meta.yml is owned by root causing a "Permission denied" error in write_meta
I get the following at the end of a build:
931+1 records in
931+1 records out
954024 bytes (954 kB, 932 KiB) copied, 0.017054 s, 55.9 MB/s
10+1 records in
10+1 records out
10784 bytes (11 kB, 11 KiB) copied, 0.0070784 s, 1.5 MB/s
Image 'devkit.img has sha256sum 6594a539737d287f4bcd51abe59cec3e5a4575f83756d69e890d947f6a07420e
./build-image: line 79: files/meta.yml: Permission denied
$ ls -l files/meta.yml
-rw-r--r-- 1 root root 14 Jan 4 17:02 files/meta.yml