98 lines
2.7 KiB
Go
98 lines
2.7 KiB
Go
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//go:generate go run related_versions.go
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package main
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import (
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"encoding/json"
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"fmt"
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"github.com/fastenhealth/fasten-onprem/backend/pkg/version"
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"golang.org/x/mod/modfile"
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"io/ioutil"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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)
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const relativeToRepoRoot = "../../"
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func main() {
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log.Printf("generating related_versions.json file...")
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relatedVersions, err := getRelatedVersions()
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if err != nil {
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log.Fatalf("could not get version info: %s", err)
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}
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//remove fasten- prefix from keys
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newRelatedVersion := map[string]string{}
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for k, v := range relatedVersions {
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newRelatedVersion[strings.TrimPrefix(k, "fasten-")] = v
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}
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relatedVersionsJson, err := json.Marshal(newRelatedVersion)
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if err != nil {
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log.Fatalf("could not write related version info: %s", err)
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}
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err = os.WriteFile(filepath.Join(relativeToRepoRoot, "backend/resources", "related_versions.json"), relatedVersionsJson, 0644)
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if err != nil {
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log.Fatalf("could not write version info json: %s", err)
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}
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}
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func getRelatedVersions() (map[string]string, error) {
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goModBytes, err := ioutil.ReadFile(filepath.Join(relativeToRepoRoot, "go.mod"))
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if err != nil {
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return nil, fmt.Errorf("could not read go.mod file: %w", err)
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}
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modFile, err := modfile.Parse("go.mod", goModBytes, nil)
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if err != nil {
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return nil, fmt.Errorf("could not parse go.mod file: %w", err)
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}
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fastenOnpremVersion := version.VERSION
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fastenSourcesVersion := findDependencyVersion("github.com/fastenhealth/fasten-sources", modFile)
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return map[string]string{
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"fasten-onprem": fastenOnpremVersion,
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"fasten-sources": fastenSourcesVersion,
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}, nil
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}
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func findDependencyVersion(modulePath string, modFile *modfile.File) string {
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//check replacements first by iterating through the replace statements
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for _, replace := range modFile.Replace {
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if replace.Old.Path == modulePath {
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if len(replace.New.Version) > 0 {
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return replace.New.Version
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} else {
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relativeNewPath := filepath.Join(relativeToRepoRoot, replace.New.Path)
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log.Printf("Attempting to get git version for %s", relativeNewPath)
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//replace.New.Path is a relative path to the dependency directory
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//use git describe --tags command
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gitCommand := exec.Command("git", "describe", "--tags")
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gitCommand.Dir = relativeNewPath
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gitCommandOutput := new(strings.Builder)
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gitCommand.Stdout = gitCommandOutput
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gitCommand.Run()
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return strings.TrimSpace(gitCommandOutput.String())
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}
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}
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}
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//find modulePath dependency in modFile Require
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for _, require := range modFile.Require {
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if require.Mod.Path == modulePath {
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//strip "v" prefix from version
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if strings.HasPrefix(require.Mod.Version, "v") {
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return require.Mod.Version[1:]
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} else {
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return require.Mod.Version
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}
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}
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}
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return "unknown"
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}
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