308 lines
8.5 KiB
Bash
Executable file
308 lines
8.5 KiB
Bash
Executable file
#!/bin/sh
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (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 <https://www.gnu.org/licenses/>.
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set -e
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vardir="$1"
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method=$2
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option=$3
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cd "$vardir/methods/file"
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tp="$(mktemp --tmpdir $method.XXXXXXXXXX)"
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iarch=$(dpkg --admindir $vardir --print-architecture)
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xit=1
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trap '
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rm -f $tp.?
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exit $xit
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' 0
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if ls -d "$tp.?" >/dev/null 2>&1; then
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rm $tp.?
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fi
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yesno () {
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while true; do
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echo -n "$2 [$1] "
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read response
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if [ -z "$response" ]; then
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response="$1"
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fi
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case "$response" in
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[Nn]*)
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yesno=no
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return
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;;
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[Yy]*)
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yesno=yes
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return
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;;
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esac
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done
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}
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outputparam () {
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echo "$2" | sed -e "s/'/'\\\\''/; s/^/$1='/; s/$/'/" >&3
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}
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intrkey="$(stty -a | sed -n 's/.*intr = \([^;]*\);.*/\1/p')"
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echo "
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If you make a mistake, use the interrupt key ($intrkey) to abort.
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"
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# State variables, “best first”
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# {main,ctb,nf,lcl}_{packages,binary}
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# Empty before we've found them or if they're not available,
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# set to the relevant bit under mountpoint otherwise.
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# hierbase
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# A directory containing a Debian FTP site mirror tree for ONE distribution.
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# eg /pub/debian/dists/stable
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# mountpoint
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# The mountpoint for the filesystem containing the stuff
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# empty or unset if we don't know yet, or if we haven't mounted anything;
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# may also be empty if ‘directory’ was set.
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# fstype
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# The filesystem type to use.
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if [ -f shvar.$option ]; then
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. ./shvar.$option
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fi
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if [ -n "$mountpoint" ]; then
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# We must have $mountpoint
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echo \
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"All directory names should be entered relative to the root of the
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$fstype filesystem.
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"
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fi
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while true; do
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echo \
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"In order to make it easy to find the relevant files, it is preferred
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to install from a straightforward copy of the Debian distribution.
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To use this, it is required to know where the top level of that copy of
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the distribution is (eg. 'debian/dists/stable') - this directory usually
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contains the Packages-Master file.
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If you do not have a straightforward copy of the distribution available
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just answer 'none' and each needed part will be prompted individually."
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defhierbase=none
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# maybe ask for debian/dists and then show and ask for available dists
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# eg. {stable,frozen,unstable,bo,hamm,slink}
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if [ -n "$p_hierbase" ]; then
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if [ -d "$mountpoint/$p_hierbase/main/binary-$iarch" ]; then
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echo "
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Last time you said '$p_hierbase', and that looks plausible."
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defhierbase="$p_hierbase"
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else
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echo "
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Last time you said '$p_hierbase', but that doesn't look plausible,
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since '$p_hierbase/main/binary-$iarch' doesn't seem to exist."
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fi
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fi
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if [ none = "$defhierbase" ]; then
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if [ -d "$mountpoint/debian/dists/stable/main/binary-$iarch" ]; then
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echo "
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'/debian/dists/stable' exists and looks plausible, so that's the default."
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defhierbase=/debian/dists/stable
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elif [ -d "$mountpoint/dists/stable/main/binary-$iarch" ]; then
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echo "
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'/dists/stable' exists and looks plausible, so that's the default."
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defhierbase=/dists/stable
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fi
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fi
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echo -n \
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"Distribution top level ? [$defhierbase] "
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read response
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if [ -z "$response" ]; then
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response="$defhierbase"
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fi
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if [ none = "$response" ]; then
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hierbase=""
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break
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elif [ -d "$mountpoint/$response/main/binary-$iarch" ]; then
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hierbase="$(echo "$response" | sed -e 's:/*$::; s:^/*:/:')"
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break
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fi
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echo \
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"$response/main/binary-$iarch does not exist.
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"
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done
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case "$hierbase" in
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/* )
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;;
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'' )
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;;
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* )
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hierbase="/$hierbase"
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;;
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esac
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check_binary () {
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# args: area-in-messages directory
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# eg: main "$hierbase/main/binary-$iarch"
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# checks whether $2 contains *.deb
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if ! [ -d "$mountpoint$2/" ]; then
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echo "'$2' does not exist."
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return
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fi
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if ! ( find -L "$mountpoint$2/" -name '*.deb' -print \
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| head -n 1 ) 2>/dev/null | grep . >/dev/null; then
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echo "'$2' does not contain any *.deb packages. Hmmpf."
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return
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fi
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echo "Using '$2' as $1 binary dir."
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this_binary="$2"
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}
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find_area () {
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# args: area-in-messages area-in-vars subdirectory-in-hier
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# last-time-binary last-time-packages
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# eg: main main main
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# "$p_main_binary" "$p_main_packages"
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this_binary=''
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this_packages=''
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if [ -n "$hierbase" ]; then
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check_binary $1 "$hierbase/$3/binary-$iarch"
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fi
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if [ $2 = lcl ] && [ -z "$this_binary" ]; then
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echo "
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Note: By default there is no 'local' directory. It is intended for
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packages you made yourself."
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fi
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if [ $2 = nf -a -z "$this_binary" ]; then
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echo "
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Note: most media distributions of Debian do not include programs available
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in the 'non-free' directory of the distribution site.
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This is because these programs are under licenses that do not allow source
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modification or prevent distribution for profit on a media, or other
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restrictions that make them not free software.
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If you wish to install these programs you will have to get them from an
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alternative source."
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fi
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while [ -z "$this_binary" ]; do
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defaultbinary="$4"
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echo "
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Which directory contains the *.deb packages from the $1 distribution
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area (this directory is named '$3/binary-$iarch' on the distribution site) ?
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Say 'none' if this area is not available."
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if [ $2 != main ] && [ -z "$defaultbinary" ]; then
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defaultbinary=none
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fi
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echo -n \
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"Enter _$1_ binary dir. [$4]
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? "
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read response
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if [ -z "$response" ] && [ -n "$defaultbinary" ]; then
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response="$defaultbinary"
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fi
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if [ none = "$response" ]; then
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break
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fi
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case "$response" in
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'' | none)
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continue
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;;
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esac
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check_binary $1 "$(echo "$response" | sed -e 's:/$::; s:^/*:/:')"
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done
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if [ -n "$this_binary" ]; then
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for f in Packages.gz packages.gz Packages packages; do
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if [ -f "$mountpoint/$this_binary/$f" ]; then
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echo "Using '$this_binary/$f' for $1."
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this_packages="$this_binary/$f"
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break
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fi
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done
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while [ -z "$this_packages" ]; do
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echo -n "
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Cannot find the $1 'Packages' file. The information in the
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'Packages' file is important for package selection during new
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installations, and is very useful for upgrades.
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If you overlooked it when downloading you should do get it now and
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return to this installation procedure when you have done so: you will
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find one Packages file and one Packages.gz file -- either will do --
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in the 'binary-$iarch' subdirectory of each area on the FTP sites and
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media discs. Alternatively (and this will be rather slow) the packages in
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the distribution area can be scanned - say 'scan' if you want to do so.
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You need a separate Packages file from each of the distribution areas
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you wish to install.
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Where is the _$1_ 'Packages' file (if none is available, say 'none')
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[$5]
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? "
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read response
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if [ -z "$response" ] && [ -n "$5" ]; then
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response="$5"
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fi
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case "$response" in
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'')
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continue
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;;
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none)
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break
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;;
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scan)
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this_packages=scan
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;;
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/*)
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this_packages="$response"
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;;
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*)
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this_packages="/$response"
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;;
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esac
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done
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fi
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eval $2'_binary="$this_binary"'
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eval $2'_packages="$this_packages"'
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}
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find_area main main main "$p_main_binary" "$p_main_packages"
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find_area contrib ctb contrib "$p_ctb_binary" "$p_ctb_packages"
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find_area non-free-firmware nff non-free-firmware "$p_nff_binary" "$p_nff_packages"
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find_area non-free nf non-free "$p_nf_binary" "$p_nf_packages"
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find_area local lcl local "$p_lcl_binary" "$p_lcl_packages"
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echo -n '
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Hit RETURN to continue. '
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read response
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exec 3>shvar.$option.new
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outputparam p_fstype "$fstype"
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outputparam p_mountpoint "$mountpoint"
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outputparam p_hierbase "$hierbase"
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outputparam p_main_packages "$main_packages"
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outputparam p_main_binary "$main_binary"
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outputparam p_ctb_packages "$ctb_packages"
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outputparam p_ctb_binary "$ctb_binary"
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outputparam p_nf_packages "$nf_packages"
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outputparam p_nf_binary "$nf_binary"
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outputparam p_nff_packages "$nff_packages"
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outputparam p_nff_binary "$nff_binary"
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outputparam p_lcl_packages "$lcl_packages"
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outputparam p_lcl_binary "$lcl_binary"
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mv shvar.$option.new shvar.$option
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xit=0
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