73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
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//+build mage
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package main
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import (
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"bytes"
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"errors"
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"fmt"
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"os"
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"time"
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"github.com/magefile/mage/sh"
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)
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// Runs "go install" for mage. This generates the version info the binary.
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func Build() error {
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ldf, err := flags()
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if err != nil {
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return err
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}
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return sh.Run("go", "install", "-ldflags="+ldf, "github.com/magefile/mage")
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}
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// Generates a new release. Expects the TAG environment variable to be set,
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// which will create a new tag with that name.
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func Release() (err error) {
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if os.Getenv("TAG") == "" {
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return errors.New("MSG and TAG environment variables are required")
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}
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if err := sh.RunV("git", "tag", "-a", "$TAG"); err != nil {
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return err
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}
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if err := sh.RunV("git", "push", "origin", "$TAG"); err != nil {
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return err
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}
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defer func() {
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if err != nil {
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sh.RunV("git", "tag", "--delete", "$TAG")
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sh.RunV("git", "push", "--delete", "origin", "$TAG")
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}
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}()
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return sh.RunV("goreleaser")
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}
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// Remove the temporarily generated files from Release.
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func Clean() error {
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return sh.Rm("dist")
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}
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func flags() (string, error) {
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timestamp := time.Now().Format(time.RFC3339)
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hash := hash()
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tag := tag()
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if tag == "" {
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tag = "dev"
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}
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return fmt.Sprintf(`-X "github.com/magefile/mage/mage.timestamp=%s" -X "github.com/magefile/mage/mage.commitHash=%s" -X "github.com/magefile/mage/mage.gitTag=%s"`, timestamp, hash, tag), nil
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}
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// tag returns the git tag for the current branch or "" if none.
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func tag() string {
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buf := &bytes.Buffer{}
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_, _ = sh.Exec(nil, buf, nil, "git", "describe", "--tags")
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return buf.String()
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}
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// hash returns the git hash for the current repo or "" if none.
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func hash() string {
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hash, _ := sh.Output("git", "rev-parse", "--short", "HEAD")
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return hash
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}
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