149 lines
3.7 KiB
Bash
Executable File
149 lines
3.7 KiB
Bash
Executable File
#!/bin/bash
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#
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# Entrypoint script should be pure bash.
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#
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# Debugging helpers:
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#PS4=':${LINENO}+' # Show line numbers
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#set -x # Trace commands
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#
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# Support arguments (this recommend but not required):
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# -f <file> Execute file on host, print the result and exit
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# -c <command> [Not recommended to use] Execute command on host, print the result and exit
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# -C <command in base64> Execute command on host, print the result and exit
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# -v <level> Verbose mode: 1 - verbose, 2 - super verbose
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# -e <NAME=B64> -e ... Environement variables (B64 is base64 encoded string)
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# -b <BASE64> -b ... Base64 encoded bash command
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# -H <HOME path> HOME path. Will be $HOME on the host.
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# -X <XDG path> XDG_* path (https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html)
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#
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while getopts f:c:C:v:e:b:H:X: option
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do
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case "${option}"
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in
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f) EXECUTE_FILE=${OPTARG};;
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c) EXECUTE_COMMAND=${OPTARG};;
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C) EXECUTE_COMMAND_B64=${OPTARG};;
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v) VERBOSE=${OPTARG};;
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e) ENV+=("$OPTARG");;
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b) EBASH+=("$OPTARG");;
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H) HOMEPATH=${OPTARG};;
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X) XDGPATH=${OPTARG};;
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esac
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done
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if [[ $VERBOSE != '' ]]; then
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export XXH_VERBOSE=$VERBOSE
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fi
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for env in "${ENV[@]}"; do
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name="$( cut -d '=' -f 1 <<< "$env" )";
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val="$( cut -d '=' -f 2- <<< "$env" )";
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val=`echo $val | base64 -d`
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if [[ $XXH_VERBOSE == '1' || $XXH_VERBOSE == '2' ]]; then
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echo Environment variable "$env": name=$name, value=$val
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fi
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export $name="$val"
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done
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for eb in "${EBASH[@]}"; do
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bash_command=`echo $eb | base64 -d`
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if [[ $XXH_VERBOSE == '1' || $XXH_VERBOSE == '2' ]]; then
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echo Entrypoint bash execute: $bash_command
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fi
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eval $bash_command
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done
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## Example disabling option:
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#if [[ $EXECUTE_COMMAND ]]; then
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# echo '<THIS> entrypoint is not support command execution.'
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# exit 1
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#fi
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## Example command:
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if [[ $EXECUTE_COMMAND ]]; then
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EXECUTE_COMMAND=(-c "${EXECUTE_COMMAND}")
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fi
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if [[ $EXECUTE_COMMAND_B64 ]]; then
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EXECUTE_COMMAND=`echo $EXECUTE_COMMAND_B64 | base64 -d`
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if [[ $XXH_VERBOSE == '1' || $XXH_VERBOSE == '2' ]]; then
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echo Execute command base64: $EXECUTE_COMMAND_B64
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echo Execute command: $EXECUTE_COMMAND
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fi
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EXECUTE_COMMAND=(-c "${EXECUTE_COMMAND}")
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fi
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if [[ $EXECUTE_FILE ]]; then
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EXECUTE_COMMAND=""
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fi
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# Example of adding argument `-f` before
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EXECUTE_FILE=`[ $EXECUTE_FILE ] && echo -n "-f $EXECUTE_FILE" || echo -n ""`
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#
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# Move to current directory
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#
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CURRENT_DIR="$(cd "$(dirname "$0")" && pwd)"
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cd $CURRENT_DIR
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export XXH_HOME=`readlink -f $CURRENT_DIR/../../../..`
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#if [[ ! -d $XXH_HOME/.local/share/<yourshell> ]]; then
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# mkdir -p $XXH_HOME/.local/share/<yourshell>
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#fi
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if [[ $HOMEPATH != '' ]]; then
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homerealpath=`readlink -f $HOMEPATH`
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if [[ -d $homerealpath ]]; then
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export HOME=$homerealpath
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else
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echo "Home path not found: $homerealpath"
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echo "Set HOME to $XXH_HOME"
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export HOME=$XXH_HOME
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fi
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else
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export HOME=$XXH_HOME
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fi
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if [[ $XDGPATH != '' ]]; then
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xdgrealpath=`readlink -f $XDGPATH`
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if [[ ! -d $xdgrealpath ]]; then
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echo "XDG path not found: $xdgrealpath"
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echo "Set XDG path to $XXH_HOME"
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export XDGPATH=$XXH_HOME
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fi
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else
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export XDGPATH=$XXH_HOME
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fi
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export XDG_CONFIG_HOME=$XDGPATH/.config
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export XDG_DATA_HOME=$XDGPATH/.local/share
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export XDG_CACHE_HOME=$XDGPATH/.cache
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#
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# Init prerun plugins
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#
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for pluginrc_file in $(find $CURRENT_DIR/../../../plugins/xxh-plugin-*/build -type f -name '*pluginrc_prerun.sh' -printf '%f\t%p\n' 2>/dev/null | sort -k1 | cut -f2); do
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if [[ -f $pluginrc_file ]]; then
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if [[ $XXH_VERBOSE == '1' ]]; then
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echo Load plugin $pluginrc_file
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fi
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#cd $(dirname $pluginrc_file)
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source $pluginrc_file
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fi
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done
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#
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# Run the portable shell
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#
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./your_portable_shell # $EXECUTE_FILE "${EXECUTE_COMMAND[@]}"
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