1 files changed, 33 insertions, 0 deletions
diff --git a/rpi2-debian-stdkernel/format-sdcard.py b/rpi2-debian-stdkernel/format-sdcard.py
new file mode 100755
index 0000000..ea08728
--- /dev/null
+++ b/rpi2-debian-stdkernel/format-sdcard.py
@@ -0,0 +1,33 @@
+#!/usr/bin/python3
+
+import json
+import subprocess
+import sys
+
+def run(*l, **d):
+    print('run:', *l, d)
+    return subprocess.run(*l, **d)
+
+def main():
+    if len(sys.argv) < 2:
+        print('Usage: {} <device>'.format(sys.argv[0]), file=sys.stderr)
+        raise SystemExit(1)
+    device = sys.argv[1]
+    # first, clean possible gpt tables
+    run(['sudo', 'sgdisk', '--zap-all', device])
+    part_commands = '''
+        mklabel msdos
+        mkpart primary fat32 1M    99M
+        mkpart primary ext4  100M  -1M
+        set 1 boot on
+        print
+    '''
+    run(['sudo', 'parted', device],
+        check=True, input=part_commands.encode('utf8'))
+    run(['sudo', 'mkfs.vfat', '-n', 'boot', device + '1', ], check=True)
+    run(['sudo', 'mkfs.ext4', '-q', '-F', '-L', 'root', device + '2'],
+        check=True)
+
+
+if __name__ == '__main__':
+    main()