docker-images/postgres
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Convert "generate-stackbrew-library.sh" to output the new 2822-based format

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This commit is contained in:
Tianon Gravi
2016-06-09 11:59:47 -07:00
parent a85a6d693d
commit 4e48e3228a
1 changed files with 60 additions and 10 deletions
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70
generate-stackbrew-library.sh
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@ -1,25 +1,75 @@
#!/bin/bash
set -e
set -eu
declare -A aliases=(
[9.5]='9 latest'
)
self="$(basename "$BASH_SOURCE")"
cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
versions=( */ )
versions=( "${versions[@]%/}" )
url='git://github.com/docker-library/postgres'
echo '# maintainer: InfoSiftr <github@infosiftr.com> (@infosiftr)'
# sort version numbers with highest first
IFS=$'\n'; versions=( $(echo "${versions[*]}" | 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 $i
}
}
')
)
}
cat <<-EOH
# this file is generated via https://github.com/docker-library/postgres/blob/$(fileCommit "$self")/$self
Maintainers: Tianon Gravi <admwiggin@gmail.com> (@tianon),
Joseph Ferguson <yosifkit@gmail.com> (@yosifkit)
GitRepo: https://github.com/docker-library/postgres.git
EOH
# prints "$2$1$3$1...$N"
join() {
local sep="$1"; shift
local out; printf -v out "${sep//%/%%}%s" "$@"
echo "${out#$sep}"
}
for version in "${versions[@]}"; do
commit="$(cd "$version" && git log -1 --format='format:%H' -- Dockerfile $(awk 'toupper($1) == "COPY" { for (i = 2; i < NF; i++) { print $i } }' Dockerfile))"
fullVersion="$(grep -m1 'ENV PG_VERSION ' "$version/Dockerfile" | cut -d' ' -f3 | cut -d- -f1 | sed 's/~/-/g')"
versionAliases=( $fullVersion $version ${aliases[$version]} )
echo
for va in "${versionAliases[@]}"; do
echo "$va: ${url}@${commit} $version"
commit="$(dirCommit "$version")"
fullVersion="$(git show "$commit":"$version/Dockerfile" | awk '$1 == "ENV" && $2 == "PG_VERSION" { gsub(/-.*$/, "", $3); gsub(/~/, "-", $3); print $3; exit }')"
versionAliases=()
while [ "$fullVersion" != "$version" -a "${fullVersion%[.-]*}" != "$fullVersion" ]; do
versionAliases+=( $fullVersion )
fullVersion="${fullVersion%[.-]*}"
done
versionAliases+=(
$version
${aliases[$version]:-}
)
echo
cat <<-EOE
Tags: $(join ', ' "${versionAliases[@]}")
GitCommit: $commit
Directory: $version
EOE
done