215 lines
5.4 KiB
Bash
Executable File
215 lines
5.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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## ## ## ## ## ## ## ## ## ## ## ## ## ##
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## ##
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## ci.sh ##
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## ##
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## A poor man's continuous ##
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## integration system ##
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## ##
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## ## ## ## ## ## ## ## ## ## ## ## ## ##
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##
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## Information
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## (don't touch unless you are me)
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##
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NAME="ci.sh"
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DESCRIPTION="A poor man's continuous integration system"
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VERSION="0.1.1"
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AUTHOR="david@socialnerds.org"
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LICENSE="MIT"
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WEBSITE="https://git.socialnerds.org/david/scripts"
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CHANGELOG=("[2023-12-21][v0.1.1] More error handling"
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"[2023-12-20][v0.1.0] Initial version")
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##
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## Configuration
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##
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EXECUTABLE="$(basename $0)"
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LIBRARIES="lib.sh"
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DEPENDENCIES="whoami tr head basename dirname readlink curl git cut nohup ps cat getent"
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REQUIRE_ROOT=0
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[[ ! $HOME ]] && HOME=$(getent passwd "$USER" | cut -d: -f6)
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SCRIPTS_DIR="$HOME/ci-scripts"
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TEMP_DIR="/tmp/ci-repos"
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##
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## Functions
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##
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# Print help information
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function print_help() {
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local i=20
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printf "%s\n\n%s\n%b\n\n%s\n" \
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"$DESCRIPTION" "Usage:" "$LIB_BOLD$EXECUTABLE <options> <git-repo>$LIB_CLEAR" "Options:"
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printf " %-${i}s %b\n" \
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"-s, --scripts <DIR>" "Specify the scripts directory (default: $SCRIPTS_DIR)" \
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"-c, --checks <URL>" "Enable ${LIB_UNDERLINE}healthchecks.io${LIB_CLEAR} integration" \
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"-n, --ntfy <URL>" "Enable ${LIB_UNDERLINE}ntfy.sh${LIB_CLEAR} integration" \
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"-h, --help" "Print help screen and exit" \
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"-i, --info" "Print script information and exit" \
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"-v, --verbose" "More verbose output" \
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"-q, --quiet" "No output except errors (overrides -v)"
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}
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##
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## Preflight
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##
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# Load BASH libraries
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SCRIPT_PATH=$(readlink -f "$0")
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SCRIPT_DIR=$(dirname "$SCRIPT_PATH")
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for LIBRARY in $LIBRARIES; do
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if [[ -r "$SCRIPT_DIR/$LIBRARY" ]]; then
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#echo "Loading library file [$SCRIPT_DIR/$LIBRARY]"
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source "$SCRIPT_DIR/$LIBRARY"
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else
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echo "Error: Cannot load library file [$SCRIPT_DIR/$LIBRARY]"
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exit 1
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fi
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done
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# Check for root privileges
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if ! lib_amiroot && [[ $REQUIRE_ROOT -eq 1 ]]; then
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lib_print "!You need to have root privileges"
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exit 1
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fi
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# Check for dependencies
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MISSING_COMMANDS=$(lib_missing_commands $DEPENDENCIES)
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if [[ -n "$MISSING_COMMANDS" ]]; then
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lib_print "!One or more commands missing [$MISSING_COMMANDS]"
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lib_print "Try installing them with your package manager"
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exit 1
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fi
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##
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## Liftoff
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##
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while [[ "$1" =~ ^- && ! "$1" == "--" ]]; do
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case "$1" in
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-n|--ntfy)
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CURRENT_OPTION="$1"
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shift
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if lib_is_url "$1"; then
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NTFY_URL="$1"
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else
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lib_print "!$CURRENT_OPTION expects a valid ntfy.sh URL [$1]"
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exit 1
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fi
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;;
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-c|--checks)
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CURRENT_OPTION="$1"
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shift
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if lib_is_url "$1"; then
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CHECKS_URL="$1"
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else
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lib_print "!$CURRENT_OPTION expects a valid healthchecks.io URL [$1]"
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exit 1
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fi
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;;
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-s|--scripts)
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shift
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if lib_is_absolute "$1"; then
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SCRIPTS_DIR="$1"
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else
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SCRIPTS_DIR="$(PWD)/$1"
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fi
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;;
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-h|--help)
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H=1
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;;
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-i|--info)
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I=1
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;;
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-v|--verbose)
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V=1
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;;
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-q|--quiet)
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Q=1
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;;
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*)
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lib_print "!Unknown option [$1]"
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lib_print "Try --help or -h for available options"
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exit 1
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;;
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esac
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shift
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done
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if [[ "$1" == '--' ]]; then
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shift
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fi
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if [[ $I -eq 1 ]]; then
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lib_print_info
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exit 0
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elif [[ $H -eq 1 ]]; then
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print_help
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exit 0
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fi
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if [[ -z "$1" ]]; then
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print_help
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exit 0
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else
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# Check if a valid Git URL is provided and extract parts
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if [[ "$1" =~ ^(git@|https:\/\/)([^\/:]+)[:\/]([^\/]+)\/([^\/]+)(\.git)$ ]]; then
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GIT_URL="$1"
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GIT_HOST="${BASH_REMATCH[2]}"
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GIT_USER="${BASH_REMATCH[3]}"
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GIT_REPO="${BASH_REMATCH[4]}"
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shift
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else
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lib_print "!Input does not seem to be a valid Git URL [$1]"
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exit 1
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fi
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# Chech if the script file exists and is executable
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if [[ ! -x "$SCRIPTS_DIR/$GIT_HOST/$GIT_USER/$GIT_REPO.sh" ]]; then
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lib_print "!No CI script for this repository found [$GIT_HOST/$GIT_USER/$GIT_REPO]"
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exit 1
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fi
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# Create parent directories if missing
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if [[ ! -d "$TEMP_DIR/$GIT_HOST/$GIT_USER" ]]; then
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mkdir -p "$TEMP_DIR/$GIT_HOST/$GIT_USER"
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fi
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# Check if repo already exists and if the previous job is still running
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if [[ -d "$TEMP_DIR/$GIT_HOST/$GIT_USER/$GIT_REPO" ]]; then
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if lib_is_running $(cat "$TEMP_DIR/$GIT_HOST/$GIT_USER/$GIT_REPO.pid" 2> /dev/null); then
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lib_print "!CI job is still running [$GIT_HOST/$GIT_USER/$GIT_REPO]"
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exit 1
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else
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rm -rf "$TEMP_DIR/$GIT_HOST/$GIT_USER/$GIT_REPO"
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fi
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fi
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# Clone the repo and execute the CI script
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git clone --quiet "$GIT_URL" "$TEMP_DIR/$GIT_HOST/$GIT_USER/$GIT_REPO"
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cd "$TEMP_DIR/$GIT_HOST/$GIT_USER/$GIT_REPO"
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nohup "$SCRIPTS_DIR/$GIT_HOST/$GIT_USER/$GIT_REPO.sh" "$@" > "$TEMP_DIR/$GIT_HOST/$GIT_USER/$GIT_REPO.log" 2>&1 &
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echo $! > "$TEMP_DIR/$GIT_HOST/$GIT_USER/$GIT_REPO.pid"
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# Inform user of a successful job execution
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lib_print "CI job has been triggered [$GIT_HOST/$GIT_USER/$GIT_REPO]"
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lib_ntfy "$NTFY_URL" "CI job has been triggered [$GIT_HOST/$GIT_USER/$GIT_REPO]"
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lib_checks "$CHECKS_URL" "CI job has been triggered [$GIT_HOST/$GIT_USER/$GIT_REPO]"
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fi
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##
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## Here be dragons
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##
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exit 0
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