$ git clone -n https://src.fedoraproject.org/rpms/btrfs-progs.git /var/lib/mock/f33-build-492316-64204/root/chroot_tmpdir/scmroot/btrfs-progs
Cloning into '/var/lib/mock/f33-build-492316-64204/root/chroot_tmpdir/scmroot/btrfs-progs'...
$ git reset --hard 0cca1b99f8a512a2c22acab3a858322427fa194f
HEAD is now at 0cca1b9 New upstream v5.10