141 lines
2.7 KiB
Bash
Executable File
141 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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BLUE='\033[0;34m'
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NC='\033[0m'
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declare -A tools=()
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declare -A desired=()
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for arg in "$@"; do
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case ${arg%%=*} in
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"--with-go")
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desired[go]="${arg##*=}"
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;;
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"--with-dep")
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desired[dep]="${arg##*=}"
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;;
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"--help")
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printf "${GREEN}$0${NC}\n"
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printf " available options:\n"
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printf " --with-dep=${BLUE}<path_to_dep_binary>${NC}\n"
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printf " --with-go=${BLUE}<path_to_go_binary>${NC}\n"
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exit 0
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;;
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*)
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echo "Unknown option: $arg"
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exit 2
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;;
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esac
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done
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vercomp () {
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if [[ $1 == $2 ]]
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then
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return 0
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fi
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local IFS=.
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local i ver1=($1) ver2=($2)
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# fill empty fields in ver1 with zeros
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for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
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do
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ver1[i]=0
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done
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for ((i=0; i<${#ver1[@]}; i++))
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do
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if [[ -z ${ver2[i]} ]]
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then
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# fill empty fields in ver2 with zeros
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ver2[i]=0
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fi
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if ((10#${ver1[i]} > 10#${ver2[i]}))
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then
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return 1
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fi
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if ((10#${ver1[i]} < 10#${ver2[i]}))
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then
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return 2
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fi
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done
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return 0
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}
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check_for() {
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echo -n "Checking for $1... "
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if ! [ -z "${desired[$1]}" ]; then
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TOOL_PATH="${desired[$1]}"
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else
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TOOL_PATH=$(command -v $1)
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fi
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if ! [ -x "$TOOL_PATH" -a -f "$TOOL_PATH" ]; then
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printf "${RED}not found${NC}\n"
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cd -
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exit 1
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else
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printf "${GREEN}found${NC}\n"
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tools[$1]=$TOOL_PATH
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fi
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}
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check_go_version() {
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echo -n "Checking go version... "
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GO_VERSION=$(${tools[go]} version | ${tools[awk]} '{where = match($0, /[0-9]\.[0-9]+\.[0-9]*/); if (where != 0) print substr($0, RSTART, RLENGTH)}')
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vercomp $GO_VERSION 1.10
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case $? in
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0) ;&
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1)
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printf "${GREEN}"
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echo $GO_VERSION
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printf "${NC}"
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;;
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2)
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printf "${RED}"
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echo "$GO_VERSION < 1.10"
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exit 1
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;;
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esac
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VERSION=$(${tools[go]} version | ${tools[awk]} '{print $3}')
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tools["go_version"]="${VERSION}"
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}
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check_docker_version() {
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echo -n "Checking docker version... "
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DOCKER_VERSION=$(${tools[docker]} version | ${tools[awk]})
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}
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check_go_env() {
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echo -n "Checking \$GOPATH... "
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if [ -z "$GOPATH" ]; then
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printf "${RED}invalid${NC} - GOPATH not set\n"
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exit 1
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fi
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printf "${GREEN}valid${NC} - $GOPATH\n"
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}
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cd ${0%/*}
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if [ ! -f .env ]; then
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rm .env
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fi
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check_for make
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check_for awk
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check_for go
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check_go_version
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check_go_env
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check_for dep
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echo
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cat <<- EOF > .env
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MAKE := "${tools[make]}"
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GO := "${tools[go]}"
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GO_VERSION := ${tools[go_version]}
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DEP := "${tools[dep]}"
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EOF
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echo "Environment configuration written to .env"
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cd - > /dev/null
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