unset options[$n]
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silent=1
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nodup=1
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continue
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fi
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if [ "${options[$n]}" = "-g" -o "${options[$n]}" = "--graph" ]; then
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unset options[$n]
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graphviz=1
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continue
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fi
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if [ "${options[$n]}" = "-c" -o "${options[$n]}" = "--color" ]; then
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unset options[$n]
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colored=1
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continue
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fi
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if [[ "${options[$n]}" =~ -d[[:digit:]]* || "${options[$n]}" == "--depth" ]]; then
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if [[ "${options[$n]#-d}" =~ [[:digit:]]+ ]]; then
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max_depth="${options[$n]#-d}"
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elif [[ ${options[$((n+1))]} =~ [[:digit:]]+ ]]; then
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# if [ ${options[$((n+1))]} -eq ${options[$((n+1))]} 2>/dev/null ]; then
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max_depth="${options[$((n+1))]}"
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unset options[$((n+1))]
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((++n))
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fi
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unset options[$n]
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continue
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fi
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done
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# End of the dumb command line parser
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# Env
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colored=${colored:-0}
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max_depth=${max_depth:--10}
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linear=${linear:-0}
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silent=${silent:-0}
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nodup=${nodup:-0}
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graphviz=${graphviz:-0}
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if [ $colored -ne 1 ]; then
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unset branch1_color
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unset leaf_color
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unset leaf2_color
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unset branch2_color
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fi
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if [ $linear -eq 1 ]; then
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unset separator
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unset branch_tip1
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unset branch_tip2
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unset provides
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fi
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if [ $graphviz -eq 1 ]; then
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silent=1
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nodup=0
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if [ ! -f /usr/bin/dot ]; then
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echo "ERROR: package graphviz is not installed"
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echo " Run pacman -S graphviz to install it"
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exit 1
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fi
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fi
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if [ ! -r /etc/pacman.conf ]; then
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echo "ERROR: unable to read /etc/pacman.conf"
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exit 1
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else
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eval $(awk '/DBPath/ {print $1$2$3}' /etc/pacman.conf)
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fi
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pac_db="${DBPath:-/var/lib/pacman}/local"
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if [ ! -d "$pac_db" ] ; then
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echo "ERROR: pacman database directory ${pac_db} not found"
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exit 1
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fi
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# Env End
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# Program starts
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_main(){
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for pkg_name in ${options[@]} ; do
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[ $graphviz -eq 1 ] && echo -e "\"START\" -> \"$pkg_name\" ;"
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_tree "$pkg_name" 0
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if [ $nodup -eq 1 ]; then
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for pkg_tree in ${dep_list[@]} ; do
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echo "$pkg_tree"
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done
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fi
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done
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if [ $silent -eq 0 ]; then
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echo -ne '\033[0m' # return colors to normal?
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echo -ne '\033[?25h' #return cursor to normal?
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fi
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}
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if [ $graphviz -eq 1 ]; then
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root_pkgs="${options[@]}"
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# Uncomment for the "generated by pactree" node in graphviz
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#advert="xyz [height=0.07, fontsize=8.0, label=\"GENERATED WITH PACTREE\",shape=box,color="black",style=filled,fontcolor="white"];\n"
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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"
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else _main
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fi
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# vim: set ts=2 sw=2 noet:
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Loading…
Add table
Reference in a new issue