#!/bin/sh # COLORS RED='\033[31m' GREEN='\033[32m' DEFAULT='\033[0m' # GLOBALS GREP_SEMVER_REGEXP='v\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)$' # i.e. v[number].[number].[number] # FUNCTIONS # semverParseInto and semverLT from https://github.com/cloudflare/semver_bash/blob/master/semver.sh # usage: semverParseInto version major minor patch special # version: the string version # major, minor, patch, special: will be assigned by the function semverParseInto() { local RE='[^0-9]*\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)\([0-9A-Za-z-]*\)' #MAJOR eval $2=`echo $1 | sed -e "s#$RE#\1#"` #MINOR eval $3=`echo $1 | sed -e "s#$RE#\2#"` #PATCH eval $4=`echo $1 | sed -e "s#$RE#\3#"` #SPECIAL eval $5=`echo $1 | sed -e "s#$RE#\4#"` } # usage: semverLT version1 version2 semverLT() { local MAJOR_A=0 local MINOR_A=0 local PATCH_A=0 local SPECIAL_A=0 local MAJOR_B=0 local MINOR_B=0 local PATCH_B=0 local SPECIAL_B=0 semverParseInto $1 MAJOR_A MINOR_A PATCH_A SPECIAL_A semverParseInto $2 MAJOR_B MINOR_B PATCH_B SPECIAL_B if [ $MAJOR_A -lt $MAJOR_B ]; then return 0 fi if [ $MAJOR_A -le $MAJOR_B ] && [ $MINOR_A -lt $MINOR_B ]; then return 0 fi if [ $MAJOR_A -le $MAJOR_B ] && [ $MINOR_A -le $MINOR_B ] && [ $PATCH_A -lt $PATCH_B ]; then return 0 fi if [ "_$SPECIAL_A" == "_" ] && [ "_$SPECIAL_B" == "_" ] ; then return 1 fi if [ "_$SPECIAL_A" == "_" ] && [ "_$SPECIAL_B" != "_" ] ; then return 1 fi if [ "_$SPECIAL_A" != "_" ] && [ "_$SPECIAL_B" == "_" ] ; then return 0 fi if [ "_$SPECIAL_A" < "_$SPECIAL_B" ]; then return 0 fi return 1 } # Get a token from https://github.com/settings/tokens to increasae rate limit (from 60 to 5000), make sure the token scope is set to 'public_repo' # Create GITHUB_PAT enviroment variable once you aquired the token to start using it # Returns the tag of the latest stable release (in terms of semver and not of release date) get_latest() { temp_file='temp_file' # temp_file needed because the grep would start before the download is over if [ -z "$GITHUB_PAT" ]; then curl -s 'https://api.github.com/repos/meilisearch/MeiliSearch/releases' > "$temp_file" || return 1 else curl -H "Authorization: token $GITHUB_PAT" -s 'https://api.github.com/repos/meilisearch/MeiliSearch/releases' > "$temp_file" || return 1 fi releases=$(cat "$temp_file" | \ grep -E "tag_name|draft|prerelease" \ | tr -d ',"' | cut -d ':' -f2 | tr -d ' ') # Returns a list of [tag_name draft_boolean prerelease_boolean ...] # Ex: v0.10.1 false false v0.9.1-rc.1 false true v0.9.0 false false... i=0 latest="" current_tag="" for release_info in $releases; do if [ $i -eq 0 ]; then # Cheking tag_name if echo "$release_info" | grep -q "$GREP_SEMVER_REGEXP"; then # If it's not an alpha or beta release current_tag=$release_info else current_tag="" fi i=1 elif [ $i -eq 1 ]; then # Checking draft boolean if [ "$release_info" = "true" ]; then current_tag="" fi i=2 elif [ $i -eq 2 ]; then # Checking prerelease boolean if [ "$release_info" = "true" ]; then current_tag="" fi i=0 if [ "$current_tag" != "" ]; then # If the current_tag is valid if [ "$latest" = "" ]; then # If there is no latest yet latest="$current_tag" else semverLT $current_tag $latest # Comparing latest and the current tag if [ $? -eq 1 ]; then latest="$current_tag" fi fi fi fi done rm -f "$temp_file" echo $latest } # Gets the OS by setting the $os variable # Returns 0 in case of success, 1 otherwise. get_os() { os_name=$(uname -s) case "$os_name" in 'Darwin') os='macos' ;; 'Linux') os='linux' ;; 'MINGW'*) os='windows' ;; *) return 1 esac return 0 } # Gets the architecture by setting the $archi variable # Returns 0 in case of success, 1 otherwise. get_archi() { architecture=$(uname -m) case "$architecture" in 'x86_64' | 'amd64' | 'arm64') archi='amd64' ;; 'aarch64') archi='armv8' ;; *) return 1 esac return 0 } success_usage() { printf "$GREEN%s\n$DEFAULT" "MeiliSearch binary successfully downloaded as '$BINARY_NAME' file." echo '' echo 'Run it:' echo ' $ ./meilisearch' echo 'Usage:' echo ' $ ./meilisearch --help' } failure_usage() { printf "$RED%s\n$DEFAULT" 'ERROR: MeiliSearch binary is not available for your OS distribution or your architecture yet.' echo '' echo 'However, you can easily compile the binary from the source files.' echo 'Follow the steps at the page ("Source" tab): https://docs.meilisearch.com/learn/getting_started/installation.html' } # MAIN latest="$(get_latest)" if ! get_os; then failure_usage exit 1 fi if ! get_archi; then failure_usage exit 1 fi echo "Downloading MeiliSearch binary $latest for $os, architecture $archi..." case "$os" in 'windows') release_file="meilisearch-$os-$archi.exe" BINARY_NAME='meilisearch.exe' ;; *) release_file="meilisearch-$os-$archi" BINARY_NAME='meilisearch' esac link="https://github.com/meilisearch/MeiliSearch/releases/download/$latest/$release_file" curl -OL "$link" mv "$release_file" "$BINARY_NAME" chmod 744 "$BINARY_NAME" success_usage