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haproxy/generate-stackbrew-library.sh
2024-11-26 09:19:59 -08:00

133 lines
3.3 KiB
Bash
Executable File

#!/usr/bin/env bash
set -Eeuo pipefail
# https://www.haproxy.org/#last ("LTS" vs "latest")
declare -A aliases=(
[3.1]='latest'
[3.0]='lts'
)
self="$(basename "$BASH_SOURCE")"
cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
if [ "$#" -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 | awk '
toupper($1) == "COPY" {
for (i = 2; i < NF; i++) {
print $i
}
}
')
)
}
getArches() {
local repo="$1"; shift
local officialImagesBase="${BASHBREW_LIBRARY:-https://github.com/docker-library/official-images/raw/HEAD/library}/"
local parentRepoToArchesStr
parentRepoToArchesStr="$(
find -name 'Dockerfile' -exec awk -v officialImagesBase="$officialImagesBase" '
toupper($1) == "FROM" && $2 !~ /^('"$repo"'|scratch|.*\/.*)(:|$)/ {
printf "%s%s\n", officialImagesBase, $2
}
' '{}' + \
| sort -u \
| xargs -r bashbrew cat --format '["{{ .RepoName }}:{{ .TagName }}"]="{{ join " " .TagEntry.Architectures }}"'
)"
eval "declare -g -A parentRepoToArches=( $parentRepoToArchesStr )"
}
getArches 'haproxy'
cat <<-EOH
# this file is generated via https://github.com/docker-library/haproxy/blob/$(fileCommit "$self")/$self
Maintainers: Tianon Gravi <admwiggin@gmail.com> (@tianon),
Joseph Ferguson <yosifkit@gmail.com> (@yosifkit)
GitRepo: https://github.com/docker-library/haproxy.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)"
# dcorbett(-haproxy): maybe just a simple "-dev" without the 0 which always follows the latest dev branch
tagVersion="$version"
if [[ "$fullVersion" == *-dev* ]]; then
tagVersion="$version-dev"
fi
versionAliases=(
$fullVersion
$tagVersion
${aliases[$version]:-}
)
for variant in '' alpine; do
export variant
dir="$version${variant:+/$variant}"
if [ ! -d "$dir" ]; then
# 2.2 can't be built on a supported Alpine release
continue
fi
commit="$(dirCommit "$dir")"
if [ -n "$variant" ]; then
variantAliases=( "${versionAliases[@]/%/-$variant}" )
variantAliases=( "${variantAliases[@]//latest-/}" )
else
variantAliases=( "${versionAliases[@]}" )
fi
parent="$(awk 'toupper($1) == "FROM" { print $2 }' "$dir/Dockerfile")"
arches="${parentRepoToArches[$parent]}"
suite="${parent#*:}" # "buster-slim", "buster"
suite="${suite%-slim}" # "buster"
if [ "$variant" = 'alpine' ]; then
suite="alpine$suite" # "alpine3.8"
suiteAliases=( "${versionAliases[@]/%/-$suite}" )
else
suiteAliases=( "${variantAliases[@]/%/-$suite}" )
fi
suiteAliases=( "${suiteAliases[@]//latest-/}" )
variantAliases+=( "${suiteAliases[@]}" )
echo
cat <<-EOE
Tags: $(join ', ' "${variantAliases[@]}")
Architectures: $(join ', ' $arches)
GitCommit: $commit
Directory: $dir
EOE
done
done