76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
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// +build mage
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package main
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import (
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"context"
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"log"
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"os"
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"os/exec"
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"strings"
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"github.com/jtolds/qod"
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"github.com/pkg/errors"
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)
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var wd string
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func init() {
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lwd, err := os.Getwd()
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qod.ANE(err)
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wd = lwd
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}
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// must end in a slash
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const pkgBase = "github.com/Xe/site/"
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func output(cmd string, args ...string) (string, error) {
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c := exec.Command(cmd, args...)
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c.Env = os.Environ()
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c.Stderr = os.Stderr
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b, err := c.Output()
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if err != nil {
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return "", errors.Wrapf(err, `failed to run %v %q`, cmd, args)
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}
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return string(b), nil
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}
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func gitTag() (string, error) {
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s, err := output("git", "describe", "--tags")
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if err != nil {
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ee, ok := errors.Cause(err).(*exec.ExitError)
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if ok && ee.Exited() {
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// probably no git tag
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return "dev", nil
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}
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return "", err
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}
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return strings.TrimSuffix(s, "\n"), nil
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}
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func shouldWork(ctx context.Context, env []string, dir string, cmdName string, args ...string) {
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loc, err := exec.LookPath(cmdName)
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qod.ANE(err)
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cmd := exec.CommandContext(ctx, loc, args...)
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cmd.Dir = dir
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cmd.Env = append(env, os.Environ()...)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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log.Printf("starting process, env: %v, pwd: %s, cmd: %s, args: %v", env, dir, loc, args)
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err = cmd.Run()
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qod.ANE(err)
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}
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func goBuild(ctx context.Context, env []string, dir string, pkgname string) {
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shouldWork(ctx, env, dir, "go", "build", "-v", pkgBase+pkgname)
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}
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func goInstall(ctx context.Context, env []string, pkgname string) {
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shouldWork(ctx, nil, wd, "go", "install", pkgBase+pkgname)
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}
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