Add disk usage

dotfiles/i3/blocks

@@ -48,6 +48,16 @@ interval=10
 interval=10
 LABEL=<span foreground='#f59335'>  </span>
 
+[free_disk_space]
+interval=10
+LABEL=<span foreground='#fec7cd'>  </span>
+DISK=/home/flyingscorpio
+
+[free_disk_space]
+interval=10
+LABEL=<span foreground='#a1d569'>  </span>
+DISK=/run/media/flyingscorpio/Backup
+
 [ccurrency]
 LABEL=test
 command=scripts/ccurrency -f USD

dotfiles/i3/scripts/free_disk_space

@@ -0,0 +1,22 @@
+#!/usr/bin/python3
+
+"""Simple script for i3blocks for disk free space.
+
+Author: flyingscorpio
+"""
+
+import os
+
+
+def get_disk_free_space(disk: str) -> str:
+    """Return available disk space in GiB."""
+
+    stat = os.statvfs(disk)
+    result = stat.f_bavail * stat.f_bsize / 1024 / 1024 / 1024
+
+    return "{0:0.1f}".format(result) + " GiB free"
+
+
+OUTPUT = os.environ['LABEL'] + get_disk_free_space(os.environ["DISK"])
+
+print(OUTPUT)