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Nextcloud-Docker/generate-stackbrew-library.sh

126 lines
3.6 KiB

#!/bin/bash
set -Eeuo pipefail
declare -A release_channel=(
[stable]='17.0.3'
[production]='16.0.8'
)
self="$(basename "$BASH_SOURCE")"
cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
# Get the most recent commit which modified any of "$@".
fileCommit() {
commit="$(git log -1 --format='format:%H' HEAD -- "$@")"
if [ -z "$commit" ]; then
# return some valid sha1 hash to make bashbrew happy
echo '0000000000000000000000000000000000000000'
else
echo "$commit"
fi
}
# Get the most recent commit which modified "$1/Dockerfile" or any file that
# the Dockerfile copies into the rootfs (with COPY).
dockerfileCommit() {
local dir="$1"; shift
(
cd "$dir";
fileCommit Dockerfile \
$(awk '
toupper($1) == "COPY" {
for (i = 2; i < NF; i++)
print $i;
}
' Dockerfile)
)
}
getArches() {
local repo="$1"; shift
local officialImagesUrl='https://github.com/docker-library/official-images/raw/master/library/'
eval "declare -g -A parentRepoToArches=( $(
find -maxdepth 3 -name 'Dockerfile' -exec awk '
toupper($1) == "FROM" && $2 !~ /^('"$repo"'|scratch|microsoft\/[^:]+)(:|$)/ {
print "'"$officialImagesUrl"'" $2
}
' '{}' + \
| sort -u \
| xargs bashbrew cat --format '[{{ .RepoName }}:{{ .TagName }}]="{{ join " " .TagEntry.Architectures }}"'
) )"
}
getArches 'nextcloud'
# Header.
cat <<-EOH
# This file is generated via https://github.com/nextcloud/docker/blob/$(fileCommit "$self")/$self
Maintainers: Nextcloud <docker@nextcloud.com> (@nextcloud)
GitRepo: https://github.com/nextcloud/docker.git
EOH
# prints "$2$1$3$1...$N"
join() {
local sep="$1"; shift
local out; printf -v out "${sep//%/%%}%s" "$@"
echo "${out#$sep}"
}
latest=$( curl -fsSL 'https://download.nextcloud.com/server/releases/' |tac|tac| \
grep -oE 'nextcloud-[[:digit:]]+(\.[[:digit:]]+){2}' | \
grep -oE '[[:digit:]]+(\.[[:digit:]]+){2}' | \
sort -uV | \
tail -1 )
# Generate each of the tags.
versions=( */ )
versions=( "${versions[@]%/}" )
for version in "${versions[@]}"; do
variants=( $version/*/ )
variants=( $(for variant in "${variants[@]%/}"; do
echo "$(basename "$variant")"
done) )
for variant in "${variants[@]}"; do
commit="$(dockerfileCommit "$version/$variant")"
fullversion_with_extension="$( awk '$1 == "ENV" && $2 == "NEXTCLOUD_VERSION" { print $3; exit }' "$version/$variant/Dockerfile" )"
fullversion="$( echo "$fullversion_with_extension" | grep -oE '[[:digit:]]+(\.[[:digit:]]+){2}')"
versionAliases=( )
versionPostfix=""
if [ "$fullversion_with_extension" != "$fullversion" ]; then
versionAliases=( "$fullversion_with_extension" )
versionPostfix="-$( echo "$fullversion_with_extension" | tr '[:upper:]' '[:lower:]' | grep -oE '(beta|rc|alpha)')"
fi
versionAliases+=( "$fullversion$versionPostfix" "${fullversion%.*}$versionPostfix" "${fullversion%.*.*}$versionPostfix" )
if [ "$fullversion_with_extension" = "$latest" ]; then
versionAliases+=( "latest" )
fi
for channel in "${!release_channel[@]}"; do
if [ "$fullversion_with_extension" = "${release_channel[$channel]}" ]; then
versionAliases+=( "$channel" )
fi
done
variantAliases=( "${versionAliases[@]/%/-$variant}" )
variantAliases=( "${variantAliases[@]//latest-}" )
if [ "$variant" = "apache" ]; then
variantAliases+=( "${versionAliases[@]}" )
fi
variantParent="$(awk 'toupper($1) == "FROM" { print $2 }' "$version/$variant/Dockerfile")"
variantArches="${parentRepoToArches[$variantParent]}"
cat <<-EOE
Tags: $(join ', ' "${variantAliases[@]}")
Architectures: $(join ', ' $variantArches)
GitCommit: $commit
Directory: $version/$variant
EOE
done
done