def projectDir = sample.dir.file(dsl)
        def symlink = GpgCmdFixture.setupGpgCmd(projectDir)

        when:
        inDirectory(projectDir)

        and:
        run "signRuntimeElements"

        then:
        projectDir.file("build/libs/gnupg-signatory-1.0.jar.asc").assertExists()

        cleanup:
        GpgCmdFixture.cleanupGpgCmd(symlink)

        where:
        dsl << ['groovy', 'kotlin']
    }

		if err2 := os.RemoveAll(path); err2 != nil && err == nil {
			err = err2
		}
	}
	return err
}

// Symlink creates a symlink newname -> oldname.
func (sh *Shell) Symlink(oldname, newname string) error {
	// It's not an error to try to recreate an existing symlink.
	if link, err := os.Readlink(newname); err == nil && link == oldname {
		return nil
	}

	if cfg.BuildN || cfg.BuildX {

        then:
        failure.error.contains('ERROR: JAVA_HOME is set to an invalid directory')
    }

    @Requires([UnitTestPreconditions.Symlinks, IntegTestPreconditions.NotEmbeddedExecutor])
    def "fails when java home not set and path does not contain java"() {
        when:
        def links = ['basename', 'dirname', 'uname', 'which', 'sed', 'sh', 'bash']

	if s.msg == "" {
		return "stop"
	}
	return "stop: " + s.msg
}

// Symlink creates a symbolic link.
func Symlink() Cmd {
	return Command(
		CmdUsage{
			Summary: "create a symlink",
			Args:    "path -> target",
			Detail: []string{
				"Creates path as a symlink to target.",
				"The '->' token (like in 'ls -l' output on Unix) is required.",
			},
		},

//sysnb	Setuid(uid int) (err error)
//sys	Stat(path string, stat *Stat_t) (err error)
//sys	Statvfs1(path string, buf *Statvfs_t, flags int) (err error) = SYS_STATVFS1
//sys	Symlink(path string, link string) (err error)
//sys	Symlinkat(oldpath string, newdirfd int, newpath string) (err error)
//sys	Sync() (err error)
//sys	Truncate(path string, length int64) (err error)
//sys	Umask(newmask int) (oldmask int)

func findDiskWWIDs(wwid string, io ioHandler, deviceUtil volumeutil.DeviceUtil) (string, string) {
	// Example wwid format:
	//   3600508b400105e210000900000490000
	//   <VENDOR NAME> <IDENTIFIER NUMBER>
	// Example of symlink under by-id:
	//   /dev/by-id/scsi-3600508b400105e210000900000490000
	//   /dev/by-id/scsi-<VENDOR NAME>_<IDENTIFIER NUMBER>
	// The wwid could contain white space and it will be replaced

@CompileStatic
class UnitTestPreconditions {

    static final class Symlinks implements TestPrecondition {
        @Override
        boolean isSatisfied() {
            return satisfied(MacOs) || satisfied(Linux)
        }
    }

    static final class NoSymlinks implements TestPrecondition {
        @Override
        boolean isSatisfied() {
            return notSatisfied(Symlinks)
        }
    }

        // advantages. (If OpenOptions were passed we can't, because Files.lines doesn't have an
        // overload taking OpenOptions, meaning we can't guarantee the same behavior w.r.t. things
        // like following/not following symlinks.)
        return new AsCharSource(charset) {
          @SuppressWarnings("FilesLinesLeak") // the user needs to close it in this case
          @Override
          public Stream<String> lines() throws IOException {

        when:
        run "copy"
        then:
        file("build/tmp/testchild").mode == mode
        where:
        mode << [0755, 0776]
    }

    @Requires(UnitTestPreconditions.Symlinks)
    def "symlinked file permissions are preserved in copy action"() {
        given:
        def mode = 0746
        def testSourceFile = file(testFileName)
        testSourceFile << "test file content"

=== "Linux, macOS"

    <div class="termy">

    ```console
    $ flit install --deps develop --symlink

    ---> 100%
    ```

    </div>

=== "Windows"

    Si vous êtes sous Windows, utilisez `--pth-file` au lieu de `--symlink` :

    <div class="termy">

    ```console
    $ flit install --deps develop --pth-file

    ---> 100%
    ```