Automate GA releases and tag alias updates ("1", "latest", "rc")

apply-templates.sh

@@ -39,6 +39,11 @@ for version; do
 
 	rm -rf "$version/"
 
+	if jq -e '.[env.version] | not' versions.json > /dev/null; then
+		echo "deleting $version ..."
+		continue
+	fi
+
 	variants="$(jq -r '.[env.version].variants | map(@sh) | join(" ")' versions.json)"
 	eval "variants=( $variants )"
 

generate-stackbrew-library.sh

@@ -1,11 +1,6 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
-declare -A aliases=(
-	[1.9]='1 latest'
-	[1.10-rc]='rc'
-)
-
 self="$(basename "$BASH_SOURCE")"
 cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
 
@@ -74,19 +69,42 @@ join() {
 	echo "${out#$sep}"
 }
 
+declare -A latest=(
+	#[1]='1.9'
+	#[latest]='1.9'
+	#[rc]='1.10-rc'
+)
+
 for version; do
 	export version
+
+	if ! fullVersion="$(jq -er '.[env.version] | if . then .version else empty end' versions.json)"; then
+		continue
+	fi
+
 	variants="$(jq -r '.[env.version].variants | map(@sh) | join(" ")' versions.json)"
 	eval "variants=( $variants )"
 
-	fullVersion="$(jq -r '.[env.version].version' versions.json)"
-
 	versionAliases=(
 		$fullVersion
 		$version
-		${aliases[$version]:-}
 	)
 
+	aliases=()
+	if [ "$version" = "${version%-rc}" ]; then
+		if [[ "$version" =~ [0-9]+[.][0-9]+ ]]; then
+			aliases+=( "${version%%.*}" latest ) # "1", "latest"
+		fi
+	else
+		aliases+=( rc )
+	fi
+	for a in "${aliases[@]}"; do
+		if [ -z "${latest[$a]:-}" ]; then
+			latest[$a]="$version"
+			versionAliases+=( "$a" )
+		fi
+	done
+
 	defaultDebianVariant="$(jq -r '
 		.[env.version].variants
 		| map(select(

versions.json

@@ -1,4 +1,5 @@
 {
+  "1.10": null,
   "1.10-rc": {
     "arches": {
       "alpine-amd64": {

versions.sh

@@ -69,7 +69,8 @@ juliaVersions="$(
 )"
 
 for version in "${versions[@]}"; do
-	export version
+	rcVersion="${version%-rc}"
+	export version rcVersion
 
 	if \
 		! doc="$(jq <<<"$juliaVersions" -c '
@@ -84,6 +85,18 @@ for version in "${versions[@]}"; do
 
 	echo "$version: $fullVersion"
 
+	if [ "$rcVersion" != "$version" ] && gaFullVersion="$(jq <<<"$json" -er '.[env.rcVersion] | if . then .version else empty end')"; then
+		# Julia pre-releases have always only been for .0, so if our pre-release now has a relevant GA, it should go away 👀
+		# $ wget -qO- 'https://julialang-s3.julialang.org/bin/versions.json' | jq 'keys_unsorted[]' -r | grep -E '[^0]-'
+		# just in case, we'll also do a version comparison to make sure we don't have a pre-release that's newer than the relevant GA
+		latestVersion="$({ echo "$fullVersion"; echo "$gaFullVersion"; } | sort -V | tail -1)"
+		if [[ "$fullVersion" == "$gaFullVersion"* ]] || [ "$latestVersion" = "$gaFullVersion" ]; then
+			# "x.y.z-rc1" == x.y.z*
+			json="$(jq <<<"$json" -c 'del(.[env.version])')"
+			continue
+		fi
+	fi
+
 	json="$(jq <<<"$json" -c --argjson doc "$doc" '.[env.version] = (
 		$doc
 		| del(.major)
@@ -102,6 +115,11 @@ for version in "${versions[@]}"; do
 			else empty end
 		])
 	)')"
+
+	# make sure pre-release versions have a placeholder for GA
+	if [ "$version" != "$rcVersion" ]; then
+		json="$(jq <<<"$json" -c '.[env.rcVersion] //= null')"
+	fi
 done
 
 jq <<<"$json" -S . > versions.json