diff options
Diffstat (limited to 'tpl/internal/go_templates/testenv/testenv_notwin.go')
| -rw-r--r-- | tpl/internal/go_templates/testenv/testenv_notwin.go | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/tpl/internal/go_templates/testenv/testenv_notwin.go b/tpl/internal/go_templates/testenv/testenv_notwin.go index 81171fd19..30e159a6e 100644 --- a/tpl/internal/go_templates/testenv/testenv_notwin.go +++ b/tpl/internal/go_templates/testenv/testenv_notwin.go @@ -7,13 +7,39 @@ package testenv import ( + "fmt" + "os" + "path/filepath" "runtime" ) func hasSymlink() (ok bool, reason string) { switch runtime.GOOS { - case "android", "plan9": + case "plan9": return false, "" + case "android", "wasip1": + // For wasip1, some runtimes forbid absolute symlinks, + // or symlinks that escape the current working directory. + // Perform a simple test to see whether the runtime + // supports symlinks or not. If we get a permission + // error, the runtime does not support symlinks. + dir, err := os.MkdirTemp("", "") + if err != nil { + return false, "" + } + defer func() { + _ = os.RemoveAll(dir) + }() + fpath := filepath.Join(dir, "testfile.txt") + if err := os.WriteFile(fpath, nil, 0644); err != nil { + return false, "" + } + if err := os.Symlink(fpath, filepath.Join(dir, "testlink")); err != nil { + if SyscallIsNotSupported(err) { + return false, fmt.Sprintf("symlinks unsupported: %s", err.Error()) + } + return false, "" + } } return true, "" |