diff --git a/generate-stackbrew-library-mac.sh b/generate-stackbrew-library-mac.sh new file mode 100755 index 00000000..6761a77e --- /dev/null +++ b/generate-stackbrew-library-mac.sh @@ -0,0 +1,139 @@ +#!/opt/homebrew/bin/bash + +## You need to perform the following steps before executing this script: +## 1. Install a newer version of bash: `brew install bash`. +## 2. Install additional packages: `brew install coreutils gawk`. +## 3. Ensure that you have `bashbrew` built and in your PATH. + +set -Eeuo pipefail + +declare -A aliases=( + [7.2]='7 latest' + [6.2]='6' +) + +self="$(basename "$0")" +cd "$(dirname "$(greadlink -f "$0")")" + +if [ "$#" -eq 0 ]; then + versions="$(jq -r 'keys | map(@sh) | join(" ")' versions.json)" + eval "set -- $versions" +fi + +# sort version numbers with highest first +IFS=$'\n'; set -- $(sort -rV <<<"$*"); unset IFS + +# get the most recent commit which modified any of "$@" +fileCommit() { + git log -1 --format='format:%H' HEAD -- "$@" +} + +# get the most recent commit which modified "$1/Dockerfile" or any file COPY'd from "$1/Dockerfile" +dirCommit() { + local dir="$1"; shift + ( + cd "$dir" + fileCommit \ + Dockerfile \ + $(git show HEAD:./Dockerfile | gawk ' + toupper($1) == "COPY" { + for (i = 2; i < NF; i++) { + print $i + } + } + ') + ) +} + +getArches() { + local repo="$1"; shift + local officialImagesUrl='https://github.com/docker-library/official-images/raw/master/library/' + + eval "declare -g -A parentRepoToArches=( $( + find . -name 'Dockerfile' -exec gawk ' + toupper($1) == "FROM" && $2 !~ /^('"$repo"'|scratch|.*\/.*)(:|$)/ { + print "'"$officialImagesUrl"'" $2 + } + ' '{}' + \ + | sort -u \ + | xargs bashbrew cat --format '[{{ .RepoName }}:{{ .TagName }}]="{{ join " " .TagEntry.Architectures }}"' + ) )" +} +getArches 'redis' + +cat <<-EOH +# this file is generated via https://github.com/redis/docker-library-redis/blob/$(fileCommit "$self")/$self + +Maintainers: David Maier (@dmaier-redislabs), + Yossi Gottlieb (@yossigo) +GitRepo: https://github.com/redis/docker-library-redis.git +EOH + +# prints "$2$1$3$1...$N" +join() { + local sep="$1"; shift + local out; printf -v out "${sep//%/%%}%s" "$@" + echo "${out#$sep}" +} + +for version; do + export version + + fullVersion="$(jq -r '.[env.version].version' versions.json)" + + versionAliases=() + while [ "$fullVersion" != "$version" ] && [ "${fullVersion%.*}" != "$fullVersion" ]; do + versionAliases+=( $fullVersion ) + fullVersion="${fullVersion%.*}" + done + versionAliases+=( + $version + ${aliases[$version]:-} + ) + + for variant in debian alpine; do + export variant + dir="$version/$variant" + + commit="$(dirCommit "$dir")" + + if [ "$variant" = 'debian' ]; then + variantAliases=( "${versionAliases[@]}" ) + else + variantAliases=( "${versionAliases[@]/%/-$variant}" ) + variantAliases=( "${variantAliases[@]//latest-/}" ) + fi + + parent="$(gawk 'toupper($1) == "FROM" { print $2 }' "$dir/Dockerfile")" + arches="${parentRepoToArches[$parent]}" + + suite="${parent#*:}" # "bookworm-slim", "bookworm" + suite="${suite%-slim}" # "bookworm" + if [ "$variant" = 'alpine' ]; then + suite="alpine$suite" # "alpine3.18" + fi + suiteAliases=( "${versionAliases[@]/%/-$suite}" ) + suiteAliases=( "${suiteAliases[@]//latest-/}" ) + variantAliases+=( "${suiteAliases[@]}" ) + + # calculate the intersection of parent image arches and gosu arches + arches="$(jq -r --arg arches "$arches" ' + ( + $arches + | gsub("^[[:space:]]+|[[:space:]]+$"; "") + | split("[[:space:]]+"; "") + ) as $parentArches + | .[env.version] + | $parentArches - ($parentArches - (.gosu.arches | keys)) + | join(", ") + ' versions.json)" + + echo + cat <<-EOE + Tags: $(join ', ' "${variantAliases[@]}") + Architectures: $arches + GitCommit: $commit + Directory: $dir + EOE + done +done