[in] creates file 'tag' containing git tag for the release being fetched

in_command.go

@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/ioutil"
 	"net/http"
 	"os"
 	"path/filepath"
@@ -58,6 +59,12 @@ func (c *InCommand) Run(destDir string, request InRequest) (InResponse, error) {
 		return InResponse{}, fmt.Errorf("could not find release with tag: %s", request.Version.Tag)
 	}
 
+	tagPath := filepath.Join(destDir, "tag")
+	err = ioutil.WriteFile(tagPath, []byte(*foundRelease.TagName), 0644)
+	if err != nil {
+		return InResponse{}, err
+	}
+
 	assets, err := c.github.ListReleaseAssets(foundRelease)
 	if err != nil {
 		return InResponse{}, err