improve docs

1 files changed, 43 insertions, 0 deletions

diff --git a/cmd/install/install.go b/cmd/install/install.go
new file mode 100644
index 0000000..cef11f0
--- /dev/null
+++ b/cmd/install/install.go
@@ -0,0 +1,43 @@
+package install
+
+import (
+	"os"
+	"path/filepath"
+)
+
+type installer interface {
+	Install(cmd, bin string) error
+	Uninstall(cmd, bin string) error
+}
+
+func Install(cmd string, asRoot bool) error {
+	bin, err := getBinaryPath()
+	if err != nil {
+		return err
+	}
+	return getInstaller(asRoot).Install(cmd, bin)
+}
+
+func Uninstall(cmd string, asRoot bool) error {
+	bin, err := getBinaryPath()
+	if err != nil {
+		return err
+	}
+	return getInstaller(asRoot).Uninstall(cmd, bin)
+}
+
+func getInstaller(asRoot bool) installer {
+	if asRoot {
+		return root{}
+	} else {
+		return home{}
+	}
+}
+
+func getBinaryPath() (string, error) {
+	bin, err := os.Executable()
+	if err != nil {
+		return "", err
+	}
+	return filepath.Abs(bin)
+}