buildx/hack/dockerfiles/authors.Dockerfile

35 lines
894 B
Docker

# syntax=docker/dockerfile:1
ARG ALPINE_VERSION=3.20
FROM alpine:${ALPINE_VERSION} AS gen
RUN apk add --no-cache git
WORKDIR /src
RUN --mount=type=bind,target=. <<EOT
set -e
mkdir /out
# see also ".mailmap" for how email addresses and names are deduplicated
{
echo "# This file lists all individuals having contributed content to the repository."
echo "# For how it is generated, see hack/dockerfiles/authors.Dockerfile."
echo
git log --format='%aN <%aE>' | LC_ALL=C.UTF-8 sort -uf
} > /out/AUTHORS
cat /out/AUTHORS
EOT
FROM scratch AS update
COPY --from=gen /out /
FROM gen AS validate
RUN --mount=type=bind,target=.,rw <<EOT
set -e
git add -A
cp -rf /out/* .
if [ -n "$(git status --porcelain -- AUTHORS)" ]; then
echo >&2 'ERROR: Authors result differs. Please update with "make authors"'
git status --porcelain -- AUTHORS
exit 1
fi
EOT