546 lines
11 KiB
Bash
Executable File
546 lines
11 KiB
Bash
Executable File
#!/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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# this script requires some packages
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if ! type awk bzip2 tar wget xz &>/dev/null
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then
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echo You must install wget, tar, gawk, xz and bzip2 to use apt-cyg.
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exit 1
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fi
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[ $HOSTTYPE = x86_64 ] && ARCH=x86_64 || ARCH=x86
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function usage () {
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rw=(
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'usage: apt-cyg [command] [options] [packages]'
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''
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'Commands:'
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' install <packages> install packages'
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' remove <packages> remove packages'
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' update update setup.ini'
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' list [patterns] list packages matching given pattern. If no'
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' pattern is given, list all installed packages.'
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' listfiles <packages> list files owned by packages'
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' show <packages> Displays the package records for the named'
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' packages'
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' depends <patterns> performs recursive dependency listings'
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' rdepends <patterns> Display packages which require X to be installed,'
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' AKA show reverse dependencies'
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' search <patterns> search for a filename from installed packages'
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' searchall <patterns> search for a filename from all available packages'
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''
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'Options:'
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' -c, --cache <dir> set cache'
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' -f, --file <file> read package names from file'
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' -m, --mirror <url> set mirror'
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' --help'
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' --version'
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)
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printf '%s\n' "${rw[@]}"
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}
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function version()
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{
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echo apt-cyg version 0.59
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echo Written by Stephen Jungels
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echo
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echo 'Copyright (c) 2005-9 Stephen Jungels. Released under the GPL.'
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}
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function findworkspace()
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{
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# default working directory and mirror
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mirror=http://mirrors.kernel.org/sourceware/cygwin
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cache=/var/cache
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# work wherever setup worked last, if possible
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if [ -e /etc/setup/last-cache ]
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then
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cache=$(cygpath -f /etc/setup/last-cache)
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fi
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if [ -e /etc/setup/last-mirror ]
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then
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mirror=$(sed 's./$..' /etc/setup/last-mirror)
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fi
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mirrordir=$(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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[ -e setup.ini ] || getsetup
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}
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getsetup()
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{
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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 checkpackages()
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{
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if [[ $packages ]]
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then
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return 0
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else
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echo Nothing to do.
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return 1
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fi
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}
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apt-update () {
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findworkspace
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getsetup
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}
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apt-list () {
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if checkpackages
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then
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findworkspace
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for pkg in $packages
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do
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echo
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echo Searching for installed packages matching $pkg:
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awk 'NR>1 && $1~query && $0=$1' query="$pkg" /etc/setup/installed.db
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echo
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echo Searching for installable packages matching $pkg:
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awk '$1 ~ query && $0 = $1' RS='\n\n@ ' FS='\n' query="$pkg" setup.ini
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done
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else
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echo The following packages are installed: >&2
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awk 'NR>1 && $0=$1' /etc/setup/installed.db
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fi
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}
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apt-listfiles () {
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checkpackages
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findworkspace
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local pkg
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for pkg in $packages
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do
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(( notfirst++ )) && echo
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if [ ! -e /etc/setup/"$pkg".lst.gz ]
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then
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download "$pkg" || continue
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fi
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gzip -cd /etc/setup/"$pkg".lst.gz
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done
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}
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apt-show () {
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findworkspace
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checkpackages
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for pkg in $packages
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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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apt-depends () {
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findworkspace
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checkpackages
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for pkg in $packages
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do
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(( sq++ )) && echo
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awk '
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$1 == "@" {
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pkg = $2
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}
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$1 == "requires:" {
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for (i=2; i<=NF; i++)
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reqs[pkg][i-1]=$i
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}
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END {
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setMinDepth(query)
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prtPkg(query)
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}
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function prtPkg(pkg, req, i) {
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depth++
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if ( depth == mn[pkg] && !seen[pkg]++ ) {
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printf "%*s%s\n", indent, "", pkg
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indent += 2
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if (pkg in reqs)
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for (i=1; i in reqs[pkg]; i++) {
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req = reqs[pkg][i]
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prtPkg(req)
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}
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indent -= 2
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}
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depth--
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}
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function setMinDepth(pkg, req, i) {
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depth++
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mn[pkg] = !(pkg in mn) || depth < mn[pkg] ? depth : mn[pkg]
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if (depth == mn[pkg]) {
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if (pkg in reqs)
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for (i=1; i in reqs[pkg]; i++) {
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req = reqs[pkg][i]
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setMinDepth(req)
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}
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}
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depth--
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}
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' query="$pkg" setup.ini
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done
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}
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apt-rdepends () {
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findworkspace
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for pkg in $packages
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do
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awk '
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/^@ / {
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pn = $2
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}
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$0 ~ "^requires: .*"query {
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print pn
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}
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' query="$pkg" setup.ini
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done
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}
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download () {
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local pkg install file digest digactual
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pkg=$1
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# look for package and save desc file
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mkdir -p release/"$pkg"
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awk '$1 == pc' RS='\n\n@ ' FS='\n' pc=$pkg setup.ini > release/$pkg/desc
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if [ ! -s release/$pkg/desc ]
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then
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echo Package $pkg not found or ambiguous name
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rm -r release/"$pkg"
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return 1
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fi
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echo Found package $pkg >&2
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# download and unpack the bz2 or xz file
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# pick the latest version, which comes first
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install=$(awk '/^install: / {print $2; exit}' release/"$pkg"/desc)
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if [[ ! $install ]]
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then
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echo 'Could not find "install" in package description: obsolete package?'
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exit 1
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fi
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file=$(basename $install)
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cd release/"$pkg"
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wget -nc $mirror/$install
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# check the md5
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digest=$(awk '/^install: / {print $4; exit}' desc)
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digactual=$(md5sum $file | awk NF=1)
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if [ $digest != $digactual ]
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then
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echo MD5 sum did not match, exiting
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exit 1
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fi
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tar tf $file | gzip > /etc/setup/"$pkg".lst.gz
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echo $file
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}
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apt-search () {
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checkpackages
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for pkg in $packages
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do
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key=$(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 Found $key in the package $package
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fi
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done
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done
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}
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apt-searchall () {
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for pkg in $packages
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do
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printf -v qs 'text=1&arch=%s&grep=%s' $ARCH "$pkg"
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cd /tmp
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wget -O matches cygwin.com/cgi-bin2/package-grep.cgi?"$qs"
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awk '
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NR > 1 &&
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! /-debuginfo-/ &&
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! /-devel-/ &&
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! /-doc-/ &&
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! /-src\t$/ &&
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! mc[$2]++ &&
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$0 = $2
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' FS=/ matches
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done
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}
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apt-install () {
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findworkspace
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checkpackages
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local pkg file requires warn package script
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for pkg in $packages
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do
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if grep -q "^$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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echo
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echo Installing $pkg
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file=$(download $pkg) || continue
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cd release/$pkg
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echo Unpacking...
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tar -x -C / -f $file
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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=$file /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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# 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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warn=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 || (( warn++ ))
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done
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fi
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if (( warn ))
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then
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echo 'Warning: some required packages did not install, continuing'
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fi
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# run all postinstall scripts
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(( 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
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done
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}
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apt-remove () {
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checkpackages
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for pkg in $packages
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do
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if ! grep -q "^$pkg " /etc/setup/installed.db
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then
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echo Package $pkg is not installed, skipping
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continue
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fi
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cygcheck awk bash bunzip2 grep gzip mv sed tar xargs xz | awk '
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/bin/ &&
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! fd[$NF]++ &&
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$0 = $NF
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' FS='\\' > /tmp/cygcheck.txt
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apt-cyg listfiles $pkg | awk '
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$0 = $NF
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' FS=/ > /tmp/listfiles.txt
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if grep -xf /tmp/cygcheck.txt /tmp/listfiles.txt
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then
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echo apt-cyg cannot remove package $pkg, exiting
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exit 1
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fi
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if [ ! -e /etc/setup/"$pkg".lst.gz ]
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then
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echo Package manifest missing, cannot remove $pkg. Exiting
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exit 1
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fi
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echo Removing $pkg
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# run preremove scripts
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if [ -e /etc/preremove/"$pkg".sh ]
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then
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/etc/preremove/"$pkg".sh
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rm /etc/preremove/"$pkg".sh
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fi
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gzip -cd /etc/setup/"$pkg".lst.gz | sed '\./$.d;s.^./.' | xargs rm -f
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rm /etc/setup/"$pkg".lst.gz
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rm -f /etc/postinstall/$pkg.sh.done
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awk '$1 != pkg' pkg="$pkg" /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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echo Package $pkg removed
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done
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}
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# process options
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dofile=0
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command=''
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file=''
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filepackages=''
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packages=''
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while (( $# ))
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do
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case "$1" in
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--mirror | -m)
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echo "$2" > /etc/setup/last-mirror
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shift 2
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;;
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--cache | -c)
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cygpath -aw "$2" > /etc/setup/last-cache
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shift 2
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;;
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--noscripts)
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noscripts=1
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shift
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;;
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--help)
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usage
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exit 0
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;;
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--version)
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version
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exit 0
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;;
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--file | -f)
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if [[ $2 ]]
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then
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file=$2
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dofile=1
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shift
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else
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echo No file name provided, ignoring $1 >&2
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fi
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shift
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;;
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update)
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command=$1
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shift
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;;
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install \
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| list \
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| listfiles \
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| depends \
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| rdepends \
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| search \
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| searchall \
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| remove \
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| show)
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if [[ $command ]]
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then
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packages+=" $1"
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else
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command=$1
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fi
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shift
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;;
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*)
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packages+=" $1"
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shift
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;;
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esac
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done
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if (( dofile ))
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then
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if [ -f "$file" ]
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then
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filepackages+=$(awk '{printf " %s", $0}' "$file")
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else
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echo File $file not found, skipping
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fi
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packages+=" $filepackages"
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fi
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if type -t apt-$command | grep -q function
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then
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apt-$command
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else
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usage
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fi
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