kopia lustrzana https://github.com/jprochazka/adsb-receiver
84 wiersze
4.4 KiB
Bash
Executable File
84 wiersze
4.4 KiB
Bash
Executable File
#!/bin/bash
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#####################################################################################
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# ADS-B FEEDER #
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#####################################################################################
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# #
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# This script is not meant to be executed directly. #
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# Instead execute install.sh to begin the installation process. #
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# #
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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# #
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# Copyright (c) 2015 Joseph A. Prochazka #
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# #
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# Permission is hereby granted, free of charge, to any person obtaining a copy #
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# of this software and associated documentation files (the "Software"), to deal #
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# in the Software without restriction, including without limitation the rights #
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell #
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# copies of the Software, and to permit persons to whom the Software is #
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# furnished to do so, subject to the following conditions: #
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# #
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# The above copyright notice and this permission notice shall be included in all #
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# copies or substantial portions of the Software. #
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# #
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, #
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE #
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER #
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, #
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE #
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# SOFTWARE. #
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# #
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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#######################################################################
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# Detect if a package is installed and if not attempt to install it.
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function CheckPackage {
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ATTEMPT=1
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MAXATTEMPTS=5
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WAITTIME=5
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while (( $ATTEMPT -le `(($MAXATTEMPTS + 1))` )); do
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# If the maximum attempts has been reached...
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if [ $ATTEMPT -gt $MAXATTEMPTS ]; then
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echo -e "\033[31m"
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echo "#########################################"
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echo "# INSTALLATION HALTED! #"
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echo "# UNABLE TO INSTALL A REQUIRED PACKAGE. #"
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echo "#########################################"
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echo -e "\033[33m"
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echo "The package \"$1\" could not be installed in $MAXATTEMPTS attempts."
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echo -e "\033[37m"
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exit 1
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fi
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# Check if the package is already installed.
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printf "\033[33mChecking if the package $1 is installed..."
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if [ $(dpkg-query -W -f='${STATUS}' $1 2>/dev/null | grep -c "ok installed") -eq 0 ]; then
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# If this is not the first attempt at installing this package...
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if [ $ATTEMPT -gt 1 ]; then
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echo -e "\033[31m [PREVIOUS INSTALLATION FAILED]"
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echo -e "\033[33mAttempting to Install the package $1 again in $WAITTIME seconds (ATTEMPT $ATTEMPT OF $MAXATTEMPTS)..."
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sleep $WAITTIME
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else
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echo -e "\033[31m [NOT INSTALLED]"
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echo -e "\033[33mInstalling the package $1..."
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fi
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# Attempt to install the required package.
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echo ""
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ATTEMPT=$((ATTEMPT+1))
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sudo apt-get install -y $1
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echo ""
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else
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# The package appears to be installed.
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echo -e "\033[32m [OK]\033[37m"
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break
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fi
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done
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}
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