mirror of
https://github.com/goreleaser/goreleaser.git
synced 2025-01-18 03:56:52 +02:00
549 lines
13 KiB
Go
549 lines
13 KiB
Go
package nix
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import (
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"bufio"
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"bytes"
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"fmt"
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"os"
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"os/exec"
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"path"
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"path/filepath"
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"sort"
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"strings"
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"text/template"
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"github.com/caarlos0/log"
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"github.com/goreleaser/goreleaser/internal/artifact"
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"github.com/goreleaser/goreleaser/internal/client"
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"github.com/goreleaser/goreleaser/internal/commitauthor"
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"github.com/goreleaser/goreleaser/internal/pipe"
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"github.com/goreleaser/goreleaser/internal/tmpl"
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"github.com/goreleaser/goreleaser/pkg/config"
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"github.com/goreleaser/goreleaser/pkg/context"
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)
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const nixConfigExtra = "NixConfig"
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type errNoArchivesFound struct {
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goamd64 string
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ids []string
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}
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func (e errNoArchivesFound) Error() string {
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return fmt.Sprintf("no archives found matching goos=[darwin linux] goarch=[amd64 arm arm64 386] goarm=[6 7] goamd64=%s ids=%v", e.goamd64, e.ids)
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}
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var (
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errNoRepoName = pipe.Skip("repository name is not set")
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errSkipUpload = pipe.Skip("nix.skip_upload is set")
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errSkipUploadAuto = pipe.Skip("nix.skip_upload is set to 'auto', and current version is a pre-release")
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)
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// NewBuild returns a pipe to be used in the build phase.
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func NewBuild() Pipe {
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return Pipe{buildShaPrefetcher{}}
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}
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// NewPublish returns a pipe to be used in the publish phase.
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func NewPublish() Pipe {
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return Pipe{publishShaPrefetcher{
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bin: nixPrefetchURLBin,
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}}
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}
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type Pipe struct {
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prefetcher shaPrefetcher
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}
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func (Pipe) String() string { return "nixpkgs" }
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func (Pipe) ContinueOnError() bool { return true }
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func (Pipe) Dependencies(_ *context.Context) []string { return []string{"nix-prefetch-url"} }
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func (p Pipe) Skip(ctx *context.Context) bool {
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return len(ctx.Config.Nix) == 0 || !p.prefetcher.Available()
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}
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func (Pipe) Default(ctx *context.Context) error {
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for i := range ctx.Config.Nix {
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nix := &ctx.Config.Nix[i]
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nix.CommitAuthor = commitauthor.Default(nix.CommitAuthor)
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if nix.CommitMessageTemplate == "" {
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nix.CommitMessageTemplate = "{{ .ProjectName }}: {{ .PreviousTag }} -> {{ .Tag }}"
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}
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if nix.Name == "" {
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nix.Name = ctx.Config.ProjectName
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}
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if nix.Goamd64 == "" {
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nix.Goamd64 = "v1"
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}
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}
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return nil
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}
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func (p Pipe) Run(ctx *context.Context) error {
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cli, err := client.New(ctx)
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if err != nil {
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return err
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}
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return p.runAll(ctx, cli)
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}
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// Publish .
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func (p Pipe) Publish(ctx *context.Context) error {
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cli, err := client.New(ctx)
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if err != nil {
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return err
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}
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return p.publishAll(ctx, cli)
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}
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func (p Pipe) runAll(ctx *context.Context, cli client.Client) error {
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for _, nix := range ctx.Config.Nix {
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err := p.doRun(ctx, nix, cli)
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if err != nil {
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return err
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}
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}
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return nil
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}
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func (p Pipe) publishAll(ctx *context.Context, cli client.Client) error {
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skips := pipe.SkipMemento{}
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for _, nix := range ctx.Artifacts.Filter(artifact.ByType(artifact.Nixpkg)).List() {
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err := doPublish(ctx, p.prefetcher, cli, nix)
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if err != nil && pipe.IsSkip(err) {
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skips.Remember(err)
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continue
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}
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if err != nil {
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return err
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}
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}
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return skips.Evaluate()
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}
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func (p Pipe) doRun(ctx *context.Context, nix config.Nix, cl client.ReleaserURLTemplater) error {
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if nix.Repository.Name == "" {
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return errNoRepoName
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}
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tp := tmpl.New(ctx)
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err := tp.ApplyAll(
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&nix.Name,
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&nix.SkipUpload,
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&nix.Homepage,
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&nix.Description,
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&nix.Path,
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)
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if err != nil {
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return err
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}
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nix.Repository, err = client.TemplateRef(tmpl.New(ctx).Apply, nix.Repository)
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if err != nil {
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return err
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}
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if nix.Path == "" {
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nix.Path = path.Join("pkgs", nix.Name, "default.nix")
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}
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path := filepath.Join(ctx.Config.Dist, "nix", nix.Path)
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if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
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return err
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}
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content, err := preparePkg(ctx, nix, cl, p.prefetcher)
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if err != nil {
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return err
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}
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log.WithField("nixpkg", path).Info("writing")
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if err := os.WriteFile(path, []byte(content), 0o644); err != nil { //nolint: gosec
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return fmt.Errorf("failed to write nixpkg: %w", err)
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}
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ctx.Artifacts.Add(&artifact.Artifact{
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Name: filepath.Base(path),
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Path: path,
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Type: artifact.Nixpkg,
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Extra: map[string]interface{}{
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nixConfigExtra: nix,
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},
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})
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return nil
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}
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func preparePkg(
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ctx *context.Context,
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nix config.Nix,
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cli client.ReleaserURLTemplater,
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prefetcher shaPrefetcher,
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) (string, error) {
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filters := []artifact.Filter{
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artifact.Or(
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artifact.ByGoos("darwin"),
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artifact.ByGoos("linux"),
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),
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artifact.Or(
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artifact.And(
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artifact.ByGoarch("amd64"),
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artifact.ByGoamd64(nix.Goamd64),
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),
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artifact.And(
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artifact.ByGoarch("arm"),
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artifact.Or(
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artifact.ByGoarm("6"),
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artifact.ByGoarm("7"),
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),
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),
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artifact.ByGoarch("arm64"),
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artifact.ByGoarch("386"),
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artifact.ByGoarch("all"),
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),
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artifact.And(
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artifact.ByFormats("zip", "tar.gz"),
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artifact.ByType(artifact.UploadableArchive),
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),
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artifact.OnlyReplacingUnibins,
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}
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if len(nix.IDs) > 0 {
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filters = append(filters, artifact.ByIDs(nix.IDs...))
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}
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archives := ctx.Artifacts.Filter(artifact.And(filters...)).List()
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if len(archives) == 0 {
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return "", errNoArchivesFound{
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goamd64: nix.Goamd64,
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ids: nix.IDs,
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}
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}
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if nix.URLTemplate == "" {
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url, err := cli.ReleaseURLTemplate(ctx)
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if err != nil {
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return "", err
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}
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nix.URLTemplate = url
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}
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installs, err := installs(ctx, nix, archives[0])
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if err != nil {
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return "", err
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}
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postInstall, err := postInstall(ctx, nix, archives[0])
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if err != nil {
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return "", err
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}
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folder := artifact.ExtraOr(*archives[0], artifact.ExtraWrappedIn, ".")
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if folder == "" {
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folder = "."
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}
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inputs := []string{"installShellFiles"}
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if len(nix.Dependencies) > 0 {
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inputs = append(inputs, "makeWrapper")
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}
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data := templateData{
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Name: nix.Name,
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Version: ctx.Version,
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Install: installs,
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PostInstall: postInstall,
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Archives: map[string]Archive{},
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SourceRoot: folder,
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Description: nix.Description,
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Homepage: nix.Homepage,
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License: nix.License,
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Inputs: inputs,
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Dependencies: depNames(nix.Dependencies),
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}
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platforms := map[string]bool{}
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for _, art := range archives {
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url, err := tmpl.New(ctx).WithArtifact(art).Apply(nix.URLTemplate)
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if err != nil {
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return "", err
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}
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sha, err := prefetcher.Prefetch(url)
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if err != nil {
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return "", err
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}
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archive := Archive{
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URL: url,
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Sha: sha,
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}
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for _, goarch := range expandGoarch(art.Goarch) {
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data.Archives[art.Goos+goarch+art.Goarm] = archive
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plat := goosToPlatform[art.Goos+goarch+art.Goarm]
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platforms[plat] = true
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}
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}
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data.Platforms = keys(platforms)
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sort.Strings(data.Platforms)
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return doBuildPkg(ctx, data)
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}
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func expandGoarch(goarch string) []string {
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if goarch == "all" {
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return []string{"amd64", "arm64"}
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}
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return []string{goarch}
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}
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var goosToPlatform = map[string]string{
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"linuxamd64": "x86_64-linux",
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"linuxarm64": "aarch64-linux",
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"linuxarm6": "armv6l-linux",
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"linuxarm7": "armv7l-linux",
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"linux386": "i686-linux",
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"darwinamd64": "x86_64-darwin",
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"darwinarm64": "aarch64-darwin",
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}
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func keys(m map[string]bool) []string {
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keys := make([]string, 0, len(m))
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for k := range m {
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keys = append(keys, k)
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}
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return keys
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}
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func doPublish(ctx *context.Context, prefetcher shaPrefetcher, cl client.Client, pkg *artifact.Artifact) error {
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nix, err := artifact.Extra[config.Nix](*pkg, nixConfigExtra)
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if err != nil {
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return err
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}
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if strings.TrimSpace(nix.SkipUpload) == "true" {
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return errSkipUpload
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}
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if strings.TrimSpace(nix.SkipUpload) == "auto" && ctx.Semver.Prerelease != "" {
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return errSkipUploadAuto
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}
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repo := client.RepoFromRef(nix.Repository)
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gpath := nix.Path
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msg, err := tmpl.New(ctx).Apply(nix.CommitMessageTemplate)
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if err != nil {
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return err
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}
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author, err := commitauthor.Get(ctx, nix.CommitAuthor)
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if err != nil {
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return err
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}
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content, err := preparePkg(ctx, nix, cl, prefetcher)
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if err != nil {
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return err
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}
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if nix.Repository.Git.URL != "" {
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return client.NewGitUploadClient(repo.Branch).
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CreateFile(ctx, author, repo, []byte(content), gpath, msg)
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}
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cl, err = client.NewIfToken(ctx, cl, nix.Repository.Token)
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if err != nil {
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return err
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}
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if !nix.Repository.PullRequest.Enabled {
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return cl.CreateFile(ctx, author, repo, []byte(content), gpath, msg)
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}
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log.Info("nix.pull_request enabled, creating a PR")
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pcl, ok := cl.(client.PullRequestOpener)
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if !ok {
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return fmt.Errorf("client does not support pull requests")
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}
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if err := cl.CreateFile(ctx, author, repo, []byte(content), gpath, msg); err != nil {
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return err
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}
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return pcl.OpenPullRequest(ctx, client.Repo{
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Name: nix.Repository.PullRequest.Base.Name,
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Owner: nix.Repository.PullRequest.Base.Owner,
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Branch: nix.Repository.PullRequest.Base.Branch,
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}, repo, msg, nix.Repository.PullRequest.Draft)
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}
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func doBuildPkg(ctx *context.Context, data templateData) (string, error) {
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t, err := template.
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New(data.Name).
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Parse(string(pkgTmpl))
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if err != nil {
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return "", err
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}
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var out bytes.Buffer
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if err := t.Execute(&out, data); err != nil {
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return "", err
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}
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content, err := tmpl.New(ctx).Apply(out.String())
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if err != nil {
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return "", err
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}
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out.Reset()
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// Sanitize the template output and get rid of trailing whitespace.
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var (
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r = strings.NewReader(content)
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s = bufio.NewScanner(r)
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)
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for s.Scan() {
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l := strings.TrimRight(s.Text(), " ")
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_, _ = out.WriteString(l)
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_ = out.WriteByte('\n')
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}
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if err := s.Err(); err != nil {
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return "", err
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}
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return out.String(), nil
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}
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func postInstall(ctx *context.Context, nix config.Nix, art *artifact.Artifact) ([]string, error) {
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applied, err := tmpl.New(ctx).WithArtifact(art).Apply(nix.PostInstall)
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if err != nil {
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return nil, err
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}
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return split(applied), nil
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}
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func installs(ctx *context.Context, nix config.Nix, art *artifact.Artifact) ([]string, error) {
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applied, err := tmpl.New(ctx).WithArtifact(art).Apply(nix.Install)
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if err != nil {
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return nil, err
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}
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if applied != "" {
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return split(applied), nil
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}
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result := []string{"mkdir -p $out/bin"}
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binInstallFormat := binInstallFormats(nix)
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for _, bin := range artifact.ExtraOr(*art, artifact.ExtraBinaries, []string{}) {
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for _, format := range binInstallFormat {
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result = append(result, fmt.Sprintf(format, bin))
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}
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}
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log.WithField("install", result).Warnf("guessing install")
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applied, err = tmpl.New(ctx).WithArtifact(art).Apply(nix.ExtraInstall)
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if err != nil {
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return nil, err
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}
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if applied != "" {
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result = append(result, split(applied)...)
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}
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return result, nil
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}
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func binInstallFormats(nix config.Nix) []string {
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formats := []string{"cp -vr ./%[1]s $out/bin/%[1]s"}
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if len(nix.Dependencies) == 0 {
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return formats
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}
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var deps, linuxDeps, darwinDeps []string
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for _, dep := range nix.Dependencies {
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switch dep.OS {
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case "darwin":
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darwinDeps = append(darwinDeps, dep.Name)
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case "linux":
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linuxDeps = append(linuxDeps, dep.Name)
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default:
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deps = append(deps, dep.Name)
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}
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}
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var depStrings []string
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if len(darwinDeps) > 0 {
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depStrings = append(depStrings, fmt.Sprintf("lib.optionals stdenv.isDarwin [ %s ]", strings.Join(darwinDeps, " ")))
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}
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if len(linuxDeps) > 0 {
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depStrings = append(depStrings, fmt.Sprintf("lib.optionals stdenv.isLinux [ %s ]", strings.Join(linuxDeps, " ")))
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}
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if len(deps) > 0 {
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depStrings = append(depStrings, fmt.Sprintf("[ %s ]", strings.Join(deps, " ")))
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}
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depString := strings.Join(depStrings, " ++ ")
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return append(
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formats,
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"wrapProgram $out/bin/%[1]s --prefix PATH : ${lib.makeBinPath ("+depString+")}",
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)
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}
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func split(s string) []string {
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var result []string
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for _, line := range strings.Split(strings.TrimSpace(s), "\n") {
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line := strings.TrimSpace(line)
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if line == "" {
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continue
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}
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result = append(result, line)
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}
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return result
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}
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func depNames(deps []config.NixDependency) []string {
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var result []string
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for _, dep := range deps {
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result = append(result, dep.Name)
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}
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return result
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}
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type shaPrefetcher interface {
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Prefetch(url string) (string, error)
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Available() bool
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}
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const (
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zeroHash = "0000000000000000000000000000000000000000000000000000"
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nixPrefetchURLBin = "nix-prefetch-url"
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)
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type buildShaPrefetcher struct{}
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func (buildShaPrefetcher) Prefetch(_ string) (string, error) { return zeroHash, nil }
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func (buildShaPrefetcher) Available() bool { return true }
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type publishShaPrefetcher struct {
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bin string
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}
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func (p publishShaPrefetcher) Available() bool {
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_, err := exec.LookPath(p.bin)
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if err != nil {
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log.Warnf("%s is not available", p.bin)
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}
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return err == nil
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}
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func (p publishShaPrefetcher) Prefetch(url string) (string, error) {
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out, err := exec.Command(p.bin, url).Output()
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outStr := strings.TrimSpace(string(out))
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if err != nil {
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return "", fmt.Errorf("could not prefetch url: %s: %w: %s", url, err, outStr)
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}
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return outStr, nil
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}
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