76 lines
1.8 KiB
Go
76 lines
1.8 KiB
Go
package vcs
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import (
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"bytes"
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"context"
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"encoding/json"
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"errors"
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"io"
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"io/ioutil"
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"os"
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"os/exec"
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"strconv"
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"strings"
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"time"
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)
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type cmdVCS struct {
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log logger
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module string
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cmd string
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}
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func NewCommand(l logger, cmd string, module string) VCS {
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return &cmdVCS{log: l, cmd: cmd, module: module}
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}
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func (c *cmdVCS) List(ctx context.Context) ([]Version, error) {
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b, err := c.exec(ctx, "MODULE="+c.module, "ACTION=list", "VERSION=latest", "FILEPATH="+c.module+"/@v/list")
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if err != nil {
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return nil, err
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}
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versions := []Version{}
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for _, line := range strings.Split(string(b), "\n") {
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versions = append(versions, Version(line))
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}
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return versions, nil
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}
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func (c *cmdVCS) Timestamp(ctx context.Context, version Version) (time.Time, error) {
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b, err := c.exec(ctx, "MODULE="+c.module, "ACTION=timestamp", "VERSION="+version.String(),
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"FILEPATH="+c.module+"/@v/"+version.String()+".info")
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if err != nil {
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return time.Time{}, err
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}
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info := struct {
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Version string
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Time time.Time
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}{}
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if json.Unmarshal(b, &info) == nil {
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return info.Time, nil
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}
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if t, err := time.Parse(time.RFC3339, string(b)); err == nil {
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return t, nil
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}
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if sec, err := strconv.ParseInt(string(b), 10, 64); err == nil {
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return time.Unix(sec, 0), nil
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}
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return time.Time{}, errors.New("unknown time format")
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}
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func (c *cmdVCS) Zip(ctx context.Context, version Version) (io.ReadCloser, error) {
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b, err := c.exec(ctx, "MODULE="+c.module, "ACTION=zip", "VERSION="+version.String(),
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"FILEPATH="+c.module+"/@v/"+version.String()+".zip")
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if err != nil {
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return nil, err
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}
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return ioutil.NopCloser(bytes.NewReader(b)), nil
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}
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func (c *cmdVCS) exec(ctx context.Context, env ...string) ([]byte, error) {
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cmd := exec.Command("sh", "-c", c.cmd)
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cmd.Env = append(os.Environ(), env...)
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cmd.Stderr = os.Stderr
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return cmd.Output()
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}
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