pkg-install & purge-installed: use dummy deb method
Botspot
4 years ago
parent
0629b72294
commit
da7f613f89
@ -1,129 +1,186 @@
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#!/bin/bash
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DIRECTORY="$(readlink -f "$(dirname "$0")")"
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trap "exit 1" TERM
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export TOP_PID=$$
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error() {
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echo -e "\e[91m$1\e[39m" 1>&2
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kill -w -s TERM $TOP_PID
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exit 1
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}
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#$1 is a quotation-marked, space-seperated list of package names.
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#$2 is the path to the program folder being installed.
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#Example usage: ~/pi-apps/pkg-install "gparted buffer expect" ~/pi-apps/apps/Arduino
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PKG_LIST="$1"
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PRG="$(echo "$2" | tr '/' '\n' | tail -1)"
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PKG_LIST="$1" #quotation-marked, space-seperated list of package names to install
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app="$(basename "$2")" #remove any slashes to just get program name
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DIRECTORY="$(readlink -f "$(dirname "$0")")"
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function error {
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echo -e "\e[91m$1\e[39m"
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exit 1
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reduceapt() { #remove unwanted lines from apt output
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grep -v "apt does not have a stable CLI interface.\|Reading package lists...\|Building dependency tree\|Reading state information...\|Need to get\|After this operation,\|Get:\|Fetched\|Selecting previously unselected package\|Preparing to unpack\|Unpacking \|Setting up \|Processing triggers for "
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}
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echo "Running pkg-install..."
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if [ -z "$PKG_LIST" ];then
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echo -e "\e[91mNo packages were specified!\e[39m"
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exit=yes
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fi
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if [ -z "$PRG" ];then
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echo -e "\e[91mNo program directory specified!\e[39m"
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exitcode=1
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elif [ ! -d "$2" ];then
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echo -e "\e[91m$2 does not exist!\e[39m"
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exitcode=1
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elif [ -z "$(echo "$2" | grep "pi-apps/apps")" ];then
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echo -e "\e[33mWarning: That program directory ($PRG) is located outside of pi-apps.\e[39m"
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fi
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if [ ! -z $exitcode ];then
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echo -e '$1 is a quotation-marked, space-seperated list of package names.\n$2 is the path to the program folder being installed.\nExample usage: ~/pi-apps/pkg-install '\"'gparted buffer expect'\"' ~/pi-apps/apps/Arduino'
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echo -e "\e[91mExiting now.\e[39m"
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exit 1
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error "No package names specified to pkg-install!"
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elif [ -z "$app" ];then
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error "No app name specified to pkg-install!"
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fi
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echo -n "Waiting until APT locks are released... "
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{
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while sudo fuser /var/lib/dpkg/lock &>/dev/null ; do
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sleep 1
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sleep 0.5
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done
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while sudo fuser /var/lib/apt/lists/lock &>/dev/null ; do
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sleep 1
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sleep 0.5
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done
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if [ -f /var/log/unattended-upgrades/unattended-upgrades.log ]; then
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while sudo fuser /var/log/unattended-upgrades/unattended-upgrades.log &>/dev/null ; do
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sleep 1
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sleep 0.5
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done
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fi
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echo "Done"
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}
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DEBIAN_FRONTEND=noninteractive
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LANG=C
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LC_ALL=C
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#sudo apt update
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{
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echo -e "Running \e[4msudo a\e[0mp\e[4mt u\e[0mp\e[4mdate\e[0m..."
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output="$(sudo LANG=C LC_ALL=C apt update 2>&1)"
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exitcode=$?
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#inform user about autoremovable packages
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if [ ! -z "$(echo "$output" | grep 'autoremove to remove them' )" ];then
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echo -e "\e[33mSome packages are unnecessary.\e[39m Please consider running \e[4msudo apt autoremove\e[0m."
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fi
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#inform user packages are upgradeable
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if [ ! -z "$(echo "$output" | grep 'packages can be upgraded' )" ];then
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echo -e "\e[33mSome packages can be upgraded.\e[39m Please consider running \e[4msudo apt full-upgrade -y\e[0m."
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echo -e "\e[33mSome packages can be upgraded.\e[39m Please consider running \e[4msudo apt full-upgrade\e[0m."
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fi
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#exit on apt error
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errors="$(echo "$output" | grep '^[(W)|(E)|(Err]:')"
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if [ $exitcode != 0 ] || [ ! -z "$errors" ];then
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echo -e "\e[91mFailed to run \e[4msudo apt update\e[0m\e[39m!"
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echo -e "\e[91mpkg-install failed to run \e[4msudo apt update\e[0m\e[39m!"
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echo -e "APT reported these errors:\n\e[91m$errors\e[39m"
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exit 1
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fi
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}
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#remove residual packages
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#sudo apt autoremove -y && sudo apt clean && sudo apt-get purge -y $(dpkg -l | grep '^rc' | awk '{print $2}')
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#workarounds for local debs
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{
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for package in $PKG_LIST ;do
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#if package begins with / (absolute path)
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if [[ "$package" == /* ]];then
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#determine the package name from the package filepath
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packagename="$(dpkg-deb -I "$package" | grep "^ Package:" | awk '{print $2}')"
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[ -z "$packagename" ] && error "pkg-install: failed to determine the package name of $package"
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#change PKG_LIST to contain package name instead of package's absolute path
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PKG_LIST="$(echo "$PKG_LIST" | sed "s|$package|$packagename|")"
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echo -e "\e[97m\nInstalling local $packagename package...\e[39m"
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#install it and reduce apt's output and indent the output
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(sudo LANG=C LC_ALL=C apt install -y --no-install-recommends "$package" 2>&1 || error "pkg_install: While installing local packages, $package failed to install.") | reduceapt
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sudo apt-mark auto "$packagename" || error "pkg-install: failed to mark the $packagename package as autoremovable.\nlocal package path: $package"
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fi
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done
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output="$(sudo LANG=C LC_ALL=C apt-get install --no-install-recommends --dry-run $PKG_LIST 2>&1)"
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echo "output: $output"
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#now PKG_LIST shouldn't contain any absolute file paths
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if [[ "$PKG_LIST" == /* ]];then
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error "pkg_install: failed to remove all absolute paths from the package list!\nContents of PKG_LIST:\n$PKG_LIST"
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fi
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}
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errors="$(echo "$output" | grep '^[(W)|(E)|(Err]:')"
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#workarounds for regex (using '*')
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{
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for package in $PKG_LIST ;do
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#if package contains *
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if echo "$package" | grep -q '*' ;then
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echo -e "\e[97m\n$package contains regex. Expanding it...\e[39m"
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list="$(apt-cache search "$package" | awk '{print $1}' | grep "$(echo "$package" | tr -d '*')" | tr '\n' ' ')"
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#change PKG_LIST to contain package name instead of package's absolute path
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PKG_LIST="$(echo "$PKG_LIST" | sed "s|$(echo "$package" | sed 's/*/\\*/g')|$list|g")"
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echo -e "\e[97m\npackage list is now: $PKG_LIST\e[39m"
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fi
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done
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#now PKG_LIST shouldn't contain any * characters
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if echo "$PKG_LIST" | grep -q '*';then
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error "pkg_install: failed to remove all regex from the package list!\nContents of PKG_LIST:\n$PKG_LIST"
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fi
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}
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#format PKG_LIST - remove double spaces, preceding spaces, and trailing spaces.
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PKG_LIST="$(echo "$PKG_LIST" | sed 's/ / /g' | sed 's/^ //g' | sed 's/ $//g')"
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#create dummy deb
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{
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#create dummy apt package that depends on the packages this app requires
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echo -e "\e[97m\nCreating dummy deb...\e[39m"
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#to avoid issues with symbols and spaces in app names, we shasum the app name for use in apt
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appnamehash="$(echo "$app" | md5sum | cut -c1-8 | awk '{print $1}')"
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rm -rf ~/pi-apps-$appnamehash ~/pi-apps-$appnamehash.deb
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mkdir -p ~/pi-apps-$appnamehash/DEBIAN
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echo "Maintainer: Pi-Apps team
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Name: $app
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Description: Dummy package created by pi-apps to install dependencies for the '$app' app
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Version: 1.0
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Architecture: all
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Priority: optional
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Section: custom
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Depends: $(echo "$PKG_LIST" | tr -d ',' | sed 's/ /, /g')
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Package: pi-apps-$appnamehash" > ~/pi-apps-$appnamehash/DEBIAN/control
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dpkg-deb --build ~/pi-apps-$appnamehash || error "pkg-install: failed to create dummy deb pi-apps-$appnamehash"
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}
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#install dummy deb
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{
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#ensure dummy deb isn't already installed
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if dpkg -l pi-apps-$appnamehash &>/dev/null ;then
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echo -e "\e[97m\nDummy deb is already installed. Uninstalling it first...\e[39m"
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sudo apt purge -y pi-apps-$appnamehash || error "Failed to purge dummy deb (pi-apps-$appnamehash)"
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sudo apt update &>/dev/null
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fi
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echo -e "\e[97m\nInstalling dummy deb...\e[39m"
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output="$(sudo apt-get install -y --no-install-recommends ~/pi-apps-$appnamehash.deb 2>&1 | reduceapt | tee /dev/stderr )"
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rm -f ~/pi-apps-$appnamehash.deb
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echo -e "\e[97m\nApt finished.\e[39m"
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errors="$(echo "$output" | grep '^[(W)|(E)|(Err]:')"
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if [ ! -z "$errors" ];then
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echo -e "\e[91mFailed to check which packages whould be installed!\e[39m"
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echo -e "\e[91mFailed to install the packages!\e[39m"
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echo -e "APT reported these errors:\n\e[91m$errors\e[39m"
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exit 1
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fi
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}
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INSTALL_LIST="$(echo "$output" | sed -n '/The following NEW packages/,/to remove/p' | sed -e '2,$!d' -e '$d' | tr -d '*' | tr '\n' ' ' | sed 's/The following.*//')"
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#re-check package list. This time it should be blank.
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{
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INSTALL_LIST="$(sudo LANG=C LC_ALL=C apt-get install --no-install-recommends --dry-run $PKG_LIST 2>&1 | sed -n '/The following NEW packages/,/to remove/p' | sed -e '2,$!d' -e '$d' | tr -d '*' | tr '\n' ' ' | sed 's/The following.*//')"
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if [ ! -z "$INSTALL_LIST" ];then
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#save that list of installed packages in the program directory for future removal
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mkdir -p "${DIRECTORY}/data/installed-packages"
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echo "$INSTALL_LIST" >> "${DIRECTORY}/data/installed-packages/${PRG}"
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echo -e "These packages will be installed: \e[2m$INSTALL_LIST\e[22m"
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#normal mode
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output="$(sudo LANG=C LC_ALL=C apt-get install -y --no-install-recommends $PKG_LIST 2>&1 1>&2)"
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exitcode=$?
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echo 'Apt finished.'
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echo "Output: $output"
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errors="$(echo "$output" | grep '^[(W)|(E)|(Err]:')"
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if [ $exitcode != 0 ] || [ ! -z "$errors" ];then
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echo -e "\e[91mFailed to install the packages!\e[39m"
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echo -e "APT reported these errors:\n\e[91m$errors\e[39m"
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exit 1
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fi
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#re-check package list. This time it should be blank.
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#INSTALL_LIST=''
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#for i in $PKG_LIST
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#do
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# PKG_OK="$(dpkg-query -W --showformat='${Status}\n' "$i" 2>/dev/null | grep "install ok installed")"
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# if [ "" == "$PKG_OK" ]; then
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# INSTALL_LIST="${INSTALL_LIST} ${i}" #add package to install list
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# fi
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#done
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INSTALL_LIST="$(sudo LANG=C LC_ALL=C apt-get install --no-install-recommends --dry-run $PKG_LIST | sed -n '/The following packages/,/to remove/p' | sed -e '2,$!d' -e '$d' | tr -d '*' | tr '\n' ' ' | sed 's/The following.*//')"
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if [ ! -z "$INSTALL_LIST" ];then
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echo -e "\e[91mAPT did not exit with an error, but these packages failed to install somehow: $INSTALL_LIST\e[39m"
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exit 1
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else
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echo -e "\e[32mAll packages were installed succesfully.\e[39m"
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fi
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error "APT did not exit with an error, but these packages failed to install somehow:\n$INSTALL_LIST\e[39m"
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else
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echo -e "\e[32mNo new packages to install. Nothing to do!\e[39m"
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echo '' >> "${DIRECTORY}/data/installed-packages/${PRG}"
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echo -e "\e[32mAll packages were installed succesfully.\e[39m"
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fi
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}
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rm -rf ~/pi-apps-$appnamehash #remove dummy deb creation folder if all went well
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