/
cp.go
100 lines (81 loc) · 1.94 KB
/
cp.go
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package cli
import (
"fmt"
"io"
"path/filepath"
"strings"
"github.com/convox/convox/pkg/common"
"github.com/convox/convox/sdk"
"github.com/convox/stdcli"
)
func init() {
register("cp", "copy files", Cp, stdcli.CommandOptions{
Flags: []stdcli.Flag{flagApp, flagRack},
Usage: "<[pid:]src> <[pid:]dst>",
Validate: stdcli.Args(2),
})
}
func Cp(rack sdk.Interface, c *stdcli.Context) error {
src := c.Arg(0)
dst := c.Arg(1)
r, err := cpSource(rack, c, src)
if err != nil {
return err
}
if err := cpDestination(rack, c, r, dst); err != nil {
return err
}
return nil
}
func cpDestination(rack sdk.Interface, c *stdcli.Context, r io.Reader, dst string) error {
parts := strings.SplitN(dst, ":", 2)
switch len(parts) {
case 1:
abs, err := filepath.Abs(parts[0])
if err != nil {
return err
}
rr, err := common.RebaseArchive(r, "/base", abs)
if err != nil {
return err
}
return common.Unarchive(rr, "/")
case 2:
if !strings.HasPrefix(parts[1], "/") {
return fmt.Errorf("must specify absolute paths for processes")
}
rr, err := common.RebaseArchive(r, "/base", parts[1])
if err != nil {
return err
}
return rack.FilesUpload(app(c), parts[0], rr)
default:
return fmt.Errorf("unknown destination: %s", dst)
}
}
func cpSource(rack sdk.Interface, c *stdcli.Context, src string) (io.Reader, error) {
parts := strings.SplitN(src, ":", 2)
switch len(parts) {
case 1:
abs, err := filepath.Abs(parts[0])
if err != nil {
return nil, err
}
r, err := common.Archive(abs)
if err != nil {
return nil, err
}
return common.RebaseArchive(r, abs, "/base")
case 2:
if !strings.HasPrefix(parts[1], "/") {
return nil, fmt.Errorf("must specify absolute paths for processes")
}
r, err := rack.FilesDownload(app(c), parts[0], parts[1])
if err != nil {
return nil, err
}
return common.RebaseArchive(r, parts[1], "/base")
default:
return nil, fmt.Errorf("unknown source: %s", src)
}
}