MeiliSearch/download-latest.sh

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#!/bin/sh
# This script can optionally use a GitHub token to increase your request limit (for example, if using this script in a CI).
# To use a GitHub token, pass it through the GITHUB_PAT environment variable.
# GLOBALS
# Colors
RED='\033[31m'
GREEN='\033[32m'
DEFAULT='\033[0m'
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# Project name
PNAME='meilisearch'
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# GitHub API address
GITHUB_API='https://api.github.com/repos/meilisearch/meilisearch/releases'
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# GitHub Release address
GITHUB_REL='https://github.com/meilisearch/meilisearch/releases/download/'
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# FUNCTIONS
# Gets the version of the latest stable version of Meilisearch by setting the $latest variable.
# Returns 0 in case of success, 1 otherwise.
get_latest() {
# temp_file is needed because the grep would start before the download is over
temp_file=$(mktemp -q /tmp/$PNAME.XXXXXXXXX)
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latest_release="$GITHUB_API/latest"
if [ $? -ne 0 ]; then
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echo "$0: Can't create temp file."
fetch_release_failure_usage
exit 1
fi
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if [ -z "$GITHUB_PAT" ]; then
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curl -s "$latest_release" > "$temp_file" || return 1
else
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curl -H "Authorization: token $GITHUB_PAT" -s "$latest_release" > "$temp_file" || return 1
fi
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latest="$(cat "$temp_file" | grep '"tag_name":' | cut -d ':' -f2 | tr -d '"' | tr -d ',' | tr -d ' ')"
rm -f "$temp_file"
return 0
}
# 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'*)
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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' )
archi='amd64'
;;
'arm64')
# macOS M1/M2
if [ $os = 'macos' ]; then
archi='apple-silicon'
else
archi='aarch64'
fi
;;
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'aarch64')
archi='aarch64'
;;
*)
return 1
esac
return 0
}
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success_usage() {
printf "$GREEN%s\n$DEFAULT" "Meilisearch $latest binary successfully downloaded as '$binary_name' file."
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echo ''
echo 'Run it:'
echo " $ ./$PNAME"
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echo 'Usage:'
echo " $ ./$PNAME --help"
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}
not_available_failure_usage() {
printf "$RED%s\n$DEFAULT" 'ERROR: Meilisearch binary is not available for your OS distribution or your architecture yet.'
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echo ''
echo 'However, you can easily compile the binary from the source files.'
echo 'Follow the steps at the page ("Source" tab): https://www.meilisearch.com/docs/learn/getting_started/installation'
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}
fetch_release_failure_usage() {
echo ''
printf "$RED%s\n$DEFAULT" 'ERROR: Impossible to get the latest stable version of Meilisearch.'
echo 'Please let us know about this issue: https://github.com/meilisearch/meilisearch/issues/new/choose'
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echo ''
echo 'In the meantime, you can manually download the appropriate binary from the GitHub release assets here: https://github.com/meilisearch/meilisearch/releases/latest'
}
fill_release_variables() {
# Fill $latest variable.
if ! get_latest; then
fetch_release_failure_usage
exit 1
fi
if [ "$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
}
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# MAIN
main() {
download_binary
}
main