From 136a87f7bbe29578ef99ad51f4cb23bbde91eef7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Patryk=20Krawaczy=C5=84ski?= Date: Fri, 14 Oct 2022 15:32:59 +0200 Subject: [PATCH] Little code refactor Usually the elevation of variables. --- download-latest.sh | 176 ++++++++++++++++++++++++++------------------- 1 file changed, 101 insertions(+), 75 deletions(-) diff --git a/download-latest.sh b/download-latest.sh index d1cfdd127..ec573180c 100644 --- a/download-latest.sh +++ b/download-latest.sh @@ -1,29 +1,38 @@ #!/bin/sh -# COLORS +# GLOBALS + +# 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] +# Project name +PNAME='meilisearch' + +# Version regexp i.e. v[number].[number].[number] +GREP_SEMVER_REGEXP='v\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)$' + +# Github API address +GITHUB_API='https://api.github.com/repos/meilisearch/meilisearch/releases' +# Github Release address +GITHUB_REL='https://github.com/meilisearch/meilisearch/releases/download/' # FUNCTIONS -# semverParseInto and semverLT from https://github.com/cloudflare/semver_bash/blob/master/semver.sh - +# 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 + # MAJOR eval $2=`echo $1 | sed -e "s#$RE#\1#"` - #MINOR + # MINOR eval $3=`echo $1 | sed -e "s#$RE#\2#"` - #PATCH + # PATCH eval $4=`echo $1 | sed -e "s#$RE#\3#"` - #SPECIAL + # SPECIAL eval $5=`echo $1 | sed -e "s#$RE#\4#"` } @@ -67,16 +76,22 @@ semverLT() { return 1 } -# Get a token from https://github.com/settings/tokens to increase rate limit (from 60 to 5000), make sure the token scope is set to 'public_repo' -# Create GITHUB_PAT environment variable once you acquired the token to start using it -# Returns the tag of the latest stable release (in terms of semver and not of release date) +# Get a token from: https://github.com/settings/tokens to increase rate limit (from 60 to 5000), +# make sure the token scope is set to 'public_repo'. +# Create GITHUB_PAT environment variable once you acquired 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 + # temp_file is needed because the grep would start before the download is over + temp_file=$(mktemp -q /tmp/$PNAME.XXXXXXXXX) + if [ $? -ne 0 ]; then + echo "$0: Can't create temp file, bye bye.." + exit 1 + fi if [ -z "$GITHUB_PAT" ]; then - curl -s 'https://api.github.com/repos/meilisearch/meilisearch/releases' > "$temp_file" || return 1 + curl -s $GITHUB_API > "$temp_file" || return 1 else - curl -H "Authorization: token $GITHUB_PAT" -s 'https://api.github.com/repos/meilisearch/meilisearch/releases' > "$temp_file" || return 1 + curl -H "Authorization: token $GITHUB_PAT" -s $GITHUB_API > "$temp_file" || return 1 fi releases=$(cat "$temp_file" | \ @@ -89,28 +104,35 @@ get_latest() { latest='' current_tag='' for release_info in $releases; do - if [ $i -eq 0 ]; then # Checking tag_name - if echo "$release_info" | grep -q "$GREP_SEMVER_REGEXP"; then # If it's not an alpha or beta release + # Checking tag_name + if [ $i -eq 0 ]; then + # If it's not an alpha or beta release + if echo "$release_info" | grep -q "$GREP_SEMVER_REGEXP"; then current_tag=$release_info else current_tag='' fi i=1 - elif [ $i -eq 1 ]; then # Checking draft boolean + # Checking draft boolean + elif [ $i -eq 1 ]; then if [ "$release_info" = 'true' ]; then current_tag='' fi i=2 - elif [ $i -eq 2 ]; then # Checking prerelease boolean + # Checking prerelease boolean + elif [ $i -eq 2 ]; then if [ "$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 + # If the current_tag is valid + if [ "$current_tag" != '' ]; then + # If there is no latest yes + if [ "$latest" = '' ]; then latest="$current_tag" else - semverLT $current_tag $latest # Comparing latest and the current tag + # Comparing latest and the current tag + semverLT $current_tag $latest if [ $? -eq 1 ]; then latest="$current_tag" fi @@ -123,7 +145,7 @@ get_latest() { return 0 } -# Gets the OS by setting the $os variable +# Gets the OS by setting the $os variable. # Returns 0 in case of success, 1 otherwise. get_os() { os_name=$(uname -s) @@ -134,7 +156,7 @@ get_os() { 'Linux') os='linux' ;; - 'MINGW'*) + 'MINGW'*) os='windows' ;; *) @@ -143,7 +165,7 @@ get_os() { return 0 } -# Gets the architecture by setting the $archi variable +# Gets the architecture by setting the $archi variable. # Returns 0 in case of success, 1 otherwise. get_archi() { architecture=$(uname -m) @@ -152,7 +174,8 @@ get_archi() { archi='amd64' ;; 'arm64') - if [ $os = 'macos' ]; then # MacOS M1 + # MacOS M1 + if [ $os = 'macos' ]; then archi='amd64' else archi='aarch64' @@ -171,9 +194,9 @@ success_usage() { printf "$GREEN%s\n$DEFAULT" "Meilisearch $latest binary successfully downloaded as '$binary_name' file." echo '' echo 'Run it:' - echo ' $ ./meilisearch' + echo " $ ./$PNAME" echo 'Usage:' - echo ' $ ./meilisearch --help' + echo " $ ./$PNAME --help" } not_available_failure_usage() { @@ -189,52 +212,55 @@ fetch_release_failure_usage() { echo 'Please let us know about this issue: https://github.com/meilisearch/meilisearch/issues/new/choose' } +fill_release_variables() { + # Fill $latest variable. + if ! get_latest; then + # TO CHANGE. + fetch_release_failure_usage + exit 1 + fi + if [ "$latest" = '' ]; then + fetch_release_failure_usage + exit 1 + fi + # Fill $os variable. + if ! get_os; then + not_available_failure_usage + exit 1 + fi + # Fill $archi variable. + if ! get_archi; then + not_available_failure_usage + exit 1 + fi +} + +download_binary() { + fill_release_variables + echo "Downloading Meilisearch binary $latest for $os, architecture $archi..." + case "$os" in + 'windows') + release_file="$PNAME-$os-$archi.exe" + binary_name="$PNAME.exe" + ;; + *) + release_file="$PNAME-$os-$archi" + binary_name="$PNAME" + esac + # Fetch the Meilisearch binary. + curl --fail -OL "$GITHUB_REL/$latest/$release_file" + if [ $? -ne 0 ]; then + fetch_release_failure_usage + exit 1 + fi + mv "$release_file" "$binary_name" + chmod 744 "$binary_name" + success_usage +} + # MAIN -# Fill $latest variable -if ! get_latest; then - fetch_release_failure_usage # TO CHANGE - exit 1 -fi - -if [ "$latest" = '' ]; then - fetch_release_failure_usage - exit 1 -fi - -# Fill $os variable -if ! get_os; then - not_available_failure_usage - exit 1 -fi - -# Fill $archi variable -if ! get_archi; then - not_available_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 - -# Fetch the Meilisearch binary -link="https://github.com/meilisearch/meilisearch/releases/download/$latest/$release_file" -curl --fail -OL "$link" -if [ $? -ne 0 ]; then - fetch_release_failure_usage - exit 1 -fi - -mv "$release_file" "$binary_name" -chmod 744 "$binary_name" -success_usage +main() { + download_binary +} +main