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REPO_POLICIES.md no longer says a Go test phase's image holds every compiled package; with Go's build cache mounted, those stay in the mount. The comments in script/lint, script/test, script/cibuild and script/docker now say that a new CACHEBUST value reruns the RUN steps only because every stage of the Dockerfile declares ARG CACHEBUST first, and that a stage without the line is served from cache with no warning. NEW_REPO_CHECKLIST.md tells a new repository to add the scripts and every stage's ARG CACHEBUST line in the same commit, in place of re-vendoring them. Model: opus-5-5
24 lines
849 B
Bash
Executable File
24 lines
849 B
Bash
Executable File
#!/bin/sh
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# script/test: run the test suite. Testing is a phase of the Dockerfile
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# and this builds that phase alone, on the same terms as script/lint:
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# --target because a phase that is not the last stage is built only when
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# named, and a new CACHEBUST value because a cached test layer is a test
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# that did not run; unlike --no-cache, it keeps Go's build cache. This
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# relies on every stage of the Dockerfile declaring ARG CACHEBUST first;
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# a stage without that line is served from cache on an unchanged tree,
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# with no warning. --output type=cacheonly writes no image, since
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# nothing uses one.
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set -eu
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd -P)"
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ROOT="$(cd "$SCRIPT_DIR/.." && pwd -P)"
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main() {
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cd "$ROOT"
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docker build --build-arg CACHEBUST="$(date +%s)-$$" \
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--target test \
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--output type=cacheonly .
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}
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main "$@"
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