$ git clone -n https://src.fedoraproject.org/rpms/btrfs-fuse.git /var/lib/mock/f40-build-2283220-55579/root/chroot_tmpdir/scmroot/btrfs-fuse
Cloning into '/var/lib/mock/f40-build-2283220-55579/root/chroot_tmpdir/scmroot/btrfs-fuse'...
$ git fetch origin 0a21d5c84739731fd8c3b5fb9bd1e04862320874:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/btrfs-fuse
 * [new ref]         0a21d5c84739731fd8c3b5fb9bd1e04862320874 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a21d5c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild