133 lines
4.0 KiB
Bash
133 lines
4.0 KiB
Bash
#!/bin/sh
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# Checks if the current tag should be the latest (in terms of semver and not of release date).
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# Ex: previous tag -> v0.10.1
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# new tag -> v0.8.12
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# The new tag should not be the latest
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# So it returns "false", the CI should not run for the release v0.8.2
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# Used in GHA in publish-docker-latest.yml
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# Returns "true" or "false" (as a string) to be used in the `if` in GHA
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# GLOBAL
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GREP_SEMVER_REGEXP='v\([0-9]*\)[.]\([0-9]*\)[.]\([0-9]*\)$' # i.e. v[number].[number].[number]
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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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#MINOR
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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" < "_$SPECIAL_B" ]; then
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return 0
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fi
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return 1
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}
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# Returns the tag of the latest stable release (in terms of semver and not of release date)
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get_latest() {
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temp_file='temp_file' # temp_file needed because the grep would start before the download is over
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curl -s 'https://api.github.com/repos/meilisearch/meiliSearch/releases' > "$temp_file"
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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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if [ $i -eq 0 ]; then # Cheking tag_name
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if echo "$release_info" | grep -q "$GREP_SEMVER_REGEXP"; then # If it's not an alpha or beta release
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current_tag=$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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elif [ $i -eq 1 ]; then # Checking draft boolean
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if [ "$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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elif [ $i -eq 2 ]; then # Checking prerelease boolean
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if [ "$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 [ "$current_tag" != "" ]; then # If the current_tag is valid
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if [ "$latest" = "" ]; then # If there is no latest yet
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latest="$current_tag"
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else
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semverLT $current_tag $latest # Comparing latest and the current tag
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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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rm -f "$temp_file"
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echo $latest
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}
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# MAIN
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current_tag="$(echo $GITHUB_REF | tr -d 'refs/tags/')"
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latest="$(get_latest)"
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if [ "$current_tag" != "$latest" ]; then
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# The current release tag is not the latest
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echo "false"
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else
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# The current release tag is the latest
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echo "true"
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fi
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