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77 lines
2.5 KiB
Bash
77 lines
2.5 KiB
Bash
#!/bin/bash
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#$1 is the path to the program folder being installed. For example, ~/pi-apps/apps/Arduino
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#Example usage: ~/pi-apps/uninstall-installed ~/pi-apps/apps/Arduino
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#app name
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app="$(basename "$1")"
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function error {
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echo -e "\e[91m$1\e[39m"
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exit 1
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}
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DIRECTORY="$(readlink -f "$(dirname "$0")")"
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echo -e "\e[97m\nRunning purge-installed...\e[39m"
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if [ -z "$app" ];then
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error "No app name specified to purge-installed!"
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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 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 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 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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#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 $1}')"
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#if dummy deb found/installed
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if dpkg -l pi-apps-$appnamehash &>/dev/null ;then
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#new pkg-install implementation - using dummy debs
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echo -e "\e[97m\nRemoving dummy deb for $app...\e[39m"
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sudo apt purge -y pi-apps-$appnamehash || error "apt failed to purge dummy deb (pi-apps-$appnamehash)!"
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echo -e "\e[97m\nAutoremoving packages...\e[39m"
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sudo apt autoremove -y || error "apt failed to autoremove!"
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elif [ -f "${DIRECTORY}/data/installed-packages/${app}" ];then
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#old pkg-install implementation
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echo -e "\e[93m\nWARNING! pkg-install is using the legacy implementation - an installed-packages file instead of a dummy deb\e[39m"
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PKG_LIST="$(cat "${DIRECTORY}/data/installed-packages/${app}" | tr '\n' ' ' | sed 's/ / /g')"
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PURGE_LIST="$(sudo LANG=C LC_ALL=C apt-get purge --dry-run $PKG_LIST | sed -n '/The following packages will be REMOVED/,/to remove and/p' | sed -e '2,$!d' -e '$d' | tr -d '*' | tr '\n' ' ' | sed 's/The following.*//')"
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echo "These packages will be purged: $PURGE_LIST"
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#normal mode
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output="$(sudo LANG=C LC_ALL=C apt purge -y $PKG_LIST 2>&1)"
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exitcode=$?
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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 uninstall the packages!\e[39m"
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echo -e "APT reported these errors:\n\e[91m$errors\e[39m"
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exit 1
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fi
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else
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echo "purge-installed: Neither dummy deb nor installed-packages file detected. Nothing to do!"
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fi
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echo -e "\e[32mAll packages have been purged succesfully.\e[39m"
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rm -f "${DIRECTORY}/data/installed-packages/${app}"
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