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attrsum/script/lint
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Run lint and tests as phases of the Dockerfile (closes #5)
The Dockerfile gets a lint phase on the pinned golangci-lint v2.12.2
image and a test phase on the Debian Go image. The tests run as an
unprivileged user, because root reads a file with mode 0000 and the
permission test then fails. The build stage copies a file from each
phase, so no build finishes unless both pass, and it no longer runs
make check. script/lint and script/test each build their phase,
uncached and tagged; script/cibuild bootstraps, runs script/check, then
builds the image. script/bootstrap no longer installs golangci-lint.
README.md and TODO.md describe the new setup.

Model: opus-5-5
2026-10-06 02:08:36 +00:00

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#!/bin/sh
# script/lint: run the linter. Linting is a phase of the Dockerfile and
# this builds that phase alone; the linter is never installed or run on
# a developer host, where a shared result cache and a host-global lock
# make its answer untrustworthy.
#
# The phase is not the last stage in the file, so it is built only when
# --target names it. --no-cache because a cached lint layer is a lint
# that did not run. The tag makes each build replace the previous image
# instead of leaving a dangling one behind.
set -eu
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd -P)"
ROOT="$(cd "$SCRIPT_DIR/.." && pwd -P)"
main() {
cd "$ROOT"
docker build --no-cache \
--target lint \
-t "$("$SCRIPT_DIR/projectname")-lint" .
}
main "$@"