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api
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#!/bin/bash
#This script is the backbone of Pi-Apps. It hosts functions that all other scripts depend upon.
#By default, this file is hard to read. But there's an easy way to fix that. In your code editor, find the option to "Fold All".
#In Geany, this option can be found in the Document toolbar.
#Botspot has found it helpful to create a keyboard shortcut to do this quickly. You may find it helpful too.
#output functions below
error() { #red text and exit 1
echo -e "\e[91m$1\e[0m" 1>&2
exit 1
}
warning() { #yellow text
echo -e "\e[93m\e[5m◢◣\e[25m WARNING: $1\e[0m" 1>&2
}
status() { #cyan text to indicate what is happening
#detect if a flag was passed, and if so, pass it on to the echo command
if [[ "$1" == '-'* ]] && [ ! -z "$2" ];then
echo -e $1 "\e[96m$2\e[0m" 1>&2
else
echo -e "\e[96m$1\e[0m" 1>&2
fi
}
status_green() { #announce the success of a major action
echo -e "\e[92m$1\e[0m" 1>&2
}
generate_logo() { #display colorized Pi-Apps logo in terminal
#ANSI color codes: https://misc.flogisoft.com/bash/tip_colors_and_formatting
#Search for unicode characters: https://unicode-search.net - search for "block" and "quadrant"
# foreground colors
blue='\e[38;5;21m' #blue='\e[38;5;27m' #lighter
green='\e[38;5;46m'
darkgreen='\e[38;5;34m'
red='\e[38;5;197m'
white='\e[97m'
black='\e[30m'
default='\e[39m'
# background colors
bg_default='\e[49m'
bg_black='\e[40m'
bg_white='\e[107m'
#use simpler logo if OS is Buster or lower - to fix issue https://github.com/Botspot/pi-apps/issues/1441
local version_id="$(grep 'VERSION_ID=' /etc/os-release | tr -cd '0123456789.')"
if [[ "$version_id" != *\.* ]] && [ "$version_id" -ge 11 ];then
echo -e "${bg_default} ${green}🭊${darkgreen}▅▅▅▅${green}🬿${default} ${darkgreen} ${default}
${blue}🭇🬭🬭${green}█${blue}🬭🬭🬭🬭${green}█${blue}🬭🬭🬼${default} ${darkgreen} ${default}
${blue}🮉${bg_white} ${black}${bg_white}🬞🬭🬭🬭🬭🬏${blue} ${bg_default}▋${default} █▀▀🭍 ▄ ${darkgreen} ${black} ${darkgreen} ${black} ${darkgreen} ${default}
${blue}🮉${bg_white} ${black}${bg_white}▐${red}${bg_black}🬰🬠🬐🬰${black}${bg_white}▌${bg_white}${blue} ${bg_default}▋${default} █▄▄🭞 ▄ ${blue}▄▄${default} 🭂▀▀█ █▀▀🭍 █▀▀🭍 🭂🬰🬰🬰 ${darkgreen} ${black} ${darkgreen} ${black} ${darkgreen} ${default}
${blue}🮉${bg_white} ${black}${bg_white}▐${red}${bg_black}🬋🬇🬃🬋${black}${bg_white}▌${bg_white}${blue} ${bg_default}▋${default} █ █ 🭓▄▄█ █▄▄🭞 █▄▄🭞 ▄▄▄🭞 ${darkgreen} ${black} ${darkgreen} ${default}
${blue}🭦${bg_white}🭏🬭🬭🬭🬭🬭🬭🬭🬭🭄${bg_default}🭛${default} █ █ ${darkgreen} ${black} ${darkgreen} ${default}
\e[0m ${darkgreen} ${black} ${darkgreen} ${default}
${darkgreen} ${black} ${darkgreen} ${black} ${darkgreen} ${default}"
else
echo -e "${white}${bg_default} ${green}▅${darkgreen}▅▅▅▅${green}▅${default} ${darkgreen} ${default}
${blue}▂▂▂${green}█${blue}▂▂▂▂${green}█${blue}▂▂▂${white}${default} ${darkgreen} ${default}
${bg_white}${blue}▌ ${red}${bg_black}▗▖▗▖▗▖${bg_white}${blue} ▐${default}${bg_default} █▀▀▆ ▄ ${darkgreen} ${black} ${darkgreen} ${black} ${darkgreen} ${default}
${bg_white}${blue}▌ ${red}${bg_black}▗▖▗▖▗▖${bg_white}${blue} ▐${default}${bg_default} █▄▄\e[7m▂\e[27m ▄ ${blue}▄▄${default} ▆▀▀█ █▀▀▆ █▀▀▆ ▆\e[7m━━━\e[27m ${darkgreen} ${black} ${darkgreen} ${black} ${darkgreen} ${default}
${bg_white}${blue}▌ ${red}${bg_black}▗▖▗▖▗▖${bg_white}${blue} ▐${default}${bg_default} █ █ \e[7m▂\e[27m▄▄█ █▄▄\e[7m▂\e[27m █▄▄\e[7m▂\e[27m ▄▄▄\e[7m▂\e[27m ${darkgreen} ${black} ${darkgreen} ${default}
${blue}${bg_default}\e[7m▂\e[27m${bg_white}▃▃▃▃▃▃▃▃▃▃${bg_default}\e[7m▂\e[27m${default} █ █ ${darkgreen} ${black} ${darkgreen} ${default}
\e[0m ${darkgreen} ${black} ${darkgreen} ${default}
${darkgreen} ${black} ${darkgreen} ${black} ${darkgreen} ${default}"
fi
}
#end of output functions
add_english() { #add en_US locale for more accurate error
if [ "$(cat /usr/share/i18n/SUPPORTED | grep -o 'en_US.UTF-8' )" == "en_US.UTF-8" ]; then
locale=$(locale -a | grep -oF 'en_US.utf8')
if [ "$locale" != 'en_US.utf8' ]; then
status "Adding en_US locale for better logging... "
sudo sed -i '/en_US.UTF-8/s/^#[ ]//g' /etc/locale.gen
sudo locale-gen
fi
else
warning "en_US locale is not available on your system. This may cause bad logging experience."
fi
export LANG="en_US.UTF-8"
export LANGUAGE="en_US.UTF-8"
export LC_ALL="en_US.UTF-8"
}
#package functions
package_info() { #list everything dpkg knows about the $1 package. Note: the package has to be installed for this to show anything.
local package="$1"
[ -z "$package" ] && error "package_info(): no package specified!"
#list lines in /var/lib/dpkg/status between the package name and the next empty line (empty line is then removed)
sed -n -e '/^Package: '"$package"'$/,/^$/p' /var/lib/dpkg/status | head -n -1
true #this may exit with code 141 if the pipe was closed early (to be expected with grep -v)
}
package_installed() { #exit 0 if $1 package is installed, otherwise exit 1
local package="$1"
[ -z "$package" ] && error "package_installed(): no package specified!"
#find the package listed in /var/lib/dpkg/status
#package_info "$package"
#directly search /var/lib/dpkg/status
grep "^Package: $package$" /var/lib/dpkg/status -A 1 | tail -n 1 | grep -q 'Status: install ok installed'
}
package_available() { #determine if the specified package-name exists in a repository
local package="$1"
[ -z "$package" ] && error "package_available(): no package name specified!"
#using find and grep to do this is nearly instantaneous, rather than apt-cache which takes several seconds
find /var/lib/apt/lists -maxdepth 1 -name "*_Packages" | xargs grep -q "^Package: $package$"
}
package_dependencies() { #outputs the list of dependencies for the $1 package
local package="$1"
[ -z "$package" ] && error "package_dependencies(): no package specified!"
#find the package listed in /var/lib/dpkg/status
package_info "$package" | grep '^Depends: ' | sed 's/^Depends: //g'
}
package_latest_version() { #returns the latest available versions of the specified package-name. Doesn't matter if it's installed or not.
local package="$1"
[ -z "$package" ] && error "package_latest_version(): no package specified!"
# use slower but more accurate apt list command to get package version for current architecture
apt list -a "$package" 2>/dev/null | grep "$(dpkg --print-architecture)" | awk '{print $2}' | sort -rV | head -n1
#grep -rx "Package: $package" /var/lib/apt/lists --exclude="lock" --exclude-dir="partial" --after 4 | grep -o 'Version: .*' | awk '{print $2}' | sort -rV | head -n1
}
package_is_new_enough() { #check if the $1 package has an available version greater than $2
local package="$1"
[ -z "$package" ] && error "package_is_new_enough(): no package specified!"
local compare_version="$2"
[ -z "$package" ] && error "package_is_new_enough(): no comparison version number specified!"
#determine the latest available version for the specified package
local package_version="$(package_latest_version "$package")"
#if version value not found, return 1 now
if [ -z "$package_version" ];then
return 1
fi
#given both the package_version and compare_version, see if the greater of the two is the available package's version
if [ "$(echo "$package_version"$'\n'"$compare_version" | sort -rV | head -n1)" == "$package_version" ];then
#if so, indicate success
return 0
else
return 1
fi
}
anything_installed_from_repo() { #Given an apt repository URL, determine if any packages from it are currently installed
[ -z "$1" ] && error "anything_installed_from_repo: A repository URL must be specified."
#user input repo-url. Remove 'https://', and translate '/' to '_' to conform to apt file-naming standard
local url="$(echo "$1" | sed 's+.*://++g' | tr '/' '_')"
#find all package-lists pertaining to the url
local repofiles="$(ls /var/lib/apt/lists/*_Packages | grep "$url")"
#for every repo-file, check if any of them have an installed file
local found=0
local IFS=$'\n'
local repofile
for repofile in $repofiles ;do
#search the repo-file for installed packages
grep '^Package' "$repofile" | awk '{print $2}' | while read -r package ;do
if package_installed "$package" ;then
echo "Package installed: $package"
exit 1
fi
done #if exit code is 1, search was successful. If exit code is 0, no packages from the repo were installed.
found=$?
if [ $found == 1 ];then
break
fi
done
#return an exit code
if [ $found == 1 ];then
return 0
else
return 1
fi
}
remove_repofile_if_unused() { #Given a sources.list.d file, delete it if nothing from that repository is currently installed. Deletion skipped if $2 is 'test'
local file="$1"
local testmode="$2"
[ -z "$file" ] && error "remove_repo_if_unused: no sources.list.d file specified!"
#return now if the list file does not exist
[ -f "$file" ] || return 0
#determine what repo-urls are in the file
local urls="$(cat "$file" | grep -v '^#' | tr ' ' '\n' | grep '://')"
#there could be multiple urls in one file. Check each url and set the in_use variable to 1 if any packages are found
local IFS=$'\n'
local in_use=0
local url
for url in $urls ;do
if anything_installed_from_repo "$url" >/dev/null;then
in_use=1
break
fi
done
if [ "$in_use" == 0 ] && [ "$testmode" == test ];then
echo "The given repository is not in use and can be deleted:"$'\n'"$file" 1>&2
elif [ "$in_use" == 0 ];then
status "Removing the $(basename "$file" | sed 's/.list$//g') repo as it is not being used"
sudo rm -f "$file"
fi
}
#apt functions
apt_lock_wait() { #Wait until other apt processes are finished before proceeding
#make sure english locale is added first
add_english
#in a background subprocess, after 5 seconds, say "Waiting until APT locks are released... "
(sleep 5; echo -n "Waiting until APT locks are released... ") &
local pid=$!
while [ ! -z "$(sudo fuser /var/lib/dpkg/lock /var/lib/apt/lists/lock /var/cache/apt/archives/lock /var/log/unattended-upgrades/unattended-upgrades.log /var/lib/dpkg/lock-frontend 2>/dev/null)" ];do
sleep 1
done
#Try to install a non-existent package to see if apt fails due to a lock-file. Repeat until no errors mention 'Could not get lock'
while sudo -E apt install lkqecjhxwqekc 2>&1 | grep -q 'Could not get lock' ;do
sleep 1
done
#If the background process finished, then that means the "waiting until" message was displayed. This means the kill command will return 1, so echo Done
kill $pid &>/dev/null || echo "Done"
}
less_apt() { #remove unwanted lines from apt output
grep --line-buffered -v "apt does not have a stable CLI interface.\|Reading package lists...\|Building dependency tree\|Reading state information...\|Need to get\|After this operation,\|Selecting previously unselected package\|Preparing to unpack\|Setting up \|Processing triggers for \|^$"
}
apt_update() { #run an apt update with error-checking and minimal output
apt_lock_wait
status "Running \e[7msudo apt update\e[27m..."
output="$(sudo -E apt update --allow-releaseinfo-change "$@" 2>&1 | less_apt | tee /dev/stderr)"
exitcode=$?
status "apt update complete."
#inform user about autoremovable packages
if [ ! -z "$(echo "$output" | grep 'autoremove to remove them' )" ];then
echo -e "\e[33mSome packages are unnecessary.\e[39m Please consider running \e[4msudo a\e[0mp\e[4mt autoremove\e[0m."
fi
#inform user packages are upgradeable
if [ ! -z "$(echo "$output" | grep 'packages can be upgraded' )" ];then
echo -e "\e[33mSome packages can be upgraded.\e[39m Please consider running \e[4msudo a\e[0mp\e[4mt full-u\e[0mpg\e[4mrade\e[0m."
elif [ ! -z "$(echo "$output" | grep 'package can be upgraded' )" ];then
echo -e "\e[33mOne package can be upgraded.\e[39m Please consider running \e[4msudo a\e[0mp\e[4mt full-u\e[0mpg\e[4mrade\e[0m."
fi
#exit on apt error
errors="$(echo "$output" | grep '^[(E)|(Err]:')"
if [ $exitcode != 0 ] || [ ! -z "$errors" ];then
echo -e "\e[91mFailed to run \e[4msudo apt update\e[0m\e[39m!"
echo -e "APT reported these errors:\n\e[91m$errors\e[39m"
#run some apt error diagnosis
echo "$output"
exit 1
fi
return 0
}
repo_add() { #add local packages to the /tmp/pi-apps-local-packages repository
#given local deb file(s), make a local apt repository in /tmp/pi-apps-local-packages
#see: https://unix.stackexchange.com/questions/87130/how-to-quickly-create-a-local-apt-repository-for-random-packages-using-a-debian
#and: https://serverfault.com/questions/447457/use-apt-get-source-on-a-debian-repo-without-using-etc-apt-source-list
#and: https://askubuntu.com/questions/382664/use-custom-directory-for-apt-get
#use this flag for apt commands to use the local repository: -o Dir::Etc::SourceList=/tmp/pi-apps-local-packages/source.list
#ensure the repo-folder exists
mkdir -p /tmp/pi-apps-local-packages || error "repo_add(): failed to create folder /tmp/pi-apps-local-packages"
#move every mentioned deb file to it
for file in "$@"; do
mv -f "$file" /tmp/pi-apps-local-packages || error "repo_add(): failed to move '$file' to the repository: /tmp/pi-apps-local-packages"
done
}
repo_refresh() { #index the pi-apps local apt repository
[ -d /tmp/pi-apps-local-packages ] || error "repo_update(): cannot index the repository - it's missing! /tmp/pi-apps-local-packages"
#index the repository by creating a Packages file
(cd /tmp/pi-apps-local-packages && apt-ftparchive packages . > Packages) || error "repo_update(): apt-ftparchive failed to index the repository: /tmp/pi-apps-local-packages
The Pi-Apps developers have been receiving a few of these errors recently, but we can't figure out what the problem is without your help. Could you please reach out so we can solve this?"
#Make sure the Packages file actually exists
[ -f /tmp/pi-apps-local-packages/Packages ] || error "repo_update(): apt-ftparchive failed to index the repository: /tmp/pi-apps-local-packages
The Pi-Apps developers have been receiving a few of these errors recently, but we can't figure out what the problem is without your help. Could you please reach out so we can solve this?"
#by default, apt-ftparchive will generate lines like "Filename: ./package-name". This seemed to have caused one error-report, so we remove the "./" to hopefully solve the problem.
sed -i 's+^Filename: \./+Filename: +g' /tmp/pi-apps-local-packages/Packages
# set repo origin name to pi-apps-local-packages - see PR #1986
echo 'APT::FTPArchive::Release {
Origin "pi-apps-local-packages";
};' > /tmp/pi-apps-local-packages/aptftp.conf
#hash the repository by creating a Release file
(cd /tmp/pi-apps-local-packages && apt-ftparchive -c=/tmp/pi-apps-local-packages/aptftp.conf release . > Release) || error "repo_update(): apt-ftparchive failed to hash the repository: /tmp/pi-apps-local-packages
The Pi-Apps developers have been receiving a few of these errors recently, but we can't figure out what the problem is without your help. Could you please reach out so we can solve this?"
#create a source.list for the repository - add pi-apps-local-packages to the top, then add lines from /etc/apt/sources.list
rm -f /tmp/pi-apps-local-packages/source.list
echo "deb [trusted=yes] file:/tmp/pi-apps-local-packages/ ./" > /tmp/pi-apps-local-packages/source.list
cat /etc/apt/sources.list >> /tmp/pi-apps-local-packages/source.list
# add priority to all pi-apps-local-packages so that they always have higher priority than repo versions - see PR #1986
# this has no affect when there the pi-apps-local-packages repo does not exist
echo 'Package: *
Pin: Release o=pi-apps-local-packages
Pin-Priority: 990' | sudo tee /etc/apt/preferences.d/pi-apps-local-packages >/dev/null
}
repo_rm() { #remove the local apt repository
#wait for other operations to finish before continuing - hopefully this will solve cases when the pi-apps local repository was removed unexpectedly by a second process
apt_lock_wait
rm -rf /tmp/pi-apps-local-packages || sudo rm -rf /tmp/pi-apps-local-packages || error "repo_rm(): failed to remove the local repository: /tmp/pi-apps-local-packages"
}
app_to_pkgname() { #given an app-name, convert it to a unique, valid package-name that starts with 'pi-apps-'
local app="$1"
[ -z "$app" ] && error "app_to_pkgname(): no app-name specified"
echo "pi-apps-$(echo "$app" | md5sum | cut -c1-8 | awk '{print $1}')"
}
install_packages() { #Make some packages dependencies of the $app app. Package-names, regex, filenames, and urls are supported.
#convert input array to newline-separated string
local IFS=' '
for arg in "$@"; do
local packages+="$arg
"
done
packages="${packages::-1}" #remove final empty newline
#the $app variable must contain something
[ -z "$app" ] && error 'install_packages function can only be used by apps to install packages. (the $app variable was not set)'
status "Will install these packages: $(tr '\n' ' ' <<<"$packages")"
#array-variable to store custom apt options (for local repositories)
local apt_flags=()
#variable to remember if the pi-apps-local-packages repository is being used
local using_local_packages=0
repo_rm #remove the local repo, just in case the last operation left it in an unrecoverable state.
#handle regex, urls, local packages
IFS=$'\n'
local package
for package in $packages ;do
#handle local packages (package-name starts with /)
if [[ "$package" == /* ]];then
#status "Handling local package $package"
[ -f "$package" ] || error "install_packages(): Local package does not exist! ($package)"
#determine the package name from the filename
packagename="$(dpkg-deb -I "$package" | grep "^ Package:" | awk '{print $2}')"
[ -z "$packagename" ] && error "install_packages(): failed to determine a package-name for the file '$package'"
#add this local package to the pi-apps-local-packages repository
repo_add "$package" || return 1
using_local_packages=1 #remember that the pi-apps-local-packages repository is being used
#replace package filename with name of package
packages="$(echo "$packages" | sed "s|$package|$packagename|")"
#handle urls
elif [[ "$package" == *://* ]];then
#status "Handling url: $package"
local filename="$HOME/$(basename "$package")"
#add .deb extension if filename doesn't end with it.
if [ "${filename: -4}" != ".deb" ]; then
status "$filename is not ending with .deb, renaming it to '${filename}.deb'..."
local filename="${filename}.deb"
fi
wget -O "$filename" "$package" || return 1
#determine the package name from the filename
packagename="$(dpkg-deb -I "$filename" | grep "^ Package:" | awk '{print $2}')"
[ -z "$packagename" ] && error "install_packages(): failed to determine a package-name for the file '$filename'"
#add this local package to the pi-apps-local-packages repository
repo_add "$filename" || return 1
using_local_packages=1 #remember that the pi-apps-local-packages repository is being used
#replace package url with name of package
packages="$(echo "$packages" | sed "s|$package|$packagename|")"
#expand regex (package-name contains *)
elif echo "$package" | grep -q '*' ;then
status "Expanding regex in '${package}'..."
list="$(apt-cache search "$package" | awk '{print $1}' | grep "$(echo "$package" | tr -d '*')")"
#replace package with expanded list
packages="$(echo "$packages" | grep -vF "$package")"$'\n'"$list"
fi
done
#now package list shouldn't contain any '*' characters, urls, local filepaths
if echo "$packages" | grep -q '*';then
error "install_packages(): failed to remove all regex from the package list:\n$packages"
elif [[ "$packages" == *://* ]];then
error "install_packages(): failed to remove all urls from the package list:\n$packages"
elif [[ "$packages" == */* ]];then
error "install_packages(): failed to remove all filenames from the package list:\n$packages"
fi #package list contains no '*' characters, urls, local filepaths
#change the $packages list from newline-delimited to space-delimited
packages="$(tr '\n' ' ' <<<"$packages")"
if [ "$using_local_packages" == 1 ];then
#Initialize the pi-apps-local-packages repository
repo_refresh || return 1
#add this repository to flags to add to apt
apt_flags+=(-o 'Dir::Etc::SourceList=/tmp/pi-apps-local-packages/source.list')
fi
status "Creating an empty apt-package to install the necessary apt packages..."
#to avoid issues with symbols and spaces in app names, we shasum the app name for use in apt
local package_name="$(app_to_pkgname "$app")"
echo "It will be named: $package_name"
#If this app's dummy deb is already installed, add its dependencies to the list.
#this allows install_packages() to be used multiple times in an app's script
if package_installed "$package_name" ;then
local existing_deps="$(package_dependencies "$package_name")"
status "The $package_name package is already installed. Inheriting its dependencies: $(echo "$existing_deps")"
packages+=" $existing_deps"
fi
{ #create dummy apt package that depends on the packages this app requires
#this stores the comma-separated list of dependency packages. It removes duplicate entries.
local depends="$(echo "$packages" | tr ' ' ',' | sed 's/,|/ |/g' | sed 's/|,/| /g' | tr ',' '\n' | sort | uniq | tr '\n' ',' | sed 's/^,//g' | sed 's/,$//g' | sed 's/,/, /g' ; echo)"
rm -rf ~/$package_name ~/$package_name.deb
mkdir -p ~/$package_name/DEBIAN
echo "Maintainer: Pi-Apps team
Name: $app
Description: Dummy package created by pi-apps to install dependencies for the '$app' app
Version: 1.0
Architecture: all
Priority: optional
Section: custom
Depends: $depends
Package: $package_name" > ~/$package_name/DEBIAN/control
#fix error report "dpkg-deb: error: control directory has bad permissions 700 (must be >=0755 and <=0775)"
#The two zeros fix error report "dpkg-deb: error: control directory has bad permissions 2755 (must be >=0755 and <=0775)"
sudo chmod -R '00755' ~/$package_name
#display the finished "Depends: " line to the user
grep --color=never "^Depends: " ~/$package_name/DEBIAN/control
}
#Skip installing the dummy deb if it is already installed and has an identical control file
if package_installed "$package_name" && [ "$(package_info "$package_name" | sort | grep -v '^Status: ')" == "$(cat ~/$package_name/DEBIAN/control | sort)" ];then
echo "$package_name is already installed and no changes would be made. Skipping..."
else
#Before apt update, check if local repo still exists
if [ "$using_local_packages" == 1 ] && [ ! -f /tmp/pi-apps-local-packages/Packages ];then
error "User error: Uh-oh, the /tmp/pi-apps-local-packages folder went missing while installing packages.\nThis usually happens if you try to install several apps at the same time in multiple terminals."
fi
#run an apt update
apt_update "${apt_flags[@]}" || exit 1
#After apt update, check again if local repo still exists
if [ "$using_local_packages" == 1 ] && [ ! -f /tmp/pi-apps-local-packages/Packages ];then
error "User error: Uh-oh, the /tmp/pi-apps-local-packages folder went missing while installing packages.\nThis usually happens if you try to install several apps at the same time in multiple terminals."
fi
#Build .deb file for the dummy package
local output="$(dpkg-deb --build ~/$package_name 2>&1)"
if [ $? != 0 ] || [ ! -f ~/$package_name.deb ];then
echo ""
echo "$output"
error "install_packages(): failed to create dummy deb ${package_name}!"
fi
#install dummy deb
status "Installing the $package_name package..."
apt_lock_wait
local output="$(sudo -E apt install -fy --no-install-recommends --allow-downgrades "${apt_flags[@]}" ~/$package_name.deb 2>&1 | less_apt | tee /dev/stderr)"
status "Apt finished."
errors="$(echo "$output" | grep '^[(E)|(Err]:')"
if [ ! -z "$errors" ];then
echo -e "\e[91mFailed to install the packages!\e[39m"
echo -e "APT reported these errors:\n\e[91m$errors\e[39m"
echo "$output"
#some error reports seem to indicate that package URLs aren't being properly downloaded. This output aims to solve the mystery.
if [ "$using_local_packages" == 1 ] && [ ! -f /tmp/pi-apps-local-packages/Packages ];then
echo "User error: Uh-oh, the /tmp/pi-apps-local-packages folder went missing while installing packages.\nThis usually happens if you try to install several apps at the same time in multiple terminals."
elif [ "$using_local_packages" == 1 ] && echo "$output" | grep 'but it is not installable' ;then
echo -e "\e[91mThe Pi-Apps Local Repository was being used, and a package seemed to not be available. Here's the Packages file:\e[39m"
cat /tmp/pi-apps-local-packages/Packages
fi
exit 1
fi
fi
rm -f ~/$package_name.deb
rm -rf ~/$package_name
#delete the local repository if it was used
if [ "$using_local_packages" == 1 ];then
repo_rm
fi
status_green "Package installation complete."
}
purge_packages() { #Allow dependencies of the $app app to be autoremoved.
#the $app variable must contain something
[ -z "$app" ] && error 'purge_packages function can only be used by apps to install packages. (the $app variable was not set)'
status "Allowing packages required by the $app app to be uninstalled"
#to avoid issues with symbols and spaces in app names, we shasum the app name for use in apt
local package_name="$(app_to_pkgname "$app")"
#if dummy deb found/installed
if package_installed "$package_name" ;then
echo "These packages were: $(package_dependencies "$package_name")"
status "Purging the $package_name package..."
apt_lock_wait
local output="$(sudo -E apt purge -y "$package_name" --autoremove 2>&1 | less_apt | tee /dev/stderr)"
status "Apt finished."
errors="$(echo "$output" | grep '^[(E)|(Err]:')"
if [ ! -z "$errors" ];then
echo -e "\e[91mFailed to uninstall the packages!\e[39m"
echo -e "APT reported these errors:\n\e[91m$errors\e[39m"
#run some apt error diagnosis
echo "$output"
exit 1
fi
elif [ -f "${DIRECTORY}/data/installed-packages/${app}" ];then
#legacy pkg-install implementation
warning "Using the old implementation - an installed-packages file instead of a dummy deb"
local packages="$(cat "${DIRECTORY}/data/installed-packages/${app}" | tr '\n' ' ' | sed 's/ / /g')"
#normal mode
local output="$(sudo -E apt purge -y $packages 2>&1)"
exitcode=$?
errors="$(echo "$output" | grep '^[(E)|(Err]:')"
if [ $exitcode != 0 ] || [ ! -z "$errors" ];then
echo -e "\e[91mFailed to uninstall the packages!\e[39m"
echo -e "APT reported these errors:\n\e[91m$errors\e[39m"
#run some apt error diagnosis
echo "$output"
exit 1
fi
else
status "The $package_name package is not installed so there's nothing to do."
fi
status_green "All packages have been purged successfully."
rm -f "${DIRECTORY}/data/installed-packages/${app}"
}
get_icon_from_package() { #given a package-name, find all png files that it installed and print the one with the largest file-size.
[ -z "$1" ] && error "get_icon_from_package(): requires an apt package name"
#Find dependencies of the listed packages and scan them too
local package=''
local extra_packages=''
for package in "$@" ;do
#for every package specified, look for dependencies to that package that begin with the same name as the original package
#Example: given the 'shotwell' package, this will find the 'shotwell-common' package, as well as others
extra_packages+=" $(package_dependencies "$package" | sed 's/, \||/\n/g' | awk '{print $1}' | grep "^$package" | sort | uniq | tr '\n' ' ')"
done
dpkg-query -L "$@" $extra_packages 2>/dev/null | grep '\.png$\|\.svg$' | grep '/icons/\|/pixmaps/' | xargs wc -c | grep -v ' total' | sort -nr | head -n1 | sed 's/ / /g' | sed 's/^ //g' | tr ' ' '\n' | tail -n +2
}
#end of apt functions
#flatpak functions
flatpak_install() { #install an app using flatpak
[ -z "$1" ] && error "flatpak_install(): This function is used to install a flatpak app, but nothing was specified."
#make sure flatpak is installed
if ! command -v flatpak >/dev/null ;then
error "flatpak_install(): Could not install $1 because flatpak is not installed!"
fi
status -n "Flatpak: Adding flathub remote... "
#Add the flathub remote, first as root, if that fails then try installing as user, while removing unwanted output
( sudo flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo || flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo || error "Flatpak failed to add flathub remote!" ) | grep --line-buffered -v "Note that the directories
'/var/lib/flatpak/exports/share'
'$HOME/.local/share/flatpak/exports/share'
are not in the search path set by the XDG_DATA_DIRS environment variable, so
applications installed by Flatpak may not appear on your desktop until the
session is restarted."
#exit 1 if above code failed
if [ ${PIPESTATUS[0]} != 0 ];then
exit 1
fi
status_green Done
status -n "Flatpak: installing $1... "
#Install the specified app, first as root, if that fails then try installing as user, while removing unwanted output
( sudo flatpak install flathub "$1" -y || flatpak install flathub "$1" -y || error "Flatpak failed to install $1!" ) | grep --line-buffered -v "Note that the directories
'/var/lib/flatpak/exports/share'
'$HOME/.local/share/flatpak/exports/share'
are not in the search path set by the XDG_DATA_DIRS environment variable, so
applications installed by Flatpak may not appear on your desktop until the
session is restarted."
#exit 1 if above code failed
if [ ${PIPESTATUS[0]} != 0 ];then
exit 1
fi
status_green Done
#Pi-Apps tries to avoid unnecessary reboots at all cost. Flatpak places desktop launchers in /var/lib/flatpak/exports/share/applications, which is not searched by default.
#This path is added to $XDG_DATA_DIRS on the next reboot, but we don't want to wait for that!
#If there are files in /var/lib/flatpak/exports/share/applications, and XDG_DATA_DIRS is missing flatpak paths, then bind-mount to /usr/share/applications
if [[ "$XDG_DATA_DIRS" != */var/lib/flatpak/exports/share* ]] && [ ! -z "$(ls /var/lib/flatpak/exports/share/applications)" ] && [ -z "$(ls /usr/share/applications/flatpak-temporary)" ];then
sudo mkdir -p /usr/share/applications/flatpak-temporary
sudo mount --bind /var/lib/flatpak/exports/share/applications /usr/share/applications/flatpak-temporary
elif [[ "$XDG_DATA_DIRS" != */var/lib/flatpak/exports/share* ]] ;then
sudo rm -rf /usr/share/applications/flatpak-temporary
fi
#Additionally, PiOS Buster had a bug where XDG_DATA_DIRS was missing flatpak's entries due to PiOS mods. Pi-Apps fixes this with a runonce.
true
}
flatpak_uninstall() { #uninstall an app using flatpak
[ -z "$1" ] && error "flatpak_uninstall(): This function is used to uninstall a flatpak app, but nothing was specified."
#if flatpak is not installed, then skip everything with code 0.
if ! command -v flatpak >/dev/null ;then
return 0
fi
#Only try to remove flatpak app if it's installed.
if flatpak list | grep -qF "$1" ;then
sudo flatpak uninstall "$1" -y || flatpak uninstall "$1" -y || error "Flatpak failed to uninstall $1!"
fi
}
#end of flatpak functions
#app functions
list_apps() { # $1 can be: installed, uninstalled, corrupted, cpu_installable, hidden, visible, online, online_only, local, local_only
if [ -z "$1" ] || [ "$1" == local ];then
#list all apps
ls "${DIRECTORY}/apps"
elif [ "$1" == all ];then
#combined list of apps, both online and local. Removes duplicate apps from the list.
echo -e "$(list_apps local)\n$(list_apps online)" | sort | uniq
elif [ "$1" == installed ];then
#list apps | only show ( list of installed apps | remove match string | basename )
list_apps local | list_intersect "$(grep -rx 'installed' "${DIRECTORY}/data/status" | awk -F: '{print $1}' | sed 's!.*/!!')"
elif [ "$1" == corrupted ];then
#list apps |only show ( list of corrupted apps | remove match string | basename )
list_apps local | list_intersect "$(grep -rx 'corrupted' "${DIRECTORY}/data/status" | awk -F: '{print $1}' | sed 's!.*/!!')"
elif [ "$1" == disabled ];then
#list apps | only show ( list of disabled apps | remove match string | basename )
list_apps local | list_intersect "$(grep -rx 'disabled' "${DIRECTORY}/data/status" | awk -F: '{print $1}' | sed 's!.*/!!')"
elif [ "$1" == uninstalled ];then
#list apps that have a status file matching "uninstalled"
list_apps local | list_intersect "$(grep -rx 'uninstalled' "${DIRECTORY}/data/status" | awk -F: '{print $1}' | sed 's!.*/!!')"
#also list apps that don't have a status file
list_apps local | list_subtract "$(ls "${DIRECTORY}/data/status")"
elif [ "$1" == have_status ];then
#list apps that have a status file
list_apps local | list_intersect "$(ls "${DIRECTORY}/data/status")"
elif [ "$1" == missing_status ];then
#list apps that don't have a status file
list_apps local | list_subtract "$(ls "${DIRECTORY}/data/status")"
elif [ "$1" == cpu_installable ];then
#list apps that can be installed on the device's OS architecture (32-bit or 64-bit)
#find all apps that have install-XX script, install script, or a packages file
find "${DIRECTORY}/apps" -type f \( -name "install-$arch" -o -name "install" -o -name "packages" \) | sed "s+${DIRECTORY}/apps/++g" | sed 's+/.*++g' | sort | uniq
elif [ "$1" == package ];then
#list apps that have a "packages" file
find "${DIRECTORY}/apps" -type f -name "packages" | sed "s+/packages++g" | sed "s+${DIRECTORY}/apps/++g" | sort | uniq
elif [ "$1" == standard ];then
#list apps that have scripts
find "${DIRECTORY}/apps" -type f \( -name "install-32" -o -name "install-64" -o -name "install" -o -name "uninstall" \) | sed "s+${DIRECTORY}/apps/++g" | sed 's+/.*++g' | sort | uniq
elif [ "$1" == hidden ];then
#list apps that are hidden
read_category_files | grep '|hidden' | awk -F'|' '{print $1}'
elif [ "$1" == visible ];then
#list apps that are in any other category but 'hidden', and aren't disabled
read_category_files | grep -v '|hidden' | awk -F'|' '{print $1}' # | list_subtract "$(list_apps disabled)"
elif [ "$1" == online ];then
#list apps that exist on the online git repo
if [ -d "${DIRECTORY}/update/pi-apps/apps" ];then
#if update folder exists, just use that
ls "${DIRECTORY}/update/pi-apps/apps" | grep .
else
#if update folder doesn't exist, then parse github HTML to get a list of online apps. Horrible idea, but it works!
wget -qO- "${repo_url}/tree/master/apps" | grep 'title=".*" data-pjax=' -o | sed 's/title="//g' | sed 's/" data-pjax=//g'
fi
elif [ "$1" == online_only ];then
#list apps that exist only on the git repo, and not locally
list_apps online | list_subtract "$(list_apps local)"
elif [ "$1" == local_only ];then
#list apps that exist only locally, and not on the git repo
list_apps local | list_subtract "$(list_apps online)"
else
error "list_apps(): unrecognized filter '$1'!"
fi
}
list_intersect() { #Outputs only the apps that appear in both stdin and in $1
# for example, the following two inputs will be a match
# Audacity
# Audacity
# while these two will NOT be a match
# Multimedia/Audacity
# .*/Audacity
comm -12 - <(echo "$1" | sort)
}
list_intersect_partial() { #Outputs only the apps that appear in both stdin and in $1 even with a partial match
# for example, the following two inputs will be a match
# Multimedia/Audacity
# .*/Audacity
# change \n to \| | remove last "\|"
grep -x "$(echo "$1" | sed -z 's/\n/\\|/g' | sed -z 's/\\|$/\n/g')"
}
list_subtract() { #Outputs a list of apps from stdin, minus the ones that appear in $1
# for example, the following two inputs will be a match
# Audacity
# Audacity
# while these two will NOT be a match
# Multimedia/Audacity
# .*/Audacity
comm -23 - <(echo "$1" | sort)
}
list_subtract_partial() { #Outputs a list of apps from stdin, minus the ones that appear in $1 even with a partial match
# for example, the following two inputs will be a match
# Multimedia/Audacity
# .*/Audacity
# change \n to \| | remove last "\|"
grep -vx "$(echo "$1" | sed -z 's/\n/\\|/g' | sed -z 's/\\|$/\n/g')"
}
read_category_files() { #Generates a combined categories-list from several sources: category-overrides, global categories file, and unlisted apps. Format: "app|category"
#remove app category if app folder not found
local IFS=$'\n'
local app
for app in $(cat "${DIRECTORY}/data/category-overrides" 2>/dev/null); do
if ! [ -d "${DIRECTORY}/apps/$(echo "$app" | sed 's/|.*//')" ] &>/dev/null; then
sed -i "/$app/d" "${DIRECTORY}/data/category-overrides"
fi
done
# get device specific categories overrides (if they exist)
# obtain model and jetson_model
get_model &>/dev/null
version_id=$(grep 'VERSION_ID=' /etc/os-release | tr -cd '0123456789.')
unset device_override
if [[ ! -z "$jetson_model" ]] && [[ "$version_id" == "18.04" ]]; then
device_override="${DIRECTORY}/etc/category-overrides-jetson-18.04"
fi
#list the user-overrides file and the device specific override and the global categories file |-----and all apps------------| filter out duplicates no '\n\n'
(cat "${DIRECTORY}/data/category-overrides" "$device_override" "${DIRECTORY}/etc/categories" 2>/dev/null ; echo ; list_apps local | sed 's/$/|/g') | awk -F'|' '!seen[$1]++' | grep .
}
app_prefix_category() { #lists all apps in a category with format "category/app", or if $1 is left blank, then list the full structure of all categories
#Subtract a type of app if enabled
local show_apps_setting="$(cat "${DIRECTORY}/data/settings/Show apps")"
local filter=()
if [ "$show_apps_setting" == 'standard' ];then
#if only showing standard apps, hide package apps
filter=(list_subtract_partial "$(list_apps package | sed 's+^+.*/+g')")
elif [ "$show_apps_setting" == 'packages' ];then
#if only showing package apps, hide standard apps
filter=(list_subtract_partial "$(list_apps standard | sed 's+^+.*/+g')")
else
#is the setting is "all" or missing, don't filter.
filter=(cat)
fi
#show special "Installed" category - don't filter it
if [ "$1" == "Installed" ]; then
list_apps installed | sed 's+^+Installed/+g'
#show special "Packages" category
elif [ "$1" == "Packages" ]; then
list_apps package | list_subtract "$(list_apps hidden)" | sed 's+^+Packages/+g'
#show special "All Apps" category
elif [ "$1" == "All Apps" ]; then
list_apps cpu_installable | list_subtract "$(list_apps hidden)" | sed 's+^+All Apps/+g' | "${filter[@]}"
# show all categories
elif [ -z "$1" ]; then
#show normal categories
read_category_files | grep . | awk -F'|' '{print $2"/"$1}' | sed 's+^/++g' | "${filter[@]}"
#show special "Installed" category - don't filter it
list_apps installed | sed 's+^+Installed/+g'
#show special "Packages" category
if [ "$show_apps_setting" != standard ];then
list_apps package | list_subtract "$(list_apps hidden)" | sed 's+^+Packages/+g'
fi
#show special "All Apps" category
list_apps cpu_installable | list_subtract "$(list_apps hidden)" | sed 's+^+All Apps/+g' | "${filter[@]}"
#show normal categories
else
read_category_files | grep . | awk -F'|' '{print $2"/"$1}' | grep "^$1/" | sed 's+^/++g' | "${filter[@]}"
fi
}
# bitly_link() { #Runs whenever an app is installed/uninstalled to tally the number of users for each app
# #This cannot possibly be used to identify you, or any information about you.
# #It simply "clicks" a bitly link - a shortened URL - so that the total number of clicks can be tallied to determine how popular a certain app is.
# app="$1"
# trigger="$2"
# [ -z "$app" ] && error "bitly_link(): requires an app argument"
# [ -z "$trigger" ] && error "bitly_link(): requires a trigger argument"
# #if the 'Enable Analytics' setting is enabled
# if [ "$(cat "${DIRECTORY}/data/settings/Enable analytics")" == 'Yes' ];then
# #determine the name of the link to "click"
# bitlylink="https://bit.ly/pi-apps-$trigger-$(echo "$app" | tr -d ' ' | sed 's/[^a-zA-Z0-9]//g')"
# #click it
# curl -L --user-agent "Pi-Apps Raspberry Pi app store" "$bitlylink" &>/dev/null &
# fi
# }
bitly_link() { #compatibility function pointing to shlink_link (incase old manage script is running with new api)
shlink_link "$@"
}
shlink_link() { #Runs whenever an app is installed/uninstalled to tally the number of users for each app
#This cannot possibly be used to identify you, or any information about you.
#It simply "clicks" a shlink link - a shortened URL - so that the total number of clicks can be tallied to determine how popular a certain app is.
app="$1"
trigger="$2"
[ -z "$app" ] && error "shlink_link(): requires an app argument"
[ -z "$trigger" ] && error "shlink_link(): requires a trigger argument"
#if the 'Enable Analytics' setting is enabled
if [ "$(cat "${DIRECTORY}/data/settings/Enable analytics")" == 'Yes' ];then
#determine the name of the link to "click"
shlinklink="https://pi-apps-analytics.linkpc.net/pi-apps-$trigger-$(echo "$app" | tr -d ' ' | sed 's/[^a-zA-Z0-9]//g')/track"
#click it
curl -s -X 'GET' "$shlinklink" -H 'accept: image/gif' -A "Pi-Apps Raspberry Pi app store" >/dev/null &
fi
}
usercount() { #Return number of users for specified app. $1 is app name. If empty, all are shown.
#If clicklist file missing or over a day old, download it.
if [ ! -f "${DIRECTORY}/data/clicklist" ] || [ ! -z "$(find "${DIRECTORY}/data/clicklist" -mtime +1 -print)" ]; then
wget 'https://raw.githubusercontent.com/Botspot/pi-apps-analytics/main/clicklist' -qO "${DIRECTORY}/data/clicklist" >/dev/null || return 1
fi
clicklist="$(cat "${DIRECTORY}/data/clicklist")"
[ -z "$clicklist" ] && error "usercount(): clicklist empty. Likely no internet connection"
if [ -z "$1" ];then
echo "$clicklist"
else
# $1 is app
echo "$clicklist" | grep "[0-9] $1"'$' | awk '{print $1}' | head -n1
fi
}
script_name() { #returns name of install script(s) for the $1 app. outputs: '', 'install-32', 'install-64', 'install', 'install-32 install-64'
[ -z "$1" ] && error 'script_name(): requires an argument'
#ensure $1 is valid app name
[ ! -d "${DIRECTORY}/apps/$1" ] && error "script_name: '$1' is an invalid app name.\n${DIRECTORY}/apps/$1 does not exist."
if [ -f "${DIRECTORY}/apps/$1/install-32" ] && [ ! -f "${DIRECTORY}/apps/$1/install-64" ];then
echo 'install-32'
elif [ -f "${DIRECTORY}/apps/$1/install-64" ] && [ ! -f "${DIRECTORY}/apps/$1/install-32" ];then
echo 'install-64'
elif [ -f "${DIRECTORY}/apps/$1/install-64" ] && [ -f "${DIRECTORY}/apps/$1/install-32" ];then
echo 'install-32 install-64'
elif [ -f "${DIRECTORY}/apps/$1/install" ];then
echo 'install'
else
true
#error "No install script found for the $app app! Please report this to Botspot."
fi
}
script_name_cpu() { #get script name to run based on detected CPU arch
[ -z "$1" ] && error 'script_name_cpu(): requires an argument.'
#ensure $1 is valid app name
if ! list_apps all | grep -q "$1" ;then
error "script_name_cpu: '$1' is an invalid app name."
fi
#this is used by the updater so we need to check the update folder too
if [ -f "${DIRECTORY}/apps/$1/install-32" ] && [ $arch == 32 ];then
echo 'install-32'
elif [ -f "${DIRECTORY}/apps/$1/install-64" ] && [ $arch == 64 ];then
echo 'install-64'
elif [ -f "${DIRECTORY}/apps/$1/install" ];then
echo 'install'
elif [ -f "${DIRECTORY}/update/pi-apps/apps/$1/install-32" ] && [ $arch == 32 ];then
echo 'install-32'
elif [ -f "${DIRECTORY}/update/pi-apps/apps/$1/install-64" ] && [ $arch == 64 ];then
echo 'install-64'
elif [ -f "${DIRECTORY}/update/pi-apps/apps/$1/install" ];then
echo 'install'
else
true #app not compatible with current arch
fi
}
app_status() { #Gets the $1 app's current status. installed, uninstalled, corrupted, disabled
[ -z "$1" ] && error 'app_status(): requires an argument.'
#don't check if app exists, it may be a new app in an update
if [ -f "${DIRECTORY}/data/status/${1}" ];then
cat "${DIRECTORY}/data/status/${1}"
else
echo 'uninstalled' #if app status file doesn't exist, assume uninstalled
fi
}
app_type() { #there are 'standard' apps, and there are 'package' apps - an alias to install an apt package from the existing repositories.
#$1 is input app-name
local app="$1"
[ -z "$app" ] && error "app_type: no app specified!"
if [ -f "${DIRECTORY}/apps/${app}/packages" ];then
echo package
elif [ -f "${DIRECTORY}/apps/${app}/uninstall" ] || [ -f "${DIRECTORY}/apps/${app}/install" ] || [ -f "${DIRECTORY}/apps/${app}/install-32" ] || [ -f "${DIRECTORY}/apps/${app}/install-64" ];then
echo standard
else