official-images/.github/workflows/generate.sh

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#!/usr/bin/env bash
set -Eeuo pipefail
#
# NOTE: this is *not* a good example for integrating these tests into your own repository!
# If you want that, check out https://github.com/docker-library/golang/blob/3f2c52653043f067156ce4f41182c2a758c4c857/.github/workflows/ci.yml instead.
#
[ -d "$BASHBREW_SCRIPTS/github-actions" ]
if [ "$#" -eq 0 ]; then
git fetch --quiet https://github.com/docker-library/official-images.git master
changes="$(git diff --no-renames --name-only --diff-filter='d' FETCH_HEAD...HEAD -- library/)"
repos="$(xargs -rn1 basename <<<"$changes")"
set -- $repos
fi
strategy='{}'
for repo; do
newStrategy="$(GITHUB_REPOSITORY="$repo" GENERATE_STACKBREW_LIBRARY='cat "library/$GITHUB_REPOSITORY"' "$BASHBREW_SCRIPTS/github-actions/generate.sh")"
newStrategy="$(jq -c --arg repo "$repo" '.matrix.include = [
.matrix.include[]
| ([ .meta.entries[].tags[0] ]) as $tags
| .name = ($tags | join(", "))
# replace "build" steps with something that uses "bashbrew" instead of "docker build"
# https://github.com/docker-library/bashbrew/blob/20b5a50a4eafee1e92fadca5f9cbbce6b16d80b1/scripts/github-actions/generate.sh#L79-L105
| .runs.build = (
(if .os | startswith("windows-") then "export BASHBREW_ARCH=windows-amd64 BASHBREW_CONSTRAINTS=" + ([ .meta.entries[].constraints[] ] | join(", ") | @sh) + "\n" else "" end)
+ "export BASHBREW_LIBRARY=\"$PWD/library\"\n"
+ ([ $tags[] | "bashbrew build " + @sh ] | join("\n"))
)
# use our local clone of official-images for running tests (so test changes can be tested too, if they live in the PR with the image change)
# https://github.com/docker-library/bashbrew/blob/a40a54d4d81b9fd2e39b4d7ba3fe203e8b022a67/scripts/github-actions/generate.sh#L95
| .runs.test |= gsub("[^\n\t ]+/run[.]sh "; "./test/run.sh ")
]' <<<"$newStrategy")"
jq -c . <<<"$newStrategy" > /dev/null # sanity check
strategy="$(jq -c '
# https://stackoverflow.com/a/53666584/433558
def meld(a; b):
if (a | type) == "object" and (b | type) == "object" then
# for some reason, "a" and "b" go out of scope for reduce??
a as $a | b as $b |
reduce (a + b | keys_unsorted[]) as $k
({}; .[$k] = meld($a[$k]; $b[$k]))
elif (a | type) == "array" and (b | type) == "array" then
a + b
elif b == null then
a
else
b
end;
meld(.[0]; .[1])
' <<<"[$strategy,$newStrategy]")"
done
jq -c . <<<"$strategy" > /dev/null # sanity check
if [ -t 1 ]; then
jq <<<"$strategy"
else
cat <<<"$strategy"
fi