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#!/bin/bash
set -Eeuo pipefail
self="$(basename "$BASH_SOURCE")"
cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
# Get the most recent commit which modified any of "$@".
fileCommit() {
git log -1 --format='format:%H' HEAD -- "$@"
}
# Get the most recent commit which modified "$1/Dockerfile" or any file that
# the Dockerfile copies into the rootfs (with COPY).
dockerfileCommit() {
local dir="$1"; shift
(
cd "$dir";
fileCommit Dockerfile \
$(git show HEAD:./Dockerfile | awk '
toupper($1) == "COPY" {
for (i = 2; i < NF; i++)
print $i;
}
')
)
}
# Header.
cat <<-EOH
# This file is generated via https://github.com/nextcloud/docker/blob/$(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:]]+)+' | \
grep -oE '[[:digit:]]+(.[[:digit:]]+)+' | \
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="$(git show "$commit":"$version/$variant/Dockerfile" | awk '$1 == "ENV" && $2 == "NEXTCLOUD_VERSION" { print $3; exit }')"
versionAliases=( "$fullversion" "${fullversion%.*}" "${fullversion%.*.*}" )
if [ "$fullversion" = "$latest" ]; then
versionAliases+=( "latest" )
fi
variantAliases=( "${versionAliases[@]/%/-$variant}" )
variantAliases=( "${variantAliases[@]//latest-}" )
if [ "$variant" = "apache" ]; then
variantAliases+=( "${versionAliases[@]}" )
fi
cat <<-EOE
Tags: $(join ', ' "${variantAliases[@]}")
GitCommit: $commit
Directory: $version/$variant
EOE
done
done
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