Simplify download-latest.sh script
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curquiza
parent
6150aa73b0
commit
8d405fad12
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@ -10,9 +10,6 @@ DEFAULT='\033[0m'
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# Project name
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PNAME='meilisearch'
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# Version regexp i.e. v[number].[number].[number]
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GREP_SEMVER_REGEXP='v\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)$'
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# GitHub API address
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GITHUB_API='https://api.github.com/repos/meilisearch/meilisearch/releases'
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# GitHub Release address
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@ -20,126 +17,26 @@ GITHUB_REL='https://github.com/meilisearch/meilisearch/releases/download/'
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# FUNCTIONS
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# semverParseInto and semverLT from: https://github.com/cloudflare/semver_bash/blob/master/semver.sh
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# usage: semverParseInto version major minor patch special
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# version: the string version
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# major, minor, patch, special: will be assigned by the function
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semverParseInto() {
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local RE='[^0-9]*\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)\([0-9A-Za-z-]*\)'
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# MAJOR
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eval $2=`echo $1 | sed -e "s#$RE#\1#"`
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# MINOR
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eval $3=`echo $1 | sed -e "s#$RE#\2#"`
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# PATCH
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eval $4=`echo $1 | sed -e "s#$RE#\3#"`
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# SPECIAL
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eval $5=`echo $1 | sed -e "s#$RE#\4#"`
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}
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# usage: semverLT version1 version2
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semverLT() {
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local MAJOR_A=0
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local MINOR_A=0
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local PATCH_A=0
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local SPECIAL_A=0
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local MAJOR_B=0
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local MINOR_B=0
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local PATCH_B=0
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local SPECIAL_B=0
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semverParseInto $1 MAJOR_A MINOR_A PATCH_A SPECIAL_A
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semverParseInto $2 MAJOR_B MINOR_B PATCH_B SPECIAL_B
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if [ $MAJOR_A -lt $MAJOR_B ]; then
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return 0
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fi
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if [ $MAJOR_A -le $MAJOR_B ] && [ $MINOR_A -lt $MINOR_B ]; then
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return 0
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fi
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if [ $MAJOR_A -le $MAJOR_B ] && [ $MINOR_A -le $MINOR_B ] && [ $PATCH_A -lt $PATCH_B ]; then
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return 0
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fi
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if [ "_$SPECIAL_A" == '_' ] && [ "_$SPECIAL_B" == '_' ] ; then
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return 1
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fi
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if [ "_$SPECIAL_A" == '_' ] && [ "_$SPECIAL_B" != '_' ] ; then
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return 1
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fi
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if [ "_$SPECIAL_A" != '_' ] && [ "_$SPECIAL_B" == '_' ] ; then
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return 0
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fi
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if [ "_$SPECIAL_A" < "_$SPECIAL_B" ]; then
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return 0
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fi
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return 1
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}
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# Get a token from: https://github.com/settings/tokens to increase rate limit (from 60 to 5000),
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# make sure the token scope is set to 'public_repo'.
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# Create GITHUB_PAT environment variable once you acquired the token to start using it.
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# Returns the tag of the latest stable release (in terms of semver and not of release date).
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get_latest() {
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# temp_file is needed because the grep would start before the download is over
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temp_file=$(mktemp -q /tmp/$PNAME.XXXXXXXXX)
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latest_release="$GITHUB_API/latest"
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if [ $? -ne 0 ]; then
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echo "$0: Can't create temp file, bye bye.."
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echo "$0: Can't create temp file."
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fetch_release_failure_usage
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exit 1
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fi
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if [ -z "$GITHUB_PAT" ]; then
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curl -s $GITHUB_API > "$temp_file" || return 1
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curl -s "$latest_release" > "$temp_file" || return 1
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else
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curl -H "Authorization: token $GITHUB_PAT" -s $GITHUB_API > "$temp_file" || return 1
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curl -H "Authorization: token $GITHUB_PAT" -s "$latest_release" > "$temp_file" || return 1
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fi
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releases=$(cat "$temp_file" | \
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grep -E '"tag_name":|"draft":|"prerelease":' \
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| tr -d ',"' | cut -d ':' -f2 | tr -d ' ')
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# Returns a list of [tag_name draft_boolean prerelease_boolean ...]
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# Ex: v0.10.1 false false v0.9.1-rc.1 false true v0.9.0 false false...
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i=0
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latest=''
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current_tag=''
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for release_info in $releases; do
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# Checking tag_name
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if [ $i -eq 0 ]; then
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# If it's not an alpha or beta release
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if echo "$release_info" | grep -q "$GREP_SEMVER_REGEXP"; then
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current_tag=$release_info
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else
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current_tag=''
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fi
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i=1
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# Checking draft boolean
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elif [ $i -eq 1 ]; then
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if [ "$release_info" = 'true' ]; then
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current_tag=''
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fi
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i=2
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# Checking prerelease boolean
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elif [ $i -eq 2 ]; then
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if [ "$release_info" = 'true' ]; then
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current_tag=''
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fi
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i=0
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# If the current_tag is valid
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if [ "$current_tag" != '' ]; then
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# If there is no latest yes
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if [ "$latest" = '' ]; then
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latest="$current_tag"
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else
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# Comparing latest and the current tag
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semverLT $current_tag $latest
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if [ $? -eq 1 ]; then
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latest="$current_tag"
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fi
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fi
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fi
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fi
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done
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latest="$(cat "$temp_file" | grep '"tag_name":' | cut -d ':' -f2 | tr -d '"' | tr -d ',' | tr -d ' ')"
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rm -f "$temp_file"
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return 0
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@ -210,12 +107,13 @@ fetch_release_failure_usage() {
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echo ''
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printf "$RED%s\n$DEFAULT" 'ERROR: Impossible to get the latest stable version of Meilisearch.'
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echo 'Please let us know about this issue: https://github.com/meilisearch/meilisearch/issues/new/choose'
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echo ''
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echo 'In the meantime, you can manually download the appropriate binary from the GitHub release assets here: https://github.com/meilisearch/meilisearch/releases/latest'
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}
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fill_release_variables() {
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# Fill $latest variable.
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if ! get_latest; then
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# TO CHANGE.
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fetch_release_failure_usage
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exit 1
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fi
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