apt-cyg manager for Cygwin
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examples/apt-cyg
Executable file
673
examples/apt-cyg
Executable file
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#!/bin/bash
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# apt-cyg: install tool for Cygwin similar to debian apt-get
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#
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# The MIT License (MIT)
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#
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# Copyright (c) 2013 Trans-code Design
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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if [ ${BASH_VERSINFO}${BASH_VERSINFO[1]} -lt 42 ]
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then
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echo 'Bash version 4.2+ required'
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exit
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fi
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usage="\
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NAME
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apt-cyg - package manager utility
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SYNOPSIS
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apt-cyg [operation] [options] [targets]
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DESCRIPTION
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apt-cyg is a package management utility that tracks installed packages on a
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Cygwin system. Invoking apt-cyg involves specifying an operation with any
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potential options and targets to operate on. A target is usually a package
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name, file name, URL, or a search string. Targets can be provided as command
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line arguments.
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OPERATIONS
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install
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Install package(s).
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remove
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Remove package(s) from the system.
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update
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Download a fresh copy of the master package list (setup.ini) from the
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server defined in setup.rc.
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download
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Retrieve package(s) from the server, but do not install/upgrade anything.
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show
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Display information on given package(s).
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depends
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Produce a dependency tree for a package.
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rdepends
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Produce a tree of packages that depend on the named package.
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list
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Search each locally-installed package for names that match regexp. If no
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package names are provided in the command line, all installed packages will
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be queried.
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listall
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This will search each package in the master package list (setup.ini) for
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names that match regexp.
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category
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Display all packages that are members of a named category.
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listfiles
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List all files owned by a given package. Multiple packages can be specified
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on the command line.
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search
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Search for downloaded packages that own the specified file(s). The path can
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be relative or absolute, and one or more files can be specified.
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searchall
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Search cygwin.com to retrieve file information about packages. The provided
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target is considered to be a filename and searchall will return the
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package(s) which contain this file.
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mirror
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Set the mirror; a full URL to a location where the database, packages, and
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signatures for this repository can be found. If no URL is provided, display
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current mirror.
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cache
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Set the package cache directory. If a file is not found in cache directory,
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it will be downloaded. Unix and Windows forms are accepted, as well as
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absolute or regular paths. If no directory is provided, display current
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cache.
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OPTIONS
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--nodeps
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Specify this option to skip all dependency checks.
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--version
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Display version and exit.
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"
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version="\
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apt-cyg version 1
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The MIT License (MIT)
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Copyright (c) 2005-9 Stephen Jungels
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"
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function wget {
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if command wget -h &>/dev/null
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then
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command wget "$@"
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else
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warn wget is not installed, using lynx as fallback
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set "${*: -1}"
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lynx -source "$1" > "${1##*/}"
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fi
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}
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function find-workspace {
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# default working directory and mirror
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# work wherever setup worked last, if possible
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cache=$(awk '
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BEGIN {
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RS = "\n\\<"
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FS = "\n\t"
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}
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$1 == "last-cache" {
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print $2
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}
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' /etc/setup/setup.rc)
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mirror=$(awk '
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/last-mirror/ {
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getline
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print $1
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}
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' /etc/setup/setup.rc)
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mirrordir=$(sed '
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s / %2f g
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s : %3a g
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' <<< "$mirror")
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mkdir -p "$cache/$mirrordir/$arch"
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cd "$cache/$mirrordir/$arch"
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if [ -e setup.ini ]
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then
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return 0
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else
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get-setup
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return 1
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fi
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}
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function get-setup {
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touch setup.ini
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mv setup.ini setup.ini-save
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wget -N $mirror/$arch/setup.bz2
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if [ -e setup.bz2 ]
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then
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bunzip2 setup.bz2
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mv setup setup.ini
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echo Updated setup.ini
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else
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echo Error updating setup.ini, reverting
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mv setup.ini-save setup.ini
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fi
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}
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function check-packages {
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if [[ $pks ]]
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then
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return 0
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else
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echo No packages found.
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return 1
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fi
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}
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function warn {
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printf '\e[1;31m%s\e[m\n' "$*" >&2
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}
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function apt-update {
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if find-workspace
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then
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get-setup
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fi
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}
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function apt-category {
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check-packages
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find-workspace
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for pkg in "${pks[@]}"
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do
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awk '
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$1 == "@" {
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pck = $2
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}
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$1 == "category:" && $0 ~ query {
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print pck
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}
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' query="$pks" setup.ini
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done
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}
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function apt-list {
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local sbq
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for pkg in "${pks[@]}"
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do
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let sbq++ && echo
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awk 'NR>1 && $1~pkg && $0=$1' pkg="$pkg" /etc/setup/installed.db
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done
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let sbq && return
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awk 'NR>1 && $0=$1' /etc/setup/installed.db
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}
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function apt-listall {
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check-packages
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find-workspace
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local sbq
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for pkg in "${pks[@]}"
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do
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let sbq++ && echo
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awk '$1~pkg && $0=$1' RS='\n\n@ ' FS='\n' pkg="$pkg" setup.ini
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done
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}
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function apt-listfiles {
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check-packages
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find-workspace
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local pkg sbq
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for pkg in "${pks[@]}"
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do
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(( sbq++ )) && echo
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if [ ! -e /etc/setup/"$pkg".lst.gz ]
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then
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download "$pkg"
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fi
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gzip -cd /etc/setup/"$pkg".lst.gz
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done
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}
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function apt-show {
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find-workspace
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check-packages
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for pkg in "${pks[@]}"
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do
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(( notfirst++ )) && echo
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awk '
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$1 == query {
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print
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fd++
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}
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END {
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if (! fd)
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print "Unable to locate package " query
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}
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' RS='\n\n@ ' FS='\n' query="$pkg" setup.ini
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done
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}
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function apt-depends {
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find-workspace
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check-packages
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for pkg in "${pks[@]}"
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do
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awk '
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@include "join"
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$1 == "@" {
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apg = $2
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}
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$1 == "requires:" {
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for (z=2; z<=NF; z++)
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reqs[apg][z-1] = $z
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}
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END {
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prpg(ENVIRON["pkg"])
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}
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function smartmatch(small, large, values) {
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for (each in large)
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values[large[each]]
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return small in values
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}
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function prpg(fpg) {
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if (smartmatch(fpg, spath)) return
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spath[length(spath)+1] = fpg
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print join(spath, 1, length(spath), " > ")
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if (isarray(reqs[fpg]))
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for (each in reqs[fpg])
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prpg(reqs[fpg][each])
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delete spath[length(spath)]
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}
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' setup.ini
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done
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}
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function apt-rdepends {
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find-workspace
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for pkg in "${pks[@]}"
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do
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awk '
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@include "join"
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$1 == "@" {
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apg = $2
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}
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$1 == "requires:" {
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for (z=2; z<=NF; z++)
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reqs[$z][length(reqs[$z])+1] = apg
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}
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END {
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prpg(ENVIRON["pkg"])
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}
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function smartmatch(small, large, values) {
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for (each in large)
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values[large[each]]
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return small in values
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}
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function prpg(fpg) {
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if (smartmatch(fpg, spath)) return
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spath[length(spath)+1] = fpg
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print join(spath, 1, length(spath), " < ")
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if (isarray(reqs[fpg]))
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for (each in reqs[fpg])
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prpg(reqs[fpg][each])
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delete spath[length(spath)]
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}
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' setup.ini
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done
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}
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function apt-download {
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check-packages
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find-workspace
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local pkg sbq
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for pkg in "${pks[@]}"
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do
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(( sbq++ )) && echo
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download "$pkg"
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done
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}
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function download {
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local pkg digest digactual
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pkg=$1
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# look for package and save desc file
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awk '$1 == pc' RS='\n\n@ ' FS='\n' pc=$pkg setup.ini > desc
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if [ ! -s desc ]
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then
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echo Unable to locate package $pkg
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exit 1
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fi
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# download and unpack the bz2 or xz file
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# pick the latest version, which comes first
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set -- $(awk '$1 == "install:"' desc)
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if (( ! $# ))
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then
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echo 'Could not find "install" in package description: obsolete package?'
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exit 1
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fi
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dn=$(dirname $2)
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bn=$(basename $2)
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# check the md5
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digest=$4
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case ${#digest} in
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32) hash=md5sum ;;
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128) hash=sha512sum ;;
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esac
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mkdir -p "$cache/$mirrordir/$dn"
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cd "$cache/$mirrordir/$dn"
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if ! test -e $bn || ! $hash -c <<< "$digest $bn"
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then
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wget -O $bn $mirror/$dn/$bn
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$hash -c <<< "$digest $bn" || exit
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fi
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tar tf $bn | gzip > /etc/setup/"$pkg".lst.gz
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cd ~-
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mv desc "$cache/$mirrordir/$dn"
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echo $dn $bn > /tmp/dwn
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}
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function apt-search {
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check-packages
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echo Searching downloaded packages...
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for pkg in "${pks[@]}"
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do
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key=$(type -P "$pkg" | sed s./..)
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[[ $key ]] || key=$pkg
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for manifest in /etc/setup/*.lst.gz
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do
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if gzip -cd $manifest | grep -q "$key"
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then
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package=$(sed '
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s,/etc/setup/,,
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s,.lst.gz,,
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' <<< $manifest)
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echo $package
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fi
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done
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done
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}
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function apt-searchall {
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cd /tmp
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for pkg in "${pks[@]}"
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do
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printf -v qs 'text=1&arch=%s&grep=%s' $arch "$pkg"
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wget -O matches cygwin.com/cgi-bin2/package-grep.cgi?"$qs"
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awk '
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NR == 1 {next}
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mc[$1]++ {next}
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/-debuginfo-/ {next}
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/^cygwin32-/ {next}
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{print $1}
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' FS=-[[:digit:]] matches
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done
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}
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function apt-install {
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check-packages
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find-workspace
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local pkg dn bn requires wr package sbq script
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for pkg in "${pks[@]}"
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do
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if grep -q "^$pkg " /etc/setup/installed.db
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then
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echo Package $pkg is already installed, skipping
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continue
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fi
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(( sbq++ )) && echo
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echo Installing $pkg
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download $pkg
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read dn bn </tmp/dwn
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echo Unpacking...
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cd "$cache/$mirrordir/$dn"
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tar -x -C / -f $bn
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# update the package database
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awk '
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ins != 1 && pkg < $1 {
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print pkg, bz, 0
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ins = 1
|
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}
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1
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END {
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if (ins != 1) print pkg, bz, 0
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}
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' pkg="$pkg" bz=$bn /etc/setup/installed.db > /tmp/awk.$$
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mv /etc/setup/installed.db /etc/setup/installed.db-save
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mv /tmp/awk.$$ /etc/setup/installed.db
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[ -v nodeps ] && continue
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# recursively install required packages
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requires=$(awk '$1=="requires", $0=$2' FS=': ' desc)
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cd ~-
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wr=0
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if [[ $requires ]]
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then
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echo Package $pkg requires the following packages, installing:
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echo $requires
|
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for package in $requires
|
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do
|
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if grep -q "^$package " /etc/setup/installed.db
|
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then
|
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echo Package $package is already installed, skipping
|
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continue
|
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fi
|
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apt-cyg install --noscripts $package || (( wr++ ))
|
||||
done
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fi
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if (( wr ))
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then
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echo some required packages did not install, continuing
|
||||
fi
|
||||
|
||||
# run all postinstall scripts
|
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|
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[ -v noscripts ] && continue
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find /etc/postinstall -name '*.sh' | while read script
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do
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echo Running $script
|
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$script
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mv $script $script.done
|
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done
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echo Package $pkg installed
|
||||
|
||||
done
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}
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function apt-remove {
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check-packages
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cd /etc
|
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cygcheck awk bash bunzip2 grep gzip mv sed tar xz > setup/essential.lst
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for pkg in "${pks[@]}"
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do
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||||
|
||||
if ! grep -q "^$pkg " setup/installed.db
|
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then
|
||||
echo Package $pkg is not installed, skipping
|
||||
continue
|
||||
fi
|
||||
|
||||
if [ ! -e setup/"$pkg".lst.gz ]
|
||||
then
|
||||
warn Package manifest missing, cannot remove $pkg. Exiting
|
||||
exit 1
|
||||
fi
|
||||
gzip -dk setup/"$pkg".lst.gz
|
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awk '
|
||||
NR == FNR {
|
||||
if ($NF) ess[$NF]
|
||||
next
|
||||
}
|
||||
$NF in ess {
|
||||
exit 1
|
||||
}
|
||||
' FS='[/\\\\]' setup/{essential,$pkg}.lst
|
||||
esn=$?
|
||||
if [ $esn = 0 ]
|
||||
then
|
||||
echo Removing $pkg
|
||||
if [ -e preremove/"$pkg".sh ]
|
||||
then
|
||||
preremove/"$pkg".sh
|
||||
rm preremove/"$pkg".sh
|
||||
fi
|
||||
mapfile dt < setup/"$pkg".lst
|
||||
for each in ${dt[*]}
|
||||
do
|
||||
[ -f /$each ] && rm /$each
|
||||
done
|
||||
for each in ${dt[*]}
|
||||
do
|
||||
[ -d /$each ] && rmdir --i /$each
|
||||
done
|
||||
rm -f setup/"$pkg".lst.gz postinstall/"$pkg".sh.done
|
||||
awk -i inplace '$1 != ENVIRON["pkg"]' setup/installed.db
|
||||
echo Package $pkg removed
|
||||
fi
|
||||
rm setup/"$pkg".lst
|
||||
if [ $esn = 1 ]
|
||||
then
|
||||
warn apt-cyg cannot remove package $pkg, exiting
|
||||
exit 1
|
||||
fi
|
||||
|
||||
done
|
||||
}
|
||||
|
||||
function apt-mirror {
|
||||
if [ "$pks" ]
|
||||
then
|
||||
awk -i inplace '
|
||||
1
|
||||
/last-mirror/ {
|
||||
getline
|
||||
print "\t" pks
|
||||
}
|
||||
' pks="$pks" /etc/setup/setup.rc
|
||||
echo Mirror set to "$pks".
|
||||
else
|
||||
awk '
|
||||
/last-mirror/ {
|
||||
getline
|
||||
print $1
|
||||
}
|
||||
' /etc/setup/setup.rc
|
||||
fi
|
||||
}
|
||||
|
||||
function apt-cache {
|
||||
if [ "$pks" ]
|
||||
then
|
||||
vas=$(cygpath -aw "$pks")
|
||||
awk -i inplace '
|
||||
1
|
||||
/last-cache/ {
|
||||
getline
|
||||
print "\t" vas
|
||||
}
|
||||
' vas="${vas//\\/\\\\}" /etc/setup/setup.rc
|
||||
echo Cache set to "$vas".
|
||||
else
|
||||
awk '
|
||||
/last-cache/ {
|
||||
getline
|
||||
print $1
|
||||
}
|
||||
' /etc/setup/setup.rc
|
||||
fi
|
||||
}
|
||||
|
||||
if [ -p /dev/stdin ]
|
||||
then
|
||||
mapfile -t pks
|
||||
fi
|
||||
|
||||
# process options
|
||||
until [ $# = 0 ]
|
||||
do
|
||||
case "$1" in
|
||||
|
||||
--nodeps)
|
||||
nodeps=1
|
||||
shift
|
||||
;;
|
||||
|
||||
--noscripts)
|
||||
noscripts=1
|
||||
shift
|
||||
;;
|
||||
|
||||
--version)
|
||||
printf "$version"
|
||||
exit
|
||||
;;
|
||||
|
||||
update)
|
||||
command=$1
|
||||
shift
|
||||
;;
|
||||
|
||||
list | cache | remove | depends | listall | download | listfiles |\
|
||||
show | mirror | search | install | category | rdepends | searchall )
|
||||
if [[ $command ]]
|
||||
then
|
||||
pks+=("$1")
|
||||
else
|
||||
command=$1
|
||||
fi
|
||||
shift
|
||||
;;
|
||||
|
||||
*)
|
||||
pks+=("$1")
|
||||
shift
|
||||
;;
|
||||
|
||||
esac
|
||||
done
|
||||
|
||||
set -a
|
||||
|
||||
if type -t apt-$command | grep -q function
|
||||
then
|
||||
readonly arch=${HOSTTYPE/i6/x}
|
||||
apt-$command
|
||||
else
|
||||
printf "$usage"
|
||||
fi
|
||||
Loading…
Reference in New Issue
Block a user