92 lines
2.5 KiB
Bash
Executable File
92 lines
2.5 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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self="$(basename "$BASH_SOURCE")"
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cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
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defaultVariant='apache'
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# Get the most recent commit which modified any of "$@".
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fileCommit() {
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git log -1 --format='format:%H' HEAD -- "$@"
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}
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# Get the most recent commit which modified "$1/Dockerfile" or any file that
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# the Dockerfile copies into the rootfs (with COPY).
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dockerfileCommit() {
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local dir="$1"; shift
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(
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cd "$dir";
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fileCommit Dockerfile \
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$(git show HEAD:./Dockerfile | awk '
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toupper($1) == "COPY" {
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for (i = 2; i < NF; i++)
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print $i;
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}
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')
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)
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}
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getArches() {
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local repo="$1"; shift
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local officialImagesUrl='https://github.com/docker-library/official-images/raw/master/library/'
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eval "declare -g -A parentRepoToArches=( $(
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find -maxdepth 3 -name 'Dockerfile' -exec awk '
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toupper($1) == "FROM" && $2 !~ /^('"$repo"'|scratch|microsoft\/[^:]+)(:|$)/ {
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print "'"$officialImagesUrl"'" $2
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}
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' '{}' + \
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| sort -u \
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| xargs bashbrew cat --format '[{{ .RepoName }}:{{ .TagName }}]="{{ join " " .TagEntry.Architectures }}"'
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) )"
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}
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getArches 'monica'
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# Header.
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cat <<-EOH
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# This file is generated via https://github.com/monicahq/docker/blob/$(fileCommit "$self")/$self
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Maintainers: Alexis Saettler <alexis@saettler.org>
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GitRepo: https://github.com/monicahq/docker.git
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EOH
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# prints "$2$1$3$1...$N"
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join() {
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local sep="$1"; shift
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local out; printf -v out "${sep//%/%%}%s" "$@"
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echo "${out#$sep}"
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}
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SEARCHFOR="Upgrade available - the latest version is "
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latest="$(curl -fsSL 'https://api.github.com/repos/monicahq/monica/releases/latest' | jq -r '.tag_name')"
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variants=( */ )
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variants=( "${variants[@]%/}" )
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for variant in "${variants[@]}"; do
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commit="$(dockerfileCommit "$variant")"
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fullversion="$(git show "$commit":"$variant/Dockerfile" | grep -iF "ENV MONICA_VERSION" | sed -E "s@ENV MONICA_VERSION v([0-9.]+)@\1@")"
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versionAliases=( "$fullversion" "${fullversion%.*}" "${fullversion%.*.*}" )
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if [ "$fullversion" = "$latest" ]; then
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versionAliases+=( "latest" )
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fi
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variantAliases=( "${versionAliases[@]/%/-$variant}" )
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variantAliases=( "${variantAliases[@]//latest-}" )
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if [ "$variant" = "$defaultVariant" ]; then
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variantAliases+=( "${versionAliases[@]}" )
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fi
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variantParent="$(awk 'toupper($1) == "FROM" { print $2 }' "$variant/Dockerfile")"
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variantArches="${parentRepoToArches[$variantParent]}"
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cat <<-EOE
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Tags: $(join ', ' "${variantAliases[@]}")
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Architectures: $(join ', ' $variantArches)
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Directory: $variant
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GitCommit: $commit
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EOE
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done
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