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September 5, 2024 04:51
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Upgrade Go modules with Dockerfile builds
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| #!/bin/bash | |
| set -o errexit | |
| # Assumes the latest version of Go is installed on the PATH. | |
| # Finds all go.mod files under the current working directory and upgrades the | |
| # Go modules to the latest version of Go and upgrades all their Go dependencies | |
| # too. | |
| # Then finds the Dockerfile in the go.mod file's parent directory and updates | |
| # the "FROM golang" line to the latest version of Go and also updates the "RUN" | |
| # line that installs golangci-lint to use the latest version of that tool. | |
| find_golangci_lint_version () { | |
| curl -sL \ | |
| -H "Accept: application/vnd.github+json" \ | |
| -H "X-GitHub-Api-Version: 2022-11-28" \ | |
| https://api.github.com/repos/golangci/golangci-lint/releases \ | |
| | grep -m1 -Eo 'https://api\.github\.com/repos/golangci/golangci-lint/tarball/v[^"]*' \ | |
| | cut -d'/' -f8 | |
| } | |
| process_dockerfile () { | |
| local dockerfile="$1" | |
| printf 'Processing %s...\n' "${dockerfile}" | |
| # Set FROM golang line to new golang version | |
| sed -E -e 's/^FROM\s+golang:\S+/FROM golang:'"${GO_VERSION}"'/i' -i "${dockerfile}" | |
| # Ensure golangci-lint install is done on one lint | |
| sed -E -e '\,^RUN\s.*golangci-lint/master/install\.sh\s*\|\s*\\$,{N;s,\s*\\\n\s*, ,}' -i "${dockerfile}" | |
| # Set golangci-lint install to new version | |
| sed -E -e 's,^(RUN\s.*golangci-lint/master/install\.sh\s*\|\s*sh\s.*\s)v[0-9\.]+\s*$,\1'"${GOLANGCI_LINT_VERSION}"',' -i "${dockerfile}" | |
| } | |
| process_go_mod () { | |
| local go_mod="$1" app_dir dockerfile | |
| app_dir=$(dirname "${go_mod}") | |
| printf 'Processing %s...\n' "${go_mod}" | |
| ( | |
| cd "${app_dir}" | |
| go mod download | |
| go mod tidy | |
| go get go@"${GO_VERSION}" | |
| go get -u ./... | |
| go mod tidy | |
| ) | |
| dockerfile="${app_dir}/Dockerfile" | |
| if [ ! -s "${dockerfile}" ]; then | |
| dockerfile="${app_dir}/../Dockerfile" | |
| fi | |
| if [ -s "${dockerfile}" ]; then | |
| process_dockerfile "${dockerfile}" | |
| fi | |
| } | |
| main () { | |
| declare -g GO_VERSION GOLANGCI_LINT_VERSION | |
| GO_VERSION=$( | |
| go version \ | |
| | awk '/^go version go1/ {print $3}' \ | |
| | head -n1 \ | |
| | sed 's/^go//' | |
| ) | |
| if [ -z "${GO_VERSION}" ]; then | |
| printf 'Local Go version not found. Installed desired version of Go locally.\n' >&2 | |
| return 1 | |
| fi | |
| GOLANGCI_LINT_VERSION=$(find_golangci_lint_version) | |
| if [ -z "${GOLANGCI_LINT_VERSION}" ]; then | |
| printf 'Latest golangci-lint version not found on GitHub.\n' >&2 | |
| return 1 | |
| fi | |
| printf 'Searching under %s...\n' "${PWD}" | |
| printf 'Upgrading Go apps to v%s \n' "${GO_VERSION}" | |
| printf 'Upgrading golangci-lint to v%s \n' "${GOLANGCI_LINT_VERSION}" | |
| local go_mod | |
| while IFS= read -d '' -r go_mod; do | |
| process_go_mod "${go_mod}" | |
| done < <( | |
| find . -xdev -type f -name go.mod -print0 | sort -z | |
| ) | |
| } | |
| main "$@" | |
| # TODO go install golang.org/x/vuln/cmd/govulncheck@v1.1.3 | |
| # TODO RUN go run github.com/google/wire/cmd/wire diff |
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