$ git clone -n https://gitee.com/ful9/btrfs-progs.git /var/lib/mock/dist-an8.7-build-242966-62522/root/chroot_tmpdir/scmroot/btrfs-progs
Cloning into '/var/lib/mock/dist-an8.7-build-242966-62522/root/chroot_tmpdir/scmroot/btrfs-progs'...
$ git reset --hard 7f6dd8d1911d86b4816651d8576700d389122cdc
HEAD is now at 7f6dd8d Update to 6.1.2