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1 | 1 | #!/bin/bash |
2 | | -set -e |
| 2 | +set -eu |
3 | 3 |
|
4 | 4 | declare -A aliases=( |
5 | 5 | [9.5]='9 latest' |
6 | 6 | ) |
7 | 7 |
|
| 8 | +self="$(basename "$BASH_SOURCE")" |
8 | 9 | cd "$(dirname "$(readlink -f "$BASH_SOURCE")")" |
9 | 10 |
|
10 | 11 | versions=( */ ) |
11 | 12 | versions=( "${versions[@]%/}" ) |
12 | | -url='git://github.com/docker-library/postgres' |
13 | 13 |
|
14 | | -echo '# maintainer: InfoSiftr <github@infosiftr.com> (@infosiftr)' |
| 14 | +# sort version numbers with highest first |
| 15 | +IFS=$'\n'; versions=( $(echo "${versions[*]}" | sort -rV) ); unset IFS |
| 16 | + |
| 17 | +# get the most recent commit which modified any of "$@" |
| 18 | +fileCommit() { |
| 19 | + git log -1 --format='format:%H' HEAD -- "$@" |
| 20 | +} |
| 21 | + |
| 22 | +# get the most recent commit which modified "$1/Dockerfile" or any file COPY'd from "$1/Dockerfile" |
| 23 | +dirCommit() { |
| 24 | + local dir="$1"; shift |
| 25 | + ( |
| 26 | + cd "$dir" |
| 27 | + fileCommit \ |
| 28 | + Dockerfile \ |
| 29 | + $(git show HEAD:./Dockerfile | awk ' |
| 30 | + toupper($1) == "COPY" { |
| 31 | + for (i = 2; i < NF; i++) { |
| 32 | + print $i |
| 33 | + } |
| 34 | + } |
| 35 | + ') |
| 36 | + ) |
| 37 | +} |
| 38 | + |
| 39 | +cat <<-EOH |
| 40 | +# this file is generated via https://github.com/docker-library/postgres/blob/$(fileCommit "$self")/$self |
| 41 | +
|
| 42 | +Maintainers: Tianon Gravi <admwiggin@gmail.com> (@tianon), |
| 43 | + Joseph Ferguson <yosifkit@gmail.com> (@yosifkit) |
| 44 | +GitRepo: https://github.com/docker-library/postgres.git |
| 45 | +EOH |
| 46 | + |
| 47 | +# prints "$2$1$3$1...$N" |
| 48 | +join() { |
| 49 | + local sep="$1"; shift |
| 50 | + local out; printf -v out "${sep//%/%%}%s" "$@" |
| 51 | + echo "${out#$sep}" |
| 52 | +} |
15 | 53 |
|
16 | 54 | for version in "${versions[@]}"; do |
17 | | - commit="$(cd "$version" && git log -1 --format='format:%H' -- Dockerfile $(awk 'toupper($1) == "COPY" { for (i = 2; i < NF; i++) { print $i } }' Dockerfile))" |
18 | | - fullVersion="$(grep -m1 'ENV PG_VERSION ' "$version/Dockerfile" | cut -d' ' -f3 | cut -d- -f1 | sed 's/~/-/g')" |
19 | | - versionAliases=( $fullVersion $version ${aliases[$version]} ) |
20 | | - |
21 | | - echo |
22 | | - for va in "${versionAliases[@]}"; do |
23 | | - echo "$va: ${url}@${commit} $version" |
| 55 | + commit="$(dirCommit "$version")" |
| 56 | + |
| 57 | + fullVersion="$(git show "$commit":"$version/Dockerfile" | awk '$1 == "ENV" && $2 == "PG_VERSION" { gsub(/-.*$/, "", $3); gsub(/~/, "-", $3); print $3; exit }')" |
| 58 | + |
| 59 | + versionAliases=() |
| 60 | + while [ "$fullVersion" != "$version" -a "${fullVersion%[.-]*}" != "$fullVersion" ]; do |
| 61 | + versionAliases+=( $fullVersion ) |
| 62 | + fullVersion="${fullVersion%[.-]*}" |
24 | 63 | done |
| 64 | + versionAliases+=( |
| 65 | + $version |
| 66 | + ${aliases[$version]:-} |
| 67 | + ) |
| 68 | + |
| 69 | + echo |
| 70 | + cat <<-EOE |
| 71 | + Tags: $(join ', ' "${versionAliases[@]}") |
| 72 | + GitCommit: $commit |
| 73 | + Directory: $version |
| 74 | + EOE |
25 | 75 | done |
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