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cmd/tailscale: improve file cp error message in macOS GUI version

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Fixes tailscale/corp#1684

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2021-04-28 08:35:26 -07:00
parent 4512aad889
commit 1e6d512bf0
1 changed files with 4 additions and 0 deletions
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4
cmd/tailscale/cli/file.go
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@ -29,6 +29,7 @@ import (
"tailscale.com/client/tailscale" "tailscale.com/client/tailscale"
"tailscale.com/client/tailscale/apitype" "tailscale.com/client/tailscale/apitype"
"tailscale.com/ipn" "tailscale.com/ipn"
"tailscale.com/version"
) )
var fileCmd = &ffcli.Command{ var fileCmd = &ffcli.Command{
@ -131,6 +132,9 @@ func runCp(ctx context.Context, args []string) error {
} else { } else {
f, err := os.Open(fileArg) f, err := os.Open(fileArg)
if err != nil { if err != nil {
if version.IsSandboxedMacOS() {
return errors.New("the GUI version of Tailscale on macOS runs in a macOS sandbox that can't read files")
}
return err return err
} }
defer f.Close() defer f.Close()