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`.dockerignore`, `.gitignore`, `.golangci.yml` and the workflow are their copies at that commit. This repo's own entries are kept after the canonical content: the anchored `/attrsum` binary, the Go entries in `.gitignore`, and tabs for `*.go` in the new `.editorconfig`. `REPO_POLICIES.md` is new. The workflow keeps `fetch-depth: 0`, which the policies require of a repo that stamps a tag-derived version. The lint phase moves to golangci-lint v2.14.0. `script/bootstrap` installs goimports with `go install` at its pinned commit unless the installed binary already has the pinned version, read with `go version -m`. It and `script/fmt` put Go's bin directory on `PATH` first, since the CI runner's `PATH` lacks it. Model: opus-5-5
109 lines
3.2 KiB
Bash
Executable File
109 lines
3.2 KiB
Bash
Executable File
#!/bin/sh
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# script/bootstrap: install all dependencies needed to build and develop
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# this repo. Idempotent: every install is guarded by a check so already
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# installed tools are skipped. Base tooling comes from nix, apt, brew,
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# or apk (detected in that order); assumes nothing is present.
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# goimports is installed via `go install` at a pinned commit (never
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# "latest"), unless the installed one already has the pinned version.
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# The linter is not installed: it runs only as the lint phase of the
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# Dockerfile.
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set -eu
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ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
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# Pinned versions, 2026-10-05
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# GOIMPORTS_REF is the commit tagged GOIMPORTS_VERSION.
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GOIMPORTS_VERSION="v0.42.0"
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GOIMPORTS_REF="golang.org/x/tools/cmd/goimports@009367f5c17a8d4c45a961a3a509277190a9a6f0"
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PKGMGR=""
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SUDO=""
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APT_UPDATED=""
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detect_pkgmgr() {
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[ -n "$PKGMGR" ] && return 0
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if command -v nix-env >/dev/null 2>&1; then
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PKGMGR="nix"
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elif command -v apt-get >/dev/null 2>&1; then
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PKGMGR="apt"
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elif command -v brew >/dev/null 2>&1; then
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PKGMGR="brew"
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elif command -v apk >/dev/null 2>&1; then
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PKGMGR="apk"
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else
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echo "bootstrap: no supported package manager (nix, apt, brew, apk)" >&2
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exit 1
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fi
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if [ "$PKGMGR" = "apt" ]; then
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export DEBIAN_FRONTEND=noninteractive
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if [ "$(id -u)" != "0" ]; then
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SUDO="sudo"
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fi
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fi
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}
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# pkg_install <nix-attr> <apt-pkg> <brew-formula> <apk-pkg>
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pkg_install() {
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detect_pkgmgr
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case "$PKGMGR" in
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nix) nix-env -iA "nixpkgs.$1" ;;
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apt)
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if [ -z "$APT_UPDATED" ]; then
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$SUDO env DEBIAN_FRONTEND=noninteractive apt-get update
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APT_UPDATED=1
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fi
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$SUDO env DEBIAN_FRONTEND=noninteractive apt-get install -y "$2"
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;;
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brew) brew install "$3" ;;
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apk) apk add --no-cache "$4" ;;
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esac
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}
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missing() {
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! command -v "$1" >/dev/null 2>&1
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}
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# Print the version the goimports on PATH was built from, or nothing.
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# goimports has no version flag; `go version -m` reads the binary's
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# build info, whose "mod" line names the module and its version.
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goimports_version() {
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if missing goimports; then return 0; fi
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go version -m "$(command -v goimports)" 2>/dev/null |
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awk '$1 == "mod" { print $3 }'
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}
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ensure_goimports() {
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if [ "$(goimports_version)" = "$GOIMPORTS_VERSION" ]; then
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echo "goimports $GOIMPORTS_VERSION already installed"
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return 0
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fi
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go install "$GOIMPORTS_REF"
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hash -r
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if [ "$(goimports_version)" != "$GOIMPORTS_VERSION" ]; then
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echo "bootstrap: goimports on PATH is not $GOIMPORTS_VERSION:" \
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"$(command -v goimports)" >&2
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exit 1
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fi
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echo "goimports $GOIMPORTS_VERSION installed"
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}
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main() {
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cd "$ROOT"
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if missing git; then pkg_install git git git git; fi
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if missing make; then pkg_install gnumake make make make; fi
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if missing go; then pkg_install go golang go go; fi
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# go install writes to Go's bin directory, which need not be on PATH.
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gobin="$(go env GOBIN)"
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[ -n "$gobin" ] || gobin="$(go env GOPATH)/bin"
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PATH="$gobin:$PATH"
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ensure_goimports
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go mod download
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echo "bootstrap complete"
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}
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main "$@"
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