Add Alpine-based Julia 1.5 image

.github/workflows/ci.yml

@@ -25,6 +25,7 @@ jobs:
           git clone --depth 1 https://github.com/docker-library/bashbrew.git -b master ~/bashbrew
           strategy="$(~/bashbrew/scripts/github-actions/generate.sh)"
           strategy="$(~/bashbrew/scripts/github-actions/munge-i386.sh -c <<<"$strategy")"
+          strategy="$(jq -c <<<"$strategy" '.matrix.include = [ .matrix.include[] | select(.name | test("alpine.*i386") | not) ]')" # Alpine releases do not exist for i386
           jq . <<<"$strategy" # sanity check / debugging aid
           echo "::set-output name=strategy::$strategy"
 

1.5-rc/alpine3.12/Dockerfile

@@ -0,0 +1,48 @@
+FROM alpine:3.12
+
+ENV JULIA_PATH /usr/local/julia
+ENV PATH $JULIA_PATH/bin:$PATH
+
+# https://julialang.org/juliareleases.asc
+# Julia (Binary signing key) <[email protected]>
+ENV JULIA_GPG 3673DF529D9049477F76B37566E3C7DC03D6E495
+
+# https://julialang.org/downloads/
+ENV JULIA_VERSION 1.5.0-rc1
+
+RUN set -eux; \
+	\
+	apk add --no-cache --virtual .fetch-deps gnupg; \
+	\
+# https://julialang.org/downloads/#julia-command-line-version
+# https://julialang-s3.julialang.org/bin/checksums/julia-1.5.0-rc1.sha256
+# this "case" statement is generated via "update.sh"
+	apkArch="$(apk --print-arch)"; \
+	case "$apkArch" in \
+# amd64
+		x86_64) tarArch='x86_64'; dirArch='x64'; sha256='43e3a30133aee14657cc8984cc51e8f308ac1978e4c5986f4c976b8e8747194f' ;; \
+		*) echo >&2 "error: current architecture ($apkArch) does not have a corresponding Julia binary release"; exit 1 ;; \
+	esac; \
+	\
+	folder="$(echo "$JULIA_VERSION" | cut -d. -f1-2)"; \
+	wget -O julia.tar.gz.asc "https://julialang-s3.julialang.org/bin/musl/${dirArch}/${folder}/julia-${JULIA_VERSION}-musl-${tarArch}.tar.gz.asc"; \
+	wget -O julia.tar.gz     "https://julialang-s3.julialang.org/bin/musl/${dirArch}/${folder}/julia-${JULIA_VERSION}-musl-${tarArch}.tar.gz"; \
+	\
+	echo "${sha256} *julia.tar.gz" | sha256sum -c -; \
+	\
+	export GNUPGHOME="$(mktemp -d)"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$JULIA_GPG"; \
+	gpg --batch --verify julia.tar.gz.asc julia.tar.gz; \
+	command -v gpgconf > /dev/null && gpgconf --kill all; \
+	rm -rf "$GNUPGHOME" julia.tar.gz.asc; \
+	\
+	mkdir "$JULIA_PATH"; \
+	tar -xzf julia.tar.gz -C "$JULIA_PATH" --strip-components 1; \
+	rm julia.tar.gz; \
+	\
+	apk del --no-network .fetch-deps; \
+	\
+# smoke test
+	julia --version
+
+CMD ["julia"]

Dockerfile-alpine.template

@@ -0,0 +1,43 @@
+FROM alpine:%%TAG%%
+
+ENV JULIA_PATH /usr/local/julia
+ENV PATH $JULIA_PATH/bin:$PATH
+
+# https://julialang.org/juliareleases.asc
+# Julia (Binary signing key) <[email protected]>
+ENV JULIA_GPG 3673DF529D9049477F76B37566E3C7DC03D6E495
+
+# https://julialang.org/downloads/
+ENV JULIA_VERSION %%JULIA_VERSION%%
+
+RUN set -eux; \
+	\
+	apk add --no-cache --virtual .fetch-deps gnupg; \
+	\
+# https://julialang.org/downloads/#julia-command-line-version
+# https://julialang-s3.julialang.org/bin/checksums/julia-%%JULIA_VERSION%%.sha256
+# this "case" statement is generated via "update.sh"
+	%%ARCH-CASE%%; \
+	\
+	folder="$(echo "$JULIA_VERSION" | cut -d. -f1-2)"; \
+	wget -O julia.tar.gz.asc "https://julialang-s3.julialang.org/bin/musl/${dirArch}/${folder}/julia-${JULIA_VERSION}-musl-${tarArch}.tar.gz.asc"; \
+	wget -O julia.tar.gz     "https://julialang-s3.julialang.org/bin/musl/${dirArch}/${folder}/julia-${JULIA_VERSION}-musl-${tarArch}.tar.gz"; \
+	\
+	echo "${sha256} *julia.tar.gz" | sha256sum -c -; \
+	\
+	export GNUPGHOME="$(mktemp -d)"; \
+	gpg --batch --keyserver ha.pool.sks-keyservers.net --recv-keys "$JULIA_GPG"; \
+	gpg --batch --verify julia.tar.gz.asc julia.tar.gz; \
+	command -v gpgconf > /dev/null && gpgconf --kill all; \
+	rm -rf "$GNUPGHOME" julia.tar.gz.asc; \
+	\
+	mkdir "$JULIA_PATH"; \
+	tar -xzf julia.tar.gz -C "$JULIA_PATH" --strip-components 1; \
+	rm julia.tar.gz; \
+	\
+	apk del --no-network .fetch-deps; \
+	\
+# smoke test
+	julia --version
+
+CMD ["julia"]

generate-stackbrew-library.sh

@@ -6,6 +6,7 @@ declare -A aliases=(
 	[1.5-rc]='rc'
 )
 defaultDebianVariant='buster'
+defaultAlpineVariant='alpine3.12'
 
 self="$(basename "$BASH_SOURCE")"
 cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
@@ -90,6 +91,7 @@ join() {
 for version in "${versions[@]}"; do
 	for v in \
 		{buster,stretch} \
+		alpine3.12 \
 		windows/windowsservercore-{ltsc2016,1809} \
 	; do
 		dir="$version/$v"
@@ -113,6 +115,9 @@ for version in "${versions[@]}"; do
 		)
 
 		variantAliases=( "${versionAliases[@]/%/-$variant}" )
+		if [ "$variant" = "$defaultAlpineVariant" ]; then
+			variantAliases+=( "${versionAliases[@]/%/-alpine}" )
+		fi
 		variantAliases=( "${variantAliases[@]//latest-/}" )
 
 		sharedTags=()

update.sh

@@ -47,7 +47,7 @@ for version in "${versions[@]}"; do
 	for dpkgArch in $(dpkgArches "$version"); do
 		tarArch="$(dpkgToJuliaTarArch "$version" "$dpkgArch")"
 		dirArch="$(dpkgToJuliaDirArch "$version" "$dpkgArch")"
-		sha256="$(echo "$sha256s" | grep "julia-${fullVersion}-linux-${tarArch}.tar.gz$" | cut -d' ' -f1 || :)"
+		sha256="$(grep "julia-${fullVersion}-linux-${tarArch}.tar.gz$" <<<"$sha256s" | cut -d' ' -f1 || :)"
 		if [ -z "$sha256" ]; then
 			echo >&2 "warning: cannot find sha256 for $fullVersion on arch $tarArch / $dirArch ($dpkgArch); skipping"
 			continue
@@ -59,12 +59,13 @@ for version in "${versions[@]}"; do
 	linuxArchCase+=$'\t\t''*) echo >&2 "error: current architecture ($dpkgArch) does not have a corresponding Julia binary release"; exit 1 ;; '$'\\\n'
 	linuxArchCase+=$'\t''esac'
 
-	winSha256="$(echo "$sha256s" | grep "julia-${fullVersion}-win64.exe$" | cut -d' ' -f1)"
+	winSha256="$(grep "julia-${fullVersion}-win64.exe$" <<<"$sha256s" | cut -d' ' -f1)"
 
 	echo "$version: $fullVersion"
 
 	for v in \
 		windows/windowsservercore-{ltsc2016,1809} \
+		alpine3.12 \
 		{stretch,buster} \
 	; do
 		dir="$version/$v"
@@ -74,6 +75,7 @@ for version in "${versions[@]}"; do
 
 		case "$variant" in
 			windowsservercore-*) template='windowsservercore'; tag="${variant#*-}" ;;
+			alpine*) template='alpine'; tag="${variant#alpine}" ;;
 			*) template='debian'; tag="${variant}-slim" ;;
 		esac
 
@@ -82,11 +84,26 @@ for version in "${versions[@]}"; do
 			tag="$variant"
 		fi
 
+		variantArchCase="$linuxArchCase"
+		if [ "$template" = 'alpine' ]; then
+			sha256="$(grep "julia-${fullVersion}-musl-x86_64.tar.gz$" <<<"$sha256s" | cut -d' ' -f1 || :)"
+			[ -n "$sha256" ] || continue
+			variantArchCase='apkArch="$(apk --print-arch)"; '$'\\\n'
+			variantArchCase+=$'\t''case "$apkArch" in '$'\\\n'
+			# TODO Alpine multiarch
+			variantArchCase+='# amd64'$'\n'
+			tarArch="$(dpkgToJuliaTarArch "$version" 'amd64')"
+			dirArch="$(dpkgToJuliaDirArch "$version" 'amd64')"
+			variantArchCase+=$'\t\t'"x86_64) tarArch='$tarArch'; dirArch='$dirArch'; sha256='$sha256' ;; "$'\\\n'
+			variantArchCase+=$'\t\t''*) echo >&2 "error: current architecture ($apkArch) does not have a corresponding Julia binary release"; exit 1 ;; '$'\\\n'
+			variantArchCase+=$'\t''esac'
+		fi
+
 		sed -r \
 			-e 's!%%JULIA_VERSION%%!'"$fullVersion"'!g' \
 			-e 's!%%TAG%%!'"$tag"'!g' \
 			-e 's!%%JULIA_WINDOWS_SHA256%%!'"$winSha256"'!g' \
-			-e 's!%%ARCH-CASE%%!'"$(sed_escape_rhs "$linuxArchCase")"'!g' \
+			-e 's!%%ARCH-CASE%%!'"$(sed_escape_rhs "$variantArchCase")"'!g' \
 			"Dockerfile-$template.template" > "$dir/Dockerfile"
 
 		case "$dir" in