Initial grus version

1 files changed, 37 insertions, 0 deletions

diff --git a/storage/getdir_unix.go b/storage/getdir_unix.go
new file mode 100644
index 0000000..29bedbe
--- /dev/null
+++ b/storage/getdir_unix.go
@@ -0,0 +1,37 @@
+// +build linux netbsd openbsd freebsd dragonfly
+
+package storage
+
+import (
+	"fmt"
+	"os"
+)
+
+// GetDir returns grus data directory. Check if the user has set
+// GRUS_DIR, if not then check if XDG_DATA_HOME is set & if that is
+// not set then assume it to be the default value which is
+// $HOME/.local/share according to XDG Base Directory Specification.
+func GetDir() string {
+	cacheDir := SysDir()
+
+	// Grus cache directory is cacheDir/grus.
+	grusCacheDir := fmt.Sprintf("%s/%s", cacheDir,
+		"grus")
+
+	return grusCacheDir
+}
+
+// SysDir returns the system data directory, this is useful for unveil in
+// OpenBSD.
+func SysDir() string {
+	cacheDir := os.Getenv("GRUS_DIR")
+	if len(cacheDir) == 0 {
+		cacheDir = os.Getenv("XDG_DATA_HOME")
+	}
+	if len(cacheDir) == 0 {
+		cacheDir = fmt.Sprintf("%s/%s/%s", os.Getenv("HOME"),
+			".local", "share")
+	}
+
+	return cacheDir
+}