improve docs

1 files changed, 29 insertions, 0 deletions

diff --git a/cmd/install/root.go b/cmd/install/root.go
new file mode 100644
index 0000000..66e23b3
--- /dev/null
+++ b/cmd/install/root.go
@@ -0,0 +1,29 @@
+package install
+
+import "os"
+
+type root struct{}
+
+func (r root) Install(cmd string, bin string) error {
+	completeLink := getBashCompletionDLink(cmd)
+	err := r.Uninstall(cmd, bin)
+	if err != nil {
+		return err
+	}
+	return os.Symlink(bin, completeLink)
+}
+
+func (root) Uninstall(cmd string, bin string) error {
+	completeLink := getBashCompletionDLink(cmd)
+	if _, err := os.Stat(completeLink); err == nil {
+		err := os.Remove(completeLink)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func getBashCompletionDLink(cmd string) string {
+	return "/etc/bash_completion.d/" + cmd
+}