Modified the test build to accept a list of variants to slimit the build

functions.sh

@@ -56,10 +56,29 @@ function get_variants() {
 	shift
 
 	local arch
-	arch=$(get_arch)
+	local availablevariants
+	local variantsfilter
 	local variants
-	variants=$(grep "^$arch" "$dir/architectures" | sed -E 's/'"$arch"'[[:space:]]*//' | sed -E 's/,/ /g')
-	echo "$variants"
+
+	arch=$(get_arch)
+	variantsfilter=( "$@" )
+	IFS=' ' read -ra availablevariants <<< "$(grep "^$arch" "$dir/architectures" | sed -E 's/'"$arch"'[[:space:]]*//' | sed -E 's/,/ /g')"
+
+	if [ ${#variantsfilter[@]} -gt 0 ]; then
+		for variant1 in "${availablevariants[@]}"; do
+			for variant2 in "${variantsfilter[@]}"; do
+				if [[ "$variant1" = "$variant2" ]]; then
+					variants+=("$variant1")
+				fi
+			done
+		done
+
+		if [ ${#variants[@]} -gt 0 ]; then
+			echo "${variants[@]}"
+		fi
+	else
+		echo "${availablevariants[@]}"
+	fi
 }
 
 # Get supported architectures for a specific version and variant

generate-stackbrew-library.sh

@@ -70,8 +70,8 @@ for version in "${versions[@]}"; do
 
 	# Get supported variants according to the target architecture.
 	# See details in function.sh
-	variants=$(get_variants "$(dirname "$version")")
-	for variant in $variants; do
+	IFS=' ' read -ra variants <<< "$(get_variants "$(dirname "$version")")"
+	for variant in "${variants[@]}"; do
 		# Skip non-docker directories
 		[ -f "$version/$variant/Dockerfile" ] || continue
 

test-build.sh

@@ -53,9 +53,9 @@ for version in "${versions[@]}"; do
 
   # Get supported variants according to the target architecture.
   # See details in function.sh
-  variants=$(get_variants "$(dirname "$version")")
+  IFS=' ' read -ra variants <<< "$(IFS=','; get_variants "$(dirname "$version")" "$2")"
 
-  for variant in $variants; do
+  for variant in "${variants[@]}"; do
     # Skip non-docker directories
     [ -f "$version/$variant/Dockerfile" ] || continue
 

update.sh

@@ -85,9 +85,9 @@ for version in "${versions[@]}"; do
 
 	# Get supported variants according the target architecture
 	# See details in function.sh
-	variants=$(get_variants "$parentpath")
+	IFS=' ' read -ra variants <<< "$(get_variants "$parentpath")"
 
-	for variant in $variants; do
+	for variant in "${variants[@]}"; do
 		# Skip non-docker directories
 		[ -f "$version/$variant/Dockerfile" ] || continue
 		add_stage "$baseuri" "$version" "$variant"