mirror of
https://github.com/moby/buildkit.git
synced 2026-06-24 08:47:57 +00:00
35 lines
891 B
Docker
35 lines
891 B
Docker
# syntax=docker/dockerfile-upstream:master
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ARG NODE_VERSION=24
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FROM node:${NODE_VERSION}-alpine AS base
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RUN apk add --no-cache git
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WORKDIR /src
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FROM base AS doctoc
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# DOCTOC_VERSION is the version of doctoc to install
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# see https://github.com/thlorenz/doctoc/tags for available releases.
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ARG DOCTOC_VERSION=v2.4.1
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RUN npm install -g doctoc@${DOCTOC_VERSION#v}
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RUN --mount=type=bind,source=README.md,target=README.md,rw <<EOT
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set -e
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doctoc README.md
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mkdir /out
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cp README.md /out/
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EOT
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FROM scratch AS update
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COPY --from=doctoc /out /
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FROM base AS validate-toc
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RUN --mount=type=bind,target=.,rw \
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--mount=type=bind,from=doctoc,source=/out/README.md,target=./README.md <<EOT
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set -e
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if [ -n "$(git status --porcelain -- 'README.md')" ]; then
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echo >&2 'ERROR: The result of "doctoc" differs. Please update with "make doctoc"'
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git diff -- README.md
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exit 1
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fi
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EOT
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